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-rw-r--r--ChibiOS_20.3.2/os/rt/include/ch.h135
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chalign.h120
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chchecks.h263
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chcond.h116
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chdebug.h169
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chdynamic.h99
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chevents.h291
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chmsg.h212
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chmtx.h168
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chregistry.h185
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chrestrictions.h118
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chschd.h716
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chsem.h200
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chstats.h105
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chsys.h469
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chsystypes.h130
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chthreads.h440
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chtime.h492
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chtm.h109
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chtrace.h256
-rw-r--r--ChibiOS_20.3.2/os/rt/include/chvt.h362
21 files changed, 5155 insertions, 0 deletions
diff --git a/ChibiOS_20.3.2/os/rt/include/ch.h b/ChibiOS_20.3.2/os/rt/include/ch.h
new file mode 100644
index 0000000..200383b
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/ch.h
@@ -0,0 +1,135 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/ch.h
+ * @brief ChibiOS/RT main include file.
+ *
+ * @addtogroup kernel_info
+ * @details This header includes all the required kernel headers so it is the
+ * only kernel header you usually want to include in your application.
+ * @details Kernel related info.
+ * @{
+ */
+
+#ifndef CH_H
+#define CH_H
+
+/**
+ * @brief ChibiOS/RT identification macro.
+ */
+#define _CHIBIOS_RT_
+
+/**
+ * @brief Stable release flag.
+ */
+#define CH_KERNEL_STABLE 1
+
+/**
+ * @name ChibiOS/RT version identification
+ * @{
+ */
+/**
+ * @brief Kernel version string.
+ */
+#define CH_KERNEL_VERSION "6.1.2"
+
+/**
+ * @brief Kernel version major number.
+ */
+#define CH_KERNEL_MAJOR 6
+
+/**
+ * @brief Kernel version minor number.
+ */
+#define CH_KERNEL_MINOR 1
+
+/**
+ * @brief Kernel version patch number.
+ */
+#define CH_KERNEL_PATCH 2
+/** @} */
+
+/**
+ * @name Constants for configuration options
+ */
+/**
+ * @brief Generic 'false' preprocessor boolean constant.
+ * @note It is meant to be used in configuration files as switch.
+ */
+#if !defined(FALSE) || defined(__DOXYGEN__)
+#define FALSE 0
+#endif
+
+/**
+ * @brief Generic 'true' preprocessor boolean constant.
+ * @note It is meant to be used in configuration files as switch.
+ */
+#if !defined(TRUE) || defined(__DOXYGEN__)
+#define TRUE 1
+#endif
+/** @} */
+
+/* Configuration headers, checks and licensing restrictions.*/
+#include "chconf.h"
+#include "chchecks.h"
+#include "chlicense.h"
+#include "chrestrictions.h"
+
+/* Early function prototype required by the following headers.*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void chSysHalt(const char *reason);
+#ifdef __cplusplus
+}
+#endif
+
+/* Base kernel headers.*/
+#include "chtypes.h" /* CHTODO: Rename and rework.*/
+#include "chsystypes.h"
+#include "chdebug.h"
+#include "chtime.h"
+#include "chalign.h"
+#include "chcore.h"
+#include "chtrace.h"
+#include "chtm.h"
+#include "chstats.h"
+#include "chschd.h"
+#include "chsys.h"
+#include "chvt.h"
+#include "chthreads.h"
+
+/* Optional subsystems headers.*/
+#include "chregistry.h"
+#include "chsem.h"
+#include "chmtx.h"
+#include "chcond.h"
+#include "chevents.h"
+#include "chmsg.h"
+
+/* OSLIB.*/
+#include "chlib.h"
+
+/* Headers dependent on the OSLIB.*/
+#include "chdynamic.h"
+
+#endif /* CH_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chalign.h b/ChibiOS_20.3.2/os/rt/include/chalign.h
new file mode 100644
index 0000000..56e5f1c
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chalign.h
@@ -0,0 +1,120 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chalign.h
+ * @brief Memory alignment macros and structures.
+ *
+ * @addtogroup mem
+ * @details Memory Alignment services.
+ * @{
+ */
+
+#ifndef CHALIGN_H
+#define CHALIGN_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @name Memory alignment support macros
+ */
+/**
+ * @brief Alignment mask constant.
+ *
+ * @param[in] a alignment, must be a power of two
+ */
+#define MEM_ALIGN_MASK(a) ((size_t)(a) - 1U)
+
+/**
+ * @brief Aligns to the previous aligned memory address.
+ *
+ * @param[in] p variable to be aligned
+ * @param[in] a alignment, must be a power of two
+ */
+#define MEM_ALIGN_PREV(p, a) \
+ /*lint -save -e9033 [10.8] The cast is safe.*/ \
+ ((size_t)(p) & ~MEM_ALIGN_MASK(a)) \
+ /*lint -restore*/
+
+/**
+ * @brief Aligns to the next aligned memory address.
+ *
+ * @param[in] p variable to be aligned
+ * @param[in] a alignment, must be a power of two
+ */
+#define MEM_ALIGN_NEXT(p, a) \
+ /*lint -save -e9033 [10.8] The cast is safe.*/ \
+ MEM_ALIGN_PREV((size_t)(p) + MEM_ALIGN_MASK(a), (a)) \
+ /*lint -restore*/
+
+/**
+ * @brief Returns whatever a pointer or memory size is aligned.
+ *
+ * @param[in] p variable to be aligned
+ * @param[in] a alignment, must be a power of two
+ */
+#define MEM_IS_ALIGNED(p, a) (((size_t)(p) & MEM_ALIGN_MASK(a)) == 0U)
+
+/**
+ * @brief Returns whatever a constant is a valid alignment.
+ * @details Valid alignments are powers of two.
+ *
+ * @param[in] a alignment to be checked, must be a constant
+ */
+#define MEM_IS_VALID_ALIGNMENT(a) \
+ (((size_t)(a) != 0U) && (((size_t)(a) & ((size_t)(a) - 1U)) == 0U))
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CHALIGN_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chchecks.h b/ChibiOS_20.3.2/os/rt/include/chchecks.h
new file mode 100644
index 0000000..c2d16c0
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chchecks.h
@@ -0,0 +1,263 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chchecks.h
+ * @brief Configuration file checks header.
+ *
+ * @addtogroup conf_checks
+ * @details This module performs a series of checks on configuration data,
+ * it is able to detect and reject obsolete or incomplete
+ * @p chconf.h files.
+ * @{
+ */
+
+#ifndef CHCHECKS_H
+#define CHCHECKS_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/* Configuration file checks.*/
+#if !defined(_CHIBIOS_RT_CONF_)
+#error "invalid configuration file"
+#endif
+
+#if !defined(_CHIBIOS_RT_CONF_VER_6_1_)
+#error "obsolete or unknown configuration file"
+#endif
+
+/* System timers checks.*/
+#if !defined(CH_CFG_ST_RESOLUTION)
+#error "CH_CFG_ST_RESOLUTION not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_ST_FREQUENCY)
+#error "CH_CFG_ST_FREQUENCY not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_INTERVALS_SIZE)
+#error "CH_CFG_INTERVALS_SIZE not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_TIME_TYPES_SIZE)
+#error "CH_CFG_TIME_TYPES_SIZE not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_ST_TIMEDELTA)
+#error "CH_CFG_ST_TIMEDELTA not defined in chconf.h"
+#endif
+
+/* Kernel parameters and options checks.*/
+#if !defined(CH_CFG_TIME_QUANTUM)
+#error "CH_CFG_TIME_QUANTUM not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_MEMCORE_SIZE)
+#error "CH_CFG_MEMCORE_SIZE not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_NO_IDLE_THREAD)
+#error "CH_CFG_NO_IDLE_THREAD not defined in chconf.h"
+#endif
+
+/* Performance options checks.*/
+#if !defined(CH_CFG_OPTIMIZE_SPEED)
+#error "CH_CFG_OPTIMIZE_SPEED not defined in chconf.h"
+#endif
+
+/* Subsystem options checks.*/
+#if !defined(CH_CFG_USE_TM)
+#error "CH_CFG_USE_TM not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_REGISTRY)
+#error "CH_CFG_USE_REGISTRY not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_WAITEXIT)
+#error "CH_CFG_USE_WAITEXIT not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_SEMAPHORES)
+#error "CH_CFG_USE_SEMAPHORES not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_SEMAPHORES_PRIORITY)
+#error "CH_CFG_USE_SEMAPHORES_PRIORITY not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_MUTEXES)
+#error "CH_CFG_USE_MUTEXES not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_MUTEXES_RECURSIVE)
+#error "CH_CFG_USE_MUTEXES_RECURSIVE not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_CONDVARS)
+#error "CH_CFG_USE_CONDVARS not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_CONDVARS_TIMEOUT)
+#error "CH_CFG_USE_CONDVARS_TIMEOUT not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_EVENTS)
+#error "CH_CFG_USE_EVENTS not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_EVENTS_TIMEOUT)
+#error "CH_CFG_USE_EVENTS_TIMEOUT not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_MESSAGES)
+#error "CH_CFG_USE_MESSAGES not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_MESSAGES_PRIORITY)
+#error "CH_CFG_USE_MESSAGES_PRIORITY not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_USE_DYNAMIC)
+#error "CH_CFG_USE_DYNAMIC not defined in chconf.h"
+#endif
+
+/* Debug options checks.*/
+#if !defined(CH_DBG_STATISTICS)
+#error "CH_DBG_STATISTICS not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_SYSTEM_STATE_CHECK)
+#error "CH_DBG_SYSTEM_STATE_CHECK not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_ENABLE_CHECKS)
+#error "CH_DBG_ENABLE_CHECKS not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_ENABLE_ASSERTS)
+#error "CH_DBG_ENABLE_ASSERTS not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_TRACE_MASK)
+#error "CH_DBG_TRACE_MASK not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_TRACE_BUFFER_SIZE)
+#error "CH_DBG_TRACE_BUFFER_SIZE not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_ENABLE_STACK_CHECK)
+#error "CH_DBG_ENABLE_STACK_CHECK not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_FILL_THREADS)
+#error "CH_DBG_FILL_THREADS not defined in chconf.h"
+#endif
+
+#if !defined(CH_DBG_THREADS_PROFILING)
+#error "CH_DBG_THREADS_PROFILING not defined in chconf.h"
+#endif
+
+/* System hooks checks.*/
+#if !defined(CH_CFG_SYSTEM_INIT_HOOK)
+#error "CH_CFG_SYSTEM_INIT_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_SYSTEM_EXTRA_FIELDS)
+#error "CH_CFG_SYSTEM_EXTRA_FIELDS not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_THREAD_EXTRA_FIELDS)
+#error "CH_CFG_THREAD_EXTRA_FIELDS not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_THREAD_INIT_HOOK)
+#error "CH_CFG_THREAD_INIT_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_THREAD_EXIT_HOOK)
+#error "CH_CFG_THREAD_EXIT_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_CONTEXT_SWITCH_HOOK)
+#error "CH_CFG_CONTEXT_SWITCH_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_IRQ_PROLOGUE_HOOK)
+#error "CH_CFG_IRQ_PROLOGUE_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_IRQ_EPILOGUE_HOOK)
+#error "CH_CFG_IRQ_EPILOGUE_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_IDLE_ENTER_HOOK)
+#error "CH_CFG_IDLE_ENTER_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_IDLE_LEAVE_HOOK)
+#error "CH_CFG_IDLE_LEAVE_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_IDLE_LOOP_HOOK)
+#error "CH_CFG_IDLE_LOOP_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_SYSTEM_TICK_HOOK)
+#error "CH_CFG_SYSTEM_TICK_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_SYSTEM_HALT_HOOK)
+#error "CH_CFG_SYSTEM_HALT_HOOK not defined in chconf.h"
+#endif
+
+#if !defined(CH_CFG_TRACE_HOOK)
+#error "CH_CFG_TRACE_HOOK not defined in chconf.h"
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CHCHECKS_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chcond.h b/ChibiOS_20.3.2/os/rt/include/chcond.h
new file mode 100644
index 0000000..b6d7f96
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chcond.h
@@ -0,0 +1,116 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ Concepts and parts of this file have been contributed by Leon Woestenberg.
+ */
+
+/**
+ * @file rt/include/chcond.h
+ * @brief Condition Variables macros and structures.
+ *
+ * @addtogroup condvars
+ * @{
+ */
+
+#ifndef CHCOND_H
+#define CHCOND_H
+
+#if (CH_CFG_USE_CONDVARS == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if CH_CFG_USE_MUTEXES == FALSE
+#error "CH_CFG_USE_CONDVARS requires CH_CFG_USE_MUTEXES"
+#endif
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief condition_variable_t structure.
+ */
+typedef struct condition_variable {
+ threads_queue_t queue; /**< @brief Condition variable
+ threads queue. */
+} condition_variable_t;
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Data part of a static condition variable initializer.
+ * @details This macro should be used when statically initializing a condition
+ * variable that is part of a bigger structure.
+ *
+ * @param[in] name the name of the condition variable
+ */
+#define _CONDVAR_DATA(name) {_THREADS_QUEUE_DATA(name.queue)}
+
+/**
+ * @brief Static condition variable initializer.
+ * @details Statically initialized condition variables require no explicit
+ * initialization using @p chCondInit().
+ *
+ * @param[in] name the name of the condition variable
+ */
+#define CONDVAR_DECL(name) condition_variable_t name = _CONDVAR_DATA(name)
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void chCondObjectInit(condition_variable_t *cp);
+ void chCondSignal(condition_variable_t *cp);
+ void chCondSignalI(condition_variable_t *cp);
+ void chCondBroadcast(condition_variable_t *cp);
+ void chCondBroadcastI(condition_variable_t *cp);
+ msg_t chCondWait(condition_variable_t *cp);
+ msg_t chCondWaitS(condition_variable_t *cp);
+#if CH_CFG_USE_CONDVARS_TIMEOUT == TRUE
+ msg_t chCondWaitTimeout(condition_variable_t *cp, sysinterval_t timeout);
+ msg_t chCondWaitTimeoutS(condition_variable_t *cp, sysinterval_t timeout);
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CH_CFG_USE_CONDVARS == TRUE */
+
+#endif /* CHCOND_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chdebug.h b/ChibiOS_20.3.2/os/rt/include/chdebug.h
new file mode 100644
index 0000000..240d1ca
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chdebug.h
@@ -0,0 +1,169 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chdebug.h
+ * @brief Debug support macros and structures.
+ *
+ * @addtogroup checks_assertions
+ * @{
+ */
+
+#ifndef CHDEBUG_H
+#define CHDEBUG_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Debug related settings
+ * @{
+ */
+/**
+ * @brief Fill value for thread stack area in debug mode.
+ */
+#if !defined(CH_DBG_STACK_FILL_VALUE) || defined(__DOXYGEN__)
+#define CH_DBG_STACK_FILL_VALUE 0x55
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+#if CH_DBG_SYSTEM_STATE_CHECK == TRUE
+#define _dbg_enter_lock() (ch.dbg.lock_cnt = (cnt_t)1)
+#define _dbg_leave_lock() (ch.dbg.lock_cnt = (cnt_t)0)
+#endif
+
+/* When the state checker feature is disabled then the following functions
+ are replaced by an empty macro.*/
+#if CH_DBG_SYSTEM_STATE_CHECK == FALSE
+#define _dbg_enter_lock()
+#define _dbg_leave_lock()
+#define _dbg_check_disable()
+#define _dbg_check_suspend()
+#define _dbg_check_enable()
+#define _dbg_check_lock()
+#define _dbg_check_unlock()
+#define _dbg_check_lock_from_isr()
+#define _dbg_check_unlock_from_isr()
+#define _dbg_check_enter_isr()
+#define _dbg_check_leave_isr()
+#define chDbgCheckClassI()
+#define chDbgCheckClassS()
+#endif
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Function parameters check.
+ * @details If the condition check fails then the kernel panics and halts.
+ * @note The condition is tested only if the @p CH_DBG_ENABLE_CHECKS switch
+ * is specified in @p chconf.h else the macro does nothing.
+ *
+ * @param[in] c the condition to be verified to be true
+ *
+ * @api
+ */
+#if !defined(chDbgCheck)
+#define chDbgCheck(c) do { \
+ /*lint -save -e506 -e774 [2.1, 14.3] Can be a constant by design.*/ \
+ if (CH_DBG_ENABLE_CHECKS != FALSE) { \
+ if (!(c)) { \
+ /*lint -restore*/ \
+ chSysHalt(__func__); \
+ } \
+ } \
+} while (false)
+#endif /* !defined(chDbgCheck) */
+
+/**
+ * @brief Condition assertion.
+ * @details If the condition check fails then the kernel panics with a
+ * message and halts.
+ * @note The condition is tested only if the @p CH_DBG_ENABLE_ASSERTS switch
+ * is specified in @p chconf.h else the macro does nothing.
+ * @note The remark string is not currently used except for putting a
+ * comment in the code about the assertion.
+ *
+ * @param[in] c the condition to be verified to be true
+ * @param[in] r a remark string
+ *
+ * @api
+ */
+#if !defined(chDbgAssert)
+#define chDbgAssert(c, r) do { \
+ /*lint -save -e506 -e774 [2.1, 14.3] Can be a constant by design.*/ \
+ if (CH_DBG_ENABLE_ASSERTS != FALSE) { \
+ if (!(c)) { \
+ /*lint -restore*/ \
+ chSysHalt(__func__); \
+ } \
+ } \
+} while (false)
+#endif /* !defined(chDbgAssert) */
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#if CH_DBG_SYSTEM_STATE_CHECK == TRUE
+ void _dbg_check_disable(void);
+ void _dbg_check_suspend(void);
+ void _dbg_check_enable(void);
+ void _dbg_check_lock(void);
+ void _dbg_check_unlock(void);
+ void _dbg_check_lock_from_isr(void);
+ void _dbg_check_unlock_from_isr(void);
+ void _dbg_check_enter_isr(void);
+ void _dbg_check_leave_isr(void);
+ void chDbgCheckClassI(void);
+ void chDbgCheckClassS(void);
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CHDEBUG_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chdynamic.h b/ChibiOS_20.3.2/os/rt/include/chdynamic.h
new file mode 100644
index 0000000..6f44c40
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chdynamic.h
@@ -0,0 +1,99 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chdynamic.h
+ * @brief Dynamic threads macros and structures.
+ *
+ * @addtogroup dynamic_threads
+ * @{
+ */
+
+#ifndef CHDYNAMIC_H
+#define CHDYNAMIC_H
+
+#if (CH_CFG_USE_DYNAMIC == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Module dependencies check.
+ */
+#if CH_CFG_USE_WAITEXIT == FALSE
+#error "CH_CFG_USE_DYNAMIC requires CH_CFG_USE_WAITEXIT"
+#endif
+
+#if CH_CFG_USE_REGISTRY == FALSE
+#error "CH_CFG_USE_DYNAMIC requires CH_CFG_USE_REGISTRY"
+#endif
+
+#if (CH_CFG_USE_HEAP == FALSE) && (CH_CFG_USE_MEMPOOLS == FALSE)
+#error "CH_CFG_USE_DYNAMIC requires CH_CFG_USE_HEAP and/or CH_CFG_USE_MEMPOOLS"
+#endif
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/*
+ * Dynamic threads APIs.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+#if CH_CFG_USE_HEAP == TRUE
+ thread_t *chThdCreateFromHeap(memory_heap_t *heapp, size_t size,
+ const char *name, tprio_t prio,
+ tfunc_t pf, void *arg);
+#endif
+#if CH_CFG_USE_MEMPOOLS == TRUE
+ thread_t *chThdCreateFromMemoryPool(memory_pool_t *mp, const char *name,
+ tprio_t prio, tfunc_t pf, void *arg);
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CH_CFG_USE_DYNAMIC == TRUE */
+
+#endif /* CHDYNAMIC_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chevents.h b/ChibiOS_20.3.2/os/rt/include/chevents.h
new file mode 100644
index 0000000..c81d51e
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chevents.h
@@ -0,0 +1,291 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ Concepts and parts of this file have been contributed by Scott (skute).
+ */
+
+/**
+ * @file rt/include/chevents.h
+ * @brief Events macros and structures.
+ *
+ * @addtogroup events
+ * @{
+ */
+
+#ifndef CHEVENTS_H
+#define CHEVENTS_H
+
+#if (CH_CFG_USE_EVENTS == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+typedef struct event_listener event_listener_t;
+
+/**
+ * @brief Event Listener structure.
+ */
+struct event_listener {
+ event_listener_t *next; /**< @brief Next Event Listener
+ registered on the event
+ source. */
+ thread_t *listener; /**< @brief Thread interested in the
+ event source. */
+ eventmask_t events; /**< @brief Events to be set in
+ the listening thread. */
+ eventflags_t flags; /**< @brief Flags added to the listener
+ by the event source. */
+ eventflags_t wflags; /**< @brief Flags that this listener
+ interested in. */
+};
+
+/**
+ * @brief Event Source structure.
+ */
+typedef struct event_source {
+ event_listener_t *next; /**< @brief First Event Listener
+ registered on the Event
+ Source. */
+} event_source_t;
+
+/**
+ * @brief Event Handler callback function.
+ */
+typedef void (*evhandler_t)(eventid_t id);
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief All events allowed mask.
+ */
+#define ALL_EVENTS ((eventmask_t)-1)
+
+/**
+ * @brief Returns an event mask from an event identifier.
+ */
+#define EVENT_MASK(eid) ((eventmask_t)1 << (eventmask_t)(eid))
+
+/**
+ * @brief Data part of a static event source initializer.
+ * @details This macro should be used when statically initializing an event
+ * source that is part of a bigger structure.
+ * @param name the name of the event source variable
+ */
+#define _EVENTSOURCE_DATA(name) {(event_listener_t *)(&name)}
+
+/**
+ * @brief Static event source initializer.
+ * @details Statically initialized event sources require no explicit
+ * initialization using @p chEvtInit().
+ *
+ * @param name the name of the event source variable
+ */
+#define EVENTSOURCE_DECL(name) event_source_t name = _EVENTSOURCE_DATA(name)
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void chEvtRegisterMaskWithFlags(event_source_t *esp,
+ event_listener_t *elp,
+ eventmask_t events,
+ eventflags_t wflags);
+ void chEvtUnregister(event_source_t *esp, event_listener_t *elp);
+ eventmask_t chEvtGetAndClearEventsI(eventmask_t events);
+ eventmask_t chEvtGetAndClearEvents(eventmask_t events);
+ eventmask_t chEvtAddEvents(eventmask_t events);
+ eventflags_t chEvtGetAndClearFlags(event_listener_t *elp);
+ eventflags_t chEvtGetAndClearFlagsI(event_listener_t *elp);
+ void chEvtSignal(thread_t *tp, eventmask_t events);
+ void chEvtSignalI(thread_t *tp, eventmask_t events);
+ void chEvtBroadcastFlags(event_source_t *esp, eventflags_t flags);
+ void chEvtBroadcastFlagsI(event_source_t *esp, eventflags_t flags);
+ void chEvtDispatch(const evhandler_t *handlers, eventmask_t events);
+#if (CH_CFG_OPTIMIZE_SPEED == TRUE) || (CH_CFG_USE_EVENTS_TIMEOUT == FALSE)
+ eventmask_t chEvtWaitOne(eventmask_t events);
+ eventmask_t chEvtWaitAny(eventmask_t events);
+ eventmask_t chEvtWaitAll(eventmask_t events);
+#endif
+#if CH_CFG_USE_EVENTS_TIMEOUT == TRUE
+ eventmask_t chEvtWaitOneTimeout(eventmask_t events, sysinterval_t timeout);
+ eventmask_t chEvtWaitAnyTimeout(eventmask_t events, sysinterval_t timeout);
+ eventmask_t chEvtWaitAllTimeout(eventmask_t events, sysinterval_t timeout);
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#if (CH_CFG_OPTIMIZE_SPEED == FALSE) && (CH_CFG_USE_EVENTS_TIMEOUT == TRUE)
+#define chEvtWaitOne(mask) chEvtWaitOneTimeout(mask, TIME_INFINITE)
+#define chEvtWaitAny(mask) chEvtWaitAnyTimeout(mask, TIME_INFINITE)
+#define chEvtWaitAll(mask) chEvtWaitAllTimeout(mask, TIME_INFINITE)
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes an Event Source.
+ * @note This function can be invoked before the kernel is initialized
+ * because it just prepares a @p event_source_t structure.
+ *
+ * @param[in] esp pointer to the @p event_source_t structure
+ *
+ * @init
+ */
+static inline void chEvtObjectInit(event_source_t *esp) {
+
+ esp->next = (event_listener_t *)esp;
+}
+
+/**
+ * @brief Registers an Event Listener on an Event Source.
+ * @details Once a thread has registered as listener on an event source it
+ * will be notified of all events broadcasted there.
+ * @note Multiple Event Listeners can specify the same bits to be ORed to
+ * different threads.
+ *
+ * @param[in] esp pointer to the @p event_source_t structure
+ * @param[out] elp pointer to the @p event_listener_t structure
+ * @param[in] events the mask of events to be ORed to the thread when
+ * the event source is broadcasted
+ *
+ * @api
+ */
+static inline void chEvtRegisterMask(event_source_t *esp,
+ event_listener_t *elp,
+ eventmask_t events) {
+
+ chEvtRegisterMaskWithFlags(esp, elp, events, (eventflags_t)-1);
+}
+
+/**
+ * @brief Registers an Event Listener on an Event Source.
+ * @note Multiple Event Listeners can use the same event identifier, the
+ * listener will share the callback function.
+ *
+ * @param[in] esp pointer to the @p event_source_t structure
+ * @param[out] elp pointer to the @p event_listener_t structure
+ * @param[in] event numeric identifier assigned to the Event Listener.
+ * The value must range between zero and the size, in bit,
+ * of the @p eventmask_t type minus one.
+ *
+ * @api
+ */
+static inline void chEvtRegister(event_source_t *esp,
+ event_listener_t *elp,
+ eventid_t event) {
+
+ chEvtRegisterMask(esp, elp, EVENT_MASK(event));
+}
+
+/**
+ * @brief Verifies if there is at least one @p event_listener_t registered.
+ *
+ * @param[in] esp pointer to the @p event_source_t structure
+ * @return The event source status.
+ *
+ * @iclass
+ */
+static inline bool chEvtIsListeningI(event_source_t *esp) {
+
+ return (bool)(esp != (event_source_t *)esp->next);
+}
+
+/**
+ * @brief Signals all the Event Listeners registered on the specified Event
+ * Source.
+ *
+ * @param[in] esp pointer to the @p event_source_t structure
+ *
+ * @api
+ */
+static inline void chEvtBroadcast(event_source_t *esp) {
+
+ chEvtBroadcastFlags(esp, (eventflags_t)0);
+}
+
+/**
+ * @brief Signals all the Event Listeners registered on the specified Event
+ * Source.
+ * @post This function does not reschedule so a call to a rescheduling
+ * function must be performed before unlocking the kernel. Note that
+ * interrupt handlers always reschedule on exit so an explicit
+ * reschedule must not be performed in ISRs.
+ *
+ * @param[in] esp pointer to the @p event_source_t structure
+ *
+ * @iclass
+ */
+static inline void chEvtBroadcastI(event_source_t *esp) {
+
+ chEvtBroadcastFlagsI(esp, (eventflags_t)0);
+}
+
+/**
+ * @brief Adds (OR) a set of events to the current thread, this is
+ * @b much faster than using @p chEvtBroadcast() or @p chEvtSignal().
+ *
+ * @param[in] events the events to be added
+ * @return The mask of currently pending events.
+ *
+ * @iclass
+ */
+static inline eventmask_t chEvtAddEventsI(eventmask_t events) {
+
+ return currp->epending |= events;
+}
+
+/**
+ * @brief Returns the events mask.
+ * @details The pending events mask is returned but not altered in any way.
+ *
+ * @return The pending events mask.
+ *
+ * @api
+ */
+static inline eventmask_t chEvtGetEventsX(void) {
+
+ return currp->epending;
+}
+
+#endif /* CH_CFG_USE_EVENTS == TRUE */
+
+#endif /* CHEVENTS_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chmsg.h b/ChibiOS_20.3.2/os/rt/include/chmsg.h
new file mode 100644
index 0000000..6bd110a
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chmsg.h
@@ -0,0 +1,212 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chmsg.h
+ * @brief Messages macros and structures.
+ *
+ * @addtogroup messages
+ * @{
+ */
+
+#ifndef CHMSG_H
+#define CHMSG_H
+
+#if (CH_CFG_USE_MESSAGES == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ msg_t chMsgSend(thread_t *tp, msg_t msg);
+ thread_t *chMsgWaitS(void);
+ thread_t *chMsgWaitTimeoutS(sysinterval_t timeout);
+ thread_t *chMsgPollS(void);
+ void chMsgRelease(thread_t *tp, msg_t msg);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/**
+ * @brief Suspends the thread and waits for an incoming message.
+ * @post After receiving a message the function @p chMsgGet() must be
+ * called in order to retrieve the message and then @p chMsgRelease()
+ * must be invoked in order to acknowledge the reception and send
+ * the answer.
+ * @note If the message is a pointer then you can assume that the data
+ * pointed by the message is stable until you invoke @p chMsgRelease()
+ * because the sending thread is suspended until then.
+ * @note The reference counter of the sender thread is not increased, the
+ * returned pointer is a temporary reference.
+ *
+ * @return A pointer to the thread carrying the message.
+ *
+ * @api
+ */
+static inline thread_t *chMsgWait(void) {
+ thread_t *tp;
+
+ chSysLock();
+ tp = chMsgWaitS();
+ chSysUnlock();
+
+ return tp;
+}
+
+/**
+ * @brief Suspends the thread and waits for an incoming message or a
+ * timeout to occur.
+ * @post After receiving a message the function @p chMsgGet() must be
+ * called in order to retrieve the message and then @p chMsgRelease()
+ * must be invoked in order to acknowledge the reception and send
+ * the answer.
+ * @note If the message is a pointer then you can assume that the data
+ * pointed by the message is stable until you invoke @p chMsgRelease()
+ * because the sending thread is suspended until then.
+ * @note The reference counter of the sender thread is not increased, the
+ * returned pointer is a temporary reference.
+ *
+ * @param[in] timeout the number of ticks before the operation timeouts,
+ * the following special values are allowed:
+ * - @a TIME_IMMEDIATE immediate timeout.
+ * - @a TIME_INFINITE no timeout.
+ * .
+ * @return A pointer to the thread carrying the message.
+ * @retval NULL if a timeout occurred.
+ *
+ * @api
+ */
+static inline thread_t *chMsgWaitTimeout(sysinterval_t timeout) {
+ thread_t *tp;
+
+ chSysLock();
+ tp = chMsgWaitTimeoutS(timeout);
+ chSysUnlock();
+
+ return tp;
+}
+
+/**
+ * @brief Poll to check for an incoming message.
+ * @post If a message is available the function @p chMsgGet() must be
+ * called in order to retrieve the message and then @p chMsgRelease()
+ * must be invoked in order to acknowledge the reception and send
+ * the answer.
+ * @note If the message is a pointer then you can assume that the data
+ * pointed by the message is stable until you invoke @p chMsgRelease()
+ * because the sending thread is suspended until then.
+ * @note The reference counter of the sender thread is not increased, the
+ * returned pointer is a temporary reference.
+ *
+ * @return A pointer to the thread carrying the message.
+ * @retval NULL if no incoming message waiting.
+ *
+ * @api
+ */
+static inline thread_t *chMsgPoll(void) {
+ thread_t *tp;
+
+ chSysLock();
+ tp = chMsgPollS();
+ chSysUnlock();
+
+ return tp;
+}
+
+/**
+ * @brief Evaluates to @p true if the thread has pending messages.
+ *
+ * @param[in] tp pointer to the thread
+ * @return The pending messages status.
+ *
+ * @iclass
+ */
+static inline bool chMsgIsPendingI(thread_t *tp) {
+
+ chDbgCheckClassI();
+
+ return (bool)(tp->msgqueue.next != (thread_t *)&tp->msgqueue);
+}
+
+/**
+ * @brief Returns the message carried by the specified thread.
+ * @pre This function must be invoked immediately after exiting a call
+ * to @p chMsgWait().
+ *
+ * @param[in] tp pointer to the thread
+ * @return The message carried by the sender.
+ *
+ * @api
+ */
+static inline msg_t chMsgGet(thread_t *tp) {
+
+ chDbgAssert(tp->state == CH_STATE_SNDMSG, "invalid state");
+
+ return tp->u.sentmsg;
+}
+
+/**
+ * @brief Releases the thread waiting on top of the messages queue.
+ * @pre Invoke this function only after a message has been received
+ * using @p chMsgWait().
+ *
+ * @param[in] tp pointer to the thread
+ * @param[in] msg message to be returned to the sender
+ *
+ * @sclass
+ */
+static inline void chMsgReleaseS(thread_t *tp, msg_t msg) {
+
+ chDbgCheckClassS();
+
+ chSchWakeupS(tp, msg);
+}
+
+#endif /* CH_CFG_USE_MESSAGES == TRUE */
+
+#endif /* CHMSG_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chmtx.h b/ChibiOS_20.3.2/os/rt/include/chmtx.h
new file mode 100644
index 0000000..6fa17f7
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chmtx.h
@@ -0,0 +1,168 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chmtx.h
+ * @brief Mutexes macros and structures.
+ *
+ * @addtogroup mutexes
+ * @{
+ */
+
+#ifndef CHMTX_H
+#define CHMTX_H
+
+#if (CH_CFG_USE_MUTEXES == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of a mutex structure.
+ */
+typedef struct ch_mutex mutex_t;
+
+/**
+ * @brief Mutex structure.
+ */
+struct ch_mutex {
+ threads_queue_t queue; /**< @brief Queue of the threads sleeping
+ on this mutex. */
+ thread_t *owner; /**< @brief Owner @p thread_t pointer or
+ @p NULL. */
+ mutex_t *next; /**< @brief Next @p mutex_t into an
+ owner-list or @p NULL. */
+#if (CH_CFG_USE_MUTEXES_RECURSIVE == TRUE) || defined(__DOXYGEN__)
+ cnt_t cnt; /**< @brief Mutex recursion counter. */
+#endif
+};
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Data part of a static mutex initializer.
+ * @details This macro should be used when statically initializing a mutex
+ * that is part of a bigger structure.
+ *
+ * @param[in] name the name of the mutex variable
+ */
+#if (CH_CFG_USE_MUTEXES_RECURSIVE == TRUE) || defined(__DOXYGEN__)
+#define _MUTEX_DATA(name) {_THREADS_QUEUE_DATA(name.queue), NULL, NULL, 0}
+#else
+#define _MUTEX_DATA(name) {_THREADS_QUEUE_DATA(name.queue), NULL, NULL}
+#endif
+
+/**
+ * @brief Static mutex initializer.
+ * @details Statically initialized mutexes require no explicit initialization
+ * using @p chMtxInit().
+ *
+ * @param[in] name the name of the mutex variable
+ */
+#define MUTEX_DECL(name) mutex_t name = _MUTEX_DATA(name)
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void chMtxObjectInit(mutex_t *mp);
+ void chMtxLock(mutex_t *mp);
+ void chMtxLockS(mutex_t *mp);
+ bool chMtxTryLock(mutex_t *mp);
+ bool chMtxTryLockS(mutex_t *mp);
+ void chMtxUnlock(mutex_t *mp);
+ void chMtxUnlockS(mutex_t *mp);
+ void chMtxUnlockAll(void);
+ void chMtxUnlockAllS(void);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Returns @p true if the mutex queue contains at least a waiting
+ * thread.
+ *
+ * @param[out] mp pointer to a @p mutex_t structure
+ * @return The mutex queue status.
+ *
+ * @sclass
+ */
+static inline bool chMtxQueueNotEmptyS(mutex_t *mp) {
+
+ chDbgCheckClassS();
+
+ return queue_notempty(&mp->queue);
+}
+
+/**
+ * @brief Returns the mutex owner thread.
+ *
+ * @param[out] mp pointer to a @p mutex_t structure
+ * @return The owner thread.
+ * @retval NULL if the mutex is not owned.
+ *
+ * @iclass
+ */
+static inline thread_t *chMtxGetOwnerI(mutex_t *mp) {
+
+ chDbgCheckClassI();
+
+ return mp->owner;
+}
+
+/**
+ * @brief Returns the next mutex in the mutexes stack of the current thread.
+ *
+ * @return A pointer to the next mutex in the stack.
+ * @retval NULL if the stack is empty.
+ *
+ * @xclass
+ */
+static inline mutex_t *chMtxGetNextMutexX(void) {
+
+ return chThdGetSelfX()->mtxlist;
+}
+
+#endif /* CH_CFG_USE_MUTEXES == TRUE */
+
+#endif /* CHMTX_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chregistry.h b/ChibiOS_20.3.2/os/rt/include/chregistry.h
new file mode 100644
index 0000000..4c36fe7
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chregistry.h
@@ -0,0 +1,185 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chregistry.h
+ * @brief Threads registry macros and structures.
+ *
+ * @addtogroup registry
+ * @{
+ */
+
+#ifndef CHREGISTRY_H
+#define CHREGISTRY_H
+
+#if (CH_CFG_USE_REGISTRY == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief ChibiOS/RT memory signature record.
+ */
+typedef struct {
+ char identifier[4]; /**< @brief Always set to "main". */
+ uint8_t zero; /**< @brief Must be zero. */
+ uint8_t size; /**< @brief Size of this structure. */
+ uint16_t version; /**< @brief Encoded ChibiOS/RT version. */
+ uint8_t ptrsize; /**< @brief Size of a pointer. */
+ uint8_t timesize; /**< @brief Size of a @p systime_t. */
+ uint8_t threadsize; /**< @brief Size of a @p thread_t. */
+ uint8_t off_prio; /**< @brief Offset of @p prio field. */
+ uint8_t off_ctx; /**< @brief Offset of @p ctx field. */
+ uint8_t off_newer; /**< @brief Offset of @p newer field. */
+ uint8_t off_older; /**< @brief Offset of @p older field. */
+ uint8_t off_name; /**< @brief Offset of @p name field. */
+ uint8_t off_stklimit; /**< @brief Offset of @p stklimit field.*/
+ uint8_t off_state; /**< @brief Offset of @p state field. */
+ uint8_t off_flags; /**< @brief Offset of @p flags field. */
+ uint8_t off_refs; /**< @brief Offset of @p refs field. */
+ uint8_t off_preempt; /**< @brief Offset of @p preempt field. */
+ uint8_t off_time; /**< @brief Offset of @p time field. */
+} chdebug_t;
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Removes a thread from the registry list.
+ * @note This macro is not meant for use in application code.
+ *
+ * @param[in] tp thread to remove from the registry
+ */
+#define REG_REMOVE(tp) { \
+ (tp)->older->newer = (tp)->newer; \
+ (tp)->newer->older = (tp)->older; \
+}
+
+/**
+ * @brief Adds a thread to the registry list.
+ * @note This macro is not meant for use in application code.
+ *
+ * @param[in] tp thread to add to the registry
+ */
+#define REG_INSERT(tp) { \
+ (tp)->newer = (thread_t *)&ch.rlist; \
+ (tp)->older = ch.rlist.older; \
+ (tp)->older->newer = (tp); \
+ ch.rlist.older = (tp); \
+}
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ extern ROMCONST chdebug_t ch_debug;
+ thread_t *chRegFirstThread(void);
+ thread_t *chRegNextThread(thread_t *tp);
+ thread_t *chRegFindThreadByName(const char *name);
+ thread_t *chRegFindThreadByPointer(thread_t *tp);
+ thread_t *chRegFindThreadByWorkingArea(stkalign_t *wa);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CH_CFG_USE_REGISTRY == TRUE */
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Sets the current thread name.
+ * @pre This function only stores the pointer to the name if the option
+ * @p CH_CFG_USE_REGISTRY is enabled else no action is performed.
+ *
+ * @param[in] name thread name as a zero terminated string
+ *
+ * @api
+ */
+static inline void chRegSetThreadName(const char *name) {
+
+#if CH_CFG_USE_REGISTRY == TRUE
+ ch.rlist.current->name = name;
+#else
+ (void)name;
+#endif
+}
+
+/**
+ * @brief Returns the name of the specified thread.
+ * @pre This function only returns the pointer to the name if the option
+ * @p CH_CFG_USE_REGISTRY is enabled else @p NULL is returned.
+ *
+ * @param[in] tp pointer to the thread
+ *
+ * @return Thread name as a zero terminated string.
+ * @retval NULL if the thread name has not been set.
+ *
+ */
+static inline const char *chRegGetThreadNameX(thread_t *tp) {
+
+#if CH_CFG_USE_REGISTRY == TRUE
+ return tp->name;
+#else
+ (void)tp;
+ return NULL;
+#endif
+}
+
+/**
+ * @brief Changes the name of the specified thread.
+ * @pre This function only stores the pointer to the name if the option
+ * @p CH_CFG_USE_REGISTRY is enabled else no action is performed.
+ *
+ * @param[in] tp pointer to the thread
+ * @param[in] name thread name as a zero terminated string
+ *
+ * @xclass
+ */
+static inline void chRegSetThreadNameX(thread_t *tp, const char *name) {
+
+#if CH_CFG_USE_REGISTRY == TRUE
+ tp->name = name;
+#else
+ (void)tp;
+ (void)name;
+#endif
+}
+
+#endif /* CHREGISTRY_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chrestrictions.h b/ChibiOS_20.3.2/os/rt/include/chrestrictions.h
new file mode 100644
index 0000000..7c1840f
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chrestrictions.h
@@ -0,0 +1,118 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chrestrictions.h
+ * @brief Licensing restrictions header.
+ *
+ * @addtogroup rt_restrictions
+ * @details This module is responsible for applying license-related
+ * restrictions to the configuration options.
+ * @{
+ */
+
+#ifndef CHRESTRICTIONS_H
+#define CHRESTRICTIONS_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/* License checks.*/
+#if !defined(CH_CUSTOMER_LIC_RT) || !defined(CH_LICENSE_FEATURES)
+#error "malformed chlicense.h"
+#endif
+
+#if CH_CUSTOMER_LIC_RT == FALSE
+#error "ChibiOS/RT not licensed"
+#endif
+
+#if (CH_LICENSE_FEATURES != CH_FEATURES_FULL) && \
+ (CH_LICENSE_FEATURES != CH_FEATURES_INTERMEDIATE) && \
+ (CH_LICENSE_FEATURES != CH_FEATURES_BASIC)
+#error "invalid CH_LICENSE_FEATURES setting"
+#endif
+
+/* Restrictions in basic and intermediate modes.*/
+#if (CH_LICENSE_FEATURES == CH_FEATURES_INTERMEDIATE) || \
+ (CH_LICENSE_FEATURES == CH_FEATURES_BASIC)
+
+/* System tick limited to 1000hz.*/
+#if CH_CFG_ST_FREQUENCY > 1000
+#undef CH_CFG_ST_FREQUENCY
+#define CH_CFG_ST_FREQUENCY 1000
+#endif
+
+/* Restricted subsystems.*/
+#undef CH_DBG_STATISTICS
+#undef CH_DBG_TRACE_MASK
+
+#define CH_DBG_STATISTICS FALSE
+#define CH_DBG_TRACE_MASK CH_DBG_TRACE_MASK_DISABLED
+
+#endif /* (CH_LICENSE_FEATURES == CH_FEATURES_INTERMEDIATE) ||
+ (CH_LICENSE_FEATURES == CH_FEATURES_BASIC) */
+
+/* Restrictions in basic mode.*/
+#if CH_LICENSE_FEATURES == CH_FEATURES_BASIC
+
+/* Tick-Less mode restricted.*/
+#undef CH_CFG_ST_TIMEDELTA
+#define CH_CFG_ST_TIMEDELTA 0
+
+/* Restricted subsystems.*/
+#undef CH_CFG_USE_TM
+#undef CH_CFG_USE_MUTEXES
+#undef CH_CFG_USE_CONDVARS
+#undef CH_CFG_USE_DYNAMIC
+
+#define CH_CFG_USE_TM FALSE
+#define CH_CFG_USE_MUTEXES FALSE
+#define CH_CFG_USE_CONDVARS FALSE
+#define CH_CFG_USE_DYNAMIC FALSE
+
+#endif /* CH_LICENSE_FEATURES == CH_FEATURES_BASIC */
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CHRESTRICTIONS_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chschd.h b/ChibiOS_20.3.2/os/rt/include/chschd.h
new file mode 100644
index 0000000..edff108
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chschd.h
@@ -0,0 +1,716 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chschd.h
+ * @brief Scheduler macros and structures.
+ *
+ * @addtogroup scheduler
+ * @{
+ */
+
+#ifndef CHSCHD_H
+#define CHSCHD_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/**
+ * @name Wakeup status codes
+ * @{
+ */
+#define MSG_OK (msg_t)0 /**< @brief Normal wakeup message. */
+#define MSG_TIMEOUT (msg_t)-1 /**< @brief Wakeup caused by a timeout
+ condition. */
+#define MSG_RESET (msg_t)-2 /**< @brief Wakeup caused by a reset
+ condition. */
+/** @} */
+
+/**
+ * @name Priority constants
+ * @{
+ */
+#define NOPRIO (tprio_t)0 /**< @brief Ready list header
+ priority. */
+#define IDLEPRIO (tprio_t)1 /**< @brief Idle priority. */
+#define LOWPRIO (tprio_t)2 /**< @brief Lowest priority. */
+#define NORMALPRIO (tprio_t)128 /**< @brief Normal priority. */
+#define HIGHPRIO (tprio_t)255 /**< @brief Highest priority. */
+/** @} */
+
+/**
+ * @name Thread states
+ * @{
+ */
+#define CH_STATE_READY (tstate_t)0 /**< @brief Waiting on the
+ ready list. */
+#define CH_STATE_CURRENT (tstate_t)1 /**< @brief Currently running. */
+#define CH_STATE_WTSTART (tstate_t)2 /**< @brief Just created. */
+#define CH_STATE_SUSPENDED (tstate_t)3 /**< @brief Suspended state. */
+#define CH_STATE_QUEUED (tstate_t)4 /**< @brief On a queue. */
+#define CH_STATE_WTSEM (tstate_t)5 /**< @brief On a semaphore. */
+#define CH_STATE_WTMTX (tstate_t)6 /**< @brief On a mutex. */
+#define CH_STATE_WTCOND (tstate_t)7 /**< @brief On a cond.variable.*/
+#define CH_STATE_SLEEPING (tstate_t)8 /**< @brief Sleeping. */
+#define CH_STATE_WTEXIT (tstate_t)9 /**< @brief Waiting a thread. */
+#define CH_STATE_WTOREVT (tstate_t)10 /**< @brief One event. */
+#define CH_STATE_WTANDEVT (tstate_t)11 /**< @brief Several events. */
+#define CH_STATE_SNDMSGQ (tstate_t)12 /**< @brief Sending a message,
+ in queue. */
+#define CH_STATE_SNDMSG (tstate_t)13 /**< @brief Sent a message,
+ waiting answer. */
+#define CH_STATE_WTMSG (tstate_t)14 /**< @brief Waiting for a
+ message. */
+#define CH_STATE_FINAL (tstate_t)15 /**< @brief Thread terminated. */
+
+/**
+ * @brief Thread states as array of strings.
+ * @details Each element in an array initialized with this macro can be
+ * indexed using the numeric thread state values.
+ */
+#define CH_STATE_NAMES \
+ "READY", "CURRENT", "WTSTART", "SUSPENDED", "QUEUED", "WTSEM", "WTMTX", \
+ "WTCOND", "SLEEPING", "WTEXIT", "WTOREVT", "WTANDEVT", "SNDMSGQ", \
+ "SNDMSG", "WTMSG", "FINAL"
+/** @} */
+
+/**
+ * @name Thread flags and attributes
+ * @{
+ */
+#define CH_FLAG_MODE_MASK (tmode_t)3U /**< @brief Thread memory mode
+ mask. */
+#define CH_FLAG_MODE_STATIC (tmode_t)0U /**< @brief Static thread. */
+#define CH_FLAG_MODE_HEAP (tmode_t)1U /**< @brief Thread allocated
+ from a Memory Heap. */
+#define CH_FLAG_MODE_MPOOL (tmode_t)2U /**< @brief Thread allocated
+ from a Memory Pool. */
+#define CH_FLAG_TERMINATE (tmode_t)4U /**< @brief Termination requested
+ flag. */
+/** @} */
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Generic threads single link list, it works like a stack.
+ */
+struct ch_threads_list {
+ thread_t *next; /**< @brief Next in the list/queue. */
+};
+
+/**
+ * @brief Generic threads bidirectional linked list header and element.
+ */
+struct ch_threads_queue {
+ thread_t *next; /**< @brief Next in the list/queue. */
+ thread_t *prev; /**< @brief Previous in the queue. */
+};
+
+/**
+ * @brief Structure representing a thread.
+ * @note Not all the listed fields are always needed, by switching off some
+ * not needed ChibiOS/RT subsystems it is possible to save RAM space
+ * by shrinking this structure.
+ */
+struct ch_thread {
+ threads_queue_t queue; /**< @brief Threads queue header. */
+ tprio_t prio; /**< @brief Thread priority. */
+ struct port_context ctx; /**< @brief Processor context. */
+#if (CH_CFG_USE_REGISTRY == TRUE) || defined(__DOXYGEN__)
+ thread_t *newer; /**< @brief Newer registry element. */
+ thread_t *older; /**< @brief Older registry element. */
+#endif
+ /* End of the fields shared with the ReadyList structure. */
+#if (CH_CFG_USE_REGISTRY == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Thread name or @p NULL.
+ */
+ const char *name;
+#endif
+#if (CH_DBG_ENABLE_STACK_CHECK == TRUE) || (CH_CFG_USE_DYNAMIC == TRUE) || \
+ defined(__DOXYGEN__)
+ /**
+ * @brief Working area base address.
+ * @note This pointer is used for stack overflow checks and for
+ * dynamic threading.
+ */
+ stkalign_t *wabase;
+#endif
+ /**
+ * @brief Current thread state.
+ */
+ tstate_t state;
+ /**
+ * @brief Various thread flags.
+ */
+ tmode_t flags;
+#if (CH_CFG_USE_REGISTRY == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief References to this thread.
+ */
+ trefs_t refs;
+#endif
+ /**
+ * @brief Number of ticks remaining to this thread.
+ */
+#if (CH_CFG_TIME_QUANTUM > 0) || defined(__DOXYGEN__)
+ tslices_t ticks;
+#endif
+#if (CH_DBG_THREADS_PROFILING == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Thread consumed time in ticks.
+ * @note This field can overflow.
+ */
+ volatile systime_t time;
+#endif
+ /**
+ * @brief State-specific fields.
+ * @note All the fields declared in this union are only valid in the
+ * specified state or condition and are thus volatile.
+ */
+ union {
+ /**
+ * @brief Thread wakeup code.
+ * @note This field contains the low level message sent to the thread
+ * by the waking thread or interrupt handler. The value is valid
+ * after exiting the @p chSchWakeupS() function.
+ */
+ msg_t rdymsg;
+ /**
+ * @brief Thread exit code.
+ * @note The thread termination code is stored in this field in order
+ * to be retrieved by the thread performing a @p chThdWait() on
+ * this thread.
+ */
+ msg_t exitcode;
+ /**
+ * @brief Pointer to a generic "wait" object.
+ * @note This field is used to get a generic pointer to a synchronization
+ * object and is valid when the thread is in one of the wait
+ * states.
+ */
+ void *wtobjp;
+ /**
+ * @brief Pointer to a generic thread reference object.
+ * @note This field is used to get a pointer to a synchronization
+ * object and is valid when the thread is in @p CH_STATE_SUSPENDED
+ * state.
+ */
+ thread_reference_t *wttrp;
+#if (CH_CFG_USE_MESSAGES == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Thread sent message.
+ */
+ msg_t sentmsg;
+#endif
+#if (CH_CFG_USE_SEMAPHORES == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Pointer to a generic semaphore object.
+ * @note This field is used to get a pointer to a synchronization
+ * object and is valid when the thread is in @p CH_STATE_WTSEM
+ * state.
+ */
+ struct ch_semaphore *wtsemp;
+#endif
+#if (CH_CFG_USE_MUTEXES == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Pointer to a generic mutex object.
+ * @note This field is used to get a pointer to a synchronization
+ * object and is valid when the thread is in @p CH_STATE_WTMTX
+ * state.
+ */
+ struct ch_mutex *wtmtxp;
+#endif
+#if (CH_CFG_USE_EVENTS == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Enabled events mask.
+ * @note This field is only valid while the thread is in the
+ * @p CH_STATE_WTOREVT or @p CH_STATE_WTANDEVT states.
+ */
+ eventmask_t ewmask;
+#endif
+ } u;
+#if (CH_CFG_USE_WAITEXIT == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Termination waiting list.
+ */
+ threads_list_t waiting;
+#endif
+#if (CH_CFG_USE_MESSAGES == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Messages queue.
+ */
+ threads_queue_t msgqueue;
+#endif
+#if (CH_CFG_USE_EVENTS == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Pending events mask.
+ */
+ eventmask_t epending;
+#endif
+#if (CH_CFG_USE_MUTEXES == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief List of the mutexes owned by this thread.
+ * @note The list is terminated by a @p NULL in this field.
+ */
+ struct ch_mutex *mtxlist;
+ /**
+ * @brief Thread's own, non-inherited, priority.
+ */
+ tprio_t realprio;
+#endif
+#if ((CH_CFG_USE_DYNAMIC == TRUE) && (CH_CFG_USE_MEMPOOLS == TRUE)) || \
+ defined(__DOXYGEN__)
+ /**
+ * @brief Memory Pool where the thread workspace is returned.
+ */
+ void *mpool;
+#endif
+#if (CH_DBG_STATISTICS == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Thread statistics.
+ */
+ time_measurement_t stats;
+#endif
+#if defined(CH_CFG_THREAD_EXTRA_FIELDS)
+ /* Extra fields defined in chconf.h.*/
+ CH_CFG_THREAD_EXTRA_FIELDS
+#endif
+};
+
+/**
+ * @extends virtual_timers_list_t
+ *
+ * @brief Virtual Timer descriptor structure.
+ */
+struct ch_virtual_timer {
+ virtual_timer_t *next; /**< @brief Next timer in the list. */
+ virtual_timer_t *prev; /**< @brief Previous timer in the list. */
+ sysinterval_t delta; /**< @brief Time delta before timeout. */
+ vtfunc_t func; /**< @brief Timer callback function
+ pointer. */
+ void *par; /**< @brief Timer callback function
+ parameter. */
+};
+
+/**
+ * @brief Virtual timers list header.
+ * @note The timers list is implemented as a double link bidirectional list
+ * in order to make the unlink time constant, the reset of a virtual
+ * timer is often used in the code.
+ */
+struct ch_virtual_timers_list {
+ virtual_timer_t *next; /**< @brief Next timer in the delta
+ list. */
+ virtual_timer_t *prev; /**< @brief Last timer in the delta
+ list. */
+ sysinterval_t delta; /**< @brief Must be initialized to -1. */
+#if (CH_CFG_ST_TIMEDELTA == 0) || defined(__DOXYGEN__)
+ volatile systime_t systime; /**< @brief System Time counter. */
+#endif
+#if (CH_CFG_ST_TIMEDELTA > 0) || defined(__DOXYGEN__)
+ /**
+ * @brief System time of the last tick event.
+ */
+ systime_t lasttime; /**< @brief System time of the last
+ tick event. */
+#endif
+};
+
+/**
+ * @extends threads_queue_t
+ */
+struct ch_ready_list {
+ threads_queue_t queue; /**< @brief Threads queue. */
+ tprio_t prio; /**< @brief This field must be
+ initialized to zero. */
+ struct port_context ctx; /**< @brief Not used, present because
+ offsets. */
+#if (CH_CFG_USE_REGISTRY == TRUE) || defined(__DOXYGEN__)
+ thread_t *newer; /**< @brief Newer registry element. */
+ thread_t *older; /**< @brief Older registry element. */
+#endif
+ /* End of the fields shared with the thread_t structure.*/
+ thread_t *current; /**< @brief The currently running
+ thread. */
+};
+
+/**
+ * @brief System debug data structure.
+ */
+struct ch_system_debug {
+ /**
+ * @brief Pointer to the panic message.
+ * @details This pointer is meant to be accessed through the debugger, it is
+ * written once and then the system is halted.
+ * @note Accesses to this pointer must never be optimized out so the
+ * field itself is declared volatile.
+ */
+ const char * volatile panic_msg;
+#if (CH_DBG_SYSTEM_STATE_CHECK == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief ISR nesting level.
+ */
+ cnt_t isr_cnt;
+ /**
+ * @brief Lock nesting level.
+ */
+ cnt_t lock_cnt;
+#endif
+#if (CH_DBG_TRACE_MASK != CH_DBG_TRACE_MASK_DISABLED) || defined(__DOXYGEN__)
+ /**
+ * @brief Public trace buffer.
+ */
+ ch_trace_buffer_t trace_buffer;
+#endif
+};
+
+/**
+ * @brief System data structure.
+ * @note This structure contain all the data areas used by the OS except
+ * stacks.
+ */
+struct ch_system {
+ /**
+ * @brief Ready list header.
+ */
+ ready_list_t rlist;
+ /**
+ * @brief Virtual timers delta list header.
+ */
+ virtual_timers_list_t vtlist;
+ /**
+ * @brief System debug.
+ */
+ system_debug_t dbg;
+ /**
+ * @brief Main thread descriptor.
+ */
+ thread_t mainthread;
+#if (CH_CFG_USE_TM == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Time measurement calibration data.
+ */
+ tm_calibration_t tm;
+#endif
+#if (CH_DBG_STATISTICS == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Global kernel statistics.
+ */
+ kernel_stats_t kernel_stats;
+#endif
+ CH_CFG_SYSTEM_EXTRA_FIELDS
+};
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Returns the priority of the first thread on the given ready list.
+ *
+ * @notapi
+ */
+#define firstprio(rlp) ((rlp)->next->prio)
+
+/**
+ * @brief Current thread pointer access macro.
+ * @note This macro is not meant to be used in the application code but
+ * only from within the kernel, use @p chThdGetSelfX() instead.
+ */
+#define currp ch.rlist.current
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern ch_system_t ch;
+#endif
+
+/*
+ * Scheduler APIs.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void _scheduler_init(void);
+ thread_t *chSchReadyI(thread_t *tp);
+ thread_t *chSchReadyAheadI(thread_t *tp);
+ void chSchGoSleepS(tstate_t newstate);
+ msg_t chSchGoSleepTimeoutS(tstate_t newstate, sysinterval_t timeout);
+ void chSchWakeupS(thread_t *ntp, msg_t msg);
+ void chSchRescheduleS(void);
+ bool chSchIsPreemptionRequired(void);
+ void chSchDoRescheduleBehind(void);
+ void chSchDoRescheduleAhead(void);
+ void chSchDoReschedule(void);
+#if CH_CFG_OPTIMIZE_SPEED == FALSE
+ void queue_prio_insert(thread_t *tp, threads_queue_t *tqp);
+ void queue_insert(thread_t *tp, threads_queue_t *tqp);
+ thread_t *queue_fifo_remove(threads_queue_t *tqp);
+ thread_t *queue_lifo_remove(threads_queue_t *tqp);
+ thread_t *queue_dequeue(thread_t *tp);
+ void list_insert(thread_t *tp, threads_list_t *tlp);
+ thread_t *list_remove(threads_list_t *tlp);
+#endif /* CH_CFG_OPTIMIZE_SPEED == FALSE */
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Threads list initialization.
+ *
+ * @param[in] tlp pointer to the threads list object
+ *
+ * @notapi
+ */
+static inline void list_init(threads_list_t *tlp) {
+
+ tlp->next = (thread_t *)tlp;
+}
+
+/**
+ * @brief Evaluates to @p true if the specified threads list is empty.
+ *
+ * @param[in] tlp pointer to the threads list object
+ * @return The status of the list.
+ *
+ * @notapi
+ */
+static inline bool list_isempty(threads_list_t *tlp) {
+
+ return (bool)(tlp->next == (thread_t *)tlp);
+}
+
+/**
+ * @brief Evaluates to @p true if the specified threads list is not empty.
+ *
+ * @param[in] tlp pointer to the threads list object
+ * @return The status of the list.
+ *
+ * @notapi
+ */
+static inline bool list_notempty(threads_list_t *tlp) {
+
+ return (bool)(tlp->next != (thread_t *)tlp);
+}
+
+/**
+ * @brief Threads queue initialization.
+ *
+ * @param[in] tqp pointer to the threads queue object
+ *
+ * @notapi
+ */
+static inline void queue_init(threads_queue_t *tqp) {
+
+ tqp->next = (thread_t *)tqp;
+ tqp->prev = (thread_t *)tqp;
+}
+
+/**
+ * @brief Evaluates to @p true if the specified threads queue is empty.
+ *
+ * @param[in] tqp pointer to the threads queue object
+ * @return The status of the queue.
+ *
+ * @notapi
+ */
+static inline bool queue_isempty(const threads_queue_t *tqp) {
+
+ return (bool)(tqp->next == (const thread_t *)tqp);
+}
+
+/**
+ * @brief Evaluates to @p true if the specified threads queue is not empty.
+ *
+ * @param[in] tqp pointer to the threads queue object
+ * @return The status of the queue.
+ *
+ * @notapi
+ */
+static inline bool queue_notempty(const threads_queue_t *tqp) {
+
+ return (bool)(tqp->next != (const thread_t *)tqp);
+}
+
+/* If the performance code path has been chosen then all the following
+ functions are inlined into the various kernel modules.*/
+#if CH_CFG_OPTIMIZE_SPEED == TRUE
+static inline void list_insert(thread_t *tp, threads_list_t *tlp) {
+
+ tp->queue.next = tlp->next;
+ tlp->next = tp;
+}
+
+static inline thread_t *list_remove(threads_list_t *tlp) {
+
+ thread_t *tp = tlp->next;
+ tlp->next = tp->queue.next;
+
+ return tp;
+}
+
+static inline void queue_prio_insert(thread_t *tp, threads_queue_t *tqp) {
+
+ thread_t *cp = (thread_t *)tqp;
+ do {
+ cp = cp->queue.next;
+ } while ((cp != (thread_t *)tqp) && (cp->prio >= tp->prio));
+ tp->queue.next = cp;
+ tp->queue.prev = cp->queue.prev;
+ tp->queue.prev->queue.next = tp;
+ cp->queue.prev = tp;
+}
+
+static inline void queue_insert(thread_t *tp, threads_queue_t *tqp) {
+
+ tp->queue.next = (thread_t *)tqp;
+ tp->queue.prev = tqp->prev;
+ tp->queue.prev->queue.next = tp;
+ tqp->prev = tp;
+}
+
+static inline thread_t *queue_fifo_remove(threads_queue_t *tqp) {
+ thread_t *tp = tqp->next;
+
+ tqp->next = tp->queue.next;
+ tqp->next->queue.prev = (thread_t *)tqp;
+
+ return tp;
+}
+
+static inline thread_t *queue_lifo_remove(threads_queue_t *tqp) {
+ thread_t *tp = tqp->prev;
+
+ tqp->prev = tp->queue.prev;
+ tqp->prev->queue.next = (thread_t *)tqp;
+
+ return tp;
+}
+
+static inline thread_t *queue_dequeue(thread_t *tp) {
+
+ tp->queue.prev->queue.next = tp->queue.next;
+ tp->queue.next->queue.prev = tp->queue.prev;
+
+ return tp;
+}
+#endif /* CH_CFG_OPTIMIZE_SPEED == TRUE */
+
+/**
+ * @brief Determines if the current thread must reschedule.
+ * @details This function returns @p true if there is a ready thread with
+ * higher priority.
+ *
+ * @return The priorities situation.
+ * @retval false if rescheduling is not necessary.
+ * @retval true if there is a ready thread at higher priority.
+ *
+ * @iclass
+ */
+static inline bool chSchIsRescRequiredI(void) {
+
+ chDbgCheckClassI();
+
+ return firstprio(&ch.rlist.queue) > currp->prio;
+}
+
+/**
+ * @brief Determines if yielding is possible.
+ * @details This function returns @p true if there is a ready thread with
+ * equal or higher priority.
+ *
+ * @return The priorities situation.
+ * @retval false if yielding is not possible.
+ * @retval true if there is a ready thread at equal or higher priority.
+ *
+ * @sclass
+ */
+static inline bool chSchCanYieldS(void) {
+
+ chDbgCheckClassS();
+
+ return firstprio(&ch.rlist.queue) >= currp->prio;
+}
+
+/**
+ * @brief Yields the time slot.
+ * @details Yields the CPU control to the next thread in the ready list with
+ * equal or higher priority, if any.
+ *
+ * @sclass
+ */
+static inline void chSchDoYieldS(void) {
+
+ chDbgCheckClassS();
+
+ if (chSchCanYieldS()) {
+ chSchDoRescheduleBehind();
+ }
+}
+
+/**
+ * @brief Inline-able preemption code.
+ * @details This is the common preemption code, this function must be invoked
+ * exclusively from the port layer.
+ *
+ * @special
+ */
+static inline void chSchPreemption(void) {
+ tprio_t p1 = firstprio(&ch.rlist.queue);
+ tprio_t p2 = currp->prio;
+
+#if CH_CFG_TIME_QUANTUM > 0
+ if (currp->ticks > (tslices_t)0) {
+ if (p1 > p2) {
+ chSchDoRescheduleAhead();
+ }
+ }
+ else {
+ if (p1 >= p2) {
+ chSchDoRescheduleBehind();
+ }
+ }
+#else /* CH_CFG_TIME_QUANTUM == 0 */
+ if (p1 > p2) {
+ chSchDoRescheduleAhead();
+ }
+#endif /* CH_CFG_TIME_QUANTUM == 0 */
+}
+
+#endif /* CHSCHD_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chsem.h b/ChibiOS_20.3.2/os/rt/include/chsem.h
new file mode 100644
index 0000000..62406ee
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chsem.h
@@ -0,0 +1,200 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chsem.h
+ * @brief Semaphores macros and structures.
+ *
+ * @addtogroup semaphores
+ * @{
+ */
+
+#ifndef CHSEM_H
+#define CHSEM_H
+
+#if (CH_CFG_USE_SEMAPHORES == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Semaphore structure.
+ */
+typedef struct ch_semaphore {
+ threads_queue_t queue; /**< @brief Queue of the threads sleeping
+ on this semaphore. */
+ cnt_t cnt; /**< @brief The semaphore counter. */
+} semaphore_t;
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Data part of a static semaphore initializer.
+ * @details This macro should be used when statically initializing a semaphore
+ * that is part of a bigger structure.
+ *
+ * @param[in] name the name of the semaphore variable
+ * @param[in] n the counter initial value, this value must be
+ * non-negative
+ */
+#define _SEMAPHORE_DATA(name, n) {_THREADS_QUEUE_DATA(name.queue), n}
+
+/**
+ * @brief Static semaphore initializer.
+ * @details Statically initialized semaphores require no explicit
+ * initialization using @p chSemInit().
+ *
+ * @param[in] name the name of the semaphore variable
+ * @param[in] n the counter initial value, this value must be
+ * non-negative
+ */
+#define SEMAPHORE_DECL(name, n) semaphore_t name = _SEMAPHORE_DATA(name, n)
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void chSemObjectInit(semaphore_t *sp, cnt_t n);
+ void chSemResetWithMessage(semaphore_t *sp, cnt_t n, msg_t msg);
+ void chSemResetWithMessageI(semaphore_t *sp, cnt_t n, msg_t msg);
+ msg_t chSemWait(semaphore_t *sp);
+ msg_t chSemWaitS(semaphore_t *sp);
+ msg_t chSemWaitTimeout(semaphore_t *sp, sysinterval_t timeout);
+ msg_t chSemWaitTimeoutS(semaphore_t *sp, sysinterval_t timeout);
+ void chSemSignal(semaphore_t *sp);
+ void chSemSignalI(semaphore_t *sp);
+ void chSemAddCounterI(semaphore_t *sp, cnt_t n);
+ msg_t chSemSignalWait(semaphore_t *sps, semaphore_t *spw);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Performs a reset operation on the semaphore.
+ * @post After invoking this function all the threads waiting on the
+ * semaphore, if any, are released and the semaphore counter is set
+ * to the specified, non negative, value.
+ * @note This function implicitly sends @p MSG_RESET as message.
+ *
+ * @param[in] sp pointer to a @p semaphore_t structure
+ * @param[in] n the new value of the semaphore counter. The value must
+ * be non-negative.
+ *
+ * @api
+ */
+static inline void chSemReset(semaphore_t *sp, cnt_t n) {
+
+ chSemResetWithMessage(sp, n, MSG_RESET);
+}
+
+/**
+ * @brief Performs a reset operation on the semaphore.
+ * @post After invoking this function all the threads waiting on the
+ * semaphore, if any, are released and the semaphore counter is set
+ * to the specified, non negative, value.
+ * @post This function does not reschedule so a call to a rescheduling
+ * function must be performed before unlocking the kernel. Note that
+ * interrupt handlers always reschedule on exit so an explicit
+ * reschedule must not be performed in ISRs.
+ * @note This function implicitly sends @p MSG_RESET as message.
+ *
+ * @param[in] sp pointer to a @p semaphore_t structure
+ * @param[in] n the new value of the semaphore counter. The value must
+ * be non-negative.
+ *
+ * @iclass
+ */
+static inline void chSemResetI(semaphore_t *sp, cnt_t n) {
+
+ chSemResetWithMessageI(sp, n, MSG_RESET);
+}
+
+/**
+ * @brief Decreases the semaphore counter.
+ * @details This macro can be used when the counter is known to be positive.
+ *
+ * @param[in] sp pointer to a @p semaphore_t structure
+ *
+ * @iclass
+ */
+static inline void chSemFastWaitI(semaphore_t *sp) {
+
+ chDbgCheckClassI();
+
+ sp->cnt--;
+}
+
+/**
+ * @brief Increases the semaphore counter.
+ * @details This macro can be used when the counter is known to be not
+ * negative.
+ *
+ * @param[in] sp pointer to a @p semaphore_t structure
+ *
+ * @iclass
+ */
+static inline void chSemFastSignalI(semaphore_t *sp) {
+
+ chDbgCheckClassI();
+
+ sp->cnt++;
+}
+
+/**
+ * @brief Returns the semaphore counter current value.
+ *
+ * @param[in] sp pointer to a @p semaphore_t structure
+ * @return The semaphore counter value.
+ *
+ * @iclass
+ */
+static inline cnt_t chSemGetCounterI(const semaphore_t *sp) {
+
+ chDbgCheckClassI();
+
+ return sp->cnt;
+}
+
+#endif /* CH_CFG_USE_SEMAPHORES == TRUE */
+
+#endif /* CHSEM_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chstats.h b/ChibiOS_20.3.2/os/rt/include/chstats.h
new file mode 100644
index 0000000..7225ea1
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chstats.h
@@ -0,0 +1,105 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chstats.h
+ * @brief Statistics module macros and structures.
+ *
+ * @addtogroup statistics
+ * @{
+ */
+
+#ifndef CHSTATS_H
+#define CHSTATS_H
+
+#if (CH_DBG_STATISTICS == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+#if CH_CFG_USE_TM == FALSE
+#error "CH_DBG_STATISTICS requires CH_CFG_USE_TM"
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of a kernel statistics structure.
+ */
+typedef struct {
+ ucnt_t n_irq; /**< @brief Number of IRQs. */
+ ucnt_t n_ctxswc; /**< @brief Number of context switches. */
+ time_measurement_t m_crit_thd; /**< @brief Measurement of threads
+ critical zones duration. */
+ time_measurement_t m_crit_isr; /**< @brief Measurement of ISRs critical
+ zones duration. */
+} kernel_stats_t;
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void _stats_init(void);
+ void _stats_increase_irq(void);
+ void _stats_ctxswc(thread_t *ntp, thread_t *otp);
+ void _stats_start_measure_crit_thd(void);
+ void _stats_stop_measure_crit_thd(void);
+ void _stats_start_measure_crit_isr(void);
+ void _stats_stop_measure_crit_isr(void);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#else /* CH_DBG_STATISTICS == FALSE */
+
+/* Stub functions for when the statistics module is disabled. */
+#define _stats_increase_irq()
+#define _stats_ctxswc(old, new)
+#define _stats_start_measure_crit_thd()
+#define _stats_stop_measure_crit_thd()
+#define _stats_start_measure_crit_isr()
+#define _stats_stop_measure_crit_isr()
+
+#endif /* CH_DBG_STATISTICS == FALSE */
+
+#endif /* CHSTATS_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chsys.h b/ChibiOS_20.3.2/os/rt/include/chsys.h
new file mode 100644
index 0000000..afd2f36
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chsys.h
@@ -0,0 +1,469 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chsys.h
+ * @brief System related macros and structures.
+ *
+ * @addtogroup system
+ * @{
+ */
+
+#ifndef CHSYS_H
+#define CHSYS_H
+
+/*lint -sem(chSysHalt, r_no)*/
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/**
+ * @name Masks of executable integrity checks.
+ * @{
+ */
+#define CH_INTEGRITY_RLIST 1U
+#define CH_INTEGRITY_VTLIST 2U
+#define CH_INTEGRITY_REGISTRY 4U
+#define CH_INTEGRITY_PORT 8U
+/** @} */
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @name ISRs abstraction macros
+ */
+/**
+ * @brief Priority level validation macro.
+ * @details This macro determines if the passed value is a valid priority
+ * level for the underlying architecture.
+ *
+ * @param[in] prio the priority level
+ * @return Priority range result.
+ * @retval false if the priority is invalid or if the architecture
+ * does not support priorities.
+ * @retval true if the priority is valid.
+ */
+#if defined(PORT_IRQ_IS_VALID_PRIORITY) || defined(__DOXYGEN__)
+#define CH_IRQ_IS_VALID_PRIORITY(prio) \
+ PORT_IRQ_IS_VALID_PRIORITY(prio)
+#else
+#define CH_IRQ_IS_VALID_PRIORITY(prio) false
+#endif
+
+/**
+ * @brief Priority level validation macro.
+ * @details This macro determines if the passed value is a valid priority
+ * level that cannot preempt the kernel critical zone.
+ *
+ * @param[in] prio the priority level
+ * @return Priority range result.
+ * @retval false if the priority is invalid or if the architecture
+ * does not support priorities.
+ * @retval true if the priority is valid.
+ */
+#if defined(PORT_IRQ_IS_VALID_KERNEL_PRIORITY) || defined(__DOXYGEN__)
+#define CH_IRQ_IS_VALID_KERNEL_PRIORITY(prio) \
+ PORT_IRQ_IS_VALID_KERNEL_PRIORITY(prio)
+#else
+#define CH_IRQ_IS_VALID_KERNEL_PRIORITY(prio) false
+#endif
+
+/**
+ * @brief IRQ handler enter code.
+ * @note Usually IRQ handlers functions are also declared naked.
+ * @note On some architectures this macro can be empty.
+ *
+ * @special
+ */
+#define CH_IRQ_PROLOGUE() \
+ PORT_IRQ_PROLOGUE(); \
+ CH_CFG_IRQ_PROLOGUE_HOOK(); \
+ _stats_increase_irq(); \
+ _trace_isr_enter(__func__); \
+ _dbg_check_enter_isr()
+
+/**
+ * @brief IRQ handler exit code.
+ * @note Usually IRQ handlers function are also declared naked.
+ * @note This macro usually performs the final reschedule by using
+ * @p chSchIsPreemptionRequired() and @p chSchDoReschedule().
+ *
+ * @special
+ */
+#define CH_IRQ_EPILOGUE() \
+ _dbg_check_leave_isr(); \
+ _trace_isr_leave(__func__); \
+ CH_CFG_IRQ_EPILOGUE_HOOK(); \
+ PORT_IRQ_EPILOGUE()
+
+/**
+ * @brief Standard normal IRQ handler declaration.
+ * @note @p id can be a function name or a vector number depending on the
+ * port implementation.
+ *
+ * @special
+ */
+#define CH_IRQ_HANDLER(id) PORT_IRQ_HANDLER(id)
+/** @} */
+
+/**
+ * @name Fast ISRs abstraction macros
+ */
+/**
+ * @brief Standard fast IRQ handler declaration.
+ * @note @p id can be a function name or a vector number depending on the
+ * port implementation.
+ * @note Not all architectures support fast interrupts.
+ *
+ * @special
+ */
+#define CH_FAST_IRQ_HANDLER(id) PORT_FAST_IRQ_HANDLER(id)
+/** @} */
+
+/**
+ * @name Time conversion utilities for the realtime counter
+ * @{
+ */
+/**
+ * @brief Seconds to realtime counter.
+ * @details Converts from seconds to realtime counter cycles.
+ * @note The macro assumes that @p freq >= @p 1.
+ *
+ * @param[in] freq clock frequency, in Hz, of the realtime counter
+ * @param[in] sec number of seconds
+ * @return The number of cycles.
+ *
+ * @api
+ */
+#define S2RTC(freq, sec) ((freq) * (sec))
+
+/**
+ * @brief Milliseconds to realtime counter.
+ * @details Converts from milliseconds to realtime counter cycles.
+ * @note The result is rounded upward to the next millisecond boundary.
+ * @note The macro assumes that @p freq >= @p 1000.
+ *
+ * @param[in] freq clock frequency, in Hz, of the realtime counter
+ * @param[in] msec number of milliseconds
+ * @return The number of cycles.
+ *
+ * @api
+ */
+#define MS2RTC(freq, msec) (rtcnt_t)((((freq) + 999UL) / 1000UL) * (msec))
+
+/**
+ * @brief Microseconds to realtime counter.
+ * @details Converts from microseconds to realtime counter cycles.
+ * @note The result is rounded upward to the next microsecond boundary.
+ * @note The macro assumes that @p freq >= @p 1000000.
+ *
+ * @param[in] freq clock frequency, in Hz, of the realtime counter
+ * @param[in] usec number of microseconds
+ * @return The number of cycles.
+ *
+ * @api
+ */
+#define US2RTC(freq, usec) (rtcnt_t)((((freq) + 999999UL) / 1000000UL) * (usec))
+
+/**
+ * @brief Realtime counter cycles to seconds.
+ * @details Converts from realtime counter cycles number to seconds.
+ * @note The result is rounded up to the next second boundary.
+ * @note The macro assumes that @p freq >= @p 1.
+ *
+ * @param[in] freq clock frequency, in Hz, of the realtime counter
+ * @param[in] n number of cycles
+ * @return The number of seconds.
+ *
+ * @api
+ */
+#define RTC2S(freq, n) ((((n) - 1UL) / (freq)) + 1UL)
+
+/**
+ * @brief Realtime counter cycles to milliseconds.
+ * @details Converts from realtime counter cycles number to milliseconds.
+ * @note The result is rounded up to the next millisecond boundary.
+ * @note The macro assumes that @p freq >= @p 1000.
+ *
+ * @param[in] freq clock frequency, in Hz, of the realtime counter
+ * @param[in] n number of cycles
+ * @return The number of milliseconds.
+ *
+ * @api
+ */
+#define RTC2MS(freq, n) ((((n) - 1UL) / ((freq) / 1000UL)) + 1UL)
+
+/**
+ * @brief Realtime counter cycles to microseconds.
+ * @details Converts from realtime counter cycles number to microseconds.
+ * @note The result is rounded up to the next microsecond boundary.
+ * @note The macro assumes that @p freq >= @p 1000000.
+ *
+ * @param[in] freq clock frequency, in Hz, of the realtime counter
+ * @param[in] n number of cycles
+ * @return The number of microseconds.
+ *
+ * @api
+ */
+#define RTC2US(freq, n) ((((n) - 1UL) / ((freq) / 1000000UL)) + 1UL)
+/** @} */
+
+/**
+ * @brief Returns the current value of the system real time counter.
+ * @note This function is only available if the port layer supports the
+ * option @p PORT_SUPPORTS_RT.
+ *
+ * @return The value of the system realtime counter of
+ * type rtcnt_t.
+ *
+ * @xclass
+ */
+#if (PORT_SUPPORTS_RT == TRUE) || defined(__DOXYGEN__)
+#define chSysGetRealtimeCounterX() (rtcnt_t)port_rt_get_counter_value()
+#endif
+
+/**
+ * @brief Performs a context switch.
+ * @note Not a user function, it is meant to be invoked by the scheduler
+ * itself or from within the port layer.
+ *
+ * @param[in] ntp the thread to be switched in
+ * @param[in] otp the thread to be switched out
+ *
+ * @special
+ */
+#define chSysSwitch(ntp, otp) { \
+ \
+ _trace_switch(ntp, otp); \
+ _stats_ctxswc(ntp, otp); \
+ CH_CFG_CONTEXT_SWITCH_HOOK(ntp, otp); \
+ port_switch(ntp, otp); \
+}
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern stkalign_t ch_idle_thread_wa[];
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void chSysInit(void);
+ bool chSysIntegrityCheckI(unsigned testmask);
+ void chSysTimerHandlerI(void);
+ syssts_t chSysGetStatusAndLockX(void);
+ void chSysRestoreStatusX(syssts_t sts);
+#if PORT_SUPPORTS_RT == TRUE
+ bool chSysIsCounterWithinX(rtcnt_t cnt, rtcnt_t start, rtcnt_t end);
+ void chSysPolledDelayX(rtcnt_t cycles);
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Raises the system interrupt priority mask to the maximum level.
+ * @details All the maskable interrupt sources are disabled regardless their
+ * hardware priority.
+ * @note Do not invoke this API from within a kernel lock.
+ *
+ * @special
+ */
+static inline void chSysDisable(void) {
+
+ port_disable();
+ _dbg_check_disable();
+}
+
+/**
+ * @brief Raises the system interrupt priority mask to system level.
+ * @details The interrupt sources that should not be able to preempt the kernel
+ * are disabled, interrupt sources with higher priority are still
+ * enabled.
+ * @note Do not invoke this API from within a kernel lock.
+ * @note This API is no replacement for @p chSysLock(), the @p chSysLock()
+ * could do more than just disable the interrupts.
+ *
+ * @special
+ */
+static inline void chSysSuspend(void) {
+
+ port_suspend();
+ _dbg_check_suspend();
+}
+
+/**
+ * @brief Lowers the system interrupt priority mask to user level.
+ * @details All the interrupt sources are enabled.
+ * @note Do not invoke this API from within a kernel lock.
+ * @note This API is no replacement for @p chSysUnlock(), the
+ * @p chSysUnlock() could do more than just enable the interrupts.
+ *
+ * @special
+ */
+static inline void chSysEnable(void) {
+
+ _dbg_check_enable();
+ port_enable();
+}
+
+/**
+ * @brief Enters the kernel lock state.
+ *
+ * @special
+ */
+static inline void chSysLock(void) {
+
+ port_lock();
+ _stats_start_measure_crit_thd();
+ _dbg_check_lock();
+}
+
+/**
+ * @brief Leaves the kernel lock state.
+ *
+ * @special
+ */
+static inline void chSysUnlock(void) {
+
+ _dbg_check_unlock();
+ _stats_stop_measure_crit_thd();
+
+ /* The following condition can be triggered by the use of i-class functions
+ in a critical section not followed by a chSchRescheduleS(), this means
+ that the current thread has a lower priority than the next thread in
+ the ready list.*/
+ chDbgAssert((ch.rlist.queue.next == (thread_t *)&ch.rlist.queue) ||
+ (ch.rlist.current->prio >= ch.rlist.queue.next->prio),
+ "priority order violation");
+
+ port_unlock();
+}
+
+/**
+ * @brief Enters the kernel lock state from within an interrupt handler.
+ * @note This API may do nothing on some architectures, it is required
+ * because on ports that support preemptable interrupt handlers
+ * it is required to raise the interrupt mask to the same level of
+ * the system mutual exclusion zone.<br>
+ * It is good practice to invoke this API before invoking any I-class
+ * syscall from an interrupt handler.
+ * @note This API must be invoked exclusively from interrupt handlers.
+ *
+ * @special
+ */
+static inline void chSysLockFromISR(void) {
+
+ port_lock_from_isr();
+ _stats_start_measure_crit_isr();
+ _dbg_check_lock_from_isr();
+}
+
+/**
+ * @brief Leaves the kernel lock state from within an interrupt handler.
+ *
+ * @note This API may do nothing on some architectures, it is required
+ * because on ports that support preemptable interrupt handlers
+ * it is required to raise the interrupt mask to the same level of
+ * the system mutual exclusion zone.<br>
+ * It is good practice to invoke this API after invoking any I-class
+ * syscall from an interrupt handler.
+ * @note This API must be invoked exclusively from interrupt handlers.
+ *
+ * @special
+ */
+static inline void chSysUnlockFromISR(void) {
+
+ _dbg_check_unlock_from_isr();
+ _stats_stop_measure_crit_isr();
+ port_unlock_from_isr();
+}
+
+/**
+ * @brief Unconditionally enters the kernel lock state.
+ * @note Can be called without previous knowledge of the current lock state.
+ * The final state is "s-locked".
+ *
+ * @special
+ */
+static inline void chSysUnconditionalLock(void) {
+
+ if (port_irq_enabled(port_get_irq_status())) {
+ chSysLock();
+ }
+}
+
+/**
+ * @brief Unconditionally leaves the kernel lock state.
+ * @note Can be called without previous knowledge of the current lock state.
+ * The final state is "normal".
+ *
+ * @special
+ */
+static inline void chSysUnconditionalUnlock(void) {
+
+ if (!port_irq_enabled(port_get_irq_status())) {
+ chSysUnlock();
+ }
+}
+
+#if (CH_CFG_NO_IDLE_THREAD == FALSE) || defined(__DOXYGEN__)
+/**
+ * @brief Returns a pointer to the idle thread.
+ * @pre In order to use this function the option @p CH_CFG_NO_IDLE_THREAD
+ * must be disabled.
+ * @note The reference counter of the idle thread is not incremented but
+ * it is not strictly required being the idle thread a static
+ * object.
+ *
+ * @return Pointer to the idle thread.
+ *
+ * @xclass
+ */
+static inline thread_t *chSysGetIdleThreadX(void) {
+
+ return ch.rlist.queue.prev;
+}
+#endif /* CH_CFG_NO_IDLE_THREAD == FALSE */
+
+#endif /* CHSYS_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chsystypes.h b/ChibiOS_20.3.2/os/rt/include/chsystypes.h
new file mode 100644
index 0000000..7ca9159
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chsystypes.h
@@ -0,0 +1,130 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chsystypes.h
+ * @brief System types header.
+ *
+ * @addtogroup scheduler
+ * @{
+ */
+
+#ifndef CHSYSTYPES_H
+#define CHSYSTYPES_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @extends threads_queue_t
+ *
+ * @brief Type of a thread structure.
+ */
+typedef struct ch_thread thread_t;
+
+/**
+ * @brief Type of a thread reference.
+ */
+typedef thread_t * thread_reference_t;
+
+/**
+ * @brief Type of a generic threads single link list, it works like a stack.
+ */
+typedef struct ch_threads_list threads_list_t;
+
+/**
+ * @extends threads_list_t
+ *
+ * @brief Type of a generic threads bidirectional linked list header and element.
+ */
+typedef struct ch_threads_queue threads_queue_t;
+
+/**
+ * @extends threads_queue_t
+ *
+ * @brief Type of a ready list header.
+ */
+typedef struct ch_ready_list ready_list_t;
+
+/**
+ * @brief Type of a Virtual Timer callback function.
+ */
+typedef void (*vtfunc_t)(void *p);
+
+/**
+ * @brief Type of a Virtual Timer structure.
+ */
+typedef struct ch_virtual_timer virtual_timer_t;
+
+/**
+ * @brief Type of virtual timers list header.
+ */
+typedef struct ch_virtual_timers_list virtual_timers_list_t;
+
+/**
+ * @brief Type of a system debug structure.
+ */
+typedef struct ch_system_debug system_debug_t;
+
+/**
+ * @brief Type of system data structure.
+ */
+typedef struct ch_system ch_system_t;
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Utility to make the parameter a quoted string.
+ */
+#define __CH_STRINGIFY(a) #a
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CHSYSTYPES_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chthreads.h b/ChibiOS_20.3.2/os/rt/include/chthreads.h
new file mode 100644
index 0000000..74f8952
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chthreads.h
@@ -0,0 +1,440 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chthreads.h
+ * @brief Threads module macros and structures.
+ *
+ * @addtogroup threads
+ * @{
+ */
+
+#ifndef CHTHREADS_H
+#define CHTHREADS_H
+
+/*lint -sem(chThdExit, r_no) -sem(chThdExitS, r_no)*/
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Thread function.
+ */
+typedef void (*tfunc_t)(void *p);
+
+/**
+ * @brief Type of a thread descriptor.
+ */
+typedef struct {
+ /**
+ * @brief Thread name.
+ */
+ const char *name;
+ /**
+ * @brief Pointer to the working area base.
+ */
+ stkalign_t *wbase;
+ /**
+ * @brief End of the working area.
+ */
+ stkalign_t *wend;
+ /**
+ * @brief Thread priority.
+ */
+ tprio_t prio;
+ /**
+ * @brief Thread function pointer.
+ */
+ tfunc_t funcp;
+ /**
+ * @brief Thread argument.
+ */
+ void *arg;
+} thread_descriptor_t;
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @name Threads queues
+ */
+/**
+ * @brief Data part of a static threads queue object initializer.
+ * @details This macro should be used when statically initializing a threads
+ * queue that is part of a bigger structure.
+ *
+ * @param[in] name the name of the threads queue variable
+ */
+#define _THREADS_QUEUE_DATA(name) {(thread_t *)&name, (thread_t *)&name}
+
+/**
+ * @brief Static threads queue object initializer.
+ * @details Statically initialized threads queues require no explicit
+ * initialization using @p queue_init().
+ *
+ * @param[in] name the name of the threads queue variable
+ */
+#define _THREADS_QUEUE_DECL(name) \
+ threads_queue_t name = _THREADS_QUEUE_DATA(name)
+/** @} */
+
+/**
+ * @name Working Areas
+ */
+/**
+ * @brief Calculates the total Working Area size.
+ *
+ * @param[in] n the stack size to be assigned to the thread
+ * @return The total used memory in bytes.
+ *
+ * @api
+ */
+#define THD_WORKING_AREA_SIZE(n) \
+ MEM_ALIGN_NEXT(sizeof(thread_t) + PORT_WA_SIZE(n), PORT_STACK_ALIGN)
+
+/**
+ * @brief Static working area allocation.
+ * @details This macro is used to allocate a static thread working area
+ * aligned as both position and size.
+ *
+ * @param[in] s the name to be assigned to the stack array
+ * @param[in] n the stack size to be assigned to the thread
+ *
+ * @api
+ */
+#define THD_WORKING_AREA(s, n) PORT_WORKING_AREA(s, n)
+
+/**
+ * @brief Base of a working area casted to the correct type.
+ *
+ * @param[in] s name of the working area
+ */
+#define THD_WORKING_AREA_BASE(s) ((stkalign_t *)(s))
+
+/**
+ * @brief End of a working area casted to the correct type.
+ *
+ * @param[in] s name of the working area
+ */
+#define THD_WORKING_AREA_END(s) (THD_WORKING_AREA_BASE(s) + \
+ (sizeof (s) / sizeof (stkalign_t)))
+/** @} */
+
+/**
+ * @name Threads abstraction macros
+ */
+/**
+ * @brief Thread declaration macro.
+ * @note Thread declarations should be performed using this macro because
+ * the port layer could define optimizations for thread functions.
+ */
+#define THD_FUNCTION(tname, arg) PORT_THD_FUNCTION(tname, arg)
+/** @} */
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Delays the invoking thread for the specified number of seconds.
+ * @note The specified time is rounded up to a value allowed by the real
+ * system tick clock.
+ * @note The maximum specifiable value is implementation dependent.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] sec time in seconds, must be different from zero
+ *
+ * @api
+ */
+#define chThdSleepSeconds(sec) chThdSleep(TIME_S2I(sec))
+
+/**
+ * @brief Delays the invoking thread for the specified number of
+ * milliseconds.
+ * @note The specified time is rounded up to a value allowed by the real
+ * system tick clock.
+ * @note The maximum specifiable value is implementation dependent.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] msec time in milliseconds, must be different from zero
+ *
+ * @api
+ */
+#define chThdSleepMilliseconds(msec) chThdSleep(TIME_MS2I(msec))
+
+/**
+ * @brief Delays the invoking thread for the specified number of
+ * microseconds.
+ * @note The specified time is rounded up to a value allowed by the real
+ * system tick clock.
+ * @note The maximum specifiable value is implementation dependent.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] usec time in microseconds, must be different from zero
+ *
+ * @api
+ */
+#define chThdSleepMicroseconds(usec) chThdSleep(TIME_US2I(usec))
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ thread_t *_thread_init(thread_t *tp, const char *name, tprio_t prio);
+#if CH_DBG_FILL_THREADS == TRUE
+ void _thread_memfill(uint8_t *startp, uint8_t *endp, uint8_t v);
+#endif
+ thread_t *chThdCreateSuspendedI(const thread_descriptor_t *tdp);
+ thread_t *chThdCreateSuspended(const thread_descriptor_t *tdp);
+ thread_t *chThdCreateI(const thread_descriptor_t *tdp);
+ thread_t *chThdCreate(const thread_descriptor_t *tdp);
+ thread_t *chThdCreateStatic(void *wsp, size_t size,
+ tprio_t prio, tfunc_t pf, void *arg);
+ thread_t *chThdStart(thread_t *tp);
+#if CH_CFG_USE_REGISTRY == TRUE
+ thread_t *chThdAddRef(thread_t *tp);
+ void chThdRelease(thread_t *tp);
+#endif
+ void chThdExit(msg_t msg);
+ void chThdExitS(msg_t msg);
+#if CH_CFG_USE_WAITEXIT == TRUE
+ msg_t chThdWait(thread_t *tp);
+#endif
+ tprio_t chThdSetPriority(tprio_t newprio);
+ void chThdTerminate(thread_t *tp);
+ msg_t chThdSuspendS(thread_reference_t *trp);
+ msg_t chThdSuspendTimeoutS(thread_reference_t *trp, sysinterval_t timeout);
+ void chThdResumeI(thread_reference_t *trp, msg_t msg);
+ void chThdResumeS(thread_reference_t *trp, msg_t msg);
+ void chThdResume(thread_reference_t *trp, msg_t msg);
+ msg_t chThdEnqueueTimeoutS(threads_queue_t *tqp, sysinterval_t timeout);
+ void chThdDequeueNextI(threads_queue_t *tqp, msg_t msg);
+ void chThdDequeueAllI(threads_queue_t *tqp, msg_t msg);
+ void chThdSleep(sysinterval_t time);
+ void chThdSleepUntil(systime_t time);
+ systime_t chThdSleepUntilWindowed(systime_t prev, systime_t next);
+ void chThdYield(void);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+ /**
+ * @brief Returns a pointer to the current @p thread_t.
+ *
+ * @return A pointer to the current thread.
+ *
+ * @xclass
+ */
+static inline thread_t *chThdGetSelfX(void) {
+
+ return ch.rlist.current;
+}
+
+/**
+ * @brief Returns the current thread priority.
+ * @note Can be invoked in any context.
+ *
+ * @return The current thread priority.
+ *
+ * @xclass
+ */
+static inline tprio_t chThdGetPriorityX(void) {
+
+ return chThdGetSelfX()->prio;
+}
+
+/**
+ * @brief Returns the number of ticks consumed by the specified thread.
+ * @note This function is only available when the
+ * @p CH_DBG_THREADS_PROFILING configuration option is enabled.
+ *
+ * @param[in] tp pointer to the thread
+ * @return The number of consumed system ticks.
+ *
+ * @xclass
+ */
+#if (CH_DBG_THREADS_PROFILING == TRUE) || defined(__DOXYGEN__)
+static inline systime_t chThdGetTicksX(thread_t *tp) {
+
+ return tp->time;
+}
+#endif
+
+#if (CH_DBG_ENABLE_STACK_CHECK == TRUE) || (CH_CFG_USE_DYNAMIC == TRUE) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief Returns the working area base of the specified thread.
+ *
+ * @param[in] tp pointer to the thread
+ * @return The working area base pointer.
+ *
+ * @xclass
+ */
+static inline stkalign_t *chThdGetWorkingAreaX(thread_t *tp) {
+
+ return tp->wabase;
+}
+#endif /* CH_DBG_ENABLE_STACK_CHECK == TRUE */
+
+/**
+ * @brief Verifies if the specified thread is in the @p CH_STATE_FINAL state.
+ *
+ * @param[in] tp pointer to the thread
+ * @retval true thread terminated.
+ * @retval false thread not terminated.
+ *
+ * @xclass
+ */
+static inline bool chThdTerminatedX(thread_t *tp) {
+
+ return (bool)(tp->state == CH_STATE_FINAL);
+}
+
+/**
+ * @brief Verifies if the current thread has a termination request pending.
+ *
+ * @retval true termination request pending.
+ * @retval false termination request not pending.
+ *
+ * @xclass
+ */
+static inline bool chThdShouldTerminateX(void) {
+
+ return (bool)((chThdGetSelfX()->flags & CH_FLAG_TERMINATE) != (tmode_t)0);
+}
+
+/**
+ * @brief Resumes a thread created with @p chThdCreateI().
+ *
+ * @param[in] tp pointer to the thread
+ * @return The pointer to the @p thread_t structure allocated for
+ * the thread into the working space area.
+ *
+ * @iclass
+ */
+static inline thread_t *chThdStartI(thread_t *tp) {
+
+ chDbgAssert(tp->state == CH_STATE_WTSTART, "wrong state");
+
+ return chSchReadyI(tp);
+}
+
+/**
+ * @brief Suspends the invoking thread for the specified number of ticks.
+ *
+ * @param[in] ticks the delay in system ticks, the special values are
+ * handled as follow:
+ * - @a TIME_INFINITE the thread enters an infinite sleep
+ * state.
+ * - @a TIME_IMMEDIATE this value is not allowed.
+ * .
+ *
+ * @sclass
+ */
+static inline void chThdSleepS(sysinterval_t ticks) {
+
+ chDbgCheck(ticks != TIME_IMMEDIATE);
+
+ (void) chSchGoSleepTimeoutS(CH_STATE_SLEEPING, ticks);
+}
+
+/**
+ * @brief Initializes a threads queue object.
+ *
+ * @param[out] tqp pointer to the threads queue object
+ *
+ * @init
+ */
+static inline void chThdQueueObjectInit(threads_queue_t *tqp) {
+
+ queue_init(tqp);
+}
+
+/**
+ * @brief Evaluates to @p true if the specified queue is empty.
+ *
+ * @param[out] tqp pointer to the threads queue object
+ * @return The queue status.
+ * @retval false if the queue is not empty.
+ * @retval true if the queue is empty.
+ *
+ * @iclass
+ */
+static inline bool chThdQueueIsEmptyI(threads_queue_t *tqp) {
+
+ chDbgCheckClassI();
+
+ return queue_isempty(tqp);
+}
+
+/**
+ * @brief Dequeues and wakes up one thread from the threads queue object.
+ * @details Dequeues one thread from the queue without checking if the queue
+ * is empty.
+ * @pre The queue must contain at least an object.
+ *
+ * @param[in] tqp pointer to the threads queue object
+ * @param[in] msg the message code
+ *
+ * @iclass
+ */
+static inline void chThdDoDequeueNextI(threads_queue_t *tqp, msg_t msg) {
+ thread_t *tp;
+
+ chDbgAssert(queue_notempty(tqp), "empty queue");
+
+ tp = queue_fifo_remove(tqp);
+
+ chDbgAssert(tp->state == CH_STATE_QUEUED, "invalid state");
+
+ tp->u.rdymsg = msg;
+ (void) chSchReadyI(tp);
+}
+
+#endif /* CHTHREADS_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chtime.h b/ChibiOS_20.3.2/os/rt/include/chtime.h
new file mode 100644
index 0000000..c6c1de8
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chtime.h
@@ -0,0 +1,492 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chtime.h
+ * @brief Time and intervals macros and structures.
+ *
+ * @addtogroup time_intervals
+ * @details This module is responsible for handling of system time and time
+ * intervals.
+ * @{
+ */
+
+#ifndef CHTIME_H
+#define CHTIME_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/**
+ * @name Special time constants
+ * @{
+ */
+/**
+ * @brief Zero interval specification for some functions with a timeout
+ * specification.
+ * @note Not all functions accept @p TIME_IMMEDIATE as timeout parameter,
+ * see the specific function documentation.
+ */
+#define TIME_IMMEDIATE ((sysinterval_t)0)
+
+/**
+ * @brief Infinite interval specification for all functions with a timeout
+ * specification.
+ * @note Not all functions accept @p TIME_INFINITE as timeout parameter,
+ * see the specific function documentation.
+ */
+#define TIME_INFINITE ((sysinterval_t)-1)
+
+/**
+ * @brief Maximum interval constant usable as timeout.
+ */
+#define TIME_MAX_INTERVAL ((sysinterval_t)-2)
+
+/**
+ * @brief Maximum system of system time before it wraps.
+ */
+#define TIME_MAX_SYSTIME ((systime_t)-1)
+/** @} */
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if (CH_CFG_ST_RESOLUTION != 16) && (CH_CFG_ST_RESOLUTION != 32) && \
+ (CH_CFG_ST_RESOLUTION != 64)
+#error "invalid CH_CFG_ST_RESOLUTION specified, must be 16, 32 or 64"
+#endif
+
+#if CH_CFG_ST_FREQUENCY < 10
+#error "invalid CH_CFG_ST_FREQUENCY specified, must be >= 10"
+#endif
+
+#if (CH_CFG_INTERVALS_SIZE != 16) && (CH_CFG_INTERVALS_SIZE != 32) && \
+ (CH_CFG_INTERVALS_SIZE != 64)
+#error "invalid CH_CFG_INTERVALS_SIZE specified, must be 16, 32 or 64"
+#endif
+
+#if (CH_CFG_TIME_TYPES_SIZE != 16) && (CH_CFG_TIME_TYPES_SIZE != 32)
+#error "invalid CH_CFG_TIME_TYPES_SIZE specified, must be 16 or 32"
+#endif
+
+#if CH_CFG_INTERVALS_SIZE < CH_CFG_ST_RESOLUTION
+#error "CH_CFG_INTERVALS_SIZE must be >= CH_CFG_ST_RESOLUTION"
+#endif
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of system time.
+ * @note It is selectable in configuration between 16, 32 or 64 bits.
+ */
+#if (CH_CFG_ST_RESOLUTION == 64) || defined(__DOXYGEN__)
+typedef uint64_t systime_t;
+#elif CH_CFG_ST_RESOLUTION == 32
+typedef uint32_t systime_t;
+#elif CH_CFG_ST_RESOLUTION == 16
+typedef uint16_t systime_t;
+#endif
+
+/**
+ * @brief Type of time interval.
+ * @note It is selectable in configuration between 16, 32 or 64 bits.
+ */
+#if (CH_CFG_INTERVALS_SIZE == 64) || defined(__DOXYGEN__)
+typedef uint64_t sysinterval_t;
+#elif CH_CFG_INTERVALS_SIZE == 32
+typedef uint32_t sysinterval_t;
+#elif CH_CFG_INTERVALS_SIZE == 16
+typedef uint16_t sysinterval_t;
+#endif
+
+#if (CH_CFG_TIME_TYPES_SIZE == 32) || defined(__DOXYGEN__)
+/**
+ * @brief Type of seconds.
+ * @note It is selectable in configuration between 16 or 32 bits.
+ */
+typedef uint32_t time_secs_t;
+
+/**
+ * @brief Type of milliseconds.
+ * @note It is selectable in configuration between 16 or 32 bits.
+ */
+typedef uint32_t time_msecs_t;
+
+/**
+ * @brief Type of microseconds.
+ * @note It is selectable in configuration between 16 or 32 bits.
+ */
+typedef uint32_t time_usecs_t;
+
+/**
+ * @brief Type of time conversion variable.
+ * @note This type must have double width than other time types, it is
+ * only used internally for conversions.
+ */
+typedef uint64_t time_conv_t;
+
+#else
+typedef uint16_t time_secs_t;
+typedef uint16_t time_msecs_t;
+typedef uint16_t time_usecs_t;
+typedef uint32_t time_conv_t;
+#endif
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @name Fast time conversion utilities
+ * @{
+ */
+/**
+ * @brief Seconds to time interval.
+ * @details Converts from seconds to system ticks number.
+ * @note The result is rounded upward to the next tick boundary.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] secs number of seconds
+ * @return The number of ticks.
+ *
+ * @api
+ */
+#define TIME_S2I(secs) \
+ ((sysinterval_t)((time_conv_t)(secs) * (time_conv_t)CH_CFG_ST_FREQUENCY))
+
+/**
+ * @brief Milliseconds to time interval.
+ * @details Converts from milliseconds to system ticks number.
+ * @note The result is rounded upward to the next tick boundary.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] msecs number of milliseconds
+ * @return The number of ticks.
+ *
+ * @api
+ */
+#define TIME_MS2I(msecs) \
+ ((sysinterval_t)((((time_conv_t)(msecs) * \
+ (time_conv_t)CH_CFG_ST_FREQUENCY) + \
+ (time_conv_t)999) / (time_conv_t)1000))
+
+/**
+ * @brief Microseconds to time interval.
+ * @details Converts from microseconds to system ticks number.
+ * @note The result is rounded upward to the next tick boundary.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] usecs number of microseconds
+ * @return The number of ticks.
+ *
+ * @api
+ */
+#define TIME_US2I(usecs) \
+ ((sysinterval_t)((((time_conv_t)(usecs) * \
+ (time_conv_t)CH_CFG_ST_FREQUENCY) + \
+ (time_conv_t)999999) / (time_conv_t)1000000))
+
+/**
+ * @brief Time interval to seconds.
+ * @details Converts from system ticks number to seconds.
+ * @note The result is rounded up to the next second boundary.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] interval interval in ticks
+ * @return The number of seconds.
+ *
+ * @api
+ */
+#define TIME_I2S(interval) \
+ (time_secs_t)(((time_conv_t)(interval) + \
+ (time_conv_t)CH_CFG_ST_FREQUENCY - \
+ (time_conv_t)1) / (time_conv_t)CH_CFG_ST_FREQUENCY)
+
+/**
+ * @brief Time interval to milliseconds.
+ * @details Converts from system ticks number to milliseconds.
+ * @note The result is rounded up to the next millisecond boundary.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] interval interval in ticks
+ * @return The number of milliseconds.
+ *
+ * @api
+ */
+#define TIME_I2MS(interval) \
+ (time_msecs_t)((((time_conv_t)(interval) * (time_conv_t)1000) + \
+ (time_conv_t)CH_CFG_ST_FREQUENCY - (time_conv_t)1) / \
+ (time_conv_t)CH_CFG_ST_FREQUENCY)
+
+/**
+ * @brief Time interval to microseconds.
+ * @details Converts from system ticks number to microseconds.
+ * @note The result is rounded up to the next microsecond boundary.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
+ *
+ * @param[in] interval interval in ticks
+ * @return The number of microseconds.
+ *
+ * @api
+ */
+#define TIME_I2US(interval) \
+ (time_msecs_t)((((time_conv_t)(interval) * (time_conv_t)1000000) + \
+ (time_conv_t)CH_CFG_ST_FREQUENCY - (time_conv_t)1) / \
+ (time_conv_t)CH_CFG_ST_FREQUENCY)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/*
+ * Virtual Timers APIs.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @name Secure time conversion utilities
+ * @{
+ */
+/**
+ * @brief Seconds to time interval.
+ * @details Converts from seconds to system ticks number.
+ * @note The result is rounded upward to the next tick boundary.
+ *
+ * @param[in] secs number of seconds
+ * @return The number of ticks.
+ *
+ * @special
+ */
+static inline sysinterval_t chTimeS2I(time_secs_t secs) {
+ time_conv_t ticks;
+
+ ticks = (time_conv_t)secs * (time_conv_t)CH_CFG_ST_FREQUENCY;
+
+ chDbgAssert(ticks <= (time_conv_t)TIME_MAX_INTERVAL,
+ "conversion overflow");
+
+ return (sysinterval_t)ticks;
+}
+
+/**
+ * @brief Milliseconds to time interval.
+ * @details Converts from milliseconds to system ticks number.
+ * @note The result is rounded upward to the next tick boundary.
+ *
+ * @param[in] msec number of milliseconds
+ * @return The number of ticks.
+ *
+ * @special
+ */
+static inline sysinterval_t chTimeMS2I(time_msecs_t msec) {
+ time_conv_t ticks;
+
+ ticks = (((time_conv_t)msec * (time_conv_t)CH_CFG_ST_FREQUENCY) +
+ (time_conv_t)999) / (time_conv_t)1000;
+
+ chDbgAssert(ticks <= (time_conv_t)TIME_MAX_INTERVAL,
+ "conversion overflow");
+
+ return (sysinterval_t)ticks;
+}
+
+/**
+ * @brief Microseconds to time interval.
+ * @details Converts from microseconds to system ticks number.
+ * @note The result is rounded upward to the next tick boundary.
+ *
+ * @param[in] usec number of microseconds
+ * @return The number of ticks.
+ *
+ * @special
+ */
+static inline sysinterval_t chTimeUS2I(time_usecs_t usec) {
+ time_conv_t ticks;
+
+ ticks = (((time_conv_t)usec * (time_conv_t)CH_CFG_ST_FREQUENCY) +
+ (time_conv_t)999999) / (time_conv_t)1000000;
+
+ chDbgAssert(ticks <= (time_conv_t)TIME_MAX_INTERVAL,
+ "conversion overflow");
+
+ return (sysinterval_t)ticks;
+}
+
+/**
+ * @brief Time interval to seconds.
+ * @details Converts from system interval to seconds.
+ * @note The result is rounded up to the next second boundary.
+ *
+ * @param[in] interval interval in ticks
+ * @return The number of seconds.
+ *
+ * @special
+ */
+static inline time_secs_t chTimeI2S(sysinterval_t interval) {
+ time_conv_t secs;
+
+ secs = ((time_conv_t)interval +
+ (time_conv_t)CH_CFG_ST_FREQUENCY -
+ (time_conv_t)1) / (time_conv_t)CH_CFG_ST_FREQUENCY;
+
+ chDbgAssert(secs < (time_conv_t)((time_secs_t)-1),
+ "conversion overflow");
+
+ return (time_secs_t)secs;
+}
+
+/**
+ * @brief Time interval to milliseconds.
+ * @details Converts from system interval to milliseconds.
+ * @note The result is rounded up to the next millisecond boundary.
+ *
+ * @param[in] interval interval in ticks
+ * @return The number of milliseconds.
+ *
+ * @special
+ */
+static inline time_msecs_t chTimeI2MS(sysinterval_t interval) {
+ time_conv_t msecs;
+
+ msecs = (((time_conv_t)interval * (time_conv_t)1000) +
+ (time_conv_t)CH_CFG_ST_FREQUENCY - (time_conv_t)1) /
+ (time_conv_t)CH_CFG_ST_FREQUENCY;
+
+ chDbgAssert(msecs < (time_conv_t)((time_msecs_t)-1),
+ "conversion overflow");
+
+ return (time_msecs_t)msecs;
+}
+
+/**
+ * @brief Time interval to microseconds.
+ * @details Converts from system interval to microseconds.
+ * @note The result is rounded up to the next microsecond boundary.
+ *
+ * @param[in] interval interval in ticks
+ * @return The number of microseconds.
+ *
+ * @special
+ */
+static inline time_usecs_t chTimeI2US(sysinterval_t interval) {
+ time_conv_t usecs;
+
+ usecs = (((time_conv_t)interval * (time_conv_t)1000000) +
+ (time_conv_t)CH_CFG_ST_FREQUENCY - (time_conv_t)1) /
+ (time_conv_t)CH_CFG_ST_FREQUENCY;
+
+ chDbgAssert(usecs <= (time_conv_t)((time_usecs_t)-1),
+ "conversion overflow");
+
+ return (time_usecs_t)usecs;
+}
+
+/**
+ * @brief Adds an interval to a system time returning a system time.
+ *
+ * @param[in] systime base system time
+ * @param[in] interval interval to be added
+ * @return The new system time.
+ *
+ * @xclass
+ */
+static inline systime_t chTimeAddX(systime_t systime,
+ sysinterval_t interval) {
+
+#if CH_CFG_ST_RESOLUTION != CH_CFG_INTERVALS_SIZE
+ chDbgCheck(interval <= (sysinterval_t)TIME_MAX_SYSTIME);
+#endif
+
+ return systime + (systime_t)interval;
+}
+
+/**
+ * @brief Subtracts two system times returning an interval.
+ *
+ * @param[in] start first system time
+ * @param[in] end second system time
+ * @return The interval representing the time difference.
+ *
+ * @xclass
+ */
+static inline sysinterval_t chTimeDiffX(systime_t start, systime_t end) {
+
+ /*lint -save -e9033 [10.8] This cast is required by the operation, it is
+ known that the destination type can be wider.*/
+ return (sysinterval_t)((systime_t)(end - start));
+ /*lint -restore*/
+}
+
+/**
+ * @brief Checks if the specified time is within the specified time range.
+ * @note When start==end then the function returns always false because the
+ * time window has zero size.
+ *
+ * @param[in] time the time to be verified
+ * @param[in] start the start of the time window (inclusive)
+ * @param[in] end the end of the time window (non inclusive)
+ * @retval true current time within the specified time window.
+ * @retval false current time not within the specified time window.
+ *
+ * @xclass
+ */
+static inline bool chTimeIsInRangeX(systime_t time,
+ systime_t start,
+ systime_t end) {
+
+ return (bool)((systime_t)((systime_t)time - (systime_t)start) <
+ (systime_t)((systime_t)end - (systime_t)start));
+}
+
+/** @} */
+
+#endif /* CHTIME_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chtm.h b/ChibiOS_20.3.2/os/rt/include/chtm.h
new file mode 100644
index 0000000..f068251
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chtm.h
@@ -0,0 +1,109 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chtm.h
+ * @brief Time Measurement module macros and structures.
+ *
+ * @addtogroup time_measurement
+ * @{
+ */
+
+#ifndef CHTM_H
+#define CHTM_H
+
+#if (CH_CFG_USE_TM == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if PORT_SUPPORTS_RT == FALSE
+#error "CH_CFG_USE_TM requires PORT_SUPPORTS_RT"
+#endif
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of a time measurement calibration data.
+ */
+typedef struct {
+ /**
+ * @brief Measurement calibration value.
+ */
+ rtcnt_t offset;
+} tm_calibration_t;
+
+/**
+ * @brief Type of a Time Measurement object.
+ * @note The maximum measurable time period depends on the implementation
+ * of the realtime counter and its clock frequency.
+ * @note The measurement is not 100% cycle-accurate, it can be in excess
+ * of few cycles depending on the compiler and target architecture.
+ * @note Interrupts can affect measurement if the measurement is performed
+ * with interrupts enabled.
+ */
+typedef struct {
+ rtcnt_t best; /**< @brief Best measurement. */
+ rtcnt_t worst; /**< @brief Worst measurement. */
+ rtcnt_t last; /**< @brief Last measurement. */
+ ucnt_t n; /**< @brief Number of measurements. */
+ rttime_t cumulative; /**< @brief Cumulative measurement. */
+} time_measurement_t;
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void _tm_init(void);
+ void chTMObjectInit(time_measurement_t *tmp);
+ NOINLINE void chTMStartMeasurementX(time_measurement_t *tmp);
+ NOINLINE void chTMStopMeasurementX(time_measurement_t *tmp);
+ NOINLINE void chTMChainMeasurementToX(time_measurement_t *tmp1,
+ time_measurement_t *tmp2);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CH_CFG_USE_TM == TRUE */
+
+#endif /* CHTM_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chtrace.h b/ChibiOS_20.3.2/os/rt/include/chtrace.h
new file mode 100644
index 0000000..c0a58ac
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chtrace.h
@@ -0,0 +1,256 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chtrace.h
+ * @brief Tracer macros and structures.
+ *
+ * @addtogroup trace
+ * @{
+ */
+
+#ifndef CHTRACE_H
+#define CHTRACE_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/**
+ * @name Trace record types
+ * @{
+ */
+#define CH_TRACE_TYPE_UNUSED 0U
+#define CH_TRACE_TYPE_SWITCH 1U
+#define CH_TRACE_TYPE_ISR_ENTER 2U
+#define CH_TRACE_TYPE_ISR_LEAVE 3U
+#define CH_TRACE_TYPE_HALT 4U
+#define CH_TRACE_TYPE_USER 5U
+/** @} */
+
+/**
+ * @name Events to trace
+ * @{
+ */
+#define CH_DBG_TRACE_MASK_DISABLED 255U
+#define CH_DBG_TRACE_MASK_NONE 0U
+#define CH_DBG_TRACE_MASK_SWITCH 1U
+#define CH_DBG_TRACE_MASK_ISR 2U
+#define CH_DBG_TRACE_MASK_HALT 4U
+#define CH_DBG_TRACE_MASK_USER 8U
+#define CH_DBG_TRACE_MASK_SLOW (CH_DBG_TRACE_MASK_SWITCH | \
+ CH_DBG_TRACE_MASK_HALT | \
+ CH_DBG_TRACE_MASK_USER)
+#define CH_DBG_TRACE_MASK_ALL (CH_DBG_TRACE_MASK_SWITCH | \
+ CH_DBG_TRACE_MASK_ISR | \
+ CH_DBG_TRACE_MASK_HALT | \
+ CH_DBG_TRACE_MASK_USER)
+/** @} */
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Debug related settings
+ * @{
+ */
+/**
+ * @brief Trace buffer entries.
+ */
+#if !defined(CH_DBG_TRACE_MASK) || defined(__DOXYGEN__)
+#define CH_DBG_TRACE_MASK CH_DBG_TRACE_MASK_DISABLED
+#endif
+
+/**
+ * @brief Trace buffer entries.
+ * @note The trace buffer is only allocated if @p CH_DBG_TRACE_MASK is
+ * different from @p CH_DBG_TRACE_MASK_DISABLED.
+ */
+#if !defined(CH_DBG_TRACE_BUFFER_SIZE) || defined(__DOXYGEN__)
+#define CH_DBG_TRACE_BUFFER_SIZE 128
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+#if (CH_DBG_TRACE_MASK != CH_DBG_TRACE_MASK_DISABLED) || defined(__DOXYGEN__)
+/*lint -save -e46 [6.1] An uint32_t is required.*/
+/**
+ * @brief Trace buffer record.
+ */
+typedef struct {
+ /**
+ * @brief Record type.
+ */
+ uint32_t type:3;
+ /**
+ * @brief Switched out thread state.
+ */
+ uint32_t state:5;
+ /**
+ * @brief Accurate time stamp.
+ * @note This field only available if the post supports
+ * @p PORT_SUPPORTS_RT else it is set to zero.
+ */
+ uint32_t rtstamp:24;
+ /**
+ * @brief System time stamp of the switch event.
+ */
+ systime_t time;
+ union {
+ /**
+ * @brief Structure representing a context switch.
+ */
+ struct {
+ /**
+ * @brief Switched in thread.
+ */
+ thread_t *ntp;
+ /**
+ * @brief Object where going to sleep.
+ */
+ void *wtobjp;
+ } sw;
+ /**
+ * @brief Structure representing an ISR enter.
+ */
+ struct {
+ /**
+ * @brief ISR function name taken using @p __func__.
+ */
+ const char *name;
+ } isr;
+ /**
+ * @brief Structure representing an halt.
+ */
+ struct {
+ /**
+ * @brief Halt error string.
+ */
+ const char *reason;
+ } halt;
+ /**
+ * @brief User trace structure.
+ */
+ struct {
+ /**
+ * @brief Trace user parameter 1.
+ */
+ void *up1;
+ /**
+ * @brief Trace user parameter 2.
+ */
+ void *up2;
+ } user;
+ } u;
+} ch_trace_event_t;
+/*lint -restore*/
+
+/**
+ * @brief Trace buffer header.
+ */
+typedef struct {
+ /**
+ * @brief Suspended trace sources mask.
+ */
+ uint16_t suspended;
+ /**
+ * @brief Trace buffer size (entries).
+ */
+ uint16_t size;
+ /**
+ * @brief Pointer to the buffer front.
+ */
+ ch_trace_event_t *ptr;
+ /**
+ * @brief Ring buffer.
+ */
+ ch_trace_event_t buffer[CH_DBG_TRACE_BUFFER_SIZE];
+} ch_trace_buffer_t;
+#endif /* CH_DBG_TRACE_MASK != CH_DBG_TRACE_MASK_DISABLED */
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/* When a trace feature is disabled the associated functions are replaced by
+ an empty macro. Note that the macros can be externally redefined in
+ order to interface 3rd parties tracing tools.*/
+#if CH_DBG_TRACE_MASK == CH_DBG_TRACE_MASK_DISABLED
+#if !defined(_trace_init)
+#define _trace_init()
+#endif
+#if !defined(_trace_switch)
+#define _trace_switch(ntp, otp)
+#endif
+#if !defined(_trace_isr_enter)
+#define _trace_isr_enter(isr)
+#endif
+#if !defined(_trace_isr_leave)
+#define _trace_isr_leave(isr)
+#endif
+#if !defined(_trace_halt)
+#define _trace_halt(reason)
+#endif
+#if !defined(chDbgWriteTraceI)
+#define chDbgWriteTraceI(up1, up2)
+#endif
+#if !defined(chDbgWriteTrace)
+#define chDbgWriteTrace(up1, up2)
+#endif
+#endif /* CH_DBG_TRACE_MASK == CH_DBG_TRACE_MASK_DISABLED */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#if (CH_DBG_TRACE_MASK != CH_DBG_TRACE_MASK_DISABLED) || defined(__DOXYGEN__)
+ void _trace_init(void);
+ void _trace_switch(thread_t *ntp, thread_t *otp);
+ void _trace_isr_enter(const char *isr);
+ void _trace_isr_leave(const char *isr);
+ void _trace_halt(const char *reason);
+ void chDbgWriteTraceI(void *up1, void *up2);
+ void chDbgWriteTrace(void *up1, void *up2);
+ void chDbgSuspendTraceI(uint16_t mask);
+ void chDbgSuspendTrace(uint16_t mask);
+ void chDbgResumeTraceI(uint16_t mask);
+ void chDbgResumeTrace(uint16_t mask);
+#endif /* CH_DBG_TRACE_MASK != CH_DBG_TRACE_MASK_DISABLED */
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* CHTRACE_H */
+
+/** @} */
diff --git a/ChibiOS_20.3.2/os/rt/include/chvt.h b/ChibiOS_20.3.2/os/rt/include/chvt.h
new file mode 100644
index 0000000..ed1c512
--- /dev/null
+++ b/ChibiOS_20.3.2/os/rt/include/chvt.h
@@ -0,0 +1,362 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file rt/include/chvt.h
+ * @brief Time and Virtual Timers module macros and structures.
+ *
+ * @addtogroup time
+ * @{
+ */
+
+#ifndef CHVT_H
+#define CHVT_H
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if (CH_CFG_ST_TIMEDELTA < 0) || (CH_CFG_ST_TIMEDELTA == 1)
+#error "invalid CH_CFG_ST_TIMEDELTA specified, must " \
+ "be zero or greater than one"
+#endif
+
+#if (CH_CFG_ST_TIMEDELTA > 0) && (CH_CFG_TIME_QUANTUM > 0)
+#error "CH_CFG_TIME_QUANTUM not supported in tickless mode"
+#endif
+
+#if (CH_CFG_ST_TIMEDELTA > 0) && (CH_DBG_THREADS_PROFILING == TRUE)
+#error "CH_DBG_THREADS_PROFILING not supported in tickless mode"
+#endif
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/*
+ * Virtual Timers APIs.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void _vt_init(void);
+ void chVTDoSetI(virtual_timer_t *vtp, sysinterval_t delay,
+ vtfunc_t vtfunc, void *par);
+ void chVTDoResetI(virtual_timer_t *vtp);
+ void chVTDoTickI(void);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes a @p virtual_timer_t object.
+ * @note Initializing a timer object is not strictly required because
+ * the function @p chVTSetI() initializes the object too. This
+ * function is only useful if you need to perform a @p chVTIsArmed()
+ * check before calling @p chVTSetI().
+ *
+ * @param[out] vtp the @p virtual_timer_t structure pointer
+ *
+ * @init
+ */
+static inline void chVTObjectInit(virtual_timer_t *vtp) {
+
+ vtp->func = NULL;
+}
+
+/**
+ * @brief Current system time.
+ * @details Returns the number of system ticks since the @p chSysInit()
+ * invocation.
+ * @note The counter can reach its maximum and then restart from zero.
+ * @note This function can be called from any context but its atomicity
+ * is not guaranteed on architectures whose word size is less than
+ * @p systime_t size.
+ *
+ * @return The system time in ticks.
+ *
+ * @xclass
+ */
+static inline systime_t chVTGetSystemTimeX(void) {
+
+#if CH_CFG_ST_TIMEDELTA == 0
+ return ch.vtlist.systime;
+#else /* CH_CFG_ST_TIMEDELTA > 0 */
+ return port_timer_get_time();
+#endif /* CH_CFG_ST_TIMEDELTA > 0 */
+}
+
+/**
+ * @brief Current system time.
+ * @details Returns the number of system ticks since the @p chSysInit()
+ * invocation.
+ * @note The counter can reach its maximum and then restart from zero.
+ *
+ * @return The system time in ticks.
+ *
+ * @api
+ */
+static inline systime_t chVTGetSystemTime(void) {
+ systime_t systime;
+
+ chSysLock();
+ systime = chVTGetSystemTimeX();
+ chSysUnlock();
+
+ return systime;
+}
+
+/**
+ * @brief Returns the elapsed time since the specified start time.
+ *
+ * @param[in] start start time
+ * @return The elapsed time.
+ *
+ * @xclass
+ */
+static inline sysinterval_t chVTTimeElapsedSinceX(systime_t start) {
+
+ return chTimeDiffX(start, chVTGetSystemTimeX());
+}
+
+/**
+ * @brief Checks if the current system time is within the specified time
+ * window.
+ * @note When start==end then the function returns always false because the
+ * time window has zero size.
+ *
+ * @param[in] start the start of the time window (inclusive)
+ * @param[in] end the end of the time window (non inclusive)
+ * @retval true current time within the specified time window.
+ * @retval false current time not within the specified time window.
+ *
+ * @xclass
+ */
+static inline bool chVTIsSystemTimeWithinX(systime_t start, systime_t end) {
+
+ return chTimeIsInRangeX(chVTGetSystemTimeX(), start, end);
+}
+
+/**
+ * @brief Checks if the current system time is within the specified time
+ * window.
+ * @note When start==end then the function returns always false because the
+ * time window has zero size.
+ *
+ * @param[in] start the start of the time window (inclusive)
+ * @param[in] end the end of the time window (non inclusive)
+ * @retval true current time within the specified time window.
+ * @retval false current time not within the specified time window.
+ *
+ * @api
+ */
+static inline bool chVTIsSystemTimeWithin(systime_t start, systime_t end) {
+
+ return chTimeIsInRangeX(chVTGetSystemTime(), start, end);
+}
+
+/**
+ * @brief Returns the time interval until the next timer event.
+ * @note The return value is not perfectly accurate and can report values
+ * in excess of @p CH_CFG_ST_TIMEDELTA ticks.
+ * @note The interval returned by this function is only meaningful if
+ * more timers are not added to the list until the returned time.
+ *
+ * @param[out] timep pointer to a variable that will contain the time
+ * interval until the next timer elapses. This pointer
+ * can be @p NULL if the information is not required.
+ * @return The time, in ticks, until next time event.
+ * @retval false if the timers list is empty.
+ * @retval true if the timers list contains at least one timer.
+ *
+ * @iclass
+ */
+static inline bool chVTGetTimersStateI(sysinterval_t *timep) {
+
+ chDbgCheckClassI();
+
+ if (&ch.vtlist == (virtual_timers_list_t *)ch.vtlist.next) {
+ return false;
+ }
+
+ if (timep != NULL) {
+#if CH_CFG_ST_TIMEDELTA == 0
+ *timep = ch.vtlist.next->delta;
+#else
+ *timep = (ch.vtlist.next->delta + (sysinterval_t)CH_CFG_ST_TIMEDELTA) -
+ chTimeDiffX(ch.vtlist.lasttime, chVTGetSystemTimeX());
+#endif
+ }
+
+ return true;
+}
+
+/**
+ * @brief Returns @p true if the specified timer is armed.
+ * @pre The timer must have been initialized using @p chVTObjectInit()
+ * or @p chVTDoSetI().
+ *
+ * @param[in] vtp the @p virtual_timer_t structure pointer
+ * @return true if the timer is armed.
+ *
+ * @iclass
+ */
+static inline bool chVTIsArmedI(const virtual_timer_t *vtp) {
+
+ chDbgCheckClassI();
+
+ return (bool)(vtp->func != NULL);
+}
+
+/**
+ * @brief Returns @p true if the specified timer is armed.
+ * @pre The timer must have been initialized using @p chVTObjectInit()
+ * or @p chVTDoSetI().
+ *
+ * @param[in] vtp the @p virtual_timer_t structure pointer
+ * @return true if the timer is armed.
+ *
+ * @api
+ */
+static inline bool chVTIsArmed(const virtual_timer_t *vtp) {
+ bool b;
+
+ chSysLock();
+ b = chVTIsArmedI(vtp);
+ chSysUnlock();
+
+ return b;
+}
+
+/**
+ * @brief Disables a Virtual Timer.
+ * @note The timer is first checked and disabled only if armed.
+ * @pre The timer must have been initialized using @p chVTObjectInit()
+ * or @p chVTDoSetI().
+ *
+ * @param[in] vtp the @p virtual_timer_t structure pointer
+ *
+ * @iclass
+ */
+static inline void chVTResetI(virtual_timer_t *vtp) {
+
+ if (chVTIsArmedI(vtp)) {
+ chVTDoResetI(vtp);
+ }
+}
+
+/**
+ * @brief Disables a Virtual Timer.
+ * @note The timer is first checked and disabled only if armed.
+ * @pre The timer must have been initialized using @p chVTObjectInit()
+ * or @p chVTDoSetI().
+ *
+ * @param[in] vtp the @p virtual_timer_t structure pointer
+ *
+ * @api
+ */
+static inline void chVTReset(virtual_timer_t *vtp) {
+
+ chSysLock();
+ chVTResetI(vtp);
+ chSysUnlock();
+}
+
+/**
+ * @brief Enables a virtual timer.
+ * @details If the virtual timer was already enabled then it is re-enabled
+ * using the new parameters.
+ * @pre The timer must have been initialized using @p chVTObjectInit()
+ * or @p chVTDoSetI().
+ *
+ * @param[in] vtp the @p virtual_timer_t structure pointer
+ * @param[in] delay the number of ticks before the operation timeouts, the
+ * special values are handled as follow:
+ * - @a TIME_INFINITE is allowed but interpreted as a
+ * normal time specification.
+ * - @a TIME_IMMEDIATE this value is not allowed.
+ * .
+ * @param[in] vtfunc the timer callback function. After invoking the
+ * callback the timer is disabled and the structure can
+ * be disposed or reused.
+ * @param[in] par a parameter that will be passed to the callback
+ * function
+ *
+ * @iclass
+ */
+static inline void chVTSetI(virtual_timer_t *vtp, sysinterval_t delay,
+ vtfunc_t vtfunc, void *par) {
+
+ chVTResetI(vtp);
+ chVTDoSetI(vtp, delay, vtfunc, par);
+}
+
+/**
+ * @brief Enables a virtual timer.
+ * @details If the virtual timer was already enabled then it is re-enabled
+ * using the new parameters.
+ * @pre The timer must have been initialized using @p chVTObjectInit()
+ * or @p chVTDoSetI().
+ *
+ * @param[in] vtp the @p virtual_timer_t structure pointer
+ * @param[in] delay the number of ticks before the operation timeouts, the
+ * special values are handled as follow:
+ * - @a TIME_INFINITE is allowed but interpreted as a
+ * normal time specification.
+ * - @a TIME_IMMEDIATE this value is not allowed.
+ * .
+ * @param[in] vtfunc the timer callback function. After invoking the
+ * callback the timer is disabled and the structure can
+ * be disposed or reused.
+ * @param[in] par a parameter that will be passed to the callback
+ * function
+ *
+ * @api
+ */
+static inline void chVTSet(virtual_timer_t *vtp, sysinterval_t delay,
+ vtfunc_t vtfunc, void *par) {
+
+ chSysLock();
+ chVTSetI(vtp, delay, vtfunc, par);
+ chSysUnlock();
+}
+
+#endif /* CHVT_H */
+
+/** @} */