system timer (so called SysTick) runs with the speed of main system bus, so it should count up to 16 000 000 each second. That seems obvious, but when I look at theClock treediagram in STM32F407xx reference manual I see this: ...
please refer to the appropriate CMSIS device file (stm32f2xxxx.h)) * @retval None */ void HAL_NVIC_EnableIRQ(IRQn_Type IRQn) { /* Check the parameters */ assert_param(IS_NVIC_DEVICE_IRQ(IRQn)); /* Enable interrupt */ NVIC_EnableIRQ(IRQn); } /** *...