- 这是我几年前写的一个关于MODBUS RTU MASTER的C语言代码，用于嵌入式控制器内。另一个触摸屏MCGS_E作为MODBUS RTU SLAVE。
- 下面是相关代码，以前测试过，可以运行。由于目前的代码尚有很多地方值得改进，所以近期想把它改进重写。高手们有什么建议，请多多赐教。
- 若您找到网络上有共享的MODBUS的源代码，请与我分享。非常感谢。
- 下面没有main()函数，大家可以自己写个，把ListenToTouch函数放进去就可以了。
/*********************************************************************************//*函数名称:strmcpy()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：*需储存的参数： 共 个参数；*功能介绍：(1)字符数组拷贝；*修改日志：*[2006-3-6 17:07] Ver. 1.00开始编写；完成；/* *//*********************************************************************************/void strmcpy(unsigned char dest[], unsigned char src[], int count){int i;for(i = 0; i < count; i ++){dest[i] = src[i];}dest[i] = '/0';}/*****************************************************************************//*********************************************************************************//*函数名称:bitmcpy()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：*需储存的参数： 共 个参数；*功能介绍：(1)开关量数组拷贝；*修改日志：*[2006-3-7 14:59] Ver. 1.00开始编写；完成；/* *//*********************************************************************************/void bitmcpy(int dest[], int src[], int count){int i;for(i = 0; i < count; i ++){dest[i] = src[i];}}/*****************************************************************************//*********************************************************************************//*函数名称:strmcmp()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：*需储存的参数： 共 个参数；*功能介绍：(1)字符数组比较；相同则返回0，不相同则返回1；*修改日志：*[2006-3-6 17:41] Ver. 1.00开始编写；完成；/* *//*********************************************************************************/int strmcmp(unsigned char str1[], unsigned char str2[], int count){int i;for(i = 0; i < count; i ++){if(str1[i] != str2[i]){return 1;}}return 0;}/*****************************************************************************//*********************************************************************************//*函数名称:Datamcmp()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：*需储存的参数： 共 个参数；*功能介绍：(1)浮点数组比较；相同则返回0，不相同则返回1；*修改日志：*[2006-3-6 18:05] Ver. 1.00开始编写；完成；*[2006-3-9 13:52]加了一层括号，以前是错误的if(!((data1[i] - data2[i] < 0.0001) && (data1[i] - data2[i] > -0.0001)))/* *//*********************************************************************************/int Datamcmp(float data1[], float data2[], int count){int i;for(i = 0; i < count; i ++){if(!((data1[i] - data2[i] < 0.0001) && (data1[i] - data2[i] > -0.0001))){return 1;}}return 0;}/*****************************************************************************//*********************************************************************************//*函数名称:Bitmcmp()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：*需储存的参数： 共 个参数；*功能介绍：(1)开关量数组比较；相同则返回0，不相同则返回1；*修改日志：*[2006-3-6 18:10] Ver. 1.00开始编写；完成；/* *//*********************************************************************************/int Bitmcmp(int data1[], int data2[], int count) { int i;for(i = 0; i < count; i ++){if(data1[i] != data2[i]){return 1;}}return 0;}/*****************************************************************************//*********************************************************************************//*函数名称:GetCRC16()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：*需储存的参数： 共 个参数；*功能介绍：(1)CRC16校验； 返回校验码；*修改日志：*[2005-11-28 16:40] Ver. 1.00开始编写；完成；/* *//*********************************************************************************/unsigned short GetCRC16(unsigned char *puchMsg, unsigned short usDataLen) { /* CRC 高位字节值表 */ unsigned char auchCRCHi[256] = {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}; unsigned char auchCRCLo[256] = {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};unsigned char uchCRCHi = 0xFF ; /* 高CRC字节初始化 */ unsigned char uchCRCLo = 0xFF ; /* 低CRC 字节初始化 */ unsigned uIndex = 0; /* 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 (unsigned short)((unsigned short)uchCRCHi << 8 | uchCRCLo) ; } /*****************************************************************************//*********************************************************************************//*函数名称:SendRtuCmdToModBus()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：无*需储存的参数： 共 个参数；*功能介绍：(1)发送ModBus RTU 指令到 Modbus Slave,加上CRC16校验码； *修改日志：*[2005-11-28 16:40] Ver. 1.00开始编写；完成；*[2006-3-1 9:02]返回类型改为void；/* *//*********************************************************************************/void SendRtuCmdToModBus(int ModPort, unsigned char cmd[], unsigned short len){ unsigned short CRC16; CRC16=GetCRC16(cmd,len); ToComBufn(ModPort,cmd,len); ToCom(ModPort, (unsigned char)(CRC16 >> 8 & 0x00FF)); /* send CRC16 high */ ToCom(ModPort, (unsigned char)(CRC16 & 0x00FF)); /* send CRC16 low */ }/*****************************************************************************//*********************************************************************************//*函数名称:ReadModBusRtuSlave()*输入参数：共 8 个参数；*输出参数：共 5 个参数；*返回值：成功与否1：成功， 2：失败；*需储存的参数： 共 0 个参数；*功能介绍：(1)读取ModBusRtuSlave，并解码输出反馈字符串相关内容； ReadModBusRtuSlave(COMPORT1, ModAddr, ModFunction, ModByteNum, ModData, &ModDataLen, ModTimeout=10, waitTime=30)*修改日志：*[2005-11-28 16:40] Ver. 1.00开始编写；完成；*[2006-3-1 9:23]增加了int counter = 0;unsigned char ModBusMessage[MOD_STR_MAX_LEN];*[2006-3-1 13:46]增加了 strmcpy(ModData, ModBusMessage + 3, ModBusIdx - 5);/* *//*********************************************************************************/int ReadModBusRtuSlave(int ModPort, unsigned char *ModAddr, unsigned char *ModFunction, unsigned char *ModByteNum, unsigned char ModData[], unsigned char *ModDataLen, unsigned ModTimeout, unsigned waitTime){ unsigned char data; unsigned long t; int i;unsigned short CRC16;int ModBusIdx = 0;int counter = 0;unsigned char ModBusMessage[MOD_STR_MAX_LEN] = {'/0'}; while((!(IsCom(ModPort)) && (counter < waitTime))){DelayMs(1);counter ++;}StopWatchStart(MODBUS_STOP_WATCH); do { while(IsCom(ModPort) && (ModBusIdx < MOD_STR_MAX_LEN - 1)) { data = ReadCom(ModPort); ModBusMessage[ModBusIdx ++]=data; StopWatchStart(MODBUS_STOP_WATCH);/* Print("[%02X]",data); */ } StopWatchReadValue(MODBUS_STOP_WATCH, &t);} while(t <= ModTimeout); if (ModBusIdx == 0) return 0; ModBusMessage[ModBusIdx] = '/0'; StopWatchStop(MODBUS_STOP_WATCH); CRC16 = GetCRC16(ModBusMessage,ModBusIdx - 2);/* for(i=0; i> 8 & 0x00FF) == ModBusMessage[ModBusIdx - 2] && (unsigned char)(CRC16 & 0x00FF) == ModBusMessage[ModBusIdx - 1]){*ModAddr = ModBusMessage[0];*ModFunction = ModBusMessage[1];*ModByteNum = ModBusMessage[2];strmcpy(ModData, ModBusMessage + 3, ModBusIdx - 5);/*Print(" idx%d ", ModBusIdx - 5);/*test*//*for(i = 3; i < ModBusIdx - 2; i++){ModData[i - 3] = ModBusMessage[i];}ModData[i] = '/0';*/ *ModDataLen = ModBusIdx - 5; /*Print("{DataLen=%d}/n/r", *ModDataLen);*/ return 1;}else {*ModDataLen = 0;return 0;/* CRC16 error *//*Print("{CRC16 Error}/n/r");*/} }/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:ResponseFromModBusRtuSlave()*输入参数：共 8 个参数；*输出参数：共 5 个参数；*返回值：成功与否1：成功， 2：失败；*需储存的参数： 共 0 个参数；*功能介绍：(1)写参数到ModBusRtuSlave后，ModbusRtuSlave反馈字符串；*修改日志：*[2006-3-1 12:34] Ver. 1.00开始编写；*[2006-3-1 12:48]完成；*[2006-3-6 16:32]strcpy(totalStr, ModBusMessage);改为 strmcpy(totalStr, ModBusMessage, ModBusIdx);/* *//*********************************************************************************/int ResponseFromModBusRtuSlave(int ModPort, unsigned char totalStr[], unsigned char *ModAddr, unsigned char *ModFunction, unsigned short *ModDataAddr, unsigned short *ModDataNum, unsigned ModTimeout, unsigned waitTime){ unsigned char data; unsigned long t; unsigned short CRC16;int ModBusIdx = 0;int counter = 0;unsigned char ModBusMessage[MOD_STR_MAX_LEN] = {'/0'}; while((!(IsCom(ModPort)) && (counter < waitTime))){DelayMs(1);counter ++;}StopWatchStart(MODBUS_STOP_WATCH); do { while(IsCom(ModPort) && (ModBusIdx < MOD_STR_MAX_LEN - 1)) { data = ReadCom(ModPort); ModBusMessage[ModBusIdx ++]=data; StopWatchStart(MODBUS_STOP_WATCH);/* Print("[%02X]",data); */ } StopWatchReadValue(MODBUS_STOP_WATCH, &t);} while(t <= ModTimeout); if (ModBusIdx == 0) return 0; ModBusMessage[ModBusIdx] = '/0'; strmcpy(totalStr, ModBusMessage, ModBusIdx); StopWatchStop(MODBUS_STOP_WATCH); CRC16 = GetCRC16(ModBusMessage,ModBusIdx - 2);if((unsigned char)(CRC16 >> 8 & 0x00FF) == ModBusMessage[ModBusIdx - 2] && (unsigned char)(CRC16 & 0x00FF) == ModBusMessage[ModBusIdx - 1]){*ModAddr = ModBusMessage[0];*ModFunction = ModBusMessage[1];*ModDataAddr = (unsigned short)((unsigned short)ModBusMessage[2] << 8 | ModBusMessage[3]);*ModDataNum = (unsigned short)((unsigned short)ModBusMessage[4] << 8 | ModBusMessage[5]); return 1;}else {return 0;/* CRC16 error *//*Print("{CRC16 Error}/n/r");*/} }/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:ResponseSingleBitFromModBus()*输入参数：共 8 个参数；*输出参数：共 5 个参数；*返回值：成功与否1：成功， 2：失败；*需储存的参数： 共 0 个参数；*功能介绍：(1)写参数到ModBusRtuSlave后，ModbusRtuSlave反馈字符串；*修改日志：*[2006-3-7 14:40] Ver. 1.00开始编写；*[2006-3-7 14:40]完成；/* *//*********************************************************************************/int ResponseSingleBitFromModBus(int ModPort, unsigned char totalStr[], unsigned char *ModAddr, unsigned char *ModFunction, unsigned short *ModDataAddr, unsigned short *ModDataState, unsigned ModTimeout, unsigned waitTime){ unsigned char data; unsigned long t; unsigned short CRC16;int ModBusIdx = 0;int counter = 0;unsigned char ModBusMessage[MOD_STR_MAX_LEN] = {'/0'}; while((!(IsCom(ModPort)) && (counter < waitTime))){DelayMs(1);counter ++;}StopWatchStart(MODBUS_STOP_WATCH); do { while(IsCom(ModPort) && (ModBusIdx < MOD_STR_MAX_LEN - 1)) { data = ReadCom(ModPort); ModBusMessage[ModBusIdx ++]=data; StopWatchStart(MODBUS_STOP_WATCH);/* Print("[%02X]",data); */ } StopWatchReadValue(MODBUS_STOP_WATCH, &t);} while(t <= ModTimeout); if (ModBusIdx == 0) return 0; ModBusMessage[ModBusIdx] = '/0'; strmcpy(totalStr, ModBusMessage, ModBusIdx); StopWatchStop(MODBUS_STOP_WATCH); CRC16 = GetCRC16(ModBusMessage,ModBusIdx - 2);if((unsigned char)(CRC16 >> 8 & 0x00FF) == ModBusMessage[ModBusIdx - 2] && (unsigned char)(CRC16 & 0x00FF) == ModBusMessage[ModBusIdx - 1]){*ModAddr = ModBusMessage[0];*ModFunction = ModBusMessage[1];*ModDataAddr = (unsigned short)((unsigned short)ModBusMessage[2] << 8 | ModBusMessage[3]);if(ModBusMessage[4]) *ModDataState = 1;else *ModDataState = 0; return 1;}else {return 0;/* CRC16 error *//*Print("{CRC16 Error}/n/r");*/} }/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:ChangeAllParameterDataByModBus()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：无*需储存的参数： 共 个参数；*功能介绍：(1) 将MODBUSSLAVE返回的数据字符转化为参数值；(2) void *memcpy(void *dest, const void *src, size_t n)(3) 四个字符的顺序应倒一下。*修改日志：*[2006-3-1 14:10] Ver. 1.00开始编写；*[2006-3-1 14:35]完成；*[2006-3-6 15:57]四个字符的顺序应倒一下。/* *//*********************************************************************************/void ChangeAllParameterDataByModBus(float parameterData[], unsigned char ModDataBack[], unsigned short num){int i;char singleStr[5] = {'/0','/0','/0','/0','/0'};float *pf; float dataf = 0; int len = 4; pf = &dataf; for(i = 0; i < num; i ++){singleStr[0] = ModDataBack[i * 4 + 3];singleStr[1] = ModDataBack[i * 4 + 2];singleStr[2] = ModDataBack[i * 4 + 1];singleStr[3] = ModDataBack[i * 4 ];singleStr[4] = '/0';memcpy(pf, singleStr, len);parameterData[i] = *pf;/*Print("%-6.2f/t", parameterData[i]);/*test*/}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:ChangeAllButtonsDataByModBus()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：无*需储存的参数： 共 个参数；*功能介绍：(1) 将MODBUSSLAVE返回的数据字符转化为按钮值；*修改日志：*[2006-3-1 14:03] Ver. 1.00开始编写；*[2006-3-1 14:10]完成；/* *//*********************************************************************************/void ChangeAllButtonsDataByModBus(int buttonData[], unsigned char ModDataBack[], unsigned short num){unsigned char button8Data = 0;int i, j;for(j = 0; j < (int)(num / 8); j ++){button8Data = ModDataBack[j];for(i = 0; i < 8; i ++){buttonData[i + j * 8] = (int)(button8Data & (int) pow(2, i)) / (int) pow(2, i);}}button8Data = ModDataBack[j];for(i = 0; i < num % 8; i ++){buttonData[i + j * 8] = (int)(button8Data & (int) pow(2, i)) / (int) pow(2, i);}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:WordDataToModbusStr()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：无*需储存的参数： 共 个参数；*功能介绍：(1)parameterData 或AIData转化为MODBUSSLAVE的WORD值的STR； (2) void *memcpy(void *dest, const void *src, size_t n)(3) 四个字符的顺序应倒一下。*修改日志：*[2006-3-1 14:37] Ver. 1.00开始编写；*[2006-3-1 14:49]完成；*[2006-3-6 15:57]四个字符的顺序应倒一下。/* *//*********************************************************************************/void WordDataToModbusStr(unsigned char writeCmdStr[], float data[], unsigned short num, unsigned short startAddr){int i;char singleStr[5] = {'/0','/0','/0','/0','/0'};float *pf;unsigned char *pstr; float dataf = 0; int len = 4; pf = &dataf; pstr = singleStr; for(i = 0; i < num; i ++){*pf = data[i];memcpy(pstr, pf, len);writeCmdStr[startAddr + i * 4 + 3] = singleStr[0];writeCmdStr[startAddr + i * 4 + 2] = singleStr[1];writeCmdStr[startAddr + i * 4 + 1] = singleStr[2];writeCmdStr[startAddr + i * 4 ] = singleStr[3];}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:BitDataToModbusStr()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：无*需储存的参数： 共 个参数；*功能介绍：(1)data转化为MODBUSSLAVE的WORD值的STR； *修改日志：*[2006-3-1 14:51] Ver. 1.00开始编写；*[2006-3-1 15:02]完成；/* *//*********************************************************************************/void BitDataToModbusStr(unsigned char writeCmdStr[], int data[], unsigned short num, unsigned short startAddr){int i, j;unsigned char button8Data = 0;for(j = 0; j < (int)(num / 8); j ++){button8Data = 0;for(i = 0; i < 8; i ++){button8Data += data[i + j * 8] * (int) pow(2, i);}writeCmdStr[startAddr + j] = button8Data;}if(num % 8){button8Data = 0;for(i = 0; i < num % 8; i ++){button8Data += data[i + j * 8] * (int) pow(2, i);}writeCmdStr[startAddr + j] = button8Data;}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:ReadWordFromModBusSlave()*输入参数：共 2 个参数；*输出参数：共 1 个参数；*返回值：成功与否；*需储存的参数： 共 1 个参数；*功能介绍：(1) 从触摸屏中读取设定参数值；(2) 读取指令为 01 03 HA LA HN LN HC LC；其中 01 为MODBUSSLAVE的地址， 03 为读连续多个WORD寄存器的功能码，HA LA 为第一个寄存器的高低位地址， HN LN 为寄存器数量的高低位，HC LC 为CRC校验码；(3) 触摸屏reset后各个参数归零，7188检测到此状态后向除摸屏发送设定参数；*修改日志：*[2005-11-28 16:51] Ver. 1.00开始编写；*[2005-11-28 18:10]完成初稿，未测试；*[2006-3-3 9:38]static unsigned char oldModDataBack[400];改为形参；*[2006-3-3 17:58]增加int kind形参；*[2006-3-6 16:34]strmcpy(oldModDataBack, ModDataBack, ModDataLenBack);*[2006-3-9 12:33]去掉(strmcmp(oldModDataBack, ModDataBack, ModDataLenBack))/* *//*********************************************************************************/int ReadWordFromModBusSlave(int kind, int comPort, float parameterData[], unsigned short num, unsigned short ModDataAddr, int parameterEEPROMAddr, unsigned char oldModDataBack[]){float parameterJudge[50];unsigned char readCmdStr[15];unsigned char ModAddr = 1;unsigned char ModFunction = 3;unsigned short ModDataNum;unsigned short readCmdLen = 6;int isReadOK = 0;unsigned char ModAddrBack = 0;unsigned char ModFunctionBack = 0;unsigned char ModByteNumBack = 0;unsigned char ModDataBack[MOD_STR_MAX_LEN] = {'/0'};unsigned char ModDataLenBack = 0;/*unsigned short ModWord[100];*/int parameterDecimalEEPROM[PARAMETER_DATA_NUM] = PARAMETER_DECIMAL_EEPROM;/* adjust */int parameterStartAddr = 0;char i7188Addr[5];strcpy(i7188Addr, I7188_ADDRESS);/* adjust */if(kind == 1){strcpy(i7188Addr, I7188_ADDRESS);}else if(kind == 2){strcpy(i7188Addr, I7188_ADDRESS_2);}else if(kind == 3){strcpy(i7188Addr, I7188_ADDRESS_3);}ModDataNum = (unsigned short)num * 2;readCmdStr[0] = ModAddr;readCmdStr[1] = ModFunction; readCmdStr[2] = (unsigned char)(ModDataAddr >> 8 & 0x00FF);readCmdStr[3] = (unsigned char)(ModDataAddr & 0x00FF);readCmdStr[4] = (unsigned char)(ModDataNum >> 8 & 0x00FF);readCmdStr[5] = (unsigned char)(ModDataNum & 0x00FF);readCmdStr[6] = '/0';ClearCom(comPort);SendRtuCmdToModBus(comPort, readCmdStr, readCmdLen);isReadOK = ReadModBusRtuSlave(comPort, &ModAddrBack, &ModFunctionBack, &ModByteNumBack, ModDataBack, &ModDataLenBack, MOD_TIMEOUT, MOD_WAITTIME);if (1 == isReadOK){if((ModAddr == ModAddrBack) && (ModFunction == ModFunctionBack) && (ModByteNumBack == ModDataLenBack)) {if (ModDataNum * 2 == ModDataLenBack)/*!!!*/{ChangeAllParameterDataByModBus(parameterJudge, ModDataBack, num);/*Print(" %f %f %f /t", parameterData[0], parameterData[1],parameterData[2]);Print("/n%f %f %f /t", parameterJudge[0], parameterJudge[1],parameterJudge[2]);*/if(parameterJudge[0] >= 0.1)/* 以温度设定值为判断点判断正确性 */{/*Print(" cp1.5 /n");*/if(Datamcmp(parameterData, parameterJudge, num)){Print(" cp1.6 /n");ChangeAllParameterDataByModBus(parameterData, ModDataBack, num);if(IS_RS485) Set485DirToTransmit(COMPORT1);SendParameterDataToPCForwardly(COMPORT1, parameterData, i7188Addr);if(IS_RS485) WaitTransmitOver(COMPORT1);if(IS_RS485) {DelayMs(2); Set485DirToReceive(COMPORT1);}WriteDataToEEPROM(parameterData, parameterDecimalEEPROM, num, parameterEEPROMAddr, parameterStartAddr);}strmcpy(oldModDataBack, ModDataBack, ModDataLenBack);}else{/*未初始化，发送数据以初始*/WriteMultipleWordToModBusSlave(comPort, parameterData, num, ModDataAddr);}/*Print("/n %f %f %f /t", parameterData[0], parameterData[1],parameterData[2]); */}return 1;}else{/*收到的字符串不匹配*/return 0;}}else{/*未收到字符串或CRC校验出错*/return 0;}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:ReadBitFromModBusSlave()*输入参数：共 2 个参数；*输出参数：共 1 个参数；*返回值：成功与否；*需储存的参数： 共 1 个参数；*功能介绍：(1) 从触摸屏中读取按钮值；(2) 读取指令为 01 01 HA LA HN LN HC LC；其中 01 为MODBUSSLAVE的地址， 01 为读连续多个BIT线圈的功能码，HA LA 为第一个BIT的高低位地址， HN LN 为BIT数量的高低位，HC LC 为CRC校验码；*修改日志：*[2005-11-28 18:10] Ver. 1.00开始编写；*[2005-11-28 18:42]完成初稿，未测试；*[2006-3-3 9:38]static unsigned char oldModDataBack[400];改为形参；*[2006-3-3 17:58]增加int kind形参；*[2006-3-6 16:35]strmcpy(oldModDataBack, ModDataBack, ModDataLenBack);*[2006-3-9 12:35]去掉 (strmcmp(oldModDataBack, ModDataBack, ModDataLenBack))/* *//*********************************************************************************/int ReadBitFromModBusSlave(int kind, int comPort, int buttonData[], unsigned short num, unsigned short ModDataAddr, int buttonNVRAMAddr, unsigned char oldModDataBack[]){int buttonJudge[30];unsigned char readCmdStr[15];unsigned char ModAddr = 1;unsigned char ModFunction = 1;unsigned short ModDataNum;unsigned short readCmdLen = 6;int isReadOK = 0;unsigned char ModAddrBack = 0;unsigned char ModFunctionBack = 0;unsigned char ModByteNumBack = 0;unsigned char ModDataBack[300] = {'/0'};unsigned char ModDataLenBack = 0;/*unsigned short ModBit[100];*/char i7188Addr[5];strcpy(i7188Addr, I7188_ADDRESS);/* adjust */if(kind == 1){strcpy(i7188Addr, I7188_ADDRESS);}else if(kind == 2){strcpy(i7188Addr, I7188_ADDRESS_2);}else if(kind == 3){strcpy(i7188Addr, I7188_ADDRESS_3);}ModDataNum = (unsigned short)num;readCmdStr[0] = ModAddr;readCmdStr[1] = ModFunction; readCmdStr[2] = (unsigned char)(ModDataAddr >> 8 & 0x00FF);readCmdStr[3] = (unsigned char)(ModDataAddr & 0x00FF);readCmdStr[4] = (unsigned char)(ModDataNum >> 8 & 0x00FF);readCmdStr[5] = (unsigned char)(ModDataNum & 0x00FF);readCmdStr[6] = '/0';ClearCom(comPort);SendRtuCmdToModBus(comPort, readCmdStr, readCmdLen);isReadOK = ReadModBusRtuSlave(comPort, &ModAddrBack, &ModFunctionBack, &ModByteNumBack, ModDataBack, &ModDataLenBack, MOD_TIMEOUT, MOD_WAITTIME);if (1 == isReadOK){if((ModAddr == ModAddrBack) && (ModFunction == ModFunctionBack) && (ModByteNumBack == ModDataLenBack)) {ChangeAllButtonsDataByModBus(buttonJudge, ModDataBack, num);if(Bitmcmp(buttonData, buttonJudge, num)){ChangeAllButtonsDataByModBus(buttonData, ModDataBack, num);if(IS_RS485) Set485DirToTransmit(COMPORT1);SendButtonDataToPC(COMPORT1, buttonData, i7188Addr);if(IS_RS485) WaitTransmitOver(COMPORT1);if(IS_RS485) {DelayMs(2); Set485DirToReceive(COMPORT1);}WriteButtonToNVRAM(buttonData, num, buttonNVRAMAddr);}strmcpy(oldModDataBack, ModDataBack, ModDataLenBack);return 1;}else{/*收到的字符串不匹配*/return 1;}}else{/*未收到字符串或CRC校验出错*/return 0;}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:WriteMultipleWordToModBusSlave()*输入参数：共 2 个参数；*输出参数：共 1 个参数；*返回值：成功与否；*需储存的参数： 共 1 个参数；*功能介绍：(1) 从触摸屏中写入设定参数值；(2) 指令为 01 16 HA LA HN LN HD LD ...... HC LC；其中 01 为MODBUSSLAVE的地址， 16 为写连续多个WORD寄存器的功能码，HA LA 为第一个寄存器的高低位地址， HN LN 为寄存器数量的高低位，HC LC 为CRC校验码； HD LD 为数据高低位；*修改日志：*[2005-11-28 18:43] Ver. 1.00开始编写；*[2006-3-1 12:20]中间隔了很多时间；完成初稿，未测试；/* *//*********************************************************************************/int WriteMultipleWordToModBusSlave(int comPort, float parameterData[], unsigned short num, unsigned short ModDataAddr){unsigned char writeCmdStr[MOD_STR_MAX_LEN];/* adjust */unsigned char ModAddr = 1;unsigned char ModFunction = 16;unsigned short ModDataNum;unsigned short readCmdLen;int isReadOK = 0;unsigned short byteCount;unsigned char totalStrBack[300] = {'/0'};unsigned char ModAddrBack = 0;unsigned char ModFunctionBack = 0;unsigned short ModDataAddrBack;unsigned short ModDataNumBack;ModDataNum = (unsigned short)num * 2;byteCount = (unsigned short)num * 4;readCmdLen = 7 + byteCount;writeCmdStr[0] = ModAddr;writeCmdStr[1] = ModFunction; writeCmdStr[2] = (unsigned char)(ModDataAddr >> 8 & 0x00FF);writeCmdStr[3] = (unsigned char)(ModDataAddr & 0x00FF);writeCmdStr[4] = (unsigned char)(ModDataNum >> 8 & 0x00FF);writeCmdStr[5] = (unsigned char)(ModDataNum & 0x00FF);writeCmdStr[6] = (unsigned char)(byteCount & 0x00FF);WordDataToModbusStr(writeCmdStr, parameterData, num, 7);writeCmdStr[7 + byteCount] = '/0';ClearCom(comPort);SendRtuCmdToModBus(comPort, writeCmdStr, readCmdLen);isReadOK = ResponseFromModBusRtuSlave(comPort, totalStrBack, &ModAddrBack, &ModFunctionBack, &ModDataAddrBack, &ModDataNumBack, MOD_TIMEOUT, MOD_WAITTIME);if (1 == isReadOK){if((ModAddr == ModAddrBack) && (ModFunction == ModFunctionBack) && (ModDataAddr == ModDataAddrBack)&& (ModDataNum == ModDataNumBack)) {return 1;}else{return 0;}}else{/*未收到字符串或CRC校验出错*/return 0;}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:WriteMultipleBitToModBusSlave()*输入参数：共 2 个参数；*输出参数：共 1 个参数；*返回值：成功与否；*需储存的参数： 共 1 个参数；*功能介绍：(1) 从触摸屏中写入BIT；(2) 指令为 01 15 HA LA HN LN HD LD ...... HC LC；其中 01 为MODBUSSLAVE的地址， 16 为读连续多个WORD寄存器的功能码，HA LA 为第一个BIT的高低位地址， HN LN 为BIT数量的高低位，HC LC 为CRC校验码； HD LD 为数据高低位；*修改日志：*[2006-3-1 12:58] Ver. 1.00开始编写；*[2006-3-1 13:29]完成；/* *//*********************************************************************************/int WriteMultipleBitToModBusSlave(int comPort, int DOData[], unsigned short num, unsigned short ModDataAddr){unsigned char writeCmdStr[100];unsigned char ModAddr = 1;unsigned char ModFunction = 15;unsigned short ModDataNum;unsigned short readCmdLen;int isReadOK = 0;unsigned short byteCount;unsigned char totalStrBack[300] = {'/0'};unsigned char ModAddrBack = 0;unsigned char ModFunctionBack = 0;unsigned short ModDataAddrBack;unsigned short ModDataNumBack;ModDataNum = (unsigned short)num;if(num % 8)byteCount = (unsigned short)(num / 8 + 1);else byteCount = (unsigned short)(num / 8);readCmdLen = 7 + byteCount;writeCmdStr[0] = ModAddr;writeCmdStr[1] = ModFunction; writeCmdStr[2] = (unsigned char)(ModDataAddr >> 8 & 0x00FF);writeCmdStr[3] = (unsigned char)(ModDataAddr & 0x00FF);writeCmdStr[4] = (unsigned char)(ModDataNum >> 8 & 0x00FF);writeCmdStr[5] = (unsigned char)(ModDataNum & 0x00FF);writeCmdStr[6] = (unsigned char)(byteCount & 0x00FF);BitDataToModbusStr(writeCmdStr, DOData, num, 7);writeCmdStr[7 + byteCount] = '/0';ClearCom(comPort);SendRtuCmdToModBus(comPort, writeCmdStr, readCmdLen);isReadOK = ResponseFromModBusRtuSlave(comPort, totalStrBack, &ModAddrBack, &ModFunctionBack, &ModDataAddrBack, &ModDataNumBack, MOD_TIMEOUT, MOD_WAITTIME);if (1 == isReadOK){if((ModAddr == ModAddrBack) && (ModFunction == ModFunctionBack) && (ModDataAddr == ModDataAddrBack)&& (ModDataNum == ModDataNumBack)) {return 1;}else{return 0;}}else{/*未收到字符串或CRC校验出错*/return 0;}}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:WriteSingleBitToModBusSlave()*输入参数：共 2 个参数；*输出参数：共 1 个参数；*返回值：成功与否；*需储存的参数： 共 1 个参数；*功能介绍：(1) 从触摸屏中写入BIT；(2) 指令为 01 05 HA LA HD LD ...... HC LC；其中 01 为MODBUSSLAVE的地址， 05 为写单个BIT功能码，HA LA 为第一个BIT的高低位地址， HN LN 为BIT数量的高低位，HC LC 为CRC校验码； HD LD 为数据高低位；*修改日志：*[2006-3-7 14:06] Ver. 1.00开始编写；*[2006-3-7 14:40]完成；*[2006-3-9 12:44]去掉了等待接收反馈的功能；/* *//*********************************************************************************/int WriteSingleBitToModBusSlave(int comPort, int DOData[], unsigned short num, unsigned short ModDataAddr){unsigned char writeCmdStr[15];unsigned char ModAddr = 1;unsigned char ModFunction = 5;unsigned short ModDataState;unsigned short readCmdLen = 6;/*int isReadOK = 0;unsigned short byteCount;unsigned char totalStrBack[100];unsigned char ModAddrBack = 0;unsigned char ModFunctionBack = 0;unsigned short ModDataAddrBack;unsigned short ModDataStateBack;*/ModDataState = DOData[num];writeCmdStr[0] = ModAddr;writeCmdStr[1] = ModFunction; writeCmdStr[2] = (unsigned char)(ModDataAddr >> 8 & 0x00FF);writeCmdStr[3] = (unsigned char)(ModDataAddr & 0x00FF);if(ModDataState) writeCmdStr[4] = (unsigned char)(0x00FF);else writeCmdStr[4] = (unsigned char)(0x0000);writeCmdStr[5] = (unsigned char)(0x0000);writeCmdStr[6] = '/0';/*ClearCom(comPort);*/SendRtuCmdToModBus(comPort, writeCmdStr, readCmdLen);return 1;/*isReadOK = ResponseSingleBitFromModBus(comPort, totalStrBack, &ModAddrBack, &ModFunctionBack, &ModDataAddrBack, &ModDataStateBack, MOD_TIMEOUT, MOD_WAITTIME);if (1 == isReadOK){Print("/tB %u %u %u %u %u %u %u %u", ModAddr, ModAddrBack, ModFunction, ModFunctionBack, ModDataAddr, ModDataAddrBack, ModDataState, ModDataStateBack);if((ModAddr == ModAddrBack) && (ModFunction == ModFunctionBack) && (ModDataAddr == ModDataAddrBack)&& (ModDataState == ModDataStateBack)) {Print("/tretur sB1 /t");return 1;}else{Print("/tretur sB0 /t");return 0;}}else{/*未收到字符串或CRC校验出错* /return 0;}*/}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:WriteBitByBitToModBusSlave()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：成功与否；*需储存的参数： 共 个参数；*功能介绍：(1) 一个一个地将BIT写如触摸屏中；(2) 可能很耗时；*修改日志：*[2006-3-7 14:40] Ver. 1.00开始编写；*[2006-3-7 14:51]完成；/* *//*********************************************************************************/int WriteBitByBitToModBusSlave(int comPort, int DOData[], int dataOld[], unsigned short num, unsigned short ModDataAddr){int i;for(i = 0; i < num; i ++){if(DOData[i] != dataOld[i]){DelayMs(1);WriteSingleBitToModBusSlave(comPort, DOData, i, ModDataAddr + i);}}return 1;}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:WriteAllBitByBitToModBusSlave()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：成功与否；*需储存的参数： 共 个参数；*功能介绍：(1) 一个一个地将BIT写如触摸屏中；(2) 可能很耗时；*修改日志：*[2006-3-9 12:52] Ver. 1.00开始编写；*[2006-3-9 12:52]完成；/* *//*********************************************************************************/int WriteAllBitByBitToModBusSlave(int comPort, int DOData[], unsigned short num, unsigned short ModDataAddr){int i;for(i = 0; i < num; i ++){DelayMs(1);WriteSingleBitToModBusSlave(comPort, DOData, i, ModDataAddr + i);}return 1;}/*-------------------------------------------------------------------------------*//*********************************************************************************//*函数名称:ListenToTouch()*输入参数：共 个参数；*输出参数：共 个参数；*返回值：无；*需储存的参数： 共 个参数；*功能介绍：(1)监控Touch触摸屏；(2) init的工作给 WriteMultipleWordToModBusSlave 是否成功。(3) 必须要DelayMs(50)才能使一下个response正确。*修改日志：*[2006-3-1 17:19] Ver. 1.00开始编写；*[2006-3-1 17:33]完成；*[2006-3-9 14:10]测试通过；/* *//*********************************************************************************/void ListenToTouch(int comPort, int buttonData[], float parameterData[], int DOData[], float AIData[]){int kind = 1;/* adjust */unsigned short parameterNum = PARAMETER_DATA_NUM;unsigned short parameterAddr = PARAMETER_MODBUS_ADDR_1;/* adjust */unsigned short buttonNum = BUTTON_DATA_NUM;unsigned short buttonAddr = BUTTON_MODBUS_ADDR_1;/* adjust */unsigned short DONum = DIGITAL_OUT_DATA_NUM;unsigned short DOAddr = DO_MODBUS_ADDR_1;/* adjust */unsigned short AINum = ANALOG_IN_DATA_NUM;unsigned short AIAddr = AI_MODBUS_ADDR_1;/* adjust */int buttonNVRAMAddr = BUTTON_ADDR_1;/* adjust */int parameterEEPROMAddr = EEPROM_BLOCK;/* adjust */static unsigned char oldModWordBack[MOD_STR_MAX_LEN] = {'/0'};/* 以前的str */static unsigned char oldModBitBack[MOD_STR_MAX_LEN] = {'/0'};static int responseFromTouch_init = 0;/*首次初始化*//*static int responseFromTouch_P = 0;static int responseFromTouch_Btn = 0;static int oldButtonData[30] = {0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0};static int oldDOData[30] = {0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0};*/int response;/*test*//*Print("/n/n");*/if(0 == responseFromTouch_init)/* 第一次写入Touch_Btn失败重新写 */{/*responseFromTouch_Btn = WriteMultipleBitToModBusSlave(comPort, buttonData, buttonNum, buttonAddr);*/response = WriteAllBitByBitToModBusSlave(comPort, buttonData, buttonNum, buttonAddr);/*bitmcpy(oldButtonData, buttonData, buttonNum);*/}else{/* 读取按钮值 */response = ReadBitFromModBusSlave(kind, comPort, buttonData, buttonNum, buttonAddr, buttonNVRAMAddr, oldModBitBack);}DelayMs(50);/*Print(" rb%d", response);*/if(0 == responseFromTouch_init)/* 第一次写入Touch_P失败重新写 */{responseFromTouch_init = WriteMultipleWordToModBusSlave(comPort, parameterData, parameterNum, parameterAddr);response = responseFromTouch_init;/*responseFromTouch_P = 1;/*test*/}else{/* 读取设定参数 */response = ReadWordFromModBusSlave(kind, comPort, parameterData, parameterNum, parameterAddr, parameterEEPROMAddr, oldModWordBack);}/*Print(" p%d", responseFromTouch_P);Print(" rp%d", response);*/DelayMs(2);/* 写入开关量 *//*response = WriteMultipleBitToModBusSlave(comPort, DOData, DONum, DOAddr);*/response = WriteAllBitByBitToModBusSlave(comPort, DOData, DONum, DOAddr);/*bitmcpy(oldDOData, DOData, DONum);*//*Print(" d%d", response);*/DelayMs(40);/* 写入采样值 */response = WriteMultipleWordToModBusSlave(comPort, AIData, AINum, AIAddr);/*Print(" a%d", response);*/if(response);}/*-------------------------------------------------------------------------------*/
