www.pudn.com > ExRam.rar > DSP28_Gpio.c

 
#include "DSP28_Device.h" 
 
void InitGpio(void) 
{ 
// Set GPIO F port pins,bit0 as ouput,bit1 as input,bit2 as output, bit3 as ouput 
// Input Qualifier =0, none 
     EALLOW; 
  	 GpioMuxRegs.GPFMUX.bit.SPISIMOA_GPIOF0 = 0; 
  	 GpioMuxRegs.GPFMUX.bit.SPISOMIA_GPIOF1 = 0; 
  	 GpioMuxRegs.GPFMUX.bit.SPICLKA_GPIOF2  = 0; 
  	 GpioMuxRegs.GPFMUX.bit.SPISTEA_GPIOF3 = 0; 
  	 GpioMuxRegs.GPFDIR.bit.GPIOF0 = 1; 
  	 GpioMuxRegs.GPFDIR.bit.GPIOF1 = 0; 
  	 GpioMuxRegs.GPFDIR.bit.GPIOF2 = 1; 
  	 GpioMuxRegs.GPFDIR.bit.GPIOF3 = 1; 
     EDIS; 
}