STM32F207的定时us问题
void delay_s(int x)
{
__HAL_RCC_TIM1_CLK_ENABLE();
TIM1->ARR = x*10-1;
TIM1->PSC = 11999;
TIM1->EGR = TIM_EGR_UG;
TIM1->CR1 = TIM_CR1_OPM | TIM_CR1_CEN;
while(TIM1->CR1 & TIM_CR1_CEN);
}
大佬们 请问我使用STM32F207单片机时,使用延时函数为什么 不准了。上面这个是我设置的1s, f2是120mzh