飞思卡尔单片机DZ60---SCI(中断接收)

#include <hidef.h> /* for EnableInterrupts macro */#include "derivative.h" /* include peripheral declarations */#define LED_D1      PTDD_PTDD0#define LED_D1_DIR  PTDDD_PTDDD0#define LED_ON      0#define LED_OFF     1unsigned char SCANF_SEND_STRINGS[] = "HELLO MCU WORLD";unsigned char *pSendString = SCANF_SEND_STRINGS;unsigned char ReceiveString;/*************************************************************//*                  初始化总线时钟PEE模式                    *//*              外部晶振频率为4MHz，总线频率16MHz            *//*************************************************************/void INIT_MCG(void) {  MCGC2=0x36;          while(!MCGSC_OSCINIT);       MCGC1=0xb8;  while(MCGSC_IREFST);  while(MCGSC_CLKST!=0b10);  MCGC2_LP = 1;  MCGC1 = 0x90;  MCGC3 = 0x48;       MCGC2_LP = 0;  while(!MCGSC_PLLST);  while(!MCGSC_LOCK);  MCGC1 = 0x10;  while(MCGSC_CLKST!=0b11);} //延时函数void delay(void) {  unsigned int i;  unsigned int j;        for(i = 0; i < 100; i++)     for(j = 0; j < 4000; j++);  }void main(void) {  DisableInterrupts;  SOPT1 = 0;  INIT_MCG();  EnableInterrupts; /* enable interrupts */  /* include your code here */    LED_D1_DIR = 1;  LED_D1     = LED_OFF;       //以下为设置波特率，以及初始化SCI1控制寄存器    SCI1BDH = 0X00;  SCI1BDL = 0X68;//波特率设置为9600  SCI1C1 = 0x00; //设置SCI1为正常模式，八位数据位，无奇偶校验  SCI1C2 = 0x2C; //RE = 1(bit2)接收器打开                 //TE = 1(bit3)发送器打开   while(1)   {    }          for(;;) {    __RESET_WATCHDOG(); /* feeds the dog */  } /* loop forever */  /* please make sure that you never leave main */}/*************************************************************//*                SCI1中断向量接收函数                       *//*                向量编号为17，中断来源RDRF等               *//*************************************************************/interrupt 17 void SCI1_RECEIVE(void) {    while(!SCI1S1_RDRF);// SCI1S1_RDRF = 1时，表示接收数据寄存器满，可以取出数据    ReceiveString = SCI1D; //将接收寄存器中的数据保存至ReceiveString   LED_D1 = ~LED_D1;        while(!SCI1S1_TDRE);//SCI1S1_TDRE = 1时，发送数据寄存器（缓存区）空，可以发送数据    SCI1D = ReceiveString;//将接收到的数据，放至发送数据寄存器（缓存区），发送    }