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MayaPosch/stm32_timer_systick_init.cpp Secret

Created October 29, 2020 13:20
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STM32 Timer SysTick init
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stm32_timer_systick_init.cpp
Timer::Timer() {
// Set reload register to generate an interrupt every millisecond.
SysTick->LOAD = (uint32_t)((SystemCoreClock / 1000) - 1);
// Reset the SysTick counter value.
SysTick->VAL = 0UL;
// Set SysTick source and IRQ.
SysTick->CTRL = (SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk);
}
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