GpioCtrlRegs.GPAMUX1.bit.GPIO12 = 0;//将GPIO12作为通用I/O口 GpioCtrlRegs.GPADIR.bit.GPIO12 = 0;//将GPIO12配置为输入方向 GpioCtrlRegs.GPAQSEL1.bit.GPIO12= 0;//0量化 GpioIntRegs.GPIOXINT1SEL.bit.GPIOSEL = 12;//GPIO12被配置成外部中断1 ...