dsp28_gpio.c

来自「TI公司DSP芯片2812控制定时器0的源代码」· C语言 代码 · 共 24 行

#include "DSP28_Device.h"

void InitGpio(void)
{
// Set GPIO F port pins,bit8 as ouput,bit13 as input,bit12 as output, bit3 as ouput
// Input Qualifier =0, none
     EALLOW;
  	 GpioMuxRegs.GPFMUX.bit.MCLKXA_GPIOF8 = 0;
  	 GpioMuxRegs.GPFMUX.bit.MCLKRA_GPIOF9 = 0;
  	 GpioMuxRegs.GPFMUX.bit.MFSXA_GPIOF10 = 0;
  	 GpioMuxRegs.GPFMUX.bit.MFSRA_GPIOF11 = 0;
  	 GpioMuxRegs.GPFMUX.bit.MDXA_GPIOF12 = 0;
  	 GpioMuxRegs.GPFMUX.bit.MDRA_GPIOF13 =0;
  	 GpioMuxRegs.GPFDIR.bit.GPIOF8 = 1;
  	 GpioMuxRegs.GPFDIR.bit.GPIOF9 = 0;
  	 GpioMuxRegs.GPFDIR.bit.GPIOF10= 1;
  	 GpioMuxRegs.GPFDIR.bit.GPIOF11= 0;
  	 GpioMuxRegs.GPFDIR.bit.GPIOF12= 1;
  	 GpioMuxRegs.GPFDIR.bit.GPIOF13= 0;  	  
     EDIS;
}