30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
#ifndef FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_
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#define FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_
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#include <framework/osal/FreeRTOS/BinarySemaphore.h>
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/**
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* @brief Counting semaphores, which can be acquire more than once.
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* @details
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* See: https://www.freertos.org/CreateCounting.html
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* API of counting semaphores is almost identical to binary semaphores,
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* so we just inherit from binary semaphore and provide the respective
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* constructors.
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*/
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class CountingSemaphore: public BinarySemaphore {
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public:
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CountingSemaphore(uint8_t count, uint8_t initCount);
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//! @brief Copy ctor, disabled
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CountingSemaphore(const CountingSemaphore&) = delete;
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//! @brief Copy assignment, disabled
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CountingSemaphore& operator=(const CountingSemaphore&) = delete;
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//! @brief Move ctor
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CountingSemaphore (CountingSemaphore &&);
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//! @brief Move assignment
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CountingSemaphore & operator=(CountingSemaphore &&);
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private:
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uint8_t count = 0;
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uint8_t initCount = 0;
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};
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#endif /* FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_ */
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