flashspi.c

来自「自己编写的2812SPI程序」· C语言 代码 · 共 34 行

#include "DSP281x_Device.h"     // DSP281x Headerfile Include File
#include "DSP281x_Examples.h"   // DSP281x Examples Include File

// These are defined by the linker (see F2812.cmd)
extern Uint16 RamfuncsLoadStart;
extern Uint16 RamfuncsLoadEnd;
extern Uint16 RamfuncsRunStart;

void main(void)
{
unsigned int i;
InitSysCtrl();
InitGpio();
InitSpi();
MemCopy(&RamfuncsLoadStart, &RamfuncsLoadEnd, &RamfuncsRunStart);
InitFlash();

while(1)
{

GpioDataRegs.GPASET.bit.GPIOA0 = 1;

while(SpiaRegs.SPISTS.bit.BUFFULL_FLAG ==1);//wait for the SPITXBUF=empty
SpiaRegs.SPITXBUF = 0xaa01;
while(SpiaRegs.SPISTS.bit.INT_FLAG ==0);  //wait for the flag,send over
for(i=0;i<2;i++);
i=SpiaRegs.SPIRXBUF;  // clear the INT_FLAG

GpioDataRegs.GPACLEAR.bit.GPIOA0 =1;
for(i=0;i<256;i++);
}

}