CC2530與IM1281B 簡單的通信問題，回傳數值進入不了中斷-有解無憂

CC2530與IM1281B通信進入不了中斷。
大二新人，求前輩解答，請具體一點，基礎知識有點弱，可能有些地方不太懂，以下是代碼
#include "ioCC2530.h"
#include <string.h>

#define UART0_RX    1
#define UART0_TX    2

unsigned char dataRecv;
unsigned char Flag = 0;
char UartState;//串口當前狀態

typedef unsigned char uchar;
typedef unsigned int  uint;

unsigned char  Tx_Buffer[8];
unsigned char  Rx_Buffer[40];
unsigned char  read_enable,receive_finished,receive_number;
unsigned long  Voltage_data,Current_data,Power_data,Energy_data,Pf_data,CO2_data;
unsigned char Read_ID = 0x01;

/********************延時函式*************************/
void DelayMS(uint msec)
{
    uint i,j;

    for (i=0; i<msec; i++)
        for (j=0; j<1070; j++);
}
/*******************設定系統時鐘源*********************/
void InitCLK()
{
    CLKCONCMD &= ~0x40;             //設定系統時鐘源為32MHZ晶振
    while(CLKCONSTA & 0x40);        //等待晶振穩定為32M
    CLKCONCMD &= ~0x47;             //設定系統主時鐘頻率為32MHZ
}

/******************串口初始化函式**********************/
void Init_Uart0()
{

  PERCFG = 0x00;              // UART0 選擇位置0 [email protected] [email protected]
  P0SEL |= 0x0C;              // P0.3 P0.2選擇外設功能
  U0CSR |= 0xC0;              // UART模式接收器使能
  P2DIR &= ~0xc0;                 //P0優先作為UART0
  IEN1  |=0x20;
  P0IEN |= 0x08;
  U0GCR |= 7;                // 查表獲得 U0GCR 和 U0BAUD
  U0BAUD = 59;               // 4800

  URX0IF = 1;     // 使能接收中斷 IEN0@BIT2
  EA=1;
}
/******************UR0接收中斷服務函式****************/
#pragma vector = URX0_VECTOR
__interrupt void UR0_RecvInt()
{
  dataRecv = U0DBUF;   //將資料從接識訓沖區讀出

  URX0IF = 0;           //清除RX接收中斷標志


  Flag = 1;             //設定接收指令標志
}

/****************計算crc校驗碼,不必搞清怎么算的********************/
unsigned int calccrc(unsigned char crcbuf,unsigned int crc)
{
  unsigned char i;
  unsigned char chk;
  crc=crc ^ crcbuf;  //異或相同為零
  for(i=0;i<8;i++)  {
    chk=( unsigned char)(crc&1);
    crc=crc>>1;
    crc=crc&0x7fff;   //最高位置零
    if (chk==1)
      crc=crc^0xa001;   //取異或。相同為零
    crc=crc&0xffff; //自己付給自己，定值0xa001
  }
  return crc;
}
unsigned int chkcrc(unsigned char *buf,unsigned char len)
{
  unsigned char hi,lo;
  unsigned int i;
  unsigned int crc;
  crc=0xFFFF;
  for(i=0;i<len;i++)  {
    crc=calccrc(*buf,crc);
    buf++;
  }
  hi=( unsigned char)(crc%256);  //低八位
  lo=( unsigned char)(crc/256); //高八位
  crc=(((unsigned int)(hi))<<8)|lo; //高八位低八位交換位置
  return crc;
}
/******************UR0發送字串函式*****************/
void UartSend(unsigned char *Data, int len)//發送函式
{
    uint i;
   // U0CSR &= ~0x40;                    //禁止接收
    for(i=0; i<len; i++)
    {
        U0DBUF = *Data++;
        while(UTX0IF == 0);//中斷標志位為0
        UTX0IF = 0;
    }
   // U0CSR |= 0x40;                     //允許接收

}

/***********************發送‘總’函式************************/
void read_data(void) { //讀操作
  union crcdata {
    unsigned int word16;
    unsigned char  byte[2];
  }crcnow;
  if(read_enable==1)   // 到時間抄讀模塊，抄讀間隔 1 秒鐘(或其他)
  {
    read_enable=0;
  Tx_Buffer[0]=Read_ID;   //模塊的 ID 號，默認 ID 為 0x01
  Tx_Buffer[1]=0x03;
  Tx_Buffer[2]=0x00;
  Tx_Buffer[3]=0x48;
  Tx_Buffer[4]=0x00;
  Tx_Buffer[5]=0x08;
  crcnow.word16=chkcrc(Tx_Buffer,6);
  Tx_Buffer[6]=crcnow.byte[1];    //CRC 效驗低位元組在前
  Tx_Buffer[7]=crcnow.byte[0];
  UartSend(Tx_Buffer,8);        //發送 8 個資料，請根據單片機型別自己編程
  }
}

/*******************驗證發送是否有錯誤，廠家所給*********************/
void Analysis_data(void) {
    union crcdata {
      unsigned int word16;
      unsigned char  byte[2];
    }crcnow;
    if(receive_finished==1)  //接收完成
    {
      receive_finished=0;
      if(
         Rx_Buffer[0]==Read_ID)  //確認 ID 正確
      {
        crcnow.word16=chkcrc(Rx_Buffer,receive_number-2);  //receive_numbe 是接收資料總長度
          if((crcnow.byte[0]==Rx_Buffer[receive_number-1])&&(crcnow.byte[1]==Rx_Buffer[receive_number-2]))

//確認 CRC 校驗正確
              {
                  Voltage_data=https://bbs.csdn.net/topics/(((unsigned long)(Rx_Buffer[3]))<<24)|(((unsigned long)(Rx_Buffer[4]))<<16)|(((unsigned long)(Rx_Buffer[5]))<<8)|Rx_Buffer[6];
                  Current_data=https://bbs.csdn.net/topics/(((unsigned long)(Rx_Buffer[7]))<<24)|(((unsigned long)(Rx_Buffer[8]))<<16)|(((unsigned long)(Rx_Buffer[9]))<<8)|Rx_Buffer[10];
                  Power_data=https://bbs.csdn.net/topics/(((unsigned long)(Rx_Buffer[11]))<<24)|(((unsigned long)(Rx_Buffer[12]))<<16)|(((unsigned long)(Rx_Buffer[13]))<<8)|Rx_Buffer[14];
                  Energy_data=https://bbs.csdn.net/topics/(((unsigned long)(Rx_Buffer[15]))<<24)|(((unsigned long)(Rx_Buffer[16]))<<16)|(((unsigned long)(Rx_Buffer[17]))<<8)|Rx_Buffer[18];
                  Pf_data=https://bbs.csdn.net/topics/(((unsigned long)(Rx_Buffer[19]))<<24)|(((unsigned long)(Rx_Buffer[20]))<<16)|(((unsigned long)(Rx_Buffer[21]))<<8)|Rx_Buffer[22];
                  CO2_data=https://bbs.csdn.net/topics/(((unsigned long)(Rx_Buffer[23]))<<24)|(((unsigned long)(Rx_Buffer[24]))<<16)|(((unsigned long)(Rx_Buffer[25]))<<8)|Rx_Buffer[26];
              }
      }
    }
  }
/*************************主函式*********************/
void main()
{
  Init_Uart0();                              //初始化串口0
  InitCLK();                                //設定系統時鐘源
  P0SEL &= 0xff;
  UartState = UART0_TX;                      //串口0默認處于發送模式

  while(1)
  {

    if(UartState == UART0_TX)
      {

        DelayMS(1);
        read_enable=1;
        read_data();
        UartState = UART0_RX;
      }
    if(UartState == UART0_RX)
      {
        receive_finished = 0;
        receive_number = 0;
     //   DelayMS(1000);
        while(Flag == 1)
        {
          if(receive_number<37)
          {
            Rx_Buffer[0]=dataRecv;
            //Rx_Buffer[receive_number++]=dataRecv;
            receive_number++;
          }
          if(receive_number==37)
            {
              UartState = UART0_TX;
              receive_finished = 1;
              Analysis_data();
              Flag=0;

            }

         }
       UartState = UART0_TX;
   //   UTX0IF = 0; //接收標志位
      }

  }
}

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標籤：硬件使用

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