55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
#ifndef FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHUSINGTASK_H_
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#define FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHUSINGTASK_H_
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#include <framework/osal/FreeRTOS/CountingSemaphUsingTask.h>
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#include <framework/tasks/SemaphoreIF.h>
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extern "C" {
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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}
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class CountingSemaphoreUsingTask: public SemaphoreIF {
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public:
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CountingSemaphoreUsingTask(const uint8_t maxCount, uint8_t initCount);
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ReturnValue_t acquire(uint32_t timeoutMs = SemaphoreIF::NO_TIMEOUT) override;
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ReturnValue_t release() override;
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uint8_t getSemaphoreCounter() const override;
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static uint8_t getSemaphoreCounterFromISR(TaskHandle_t task);
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/**
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* Acquire, using a timeout value in ticks
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* @param timeoutTicks
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* @return
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*/
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ReturnValue_t acquireWithTickTimeout(
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TickType_t timeoutTicks= SemaphoreIF::NO_TIMEOUT);
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/**
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* Get handle to the task related to the semaphore.
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* @return
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*/
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TaskHandle_t getTaskHandle();
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/**
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* Release semaphore of task by supplying task handle
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* @param taskToNotify
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* @return
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*/
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static ReturnValue_t release(TaskHandle_t taskToNotify);
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/**
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* Release seamphore of a task from an ISR.
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* @param taskToNotify
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* @return
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*/
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static ReturnValue_t releaseFromISR(TaskHandle_t taskToNotify,
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BaseType_t* higherPriorityTaskWoken);
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private:
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TaskHandle_t handle;
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const uint8_t maxCount;
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uint8_t currentCount = 0;
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};
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#endif /* FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHUSINGTASK_H_ */
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