双机通信 通过spi

#include <hidef.h>      /* common defines and macros */
#include "derivative.h"      /* derivative-specific definitions */
#include <math.h>
#include <MC9S12XS128.h> 
#include <stdlib.h>               //先前测试的可以站立的P和D值分别是6.15   0.105


int t1=0,t2=0;
void SPI (void) 
{

SPI0CR1=0b01001100;
DDRM=0x04; 
PTM_PTM2=1;
SPI0CR2=0x00;   
}


void delay(int time)
{
for(t2=0;t2<time;t2++)
{
for(t1=0;t1<100;t1++)
{
}
}
}

 void DanZiJie(void) 
 {