stm32systick.h

Go to the documentation of this file.

 
#ifndef SEMF_HARDWAREABSTRACTION_STM32_STM32SYSTICK_H_
#define SEMF_HARDWAREABSTRACTION_STM32_STM32SYSTICK_H_
 
#include <semf/app/system/timer.h>
#include <semf/hardwareabstraction/stm32/stm32.h>
#include <semf/utils/core/debug.h>
 
#if defined(STM32)
namespace semf
{
template <typename T>
class Stm32Systick : public app::Timer
{
public:
    static T& instance();
    static void isr();
    void start() override;
    void stop() override;
    void reset() override;
 
protected:
    Stm32Systick() = default;
};
 
template <typename T>
T& Stm32Systick<T>::instance()
{
    static T timer;
    return timer;
}
 
template <typename T>
void Stm32Systick<T>::isr()
{
    SEMF_SINGLETON_INFO(&instance(), "timeout");
    instance().timeout();
}
 
template <typename T>
void Stm32Systick<T>::start()
{
    volatile uint32_t* sysTickControl = reinterpret_cast<volatile uint32_t*>(0xE000E010);
    *sysTickControl |= 1;
}
 
template <typename T>
void Stm32Systick<T>::stop()
{
    volatile uint32_t* sysTickControl = reinterpret_cast<volatile uint32_t*>(0xE000E010);
    *sysTickControl &= 0xFFFFFFFE;
}
 
template <typename T>
void Stm32Systick<T>::reset()
{
    volatile uint32_t* sysTickCount = reinterpret_cast<volatile uint32_t*>(0xE000E018);
    *sysTickCount = 0;
}
 
} /* namespace semf */
#endif
#endif /* SEMF_HARDWAREABSTRACTION_STM32_STM32SYSTICK_H_ */