[STM32] photo coupler LED 점등
2021. 11. 9. 23:53ㆍ코딩/STM32
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
static i = 0;
switch(GPIO_Pin)
{
case GPIO_PIN_0:
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_RESET);
i %= 8;
//printf("LED : %d\n",i);
HAL_GPIO_WritePin(GPIOB, 0x01<<i, GPIO_PIN_SET);
i++;
break;
}
}
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