void EINT3_IRQHandler(void)
{
//清除端口中断状态
Chip_GPIOINT_ClearIntStatus (LPC_GPIOINT, 0, 19);
PrintFlag = 1 ;
}
void TestIntGPIO(void)
{
Chip_GPIOINT_Init(LPC_GPIOINT); //初始化中断LPC_GPIO
Chip_GPIO_SetPinDIRInput (LPC_GPIO, 0, 19);//设置端口为输入方向
//NVIC_ClearPendingIRQ(EINT3_IRQn);
NVIC_EnableIRQ(EINT3_IRQn);//使能中断
Chip_GPIOINT_SetIntFalling(LPC_GPIOINT, 0, 19);//设置端口下降沿触发中断
while(1)
{
if(PrintFlag == 1)
{
{ /*!!!debug*/
unsigned char buf[50] = {0};
sprintf(buf, "##debug -- start Chip_GPIO_WriteDirBit_59 -- 2\r\n");
UART_Send(0, buf, strlen(buf));
}
PrintFlag = 0;
}
}
}