void InitGpio(void){// Set GPIO A port pins,AL(Bits 7:0)(input)-AH(Bits 15:8) (output) 8bits// Input Qualifier =0, none EALLOW; //EVA配置 GpioMuxRegs.GPAMUX.all=0x0f0f; // 配置PWM1,PWM2,PWM3,PWM4,QEP1,QEP2等的功能口 GpioMuxRegs.GPAQUAL.all=0x0000; // Input qualifier disabled //配置刹车，方向控制信号 GpioMuxRegs.GPBMUX.all = 0x0000; //配置为I/O口// GpioMuxRegs.GPBMUX.bit.PWM7_GPIOB0 = 0; //配置为I/O口// GpioMuxRegs.GPBMUX.bit.PWM8_GPIOB1 = 0;// GpioMuxRegs.GPBDIR.bit.GPIOB0 = 1; //输出引脚，电机刹车控制，break// GpioMuxRegs.GPBDIR.bit.GPIOB1 = 1; //输出引脚，电机方向控制，dir GpioMuxRegs.GPBDIR.all = 0xffff; //配置为输出引脚 GpioMuxRegs.GPBQUAL.all=0x0000; // Input qualifier disabled EDIS; GpioDataRegs.GPBDAT.all = 0xff00; //高8位为DA输出控制制动器}
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