#include "Data_deal.h" //note: 2021-2-23 新加入BCDtoHEX相互转的几个函数 ---- Daiyf。 union Tmp { float value; //浮点运算联合体 unsigned char array[4]; }; union Tmp1 { signed short value; //S16运算联合体 -32768-32767 unsigned char array[2]; }; union Tmp2 { signed long value; //S32运算联合体 -2147483648--2147483647 存放18位AD值 -131072-131071 unsigned char array[4]; }; union Tmp3 { unsigned long value; //U32运算联合体 存放18位AD值0x00000-0x3FFFF unsigned char array[4]; }; /* // C prototype : void StrToHex(BYTE *pbDest, BYTE *pbSrc, int nLen) // parameter(s): [OUT] pbDest - 输出缓冲区 // [IN] pbSrc - 字符串 // [IN] nLen - 16进制数的字节数(字符串的长度/2) // return value: // remarks : 字符串转成16进制数 */ void StrToHex(uint8_t *pbDest, uint8_t *pbSrc, int nLen) { char h1,h2; uint8_t s1,s2; int i; for (i=0; i 9) s1 -= 7; s2 = toupper(h2) - 0x30; if (s2 > 9) s2 -= 7; pbDest[i] = s1*16 + s2; } } /* // C prototype : void HexToStr(BYTE *pbDest, BYTE *pbSrc, int nLen) // parameter(s): [OUT] pbDest - 存放在目标字符串中 // [IN] pbSrc - 输入16进制的起始地址 // [IN] nLen - 16进制的字节数 // return value: // remarks : 16进制转换成字符串 */ void HexToStr(uint8_t *pbDest, uint8_t *pbSrc, int nLen) { char ddl,ddh; int i; for (i=0; i 57) ddh = ddh + 7; if (ddl > 57) ddl = ddl + 7; pbDest[i*2] = ddh; pbDest[i*2+1] = ddl; } pbDest[nLen*2] = '\0'; } /******************************************************************************* * Function Name : Switch_U32_To_AD7691BYTE4 * Description : 将32位无符号整数转成4字节数组存储 * Input : temp_U32_data--要转换的U32变量 data--转换后的4字节存储 * Output : None * Return : None *******************************************************************************/ void Switch_U32_To_BYTE4(unsigned long temp_U32_data, unsigned char*data) { union Tmp3 U32Tmp; unsigned char i = 0; U32Tmp.value = temp_U32_data; for(i = 0; i < 4; i++) { data[i] = U32Tmp.array[i]; //将U32转换成四字节 } } /******************************************************************************* * Function Name : Switch_BYTE4_To_U32 * Description : 将U32的4字节数组转成32位无符号整数 * Input : data--转换前四字节数组 temp_U32_data--要转换的U32变量 * Output : None * Return : None *******************************************************************************/ unsigned long Switch_BYTE4_To_U32(unsigned char*data) { union Tmp3 U32Tmp; unsigned char i = 0; unsigned long temp_U32_data = 0; for(i = 0; i < 4; i++) { U32Tmp.array[i] = *(data + i); //4字节数据暂存 } temp_U32_data = U32Tmp.value; //4字节转换的U32有符号整数 return(temp_U32_data); } /******************************************************************************* * Function Name : Switch_S32_to_ASCII * Description : 将32位有符号整数转成ASCII字符串显示 * Input : S32 * Output : ASCII字符串 * Return : None *******************************************************************************/ void Switch_S32_to_ASCII(signed long data, unsigned char*str) { unsigned short i; //u16 signed long temp, tempoten; //s32 unsigned char temp_length, temp_str[12] = {0}; if(data < 0) { str[0] = '-'; //1.确定符号位 data = -data; } else str[0] = '+'; temp = data; i = 0; tempoten = temp / 10; while(tempoten != 0) //由低到高存储ASCII码 { temp_str[i] = temp - 10 * tempoten + 48; //to ascii code temp = tempoten; tempoten = temp / 10; i++; } temp_str[i] = temp + 48; temp_length = i + 1; for(i = 0; i < temp_length; i++) { str[i + 1] = temp_str[temp_length - 1 - i]; //由高到低存储ASCII码 } } /******************************************************************************* * Function Name : S32_to_u8 * Description : 将32位数转换成8位数组 * Input : data--要转变量 str--转换后的字节数组 * Output : None * Return : None *******************************************************************************/ void S32_to_u8(signed long data,unsigned char*str) { // int i; str[0] = data>>24; str[1] = data>>16; str[2] = data>>8; str[3] = data; // for(i=3;i>0;i--) // { // str[i]=(data>>(i*8))& 0xFF; // } } /******************************************************************************* * Function Name : Switch_Float_To_ASCII 注：小数点有效数字3位 * Description : 将浮点数转成ASCII字符串 * Input : temp_float_data--要转换的float变量 str--转换后的字节数组 * Output : None * Return : None *******************************************************************************/ void Switch_Float_To_ASCII(float temp_float_data, unsigned char*str) { unsigned short i, j, k; signed long temp, tempoten; unsigned char intpart[20], data[20]; if(temp_float_data < 0) { str[0] = '-'; temp_float_data = -temp_float_data; } else str[0] = '+'; temp = (signed long)temp_float_data; i = 0; tempoten = temp / 10; while(tempoten != 0) { intpart[i] = temp - 10 * tempoten + 48; //to ASCII code temp = tempoten; tempoten = temp / 10; i++; } intpart[i] = temp + 48; for(k = 1; k <= i + 1; k++) str[k] = intpart[i + 1 - k]; for(j = 0; j < 20; j++) { data[j] = 0; } temp = (temp_float_data * 1000) - ((signed long)(temp_float_data)) * 1000; //取小数 if(temp) { Switch_S32_to_ASCII(temp, data); str[i + 2] = '.'; str[i + 3] = data[1]; //第1位肯定不为0 if(data[2] != '0') { str[i + 4] = data[2]; //取2位 } else { str[i + 4] = 0; } if(data[3] != '0') { str[i + 5] = data[3]; //取3位 } else { str[i + 5] = 0; } str[i + 6] = 0; } else { str[i + 3] = 0; } } /******************************************************************************* * Function Name : Switch_S16_To_Byte2 * Description : 将有符号整数转成2字节数组存储 * Input : temp_S16_data--要转换的S16变量 data--转换后的2字节数组 * Output : None * Return : None *******************************************************************************/ void Switch_S16_To_Byte2(signed short temp_S16_data, unsigned char*data) { union Tmp1 S16Tmp; unsigned char i = 0; S16Tmp.value = temp_S16_data; //将S16转存 for(i = 0; i < 2; i++) { data[i] = S16Tmp.array[i]; //将S16转换成2字节 } } /******************************************************************************* * Function Name : Switch_Byte2_To_S16 * Description : 2字节数组转成有符号整数 * Input : data--转换前的2字节数组 * Output : None * Return : 转换后的有符号整数 *******************************************************************************/ signed short Switch_Byte2_To_S16(unsigned char*data) { union Tmp1 S16Tmp; unsigned char i = 0; signed short temp_S16_data = 0; for(i = 0; i < 2; i++) { S16Tmp.array[i] = data[i]; //2字节数据暂存 } temp_S16_data = S16Tmp.value; //2字节转换的S16有符号整数 return(temp_S16_data); } /******************************************************************************* * Function Name : Switch_Byte4_To_Float * Description : 四字节数组转成浮点数 * Input : data--转换前的四字节数组 * Output : None * Return : 转换后的浮点数 *******************************************************************************/ float Switch_Byte4_To_Float(unsigned char*data) { union Tmp floatTmp; unsigned char i = 0; float temp_float_data = 0; for(i = 0; i < 4; i++) { floatTmp.array[i] = data[i]; //四字节数据暂存 } temp_float_data = floatTmp.value; //四字节转换的浮点数 return(temp_float_data); } /******************************************************************************* * Function Name : Switch_Float_To_Byte4 * Description : 将浮点数转成四字节数组存储 * Input : temp_float_data--要转换的float变量 data--转换后的四字节数组 * Output : None * Return : None *******************************************************************************/ void Switch_Float_To_Byte4(float temp_float_data, unsigned char*data) { union Tmp floatTmp; unsigned char i = 0; floatTmp.value = temp_float_data; //将浮点数转存 for(i = 0; i < 4; i++) { data[i] = floatTmp.array[i]; //将浮点数转换成四字节 } } /****************************************************************************** //4字节数存放到数组中 数组起始地址存放高字节 //输入：uint16_t *buf数组起始地址, uint32_t data32存放数 //返回：无 ******************************************************************************/ void Data32ToBuf(uint16_t *buf, uint32_t data32) { *buf++ = data32>>16; *buf = data32; } /****************************************************************************** //2字节数组组成一个32位数 数组起始地址存放高字节 //输入：uint16_t *buf数组起始地址, int32_t data32存放数 //返回：32位数 ******************************************************************************/ int32_t BufToData32(uint16_t *buf) { uint8_t i; int32_t temp=0; int32_t data32=0 ; for(i=0;i<2;i++) { temp = *buf++; data32 = (data32<<16) + (temp&0xffff); } return data32; } /******************************************************************************* * Function Name : Calc_LRC * Description : LRC校验 * Input : data--要校验的数组 data_len--校验的长度 * Output : None * Return : lrc 校验后的值 *******************************************************************************/ uint16_t Calc_LRC(uint8_t* data, int data_len) { int i; uint16_t lrc = 0; for ( i = 0; i < data_len; i++) { lrc ^= data[i]; } return lrc; } /******************************************************************************* * Function Name : LRC_Check * Description : LRC校验 * Input : data--要校验的数组 * Output : None * Return : result 校验后的值 *******************************************************************************/ uint16_t LRC_Check(uint8_t *data) { uint8_t i; int k; uint16_t result; uint16_t lrcdata[12]; for (i = 1;i < 12 + 1;i++) { if (data[i]>0x40) lrcdata[i - 1] = data[i] - 0x41 + 10; else lrcdata[i - 1] = data[i] - 0x30; } k = 0; for (i = 0;i<12 / 2;i++) { k += (lrcdata[2 * i] * 16 + lrcdata[2 * i + 1]); } k = k % 256; k = 256 - k; result = k % 256; return result; } //单字节BCD转为HEX子程序 unsigned char BCDtoHEX(unsigned char bcd_data) { unsigned char temp; temp=(bcd_data/16*10 + bcd_data%16); return temp; } //单字节HEX转为BCD子程序 unsigned char HEXtoBCD(unsigned char hex_data) { unsigned char temp; temp=(hex_data/10*16 + hex_data%10); return temp; } /********** BCD to HEX **********/ //双字节数值范围：0~9999 uint16_t BCD2HEX(uint16_t bcd) { uint16_t temp; temp = (((bcd>>12) & 0x000f) * 1000) + (((bcd>>8) & 0x000f) * 100) + (((bcd>>4) & 0x000f) * 10) + (bcd& 0x000f); return temp; } /********** BCD to HEX **********/ //双字节数值范围：0~9999 uint16_t HEX2BCD(uint16_t hex) { uint16_t bcd; bcd = ((HEXtoBCD((hex/100))) << 8); bcd += HEXtoBCD(hex%100); return bcd; } /******************************************************************************* * Function Name : MODBUS_ASCII_AsciiToFloat * Description : 将目标中的8个字节转化为一个浮点数 * Input : pbDest--要转化的数组 * Output : None * Return : float 转化后的值 *******************************************************************************/ float MODBUS_ASCII_AsciiToFlaot(uint8_t *pbDest) { union Tmp floatTmp; unsigned char data[8]; unsigned char i = 0; float temp_float_data = 0; for(i = 0; i < 4; i++) { data[i] = MODBUS_ASCII_AsciiToHex(pbDest+i*2); //一个字节一个转 floatTmp.array[3-i] = data[i]; //四字节数据暂存 } temp_float_data = floatTmp.value; //四字节转换的浮点数 return(temp_float_data); } /******************************************************************************* * Function Name : MODBUS_Float_to_ASCII * Description : float数据转换为8个字节的ASCII数据 * Input : data32--要转换的数据 * Output : pAsciiBuf 转换后的数组 * Return : *******************************************************************************/ void MODBUS_Float_to_ASCII(float data32 ,uint8_t *pAsciiBuf ) { uint8_t i; union Tmp2 a32Tmp; union Tmp floatTmp; floatTmp.value = data32; for(i=0;i<4;i++)a32Tmp.array[i]=floatTmp.array[i]; for(i=0;i<8;i++) { pAsciiBuf[i] = (a32Tmp.value>>(28-i*4))&0x0F; if(pAsciiBuf[i]<=0x09) pAsciiBuf[i] = pAsciiBuf[i]+0x30; else { pAsciiBuf[i]=toupper(pAsciiBuf[i])+55; } } } /******************************************************************************* * Function Name : MODBUS_ASCII_AsciiToHex * Description : 转化为16进制 * Input : pbDest--要转化的数组 * Output : None * Return : s1*16 + s2 转化后的值 *******************************************************************************/ uint8_t MODBUS_ASCII_AsciiToHex(uint8_t *pbDest) { char h1,h2; uint8_t s1,s2; h1 = pbDest[0]; h2 = pbDest[1]; s1 = toupper(h1) - 0x30; if (s1 > 9) s1 -= 7; s2 = toupper(h2) - 0x30; if (s2 > 9) s2 -= 7; return (s1*16 + s2); } uint8_t MODBUS_GetLrc(uint8_t *pCyAsciiBuf, uint8_t cyLen) { uint8_t i; uint8_t cyLrcVal; //cyLen /= 2; cyLrcVal = 0; for (i = 0; i < cyLen; i++) { cyLrcVal += *(pCyAsciiBuf + i); } cyLrcVal = ~cyLrcVal; cyLrcVal += 1; return (cyLrcVal); } /******************************************************************************* * Function Name : MODBUS_ASCII_GetLrc * Description : LRC校验 * Input : pCyAsciiBuf--要校验的数组 cyLen--长度 * Output : None * Return : cyLrcVal 校验后的值 *******************************************************************************/ uint8_t MODBUS_ASCII_GetLrc(uint8_t *pCyAsciiBuf, uint16_t cyLen) { uint16_t i; uint8_t cyLrcVal; if (1 == (cyLen % 2) ) { return 0; } cyLen /= 2; cyLrcVal = 0; for (i = 0; i < cyLen; i++) { cyLrcVal += MODBUS_ASCII_AsciiToHex(pCyAsciiBuf + i * 2); } cyLrcVal = ~cyLrcVal; cyLrcVal += 1; return (cyLrcVal); } /******************************************************************************* * Function Name : MODBUS_Hex_GetLrc * Description : LRC校验 * Input : pCyAsciiBuf--要校验的数组 cyLen--长度 * Output : None * Return : cyLrcVal 校验后的值 *******************************************************************************/ uint8_t MODBUS_Hex_GetLrc(uint8_t *pCyAsciiBuf, uint8_t cyLen) { uint8_t i; uint8_t cyLrcVal; // if (1 == (cyLen % 2) ) // { // return 0; // } // cyLen /= 2; cyLrcVal = 0; for (i = 0; i < cyLen; i++) { cyLrcVal += *(pCyAsciiBuf + i * 1); } cyLrcVal = ~cyLrcVal; cyLrcVal += 1; return (cyLrcVal); } /******************************************************************************* * Function Name : MODBUS_S32_to_ASCII * Description : 32位数据转换为单个8位数据 * Input : data32--要转换的数据 * Output : pAsciiBuf 转换后的数组 * Return : *******************************************************************************/ void MODBUS_S32_to_ASCII(int32_t data32 ,uint8_t *pAsciiBuf ) { uint8_t i; for(i=0;i<8;i++) { pAsciiBuf[i] = (data32>>(28-i*4))&0x0F; if(pAsciiBuf[i]<=0x09) pAsciiBuf[i] = pAsciiBuf[i]+0x30; else { pAsciiBuf[i]=toupper(pAsciiBuf[i])+55; } } } /******************************************************************************* * Function Name : MODBUS_S16_to_ASCII * Description : 16为数据转换为ASCII数据 * Input : data16--要转换的数据 * Output : pAsciiBuf 转换后的数组 * Return : *******************************************************************************/ void MODBUS_S16_to_ASCII(int16_t data16 ,uint8_t *pAsciiBuf ) { uint8_t i; for(i=0;i<4;i++) { pAsciiBuf[i] = (data16>>(12-i*4))&0x0F; if(pAsciiBuf[i]<=0x09)//if((pAsciiBuf[i]>=0x00)&&(pAsciiBuf[i]<=0x09)) pAsciiBuf[i] = pAsciiBuf[i]+0x30; else { pAsciiBuf[i]=toupper(pAsciiBuf[i])+55; } } } /******************************************************************************* * Function Name : MODBUS_S8_to_ASCII * Description : 8为数据转换为ASCII数据 * Input : data8--要转换的数据 * Output : pAsciiBuf 转换后的数组 * Return : *******************************************************************************/ void MODBUS_S8_to_ASCII(int8_t data8 ,uint8_t *pAsciiBuf ) { uint8_t i; for(i=0;i<2;i++) { pAsciiBuf[i] = (data8>>(4-i*4))&0x0F; if(pAsciiBuf[i]<=0x09)//if((pAsciiBuf[i]>=0x00)&&(pAsciiBuf[i]<=0x09)) pAsciiBuf[i] = pAsciiBuf[i]+0x30; else { pAsciiBuf[i]=toupper(pAsciiBuf[i])+55; } } } ////将一个8位数高低4位交换 //static inline unsigned char bswap_8(unsigned char v) //{ // return ((v & 0xff) << 4) | (v >> 4) ; //将参数(v & 0xff) << 4 相当于放到高位， v >> 4 位相当于放在低位 //} //以下两个代码分析雷同 ////将一个16位数高低8位交换 //static inline unsigned short bswap_16(unsigned short v) //{ // return ((v & 0xff) << 8) | (v >> 8); //} ////将一个32位数高低16位交换 //static inline unsigned int bswap_32(unsigned int v) //{ // return ((v & 0xff) << 24) | ((v & 0xff00) << 8) | // ((v & 0xff0000) >> 8) | (v >> 24); //} /******************************************************************************* * Function Name : CRC16 * Description : CRC16校验 * Input : pBuf--要校验的数据 nLength--校验的长度 * Output : ((wReturn & 0xff) << 8) | (wReturn >> 8) 校验后的数组 * Return : *******************************************************************************/ uint16_t CRC16(unsigned char *pBuf,int nLength) { uint16_t wReturn = 0xFFFF; int nDataLen=0; int nIndex=0; for(nDataLen=0;nDataLen>=1; wReturn^=0xA001; } else { wReturn>>=1; } } } return ((wReturn & 0xff) << 8) | (wReturn >> 8);//高低互换 // return wReturn; } static uint16_t const wCRC16Table[256] = { 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241, 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440, 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40, 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841, 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40, 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41, 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641, 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040, 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240, 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441, 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41, 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840, 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41, 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40, 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640, 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041, 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240, 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441, 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41, 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840, 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41, 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40, 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640, 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041, 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241, 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440, 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40, 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841, 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40, 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41, 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641, 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040}; uint16_t Key_CRC16(const unsigned char* pDataIn, const unsigned char iLenIn) { uint16_t wResult = 0xFFFF; uint16_t wTableNo = 0; int i = 0; for( i = 0; i < iLenIn; i++) { wTableNo = ((wResult & 0xff) ^ (pDataIn[i] & 0xff)); wResult = ((wResult >> 8) & 0xff) ^ wCRC16Table[wTableNo]; } return wResult; } // crcValue=CRC16(SendBuf,4); // SendBuf[4]=(unsigned char)crcValue; // SendBuf[5]=(unsigned char)(crcValue>>8); void InvertUint8(unsigned char *dBuf, unsigned char *srcBuf) { int i; unsigned char tmp[4]; tmp[0] = 0; for(i = 0; i < 8; i++) { if(srcBuf[0] & (1 << i)) tmp[0] |= 1 << (7 - i); } dBuf[0] = tmp[0]; } void InvertUint16(unsigned short *dBuf, unsigned short *srcBuf) { int i; unsigned short tmp[4]; tmp[0] = 0; for (i = 0; i < 16; i++) { if(srcBuf[0] & (1 << i)) tmp[0] |= 1 << (15 - i); } dBuf[0] = tmp[0]; } unsigned short CRC16_MODBUS(unsigned char *puchMsg, unsigned int usDataLen) { int i; unsigned short temp; unsigned short temp1; unsigned short wCRCin = 0xFFFF; unsigned short wCPoly = 0x8005; unsigned char wChar = 0; while(usDataLen--) { wChar = *(puchMsg++); InvertUint8(&wChar, &wChar); wCRCin ^= (wChar << 8); for(i = 0; i < 8; i++) { if(wCRCin & 0x8000) wCRCin = (wCRCin << 1)^wCPoly; else wCRCin = wCRCin << 1; } } InvertUint16(&wCRCin, &wCRCin); temp1=wCRCin>>8&0x00ff; temp=(temp1)+(wCRCin<<8); return(temp); }