2022年modbus(C語言程序)

1、精選精選.精選.modbusC語言程序2021-10-15 09:31:28|分類： HYPERLINK :/blog.163 /li_g888126/blog/ l m=0&t=1&c=fks_087064084084080064084080095095085086082070092082094064086 o 默認分類 默認分類|字號訂閱#include #include/_nop_();#define OSFREQ 11059200char TimeInterval;char MyAddress;char data DI6=1,2,3,4,5,6;char data DO6=6,7,8,

2、9,10,11;char data AI6=11,12,13,14,15,16;char data AO6=16,17,18,19,20,21;unsigned char data ReceiveData14;unsigned char data countnumber;sbit Recenable =P16;/控制端 sbit led =P27;/控制端/*-函數(shù)說明：CRC 高位字節(jié)值表-*/static unsigned char code auchCRCHi = 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x01,

3、 0 xC0,0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41,0 x00, 0 xC1, 0 x81, 0 x40, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0,0 x80, 0 x41, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40,0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1,0 x81, 0 x40, 0 x

4、01, 0 xC0, 0 x80, 0 x41, 0 x01, 0 xC0, 0 x80, 0 x41,0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1,0 x81, 0 x40, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41,0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x01, 0 xC0,0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40,

5、 0 x00, 0 xC1, 0 x81, 0 x40,0 x01, 0 xC0, 0 x80, 0 x41, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1,0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40,0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x01, 0 xC0,0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x00, 0 xC1, 0 x81, 0

6、x40,0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0,0 x80, 0 x41, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40,0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x01, 0 xC0,精選精選.精選.0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41,0 x00, 0 xC1

7、, 0 x81, 0 x40, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0,0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41,0 x01, 0 xC0, 0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0,0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x00, 0 xC1, 0 x81, 0 x40,0 x01, 0 xC0, 0 x80, 0 x41, 0 x01, 0

8、 xC0, 0 x80, 0 x41, 0 x00, 0 xC1,0 x81, 0 x40, 0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41,0 x00, 0 xC1, 0 x81, 0 x40, 0 x01, 0 xC0, 0 x80, 0 x41, 0 x01, 0 xC0,0 x80, 0 x41, 0 x00, 0 xC1, 0 x81, 0 x40 ;/*-函數(shù)說明：CRC低位字節(jié)值表-*/static unsigned char code auchCRCLo = 0 x00, 0 xC0, 0 xC1, 0 x01, 0

9、 xC3, 0 x03, 0 x02, 0 xC2, 0 xC6, 0 x06,0 x07, 0 xC7, 0 x05, 0 xC5, 0 xC4, 0 x04, 0 xCC, 0 x0C, 0 x0D, 0 xCD,0 x0F, 0 xCF, 0 xCE, 0 x0E, 0 x0A, 0 xCA, 0 xCB, 0 x0B, 0 xC9, 0 x09,0 x08, 0 xC8, 0 xD8, 0 x18, 0 x19, 0 xD9, 0 x1B, 0 xDB, 0 xDA, 0 x1A,0 x1E, 0 xDE, 0 xDF, 0 x1F, 0 xDD, 0 x1D, 0 x1C, 0 xD

10、C, 0 x14, 0 xD4,0 xD5, 0 x15, 0 xD7, 0 x17, 0 x16, 0 xD6, 0 xD2, 0 x12, 0 x13, 0 xD3,0 x11, 0 xD1, 0 xD0, 0 x10, 0 xF0, 0 x30, 0 x31, 0 xF1, 0 x33, 0 xF3,0 xF2, 0 x32, 0 x36, 0 xF6, 0 xF7, 0 x37, 0 xF5, 0 x35, 0 x34, 0 xF4,0 x3C, 0 xFC, 0 xFD, 0 x3D, 0 xFF, 0 x3F, 0 x3E, 0 xFE, 0 xFA, 0 x3A,0 x3B, 0

11、 xFB, 0 x39, 0 xF9, 0 xF8, 0 x38, 0 x28, 0 xE8, 0 xE9, 0 x29,0 xEB, 0 x2B, 0 x2A, 0 xEA, 0 xEE, 0 x2E, 0 x2F, 0 xEF, 0 x2D, 0 xED,0 xEC, 0 x2C, 0 xE4, 0 x24, 0 x25, 0 xE5, 0 x27, 0 xE7, 0 xE6, 0 x26,0 x22, 0 xE2, 0 xE3, 0 x23, 0 xE1, 0 x21, 0 x20, 0 xE0, 0 xA0, 0 x60,0 x61, 0 xA1, 0 x63, 0 xA3, 0 xA

12、2, 0 x62, 0 x66, 0 xA6, 0 xA7, 0 x67,0 xA5, 0 x65, 0 x64, 0 xA4, 0 x6C, 0 xAC, 0 xAD, 0 x6D, 0 xAF, 0 x6F,0 x6E, 0 xAE, 0 xAA, 0 x6A, 0 x6B, 0 xAB, 0 x69, 0 xA9, 0 xA8, 0 x68,0 x78, 0 xB8, 0 xB9, 0 x79, 0 xBB, 0 x7B, 0 x7A, 0 xBA, 0 xBE, 0 x7E,0 x7F, 0 xBF, 0 x7D, 0 xBD, 0 xBC, 0 x7C, 0 xB4, 0 x74,

13、0 x75, 0 xB5,0 x77, 0 xB7, 0 xB6, 0 x76, 0 x72, 0 xB2, 0 xB3, 0 x73, 0 xB1, 0 x71,0 x70, 0 xB0, 0 x50, 0 x90, 0 x91, 0 x51, 0 x93, 0 x53, 0 x52, 0 x92,0 x96, 0 x56, 0 x57, 0 x97, 0 x55, 0 x95, 0 x94, 0 x54, 0 x9C, 0 x5C,精選精選.精選.0 x5D, 0 x9D, 0 x5F, 0 x9F, 0 x9E, 0 x5E, 0 x5A, 0 x9A, 0 x9B, 0 x5B,0 x

14、99, 0 x59, 0 x58, 0 x98, 0 x88, 0 x48, 0 x49, 0 x89, 0 x4B, 0 x8B,0 x8A, 0 x4A, 0 x4E, 0 x8E, 0 x8F, 0 x4F, 0 x8D, 0 x4D, 0 x4C, 0 x8C,0 x44, 0 x84, 0 x85, 0 x45, 0 x87, 0 x47, 0 x46, 0 x86, 0 x82, 0 x42,0 x43, 0 x83, 0 x41, 0 x81, 0 x80, 0 x40;/*-調(diào)用方式：unsigned int CRC16(unsigned char *puchMsg, unsi

15、gned int usDataLen)函數(shù)說明：CRC校驗-*/unsigned int CRC16(unsigned char *puchMsg, unsigned int usDataLen) unsigned char uchCRCHi = 0 xFF ; / 高CRC字節(jié)初始化 unsigned char uchCRCLo = 0 xFF ; / 低CRC 字節(jié)初始化 unsigned uIndex ; / CRC循環(huán)中的索引 while (usDataLen-) / 傳輸消息緩沖區(qū) uIndex = uchCRCHi *puchMsg+ ; / 計算CRC uchCRCHi = uc

16、hCRCLo auchCRCHiuIndex ; uchCRCLo = auchCRCLouIndex ; return (uchCRCHi 3); temp=*(Myaddress+temp); temp=(Offset); if (temp&0 x01) return 1; else return 0;/*-精選精選.精選.調(diào)用方式：void SendData(unsigned char *output,unsigned char Outlength)函數(shù)說明：發(fā)送數(shù)據(jù)至窗口-*/void SendData(unsigned char *output,unsigned char Outle

17、ngth) ES=0; while(Outlength-) TI=0; ACC=*output; TB8=P; SBUF=*(output+); while(!TI); TI=0; ES=1;/*-調(diào)用方式：void Function12(unsigned char address,unsigned char len)函數(shù)說明：功能碼1，2處理-*/void Function12(unsigned char address,unsigned char len) unsigned int data i; unsigned char data j; unsigned char data lengt

18、h; unsigned char data *send; unsigned int data temp; unsigned char data function; length=0; send=ReceiveData; function=send1; for (i=1;i=len;i+) length+; *(send+2+length)=0; for (j=0;j8;j+) *(send+2+length)=*(send+2+length)|getbit(address,function)len)break; i-; *(send+2)=length; /精選精選.精選.數(shù)據(jù)長度 temp=

19、CRC16(send,length+3); /DI狀態(tài)數(shù)據(jù) *(send+3+length)=(char)(temp8); /CRC校驗高 *(send+4+length)=(char)temp; /CRC校驗低 SendData(send,length+5); /調(diào)用A發(fā)送程序/*-調(diào)用方式：void Function3(unsigned char address,unsigned char len)函數(shù)說明：功能碼3處理-讀取存放器-*/void Function3(unsigned char address,unsigned char len) unsigned char data i;

20、 unsigned char data *send; unsigned int data temp; send=ReceiveData; *(send+2)=2*len; /數(shù)據(jù)長度高 address=2*address; for(i=0;i8); *(send+4+2*len)=(char)temp; SendData(send,2*len+5); /調(diào)用A發(fā)送程序/*-調(diào)用方式：void Function4(unsigned char address,unsigned char len)函數(shù)說明：功能碼處理4-讀取輸入存放器-*/void Function4(unsigned char a

21、ddress,unsigned char len) unsigned char data i; unsigned char data *send; unsigned int data temp; send=ReceiveData; *(send+2)=2*len; address=2*address; for(i=0;i8); *(send+4+2*len)=(char)temp; SendData(send,2*len+5);/*-調(diào)用方式：void Function6(unsigned char address)函數(shù)說明：寫單路存放器-*/void Function6(unsigned c

22、har address) int temp; unsigned char data *WriteData; temp=2*address; WriteData=AO; /將寫入的數(shù)據(jù)進行處理 /your code to add here to deal with the write value *(WriteData+temp)=ReceiveData4; *(WriteData+temp+1)=ReceiveData5; SendData(ReceiveData,countnumber); /調(diào)用發(fā)送程序，返回與主機相同的報文/*-調(diào)用方式：void SendError(char Error

23、Code)函數(shù)說明：-*/void SendError(char ErrorCode) unsigned char data *send; unsigned int data temp; send=ReceiveData; *(send+1)=ReceiveData1|0 x01;/最高位置1 *(send+2)=ErrorCode; temp=CRC16(send,3); *(send+3)=(char)(temp8); *(send+4)=(char)temp; SendData(send,countnumber); /精選精選.精選.調(diào)用發(fā)送程序,返回錯誤代碼/*-調(diào)用方式：void D

24、eal()函數(shù)說明：接收數(shù)據(jù)處理-*/void Deal() unsigned int data temp; unsigned char data address; unsigned char data length; unsigned char data counter; unsigned char data *Pointer; Pointer=ReceiveData; counter=countnumber; if (counter=3 ) return; temp=Pointercounter-28; temp= temp|Pointercounter-1; if( temp=CRC16

25、(Pointer,counter-2) /較驗正確 address=Pointer3; length=Pointer5; if(addressNumber&0 x01=1) return 1; else return 0;/設定某一位的值*unsigned char SetBit(unsigned char Character,unsigned char num,bit boolen) unsigned char code bit_value=1,2,4,8,16,32,64,128; if(boolen) return Character|bit_valuenum; else return

26、Character&bit_valuenum;*/*-調(diào)用方式：void Init_timer2(unsigned int baudrate)函數(shù)說明：定時器2的初始化-*/void Init_timer2(unsigned int baudrate) unsigned int data TimReg2; T2CON = 0 x00; T2MOD = 0 x00; TimReg2=65536-(OSFREQ/384/baudrate*11); RCAP2L=TimReg2&0 x00ff; RCAP2H=(TimReg28); /RCAP2H=TimReg2/256 RCAP2L=0;RCAP2H=0; TL2 = RCAP2L; / TH2 = RCAP2H; / TR2=1; / T2CON.2 start timer精選精選.精選. ET2=0; / 開定時器2中斷/*-調(diào)用方式：void Init_SerialPort(unsigned int baudrate)函數(shù)說明：串口初始化-*/void Init_SerialPort(unsigned int baudrate) unsigned char TimReg2; SCON = 0 xd0; / 方式3, 8-bit U