diff options
Diffstat (limited to 'ChibiOS_16.1.5/community/os/hal/include/hal_crc.h')
| -rw-r--r-- | ChibiOS_16.1.5/community/os/hal/include/hal_crc.h | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/ChibiOS_16.1.5/community/os/hal/include/hal_crc.h b/ChibiOS_16.1.5/community/os/hal/include/hal_crc.h deleted file mode 100644 index 8c4c895..0000000 --- a/ChibiOS_16.1.5/community/os/hal/include/hal_crc.h +++ /dev/null @@ -1,158 +0,0 @@ -/* - ChibiOS - Copyright (C) 2015 Michael D. Spradling - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -#ifndef _CRC_H_ -#define _CRC_H_ - -#if (HAL_USE_CRC == TRUE) || defined(__DOXYGEN__) - -/*===========================================================================*/ -/* Driver constants. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver pre-compile time settings. */ -/*===========================================================================*/ - -/** - * @name Configuration options - * @{ - */ - -/** - * @brief Enable DMA CRC - * @note Enables DMA when doing CRC calculations. This may be less - * efficient with smaller CRC calculations. - */ -#if !defined(CRC_USE_DMA) || defined(__DOXYGEN__) -#define CRC_USE_DMA FALSE -#endif - -/** - * @brief Enables the @p crcAcquireBus() and @p crcReleaseBus() APIs. - * @note Disabling this option saves both code and data space. - */ -#if !defined(CRC_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__) -#define CRC_USE_MUTUAL_EXCLUSION TRUE -#endif - -/*===========================================================================*/ -/* Derived constants and error checks. */ -/*===========================================================================*/ - -#if STM32_CRC_USE_CRC1 != TRUE && CRCSW_USE_CRC1 != TRUE -#error "CRC requires at least one LLD driver." -#endif - -/*===========================================================================*/ -/* Driver data structures and types. */ -/*===========================================================================*/ - -/** - * @brief Driver state machine possible states. - */ -typedef enum { - CRC_UNINIT, /* Not initialized. */ - CRC_STOP, /* Stopped. */ - CRC_READY, /* Ready. */ - CRC_ACTIVE, /* Calculating CRC. */ - CRC_COMPLETE /* Asynchronous operation complete. */ -} crcstate_t; - -#include "hal_crc_lld.h" -#include "crcsw.h" /* Include software LL driver */ - - -/*===========================================================================*/ -/* Driver macros. */ -/*===========================================================================*/ - -/** - * @name Low level driver helper macros - * @{ - */ - -/** - * @brief Wakes up the waiting thread. - * - * @param[in] crcp pointer to the @p CRCDriver object - * - * @notapi - */ -#define _crc_wakeup_isr(crcp) { \ - osalSysLockFromISR(); \ - osalThreadResumeI(&(crcp)->thread, MSG_OK); \ - osalSysUnlockFromISR(); \ -} - -/** - * @brief Common ISR code. - * @details This code handles the portable part of the ISR code: - * - Callback invocation. - * - Waiting thread wakeup, if any. - * - Driver state transitions. - * . - * @note This macro is meant to be used in the low level drivers - * implementation only. - * - * @param[in] crcp pointer to the @p CRCDriver object - * - * @notapi - */ -#define _crc_isr_code(crcp, crc) { \ - if ((crcp)->config->end_cb) { \ - (crcp)->state = CRC_COMPLETE; \ - (crcp)->config->end_cb(crcp, crc); \ - if ((crcp)->state == CRC_COMPLETE) \ - (crcp)->state = CRC_READY; \ - } \ - else \ - (crcp)->state = CRC_READY; \ - _crc_wakeup_isr(crcp); \ -} - -/*===========================================================================*/ -/* External declarations. */ -/*===========================================================================*/ - -#ifdef __cplusplus -extern "C" { -#endif - void crcInit(void); - void crcObjectInit(CRCDriver *crcp); - void crcStart(CRCDriver *crcp, const CRCConfig *config); - void crcStop(CRCDriver *crcp); - void crcReset(CRCDriver *crcp); - void crcResetI(CRCDriver *crcp); - uint32_t crcCalc(CRCDriver *crcp, size_t n, const void *buf); - uint32_t crcCalcI(CRCDriver *crcp, size_t n, const void *buf); -#if CRC_USE_DMA == TRUE - void crcStartCalc(CRCDriver *crcp, size_t n, const void *buf); - void crcStartCalcI(CRCDriver *crcp, size_t n, const void *buf); -#endif -#if CRC_USE_MUTUAL_EXCLUSION == TRUE - void crcAcquireUnit(CRCDriver *crcp); - void crcReleaseUnit(CRCDriver *crcp); -#endif -#ifdef __cplusplus -} -#endif - -#endif /* HAL_USE_CRC */ - -#endif /* _CRC_H_ */ - -/** @} */ |