光伏电子工程的设计与实施2022 赛题2单片机代码

#include "modbus.h" unsigned char sendBuf[50]; const unsigned char code 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*/ const unsigned char code 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 } ; /**************************************************** /////**************CRC校验码生成函数 ***************/ unsigned int CRC16_Check(unsigned char *puchMsg,unsigned int usDataLen)//CRC16校验 { 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 (uchCRCLo << 8 | uchCRCHi) ; } void RS485_init()//485初始化 { UartInit4(); EN_485 = 0;//接收状态 } void RS485_Send(unsigned char *p,unsigned char len)//485发送字符串 { unsigned char i; EN_485 = 1; //处于发送 for(i=0;i<len;i++) //循环发送所有数据 Uart4_f(p[i]);//发送单个数据 EN_485 = 0; //发送完后将485置于接收状态 receCount = 0; //清接收地址偏移寄存器 } //------------------------------------定时处理-------------------------------- void timeProc(void) { if(bt1ms) { bt1ms = 0; if(receTimeOut>0) { receTimeOut--; if(receTimeOut==0 && receCount>0) //判断通讯接收是否超时 { EN_485 = 0; //将485置为接收状态 receCount = 0;// //将接收地址偏移寄存器清零 } } } } /************************************************ //fuction:01 读单个或多个线圈状态 //主机发送 地址 + 功能码 + 起始地址（2个字节） + 线圈数量 （2个字节） + 校验码 //从机返回 地址 + 功能码 + 字节数+ 线圈状态 + 校验码 **************************************************/ void readCoils(void) //fuction:01 读单个或多个线圈状态 { unsigned int addr; unsigned int tempAddr; unsigned int byteCount; unsigned int bitCount; unsigned int crcData; unsigned int i,k; unsigned int tempData; unsigned char exit = 0; addr=(receBuf[2]<<8+receBuf[3]); tempAddr = addr; //读取地址 bitCount = (receBuf[4]<<8) + receBuf[5]; //读取的位个数 byteCount = bitCount / 8; //字节个数 if(bitCount%8 != 0) //不能整除加一个字节 byteCount++; for(k=0;k<byteCount;k++) { sendBuf[k+3]=0; for(i=0;i<8;i++) { getCoilVal(tempAddr,&tempData);//一位一位读取 sendBuf[k+3] |= tempData<<i;//移位完成一个字节 tempAddr++;//地址加1 if(tempAddr>=addr+bitCount)//判读是否要读取的位都读好，读好后设定标志位 { exit = 1; break; //跳出i语句循环 } } if(exit == 1) break ;//跳出k语句循环 } sendBuf[0]=LocalAddr; //单片机控制板的地址 sendBuf[1]=0x01; //发送功能码 sendBuf[2]=byteCount; //发送字节数 byteCount+=3; //CRC16校验个数 crcData=CRC16_Check(sendBuf,byteCount);//crc16校验 sendBuf[byteCount++] = crcData & 0xff; //发送crc16校验低八位校验码 sendBuf[byteCount++] = crcData >> 8; //发送crc16校验高八位校验码 RS485_Send(sendBuf,byteCount); } /************************************************ //fuction:02 读单个或多个线圈状态 //主机发送 地址 + 功能码 + 起始地址（2个字节） + 输入点数量 （2个字节） + 校验码 //从机返回 地址 + 功能码 + 字节数+ 输入点状态 + 校验码 **************************************************/ void readInPutCoils(void) //fuction:02 读取线圈输入（只读寄存器）状态 { unsigned int addr; unsigned int tempAddr; unsigned int byteCount; unsigned int bitCount; unsigned int crcData; unsigned int i,k; unsigned int tempData; unsigned char exit = 0; addr=(receBuf[2]<<8+receBuf[3])+10000; tempAddr = addr; //读取地址 bitCount = (receBuf[4]<<8) + receBuf[5]; //读取的位个数 byteCount = bitCount / 8; //字节个数 if(bitCount%8 != 0) byteCount++; for(k=0;k<byteCount;k++) { sendBuf[k+3]=0; for(i=0;i<8;i++) { getCoilVal(tempAddr,&tempData);//一位一位读取 sendBuf[k+3] |= tempData<<i;//移位完成一个字节 tempAddr++;//地址加1 if(tempAddr>=addr+bitCount)//判读是否要读取的位都读好，读好后设定标志位 { exit = 1; break; //跳出i语句循环 } } if(exit == 1) break ;//跳出k语句循环 } sendBuf[0]=LocalAddr; //单片机控制板的地址 sendBuf[1]=0x02; //发送功能码 sendBuf[2]=byteCount; //发送字节数 byteCount+=3; //CRC16校验个数 //加上前面的地址，功能码，地址 共3+byteCount个字节 crcData=CRC16_Check(sendBuf,byteCount);//crc16校验 sendBuf[byteCount++] = crcData & 0xff; //发送crc16校验低八位校验码 sendBuf[byteCount++] = crcData >> 8; //发送crc16校验高八位校验码 RS485_Send(sendBuf,byteCount); } /********function