a94baf0d00
* improvements for cross-platform compiling * moved tactility-core to libs/ * splitup improvements * remove git/gitmodules from freertos * better platformbetter platform checks * added build scripts * delete mbedtls * re-add mbedtls * fixes and improvements * added pc build * simplify build scripts * revert build scrpit * updated builds * fix for pc * fix for pc * fix for build
125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
#include "semaphore.h"
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#include "check.h"
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#include "core_defines.h"
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#ifdef ESP_PLATFORM
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#else
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#include "FreeRTOS.h"
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#include "semphr.h"
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#endif
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Semaphore* tt_semaphore_alloc(uint32_t max_count, uint32_t initial_count) {
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tt_assert(!TT_IS_IRQ_MODE());
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tt_assert((max_count > 0U) && (initial_count <= max_count));
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SemaphoreHandle_t hSemaphore = NULL;
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if (max_count == 1U) {
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hSemaphore = xSemaphoreCreateBinary();
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if ((hSemaphore != NULL) && (initial_count != 0U)) {
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if (xSemaphoreGive(hSemaphore) != pdPASS) {
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vSemaphoreDelete(hSemaphore);
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hSemaphore = NULL;
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}
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}
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} else {
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hSemaphore = xSemaphoreCreateCounting(max_count, initial_count);
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}
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tt_check(hSemaphore);
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return (Semaphore*)hSemaphore;
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}
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void tt_semaphore_free(Semaphore* instance) {
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tt_assert(instance);
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tt_assert(!TT_IS_IRQ_MODE());
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SemaphoreHandle_t hSemaphore = (SemaphoreHandle_t)instance;
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vSemaphoreDelete(hSemaphore);
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}
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TtStatus tt_semaphore_acquire(Semaphore* instance, uint32_t timeout) {
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tt_assert(instance);
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SemaphoreHandle_t hSemaphore = (SemaphoreHandle_t)instance;
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TtStatus status;
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BaseType_t yield;
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status = TtStatusOk;
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if (TT_IS_IRQ_MODE()) {
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if (timeout != 0U) {
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status = TtStatusErrorParameter;
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} else {
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yield = pdFALSE;
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if (xSemaphoreTakeFromISR(hSemaphore, &yield) != pdPASS) {
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status = TtStatusErrorResource;
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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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status = TtStatusErrorTimeout;
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} else {
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status = TtStatusErrorResource;
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}
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}
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}
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return status;
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}
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TtStatus tt_semaphore_release(Semaphore* instance) {
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tt_assert(instance);
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SemaphoreHandle_t hSemaphore = (SemaphoreHandle_t)instance;
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TtStatus stat;
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BaseType_t yield;
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stat = TtStatusOk;
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if (TT_IS_IRQ_MODE()) {
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yield = pdFALSE;
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if (xSemaphoreGiveFromISR(hSemaphore, &yield) != pdTRUE) {
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stat = TtStatusErrorResource;
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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 = TtStatusErrorResource;
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}
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}
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/* Return execution status */
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return (stat);
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}
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uint32_t tt_semaphore_get_count(Semaphore* instance) {
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tt_assert(instance);
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SemaphoreHandle_t hSemaphore = (SemaphoreHandle_t)instance;
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uint32_t count;
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if (TT_IS_IRQ_MODE()) {
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// TODO: uxSemaphoreGetCountFromISR is not supported on esp-idf 5.1.2 - perhaps later on?
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#ifdef uxSemaphoreGetCountFromISR
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count = (uint32_t)uxSemaphoreGetCountFromISR(hSemaphore);
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#else
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count = (uint32_t)uxQueueMessagesWaitingFromISR((QueueHandle_t)hSemaphore);
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#endif
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} else {
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count = (uint32_t)uxSemaphoreGetCount(hSemaphore);
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}
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/* Return number of tokens */
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return (count);
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}
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