81 lines
1.6 KiB
C
Executable File
81 lines
1.6 KiB
C
Executable File
#include "os/os.h"
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#include "os_util.h"
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#include "semphr.h"
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os_state os_mutex_create(os_mutex_t *mutex)
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{
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OS_ASS_HDL(!os_mutex_is_valid(mutex), mutex->handle);
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mutex->handle = xSemaphoreCreateRecursiveMutex();
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if (mutex->handle == NULL)
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{
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OS_ERR("err %p\r\n", mutex->handle);
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return OS_FAIL;
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}
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return OS_OK;
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}
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os_state os_mutex_delete(os_mutex_t *mutex)
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{
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OS_ASS_HDL(os_mutex_is_valid(mutex), mutex->handle);
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vSemaphoreDelete(mutex->handle);
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mutex->handle = NULL;
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return OS_OK;
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}
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os_state os_mutex_lock(os_mutex_t *mutex, os_time_t wait_ms)
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{
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BaseType_t ret;
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OS_ASS_HDL(os_mutex_is_valid(mutex), mutex->handle);
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ret = xSemaphoreTakeRecursive(mutex->handle, os_calc_msec_to_ticks(wait_ms));
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if (ret != pdPASS)
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{
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OS_DBG("%s() fail @ %d, %u ms\n", __func__, __LINE__, wait_ms);
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return OS_FAIL;
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}
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return OS_OK;
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}
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os_state os_mutex_unlock(os_mutex_t *mutex)
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{
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BaseType_t ret;
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OS_ASS_HDL(os_mutex_is_valid(mutex), mutex->handle);
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ret = xSemaphoreGiveRecursive(mutex->handle);
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if (ret != pdPASS)
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{
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OS_DBG("%s() fail @ %d\n", __func__, __LINE__);
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return OS_FAIL;
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}
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return OS_OK;
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}
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os_thread_handle_t os_mutex_get_holder(os_mutex_t *mutex)
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{
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if (!os_mutex_is_valid(mutex))
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{
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return OS_INVALID_HANDLE;
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}
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return (os_thread_handle_t)xSemaphoreGetMutexHolder(mutex->handle);
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}
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bool os_mutex_is_valid(os_mutex_t *mutex)
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{
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if (mutex && mutex->handle)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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