本帖最后由 xyz549040622 于 2023-4-27 10:03 编辑
- #include "ti_msp_dl_config.h"
- extern volatile uint32_t interruptVectors[];
- int main(void)
- {
- SYSCFG_DL_init();
- /*
- * Turn OFF LED if SW is open, ON if SW is closed.
- * LED starts OFF by default.
- */
- NVIC_EnableIRQ(GPIO_SWITCHES_INT_IRQN);//使能IO中断
- while (1) {
- __WFI();
- }
- }
- void GROUP1_IRQHandler(void)
- {
- switch (DL_Interrupt_getPendingGroup(DL_INTERRUPT_GROUP_1)) {//选择获取中断标志位进行判断
- case GPIO_SWITCHES_INT_IIDX://检测到对应的中断标志位
- /* If SW is high, turn the LED off */
- if (DL_GPIO_readPins(//读取输入脚的状态,并进行对应的LED脚状态翻转
- GPIO_SWITCHES_PORT, GPIO_SWITCHES_USER_SWITCH_1_PIN)) {
- DL_GPIO_setPins(GPIO_LEDS_PORT, GPIO_LEDS_USER_LED_1_PIN);
- }
- /* Otherwise, turn the LED on */
- else {
- DL_GPIO_clearPins(GPIO_LEDS_PORT, GPIO_LEDS_USER_LED_1_PIN);
- }
- break;
- }
- }
| 
楼主
