unleashed-firmware/furi/core/semaphore.h
あく e3c7201a20
Furi: core refactoring and CMSIS removal part 2 (#1410)
* Furi: rename and move core
* Furi: drop CMSIS_OS header and unused api, partially refactor and cleanup the rest
* Furi: CMSIS_OS drop and refactoring.
* Furi: refactoring, remove cmsis legacy
* Furi: fix incorrect assert on queue deallocation, cleanup timer
* Furi: improve delay api, get rid of floats
* hal: dropped furi_hal_crc
* Furi: move DWT based delay to cortex HAL
* Furi: update core documentation

Co-authored-by: hedger <hedger@nanode.su>
2022-07-20 13:56:33 +03:00

58 lines
1.2 KiB
C

/**
* @file semaphore.h
* FuriSemaphore
*/
#pragma once
#include "base.h"
#include "thread.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef void FuriSemaphore;
/** Allocate semaphore
*
* @param[in] max_count The maximum count
* @param[in] initial_count The initial count
*
* @return pointer to FuriSemaphore instance
*/
FuriSemaphore* furi_semaphore_alloc(uint32_t max_count, uint32_t initial_count);
/** Free semaphore
*
* @param instance The pointer to FuriSemaphore instance
*/
void furi_semaphore_free(FuriSemaphore* instance);
/** Acquire semaphore
*
* @param instance The pointer to FuriSemaphore instance
* @param[in] timeout The timeout
*
* @return The furi status.
*/
FuriStatus furi_semaphore_acquire(FuriSemaphore* instance, uint32_t timeout);
/** Release semaphore
*
* @param instance The pointer to FuriSemaphore instance
*
* @return The furi status.
*/
FuriStatus furi_semaphore_release(FuriSemaphore* instance);
/** Get semaphore count
*
* @param instance The pointer to FuriSemaphore instance
*
* @return Semaphore count
*/
uint32_t furi_semaphore_get_count(FuriSemaphore* instance);
#ifdef __cplusplus
}
#endif