dsp28_gpio.c

合众达2812开发例程

#include "DSP28_Device.h"

//---------------------------------------------------------------------------
// InitGpio: 
//---------------------------------------------------------------------------
// This function initializes the Gpio to a known state.
//
void InitGpio(void)
{

     EALLOW;
     //设置PE02为SDA输出
     GpioMuxRegs.GPEMUX.all=0x0000;     
     GpioMuxRegs.GPEDIR.bit.GPIOE2 = 1;   	
     GpioMuxRegs.GPEQUAL.all=0x0000;	
     //设置PF14为SCL输出
     GpioMuxRegs.GPFMUX.all=0x0000;     
     GpioMuxRegs.GPFDIR.bit.GPIOF14 = 1;   	
//     GpioMuxRegs.GPFQUAL.all=0x0000;	

     EDIS;

}