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- #include "stm32f10x.h"
- int main(void)
- {
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
- GPIO_InitTypeDef tmp;
- tmp.GPIO_Mode=GPIO_Mode_Out_PP;
- tmp.GPIO_Speed=GPIO_Speed_2MHz;
- tmp.GPIO_Pin = GPIO_Pin_8;
- GPIO_Init(GPIOB, &tmp);
- SysTick_Config(SystemCoreClock / 1000);
- while(1)
- {
- }
- }
- void SysTick_Handler()
- {
- GPIO_WriteBit(GPIOB, GPIO_Pin_9,(BitAction)((1-GPIO_ReadOutputDataBit(GPIO_Pin_8))));
- }
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