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/**
* Copyright (c) 2014 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**@file
*
* @defgroup app_util_platform Utility Functions and Definitions (Platform)
* @{
* @ingroup app_common
*
* @brief Various types and definitions available to all applications when using SoftDevice.
*/
#ifndef APP_UTIL_PLATFORM_H__
#define APP_UTIL_PLATFORM_H__
#include <stdint.h>
#include "compiler_abstraction.h"
#include "nrf.h"
#ifdef SOFTDEVICE_PRESENT
#include "nrf_soc.h"
#include "nrf_nvic.h"
#endif
#include "nrf_assert.h"
#include "app_error.h"
#ifdef __cplusplus
extern "C" {
#endif
#if __CORTEX_M == (0x00U)
#define _PRIO_SD_HIGH 0
#define _PRIO_APP_HIGH 1
#define _PRIO_APP_MID 1
#define _PRIO_SD_LOW 2
#define _PRIO_APP_LOW 3
#define _PRIO_APP_LOWEST 3
#define _PRIO_THREAD 4
#elif __CORTEX_M == (0x04U) && !defined(S1XX)
#define _PRIO_SD_HIGH 0
#define _PRIO_SD_MID 1
#define _PRIO_APP_HIGH 2
#define _PRIO_APP_MID 3
#define _PRIO_SD_LOW 4
#define _PRIO_SD_LOWEST 5
#define _PRIO_APP_LOW 6
#define _PRIO_APP_LOWEST 7
#define _PRIO_THREAD 15
#elif defined(S1XX)
#define _PRIO_SD_HIGH 0
#define _PRIO_APP_HIGH 1
#define _PRIO_APP_MID 1
#define _PRIO_SD_LOW 2
#define _PRIO_APP_LOW 3
#define _PRIO_APP_LOWEST 3
#define _PRIO_THREAD 4
#else
#error "No platform defined"
#endif
//lint -save -e113 -e452
/**@brief The interrupt priorities available to the application while the SoftDevice is active. */
typedef enum
{
#ifndef SOFTDEVICE_PRESENT
APP_IRQ_PRIORITY_HIGHEST = _PRIO_SD_HIGH,
#else
APP_IRQ_PRIORITY_HIGHEST = _PRIO_APP_HIGH,
#endif
APP_IRQ_PRIORITY_HIGH = _PRIO_APP_HIGH,
#ifndef SOFTDEVICE_PRESENT
APP_IRQ_PRIORITY_MID = _PRIO_SD_LOW,
#else
APP_IRQ_PRIORITY_MID = _PRIO_APP_MID,
#endif
APP_IRQ_PRIORITY_LOW = _PRIO_APP_LOW,
APP_IRQ_PRIORITY_LOWEST = _PRIO_APP_LOWEST,
APP_IRQ_PRIORITY_THREAD = _PRIO_THREAD /**< "Interrupt level" when running in Thread Mode. */
} app_irq_priority_t;
//lint -restore
/*@brief The privilege levels available to applications in Thread Mode */
typedef enum
{
APP_LEVEL_UNPRIVILEGED,
APP_LEVEL_PRIVILEGED
} app_level_t;
/**@cond NO_DOXYGEN */
#define EXTERNAL_INT_VECTOR_OFFSET 16
/**@endcond */
/**@brief Macro for setting a breakpoint.
*/
#if defined(__GNUC__)
#define NRF_BREAKPOINT __builtin_trap()
#else
#define NRF_BREAKPOINT __BKPT(0)
#endif
/** @brief Macro for setting a breakpoint.
*
* If it is possible to detect debugger presence then it is set only in that case.
*
*/
#if __CORTEX_M == 0x04
#define NRF_BREAKPOINT_COND do { \
/* C_DEBUGEN == 1 -> Debugger Connected */ \
if (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) \
{ \
/* Generate breakpoint if debugger is connected */ \
NRF_BREAKPOINT; \
} \
}while (0)
#else
#define NRF_BREAKPOINT_COND NRF_BREAKPOINT
#endif // __CORTEX_M == 0x04
#if defined ( __CC_ARM )
#define PACKED(TYPE) __packed TYPE
#define PACKED_STRUCT PACKED(struct)
#elif defined ( __GNUC__ )
#define PACKED __attribute__((packed))
#define PACKED_STRUCT struct PACKED
#elif defined (__ICCARM__)
#define PACKED_STRUCT __packed struct
#endif
void app_util_critical_region_enter (uint8_t *p_nested);
void app_util_critical_region_exit (uint8_t nested);
/**@brief Macro for entering a critical region.
*
* @note Due to implementation details, there must exist one and only one call to
* CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located
* in the same scope.
*/
#ifdef SOFTDEVICE_PRESENT
#define CRITICAL_REGION_ENTER() \
{ \
uint8_t __CR_NESTED = 0; \
app_util_critical_region_enter(&__CR_NESTED);
#else
#define CRITICAL_REGION_ENTER() app_util_critical_region_enter(NULL)
#endif
/**@brief Macro for leaving a critical region.
*
* @note Due to implementation details, there must exist one and only one call to
* CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located
* in the same scope.
*/
#ifdef SOFTDEVICE_PRESENT
#define CRITICAL_REGION_EXIT() \
app_util_critical_region_exit(__CR_NESTED); \
}
#else
#define CRITICAL_REGION_EXIT() app_util_critical_region_exit(0)
#endif
/* Workaround for Keil 4 */
#ifndef IPSR_ISR_Msk
#define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
#endif
/**@brief Macro to enable anonymous unions from a certain point in the code.
*/
#if defined(__CC_ARM)
#define ANON_UNIONS_ENABLE _Pragma("push") \
_Pragma("anon_unions")
#elif defined(__ICCARM__)
#define ANON_UNIONS_ENABLE _Pragma("language=extended")
#else
#define ANON_UNIONS_ENABLE
// No action will be taken.
// For GCC anonymous unions are enabled by default.
#endif
/**@brief Macro to disable anonymous unions from a certain point in the code.
* @note Call only after first calling @ref ANON_UNIONS_ENABLE.
*/
#if defined(__CC_ARM)
#define ANON_UNIONS_DISABLE _Pragma("pop")
#elif defined(__ICCARM__)
#define ANON_UNIONS_DISABLE
// for IAR leave anonymous unions enabled
#else
#define ANON_UNIONS_DISABLE
// No action will be taken.
// For GCC anonymous unions are enabled by default.
#endif
/**@brief Macro for adding pragma directive only for GCC.
*/
#ifdef __GNUC__
#define GCC_PRAGMA(v) _Pragma(v)
#else
#define GCC_PRAGMA(v)
#endif
/* Workaround for Keil 4 */
#ifndef CONTROL_nPRIV_Msk
#define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/) /*!< CONTROL: nPRIV Mask */
#endif
/**@brief Function for finding the current interrupt level.
*
* @return Current interrupt level.
* @retval APP_IRQ_PRIORITY_HIGH We are running in Application High interrupt level.
* @retval APP_IRQ_PRIORITY_LOW We are running in Application Low interrupt level.
* @retval APP_IRQ_PRIORITY_THREAD We are running in Thread Mode.
*/
uint8_t current_int_priority_get(void);
/**@brief Function for finding out the current privilege level.
*
* @return Current privilege level.
* @retval APP_LEVEL_UNPRIVILEGED We are running in unprivileged level.
* @retval APP_LEVEL_PRIVILEGED We are running in privileged level.
*/
uint8_t privilege_level_get(void);
#ifdef __cplusplus
}
#endif
#endif // APP_UTIL_PLATFORM_H__
/** @} */
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