bool CommonSendRead(int i_iAddr,
int i_iFun,
int i_iStartIndex,
int i_iTotalPoint);
bool CommonRecvRead(unsigned char o_szData[], int *o_iTotalByte);
void HexToRTU(char *i_szHexCmd, unsigned char *o_szRTUCmd);
void RTUToHex(unsigned char *i_szRTUCmd, int i_RTULen, char *o_szHexCmd);
// function : 01 (HEX 01)
// i_iAddr : Slave address, decimal number
// i_iStartIndex : start from 1, not 0
// i_iTotal : total bytes to read
bool SendReadCoilStatus(int i_iAddr,
int i_iStartIndex,
int i_iTotalPoint);
bool RecvReadCoilStatus(unsigned char o_szData[], int *o_iTotalByte);
// function : 02 (HEX 02)
bool SendReadInputStatus(int i_iAddr,
int i_iStartIndex,
int i_iTotalPoint);
bool RecvReadInputStatus(unsigned char o_szData[], int *o_iTotalByte);
// function : 03 (HEX 03)
bool SendReadHoldingRegs(int i_iAddr,
int i_iStartIndex,
int i_iTotalPoint);
bool RecvReadHoldingRegs(unsigned char o_szData[], int *o_iTotalByte);
// function : 04 (HEX 04)
bool SendReadInputRegs( int i_iAddr,
int i_iStartIndex,
int i_iTotalPoint);
bool RecvReadInputRegs(unsigned char o_szData[], int *o_iTotalByte);
// function : 05 (HEX 05)
bool SendForceSingleCoil(int i_iAddr,
int i_iCoilIndex,
int i_iData); // 0: OFF; otherwise: ON
bool RecvForceSingleCoil();
// function : 06 (HEX 06)
bool SendPresetSingleReg(int i_iAddr,
int i_iRegIndex,
int i_iData);
bool RecvPresetSingleReg();
// function : 15 (HEX 0F)
bool SendForceMultiCoils(int i_iAddr,
int i_iCoilIndex,
int i_iTotalPoint,
int i_iTotalByte,
unsigned char i_szData[]);
bool RecvForceMultiCoils();
// function : 16 (HEX 10)
// i_iStartReg : start from 1
bool SendPresetMultiRegs(int i_iAddr,
int i_iStartReg,
int i_iTotalReg,
int i_iTotalByte,
unsigned char i_szData[]);
bool RecvPresetMultiRegs();
// extra
bool ReadTransaction(char *i_szTwoHexAddr,
int i_regLen,
char *i_szCmd,
char *o_szRecv,
char *o_szSendHex, // if NULL, no value assign
char *o_szRecvHex); // if NULL, no value assign