81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/**
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* File: mutex.c
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* Author: AWTK Develop Team
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* Brief: mutex base on tos_mutex
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*
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* Copyright (c) 2018 - 2021 Guangzhou ZHIYUAN Electronics Co.,Ltd.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* License file for more details.
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*
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*/
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/**
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* History:
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* ================================================================
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* 2019-10-20 Li XianJing <xianjimli@hotmail.com> created
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*
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*/
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#include "tkc/mem.h"
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#include "tkc/mutex.h"
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#include "cmsis_os.h"
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struct _tk_mutex_t {
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osMutexId mutex;
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osMutexDef_t def;
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};
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tk_mutex_t* tk_mutex_create() {
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osMutexDef_t* def = NULL;
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tk_mutex_t* mutex = TKMEM_ZALLOC(tk_mutex_t);
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return_value_if_fail(mutex != NULL, NULL);
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def = &(mutex->def);
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memset(def, 0x00, sizeof(*def));
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#ifdef _TOS_CONFIG_H_
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def->mutex = TKMEM_ALLOC(sizeof(def->mutex));
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mutex->mutex = osMutexCreate(def);
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#endif /*_TOS_CONFIG_H_*/
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if (mutex->mutex == NULL) {
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TKMEM_FREE(mutex->def.mutex);
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TKMEM_FREE(mutex);
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}
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return mutex;
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}
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ret_t tk_mutex_lock(tk_mutex_t* mutex) {
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return_value_if_fail(mutex != NULL && mutex->mutex != NULL, RET_BAD_PARAMS);
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return_value_if_fail(osMutexWait(mutex->mutex, 0xffffffff) == osOK, RET_FAIL);
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return RET_OK;
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}
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ret_t tk_mutex_unlock(tk_mutex_t* mutex) {
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return_value_if_fail(mutex != NULL && mutex->mutex != NULL, RET_BAD_PARAMS);
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return_value_if_fail(osMutexRelease(mutex->mutex) == osOK, RET_FAIL);
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return RET_OK;
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}
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ret_t tk_mutex_destroy(tk_mutex_t* mutex) {
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return_value_if_fail(mutex != NULL && mutex->mutex != NULL, RET_BAD_PARAMS);
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osMutexDelete(mutex->mutex);
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#ifdef _TOS_CONFIG_H_
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TKMEM_FREE(mutex->def.mutex);
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#endif /*_TOS_CONFIG_H_*/
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memset(mutex, 0x00, sizeof(tk_mutex_t));
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TKMEM_FREE(mutex);
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return RET_OK;
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}
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