dsp281x_gpio.c

来自「TMSC320F2812串口SCI通信,SCIA,SCIB,波特率设置」· C语言 代码 · 共 43 行

//###########################################################################
//
// FILE:	DSP28_Gpio.c
//
// TITLE:	DSP28 General Purpose I/O Initialization & Support Functions.
//
//###########################################################################

#include "DSP281x_Device.h"
#include "DSP281x_Examples.h"   // DSP281x Examples Include File
//---------------------------------------------------------------------------
// InitGpio: 
//---------------------------------------------------------------------------
// This function initializes the Gpio to a known state.
//
void InitGpio(void)
{


     EALLOW;
     

     GpioMuxRegs.GPFMUX.bit.SCIRXDA_GPIOF5 = 1;     //Select GPIOs to be Scia pins 
     GpioMuxRegs.GPFMUX.bit.SCITXDA_GPIOF4 = 1; 	//port G
     
     GpioMuxRegs.GPGMUX.bit.SCITXDB_GPIOG4 = 1;     //Select GPIOs to be Scib pins 
     GpioMuxRegs.GPGMUX.bit.SCIRXDB_GPIOG5 = 1; 	//port G
     
     GpioMuxRegs.GPEMUX.bit.XINT1_XBIO_GPIOE0=1;    //Select GPIOs to be XINT1 pins 
                                                    //port E 
     GpioMuxRegs.GPEMUX.bit.XINT2_ADCSOC_GPIOE1=1;  //Select GPIOs to be XINT2 pins
                                                    //port E 
     GpioMuxRegs.GPFMUX.bit.CANTXA_GPIOF6 = 1 ;     //Init Gpio work at eCAN mode
	 GpioMuxRegs.GPFMUX.bit.CANRXA_GPIOF7 = 1 ;     //Init Gpio work at eCAN mode                                                
    
     EDIS;

}	
	
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// No more.
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