[问答]

MPS430串口程序，配合M430F149调试不成功，求大神指教

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问答对人有帮助，内容完整，我也想知道答案 0 程序后半段红色字体部分总是调试不成功，貌似到了看门狗那块就不执行了，问题出在哪了呢？？？求大神指教 #include unsigned char temp[17]={0}; //接收存储器 unsigned char sendstr[9]={0x01,0x03,0x04,0x11,0x22,0x33,0x44,0x00,0x00}; //待发送数据， CRC要等待发送时填写 unsigned char usartcount=0; //串口接收数据个数，仅用于串口中断程序 unsigned int c[9],c1[9]; //存放一次采集中的9对数据 unsigned int A=0, B=0; unsigned int a=0; unsigned int Binted=0,Ainted=0; unsigned int m=0; unsigned int thereData=0; unsigned int ta[50],tb[50]; //50次采集数据的数据缓冲区 unsigned int pt=0; //数据缓冲区指针 unsigned long int suma=0,sumb=0; //缓冲区数据和 unsigned int midle(unsigned int a,unsigned int n); /用于crc校验的两个数组/ static unsigned char auchCRCHi[] = { 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 }; / CRC低位字节值表/ static char auchCRCLo[] = { 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26, 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C, 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, 0x40 }; / 要进行CRC校验的消息消息中字节数 / unsigned short CRC16(unsigned char puchMsg,unsigned short usDataLen ) { unsigned char uchCRCHi = 0xFF ; //高CRC字节初始化 unsigned char uchCRCLo = 0xFF ; //低CRC 字节初始化 unsigned int uIndex; //CRC循环中的索引 while(usDataLen--) //传输消息缓冲区 { uIndex = uchCRCHi^puchMsg++ ;//计算CRC uchCRCHi = uchCRCLo^auchCRCHi[uIndex]; uchCRCLo = auchCRCLo[uIndex]; } return (uchCRCHi<<8\|uchCRCLo);//返回低位在前的CRC值 } void DelayMs(unsigned int i) //1ms延时 { while(i--) { unsigned int j; for(j=1;j<=666;j++); } } void InitSys() { _DINT(); BCSCTL1 &=~XT2OFF; while ((IFG1 & OFIFG))//判断XT2是否起振 { IFG1 &= ~OFIFG; //清除振荡器失效标志 for (int iq0 = 0xFF; iq0 > 0; iq0--); //延时，等待XT2起振 } BCSCTL2 =SELM1+SELS; } void trans( unsigned char i ) { TXBUF1=i; while(!(IFG2&UTXIFG1)) ; } #pragma vector=TIMERA0_VECTOR __interrupt void TIMER_cc(void) { TAR=0; //计数主体清零，给CCR1清零 A=CCR0;//临时保存TIMERA0的计数 if(Binted) { Ainted=1; Binted=0; } } #pragma vector = TIMERA1_VECTOR __interrupt void TIMER_A(void) { if(TAIV==2) //TIMERA1上升沿触发 { TAR=0; //计数主体清零，给CCR0清零 B=CCR1;//临时保存CCR1的值 Binted=1; if(Ainted&&Binted) { if(a<9) { c[a]=A; c1[a]=B; a++; } Ainted=0; } } } #pragma vector=TIMERB0_VECTOR __interrupt void Timer_B (void) { _EINT(); if(m<7) //65535定时器中断次数小于7，表示定时次数（时间）少 { m++;} else //等于7表示等待定时次数到可以开始采集数据了 { a=0; TACCTL0=CM_1+CCIS_0+CAP+CCIE; TACCTL1=CM_1+CCIS_0+CAP+CCIE; while(a<9); //等待采集完9个数据 TACCTL0=CM_1+CCIS_0+CAP+0; TACCTL1=CM_1+CCIS_0+CAP+0; thereData=1; //标记一次数据采集完成 m=0; //为下一次定时准备 } } #pragma vector = UART1RX_VECTOR __interrupt void USART1_RX(void) { int n;//普通循环变量 while(!(IFG2&UTXIFG1)); temp[usartcount]=RXBUF1; //把接收到的数据保存 usartcount++; if(temp[0]==sendstr[0]) { if(usartcount>=2) { if(temp[1]==6){} //接收命令 else if(temp[1]==3) { if(usartcount==8)//如果接收完毕，8个字符 { if(CRC16(temp,8)==0)//CRC校验 { P3OUT =0x08;//使能发送,停止接收 DelayMs(2); sendstr[8]=(CRC16(sendstr,7)&0X00FF); //计算CRCL sendstr[7]=((CRC16(sendstr,7)>>8)&0X00FF); //计算CRCH for(n=0;n<9;n++) trans(sendstr[n]); //返回应答数据 usartcount=0; DelayMs(2); P3OUT =0x00; } else usartcount=0; } } else usartcount=0;//接收计数清零 } } else usartcount=0;//接收计数清零 } unsigned int midle(unsigned int a,unsigned int n) { unsigned int i,j,t; for(i=0;i if(a[j]>a[j+1]) {t=a[j]; a[j]=a[j+1]; a[j+1]=t;} return a[n/2]; } int main(void) { WDTCTL = WDTPW + WDTHOLD; // Stop WDT InitSys(); TBCCTL0 = CCIE; // TBCCR0 interrupt enabled TBCCR0 = 65535; TBCTL = TBSSEL_2+MC_1; // SMCLK, up mode TACTL=TASSEL_2+MC_2+TACLR; TACCTL0=CM_1+CCIS_0+CAP+CCIE; TACCTL1=CM_1+CCIS_0+CAP+CCIE; P1DIR=0x00; P1SEL=0xFF; P4DIR=0xFF; P4SEL=0x00; P3DIR =0x48; P3SEL \|= 0xc0; // 选择P3.6和P3.7做UART通信端口 P3OUT =0x00; ME2 \|= URXE1+UTXE1; // 使能USART0的发送和接受 UCTL1 = CHAR; UTCTL1 = SSEL0 + SSEL1; // UCLK = SMCLK UBR01 = 0x41;//串口1 UBR11 = 0x03; UMCTL1 = 0x00; // Modulation UCTL1 &= ~SWRST; // 初始化UART状态机 IE2 \|= URXIE1; // 使能USART1的接收中断 IFG2 &=~UTXIFG0; TACCTL0=CM_1+CCIS_0+CAP+0; TACCTL1=CM_1+CCIS_0+CAP+0; _EINT(); while (1) { if(thereData) { if(pt>49){pt=0;} else { suma-=ta[pt]; sumb-=tb[pt]; ta[pt]=midle(c,8); tb[pt]=midle(c1,8); suma+=ta[pt]; sumb+=tb[pt]; sendstr[3]=(suma/50)/256; sendstr[4]=(suma/50)%256; sendstr[5]=(sumb/50)/256; sendstr[6]=(sumb/50)%256; pt++; thereData=0; } } } } 0
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