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45 lines
926 B
C++
45 lines
926 B
C++
#include "concurrency/InterruptableDelay.h"
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#include "configuration.h"
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namespace concurrency
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{
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InterruptableDelay::InterruptableDelay()
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{
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semaphore = xSemaphoreCreateBinary();
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}
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InterruptableDelay::~InterruptableDelay()
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{
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vSemaphoreDelete(semaphore);
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}
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/**
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* Returns false if we were interrupted
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*/
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bool InterruptableDelay::delay(uint32_t msec)
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{
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if (msec) {
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DEBUG_MSG("delay %u ", msec);
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// sem take will return false if we timed out (i.e. were not interrupted)
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bool r = xSemaphoreTake(semaphore, pdMS_TO_TICKS(msec));
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DEBUG_MSG("interrupt=%d\n", r);
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return !r;
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} else {
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return true;
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}
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}
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void InterruptableDelay::interrupt()
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{
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xSemaphoreGive(semaphore);
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}
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IRAM_ATTR void InterruptableDelay::interruptFromISR(BaseType_t *pxHigherPriorityTaskWoken)
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{
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xSemaphoreGiveFromISR(semaphore, pxHigherPriorityTaskWoken);
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}
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} // namespace concurrency
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