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Shmingo-HAL/SHAL/Include/Peripheral/Timer/SHAL_TIM_CALLBACK.h

32 lines
1.3 KiB
C

/**
******************************************************************************
* @file SHAL.h
* @author Luca Lizaranzu
* @brief Utilities for creating and populating the timer IRQ callback table
* globally, see usage in SHAL_TIM.h. Created in use for singleton timer abstractions
******************************************************************************
*/
#ifndef SHMINGO_HAL_SHAL_TIM_CALLBACK_H
#define SHMINGO_HAL_SHAL_TIM_CALLBACK_H
#include "SHAL/Include/Core/SHAL_CORE.h"
#define DEFINE_TIMER_IRQ(key, irq_handler) \
extern "C" void irq_handler(void) { \
auto tim_reg = getTimerRegister(key); \
if (tim_reg->SR & TIM_SR_UIF) { \
tim_reg->SR &= ~TIM_SR_UIF; /* clear flag */ \
auto cb = timer_callbacks[static_cast<int>(key)]; \
if (cb) cb(); \
}; \
};
typedef void (*TimerCallback)(); //Typedef for callback function
[[maybe_unused]] static TimerCallback timer_callbacks[static_cast<int>(Timer_Key::NUM_TIMERS)] = {nullptr}; //Timer IRQ Callback table
void registerTimerCallback(Timer_Key key, TimerCallback callback);
#endif //SHMINGO_HAL_SHAL_TIM_CALLBACK_H