mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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20c4121f25
* Use static mutex * Add static_assert checks * Use static semaphore * Fix formatting * Use static stream buffer * Use static timer * Use static event group * Increase allocation size for stream buffer * Remove recursive bit from the mutex before freeing * Prevent service tasks from ever returning * Use static threads * Do not realloc memory when changing stack size * Use FuriSemaphore instead of raw FreeRTOS one in rpc_test * Remove redundant includes * Abolish FreeRTOS dynamic allocation * Improve FuriMutex * Improve FuriMessageQueue * Remove redundant comments and parentheses * Clean up code more * Create service threads via a dedicated constructor * Minor code improvements * Update docs for FuriThread, FuriTimer * Fix doxygen typo * Use a bigger buffer for static StreamBuffer * Furi: remove timer control block only when timer thread have completed all operations --------- Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
#include "semaphore.h"
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#include "check.h"
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#include "common_defines.h"
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#include <FreeRTOS.h>
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#include <semphr.h>
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struct FuriSemaphore {
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StaticSemaphore_t container;
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};
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// IMPORTANT: container MUST be the FIRST struct member
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static_assert(offsetof(FuriSemaphore, container) == 0);
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FuriSemaphore* furi_semaphore_alloc(uint32_t max_count, uint32_t initial_count) {
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furi_check(!FURI_IS_IRQ_MODE());
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furi_check((max_count > 0U) && (initial_count <= max_count));
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FuriSemaphore* instance = malloc(sizeof(FuriSemaphore));
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SemaphoreHandle_t hSemaphore;
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if(max_count == 1U) {
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hSemaphore = xSemaphoreCreateBinaryStatic(&instance->container);
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} else {
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hSemaphore =
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xSemaphoreCreateCountingStatic(max_count, initial_count, &instance->container);
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}
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furi_check(hSemaphore == (SemaphoreHandle_t)instance);
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if(max_count == 1U && initial_count != 0U) {
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furi_check(xSemaphoreGive(hSemaphore) == pdPASS);
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}
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return instance;
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}
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void furi_semaphore_free(FuriSemaphore* instance) {
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furi_check(instance);
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furi_check(!FURI_IS_IRQ_MODE());
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vSemaphoreDelete((SemaphoreHandle_t)instance);
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free(instance);
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}
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FuriStatus furi_semaphore_acquire(FuriSemaphore* instance, uint32_t timeout) {
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furi_check(instance);
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SemaphoreHandle_t hSemaphore = (SemaphoreHandle_t)instance;
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FuriStatus stat;
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BaseType_t yield;
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stat = FuriStatusOk;
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if(FURI_IS_IRQ_MODE()) {
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if(timeout != 0U) {
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stat = FuriStatusErrorParameter;
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} else {
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yield = pdFALSE;
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if(xSemaphoreTakeFromISR(hSemaphore, &yield) != pdPASS) {
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stat = FuriStatusErrorResource;
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} else {
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portYIELD_FROM_ISR(yield);
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}
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}
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} else {
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if(xSemaphoreTake(hSemaphore, (TickType_t)timeout) != pdPASS) {
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if(timeout != 0U) {
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stat = FuriStatusErrorTimeout;
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} else {
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stat = FuriStatusErrorResource;
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}
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}
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}
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return stat;
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}
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FuriStatus furi_semaphore_release(FuriSemaphore* instance) {
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furi_check(instance);
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SemaphoreHandle_t hSemaphore = (SemaphoreHandle_t)instance;
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FuriStatus stat;
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BaseType_t yield;
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stat = FuriStatusOk;
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if(FURI_IS_IRQ_MODE()) {
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yield = pdFALSE;
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if(xSemaphoreGiveFromISR(hSemaphore, &yield) != pdTRUE) {
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stat = FuriStatusErrorResource;
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} else {
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portYIELD_FROM_ISR(yield);
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}
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} else {
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if(xSemaphoreGive(hSemaphore) != pdPASS) {
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stat = FuriStatusErrorResource;
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}
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}
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return stat;
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}
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uint32_t furi_semaphore_get_count(FuriSemaphore* instance) {
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furi_check(instance);
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SemaphoreHandle_t hSemaphore = (SemaphoreHandle_t)instance;
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uint32_t count;
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if(FURI_IS_IRQ_MODE()) {
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count = (uint32_t)uxSemaphoreGetCountFromISR(hSemaphore);
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} else {
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count = (uint32_t)uxSemaphoreGetCount(hSemaphore);
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}
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return count;
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}
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