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33 lines
745 B
C
33 lines
745 B
C
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#pragma once
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#include "../freertosinc.h"
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namespace concurrency
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{
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/**
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* An object that provides delay(msec) like functionality, but can be interrupted by calling interrupt().
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*
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* Useful for they top level loop() delay call to keep the CPU powered down until our next scheduled event or some external event.
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*
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* This is implmented for FreeRTOS but should be easy to port to other operating systems.
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*/
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class InterruptableDelay
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{
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SemaphoreHandle_t semaphore;
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public:
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InterruptableDelay();
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~InterruptableDelay();
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/**
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* Returns false if we were interrupted
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*/
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bool delay(uint32_t msec);
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void interrupt();
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void interruptFromISR(BaseType_t *pxHigherPriorityTaskWoken);
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};
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} // namespace concurrency
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