commit
15129278d7
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@ -7,7 +7,6 @@ modbus/functions/mbutils.c
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modbus/functions/mbfuncother.c
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modbus/rtu/mbcrc.c
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port/port.c
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port/user_mb_app.c
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""")
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master_rtu_src = Split("""
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@ -20,6 +19,7 @@ modbus/mb_m.c
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port/portevent_m.c
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port/portserial_m.c
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port/porttimer_m.c
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port/user_mb_app_m.c
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""")
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slave_rtu_src = Split("""
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@ -32,6 +32,7 @@ modbus/mb.c
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port/portevent.c
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port/portserial.c
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port/porttimer.c
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port/user_mb_app.c
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""")
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master_slave_rtu_src = Split("""
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@ -53,6 +54,8 @@ port/portserial.c
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port/portserial_m.c
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port/porttimer.c
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port/porttimer_m.c
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port/user_mb_app.c
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port/user_mb_app_m.c
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""")
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# The set of source files associated with this SConscript file.
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@ -74,14 +74,24 @@ eMBException prveMBError2Exception( eMBErrorCode eErrorCode );
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#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
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#if MB_FUNC_READ_COILS_ENABLED > 0
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/**
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* This function will request read coil.
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*
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* @param ucSndAddr salve address
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* @param usCoilAddr coil start address
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* @param usNCoils coil total number
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* @param lTimeOut timeout (-1 will waiting forever)
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*
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* @return error code
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*/
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eMBMasterReqErrCode
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eMBMasterReqReadCoils( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usNCoils )
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eMBMasterReqReadCoils( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usNCoils ,LONG lTimeOut )
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{
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UCHAR *ucMBFrame;
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eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
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if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
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else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
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else
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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@ -93,6 +103,8 @@ eMBMasterReqReadCoils( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usNCoils )
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ucMBFrame[MB_PDU_REQ_READ_COILCNT_OFF + 1] = usNCoils;
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vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_READ_SIZE );
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( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
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eErrStatus = eMBMasterWaitRequestFinish( );
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}
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return eErrStatus;
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}
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@ -108,7 +120,12 @@ eMBMasterFuncReadCoils( UCHAR * pucFrame, USHORT * usLen )
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eMBException eStatus = MB_EX_NONE;
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eMBErrorCode eRegStatus;
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if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN )
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/* If this request is broadcast, and it's read mode. This request don't need execute. */
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if ( xMBMasterRequestIsBroadcast() )
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{
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eStatus = MB_EX_NONE;
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}
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else if ( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN )
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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usRegAddress = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_ADDR_OFF] << 8 );
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@ -136,7 +153,7 @@ eMBMasterFuncReadCoils( UCHAR * pucFrame, USHORT * usLen )
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( ucByteCount == pucFrame[MB_PDU_FUNC_READ_COILCNT_OFF] ) )
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{
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/* Make callback to fill the buffer. */
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eRegStatus = eMBRegCoilsCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usCoilCount, MB_REG_READ );
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eRegStatus = eMBMasterRegCoilsCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usCoilCount, MB_REG_READ );
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/* If an error occured convert it into a Modbus exception. */
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if( eRegStatus != MB_ENOERR )
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@ -161,15 +178,27 @@ eMBMasterFuncReadCoils( UCHAR * pucFrame, USHORT * usLen )
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#if MB_FUNC_WRITE_COIL_ENABLED > 0
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/**
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* This function will request write one coil.
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*
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* @param ucSndAddr salve address
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* @param usCoilAddr coil start address
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* @param usCoilData data to be written
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* @param lTimeOut timeout (-1 will waiting forever)
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*
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* @return error code
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*
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* @see eMBMasterReqWriteMultipleCoils
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*/
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eMBMasterReqErrCode
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eMBMasterReqWriteCoil( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usCoilData )
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eMBMasterReqWriteCoil( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usCoilData, LONG lTimeOut )
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{
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UCHAR *ucMBFrame;
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eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
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if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
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else if ( usCoilAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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if ( usCoilAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( ( usCoilData != 0xFF00 ) && ( usCoilData != 0x0000 ) ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
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else
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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@ -181,6 +210,7 @@ eMBMasterReqWriteCoil( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usCoilData )
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ucMBFrame[MB_PDU_REQ_WRITE_VALUE_OFF + 1] = usCoilData;
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vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_WRITE_SIZE );
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( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
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eErrStatus = eMBMasterWaitRequestFinish( );
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}
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return eErrStatus;
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}
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@ -214,7 +244,7 @@ eMBMasterFuncWriteCoil( UCHAR * pucFrame, USHORT * usLen )
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ucBuf[0] = 0;
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}
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eRegStatus =
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eMBRegCoilsCB( &ucBuf[0], usRegAddress, 1, MB_REG_WRITE );
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eMBMasterRegCoilsCB( &ucBuf[0], usRegAddress, 1, MB_REG_WRITE );
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/* If an error occured convert it into a Modbus exception. */
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if( eRegStatus != MB_ENOERR )
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@ -240,18 +270,31 @@ eMBMasterFuncWriteCoil( UCHAR * pucFrame, USHORT * usLen )
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#if MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED > 0
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/**
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* This function will request write multiple coils.
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*
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* @param ucSndAddr salve address
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* @param usCoilAddr coil start address
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* @param usNCoils coil total number
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* @param usCoilData data to be written
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* @param lTimeOut timeout (-1 will waiting forever)
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*
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* @return error code
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*
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* @see eMBMasterReqWriteCoil
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*/
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eMBMasterReqErrCode
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eMBMasterReqWriteMultipleCoils( UCHAR ucSndAddr,
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USHORT usCoilAddr, USHORT usNCoils, UCHAR * pucDataBuffer )
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USHORT usCoilAddr, USHORT usNCoils, UCHAR * pucDataBuffer, LONG lTimeOut)
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{
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UCHAR *ucMBFrame;
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USHORT usRegIndex = 0;
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UCHAR ucByteCount;
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eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
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if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
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else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( usNCoils > MB_PDU_REQ_WRITE_MUL_COILCNT_MAX ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
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else
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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@ -277,6 +320,7 @@ eMBMasterReqWriteMultipleCoils( UCHAR ucSndAddr,
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}
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vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_WRITE_MUL_SIZE_MIN + ucByteCount );
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( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
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eErrStatus = eMBMasterWaitRequestFinish( );
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}
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return eErrStatus;
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}
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@ -293,7 +337,8 @@ eMBMasterFuncWriteMultipleCoils( UCHAR * pucFrame, USHORT * usLen )
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eMBException eStatus = MB_EX_NONE;
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eMBErrorCode eRegStatus;
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if( *usLen == MB_PDU_FUNC_WRITE_MUL_SIZE )
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/* If this request is broadcast, the *usLen is not need check. */
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if( ( *usLen == MB_PDU_FUNC_WRITE_MUL_SIZE ) || xMBMasterRequestIsBroadcast() )
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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usRegAddress = ( USHORT )( pucFrame[MB_PDU_FUNC_WRITE_MUL_ADDR_OFF] << 8 );
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@ -318,7 +363,7 @@ eMBMasterFuncWriteMultipleCoils( UCHAR * pucFrame, USHORT * usLen )
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if( ( usCoilCnt >= 1 ) && ( ucByteCountVerify == ucByteCount ) )
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{
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eRegStatus =
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eMBRegCoilsCB( &ucMBFrame[MB_PDU_REQ_WRITE_MUL_VALUES_OFF],
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eMBMasterRegCoilsCB( &ucMBFrame[MB_PDU_REQ_WRITE_MUL_VALUES_OFF],
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usRegAddress, usCoilCnt, MB_REG_WRITE );
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/* If an error occured convert it into a Modbus exception. */
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@ -57,16 +57,26 @@ eMBException prveMBError2Exception( eMBErrorCode eErrorCode );
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/* ----------------------- Start implementation -----------------------------*/
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#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
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#if MB_FUNC_READ_COILS_ENABLED > 0
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#if MB_FUNC_READ_DISCRETE_INPUTS_ENABLED > 0
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/**
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* This function will request read discrete inputs.
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*
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* @param ucSndAddr salve address
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* @param usDiscreteAddr discrete start address
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* @param usNDiscreteIn discrete total number
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* @param lTimeOut timeout (-1 will waiting forever)
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*
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* @return error code
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*/
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eMBMasterReqErrCode
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eMBMasterReqReadDiscreteInputs( UCHAR ucSndAddr, USHORT usDiscreteAddr, USHORT usNDiscreteIn )
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eMBMasterReqReadDiscreteInputs( UCHAR ucSndAddr, USHORT usDiscreteAddr, USHORT usNDiscreteIn, LONG lTimeOut )
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{
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UCHAR *ucMBFrame;
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eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
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if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
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else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
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else
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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@ -78,6 +88,7 @@ eMBMasterReqReadDiscreteInputs( UCHAR ucSndAddr, USHORT usDiscreteAddr, USHORT u
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ucMBFrame[MB_PDU_REQ_READ_DISCCNT_OFF + 1] = usNDiscreteIn;
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vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_READ_SIZE );
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( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
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eErrStatus = eMBMasterWaitRequestFinish( );
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}
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return eErrStatus;
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}
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@ -93,7 +104,12 @@ eMBMasterFuncReadDiscreteInputs( UCHAR * pucFrame, USHORT * usLen )
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eMBException eStatus = MB_EX_NONE;
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eMBErrorCode eRegStatus;
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if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN )
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/* If this request is broadcast, and it's read mode. This request don't need execute. */
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if ( xMBMasterRequestIsBroadcast() )
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{
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eStatus = MB_EX_NONE;
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}
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else if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN )
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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usRegAddress = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_ADDR_OFF] << 8 );
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@ -120,7 +136,7 @@ eMBMasterFuncReadDiscreteInputs( UCHAR * pucFrame, USHORT * usLen )
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if ((usDiscreteCnt >= 1) && ucNBytes == pucFrame[MB_PDU_FUNC_READ_DISCCNT_OFF])
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{
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/* Make callback to fill the buffer. */
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eRegStatus = eMBRegDiscreteCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usDiscreteCnt );
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eRegStatus = eMBMasterRegDiscreteCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usDiscreteCnt );
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/* If an error occured convert it into a Modbus exception. */
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if( eRegStatus != MB_ENOERR )
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@ -86,14 +86,24 @@ eMBException prveMBError2Exception( eMBErrorCode eErrorCode );
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#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
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#if MB_FUNC_WRITE_HOLDING_ENABLED > 0
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/**
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* This function will request write holding register.
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*
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* @param ucSndAddr salve address
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* @param usRegAddr register start address
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* @param usRegData register data to be written
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* @param lTimeOut timeout (-1 will waiting forever)
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*
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* @return error code
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*/
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eMBMasterReqErrCode
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eMBMasterReqWriteHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usRegData )
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eMBMasterReqWriteHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usRegData, LONG lTimeOut )
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{
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UCHAR *ucMBFrame;
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eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
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if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
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else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
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else
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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@ -105,6 +115,7 @@ eMBMasterReqWriteHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usRe
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ucMBFrame[MB_PDU_REQ_WRITE_VALUE_OFF + 1] = usRegData ;
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vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_WRITE_SIZE );
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( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
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eErrStatus = eMBMasterWaitRequestFinish( );
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}
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return eErrStatus;
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}
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@ -123,7 +134,7 @@ eMBMasterFuncWriteHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
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usRegAddress++;
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/* Make callback to update the value. */
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eRegStatus = eMBRegHoldingCB( &pucFrame[MB_PDU_FUNC_WRITE_VALUE_OFF],
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eRegStatus = eMBMasterRegHoldingCB( &pucFrame[MB_PDU_FUNC_WRITE_VALUE_OFF],
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usRegAddress, 1, MB_REG_WRITE );
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/* If an error occured convert it into a Modbus exception. */
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@ -143,16 +154,27 @@ eMBMasterFuncWriteHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
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#if MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED > 0
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/**
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* This function will request write multiple holding register.
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*
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* @param ucSndAddr salve address
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* @param usRegAddr register start address
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* @param usNRegs register total number
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* @param pusDataBuffer data to be written
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* @param lTimeOut timeout (-1 will waiting forever)
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*
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* @return error code
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*/
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eMBMasterReqErrCode
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eMBMasterReqWriteMultipleHoldingRegister( UCHAR ucSndAddr,
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USHORT usRegAddr, USHORT usNRegs, USHORT * pusDataBuffer )
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USHORT usRegAddr, USHORT usNRegs, USHORT * pusDataBuffer, LONG lTimeOut )
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{
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UCHAR *ucMBFrame;
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USHORT usRegIndex = 0;
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eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
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if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
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else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
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else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
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else
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{
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vMBMasterGetPDUSndBuf(&ucMBFrame);
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@ -171,6 +193,7 @@ eMBMasterReqWriteMultipleHoldingRegister( UCHAR ucSndAddr,
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}
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vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_WRITE_MUL_SIZE_MIN + 2*usNRegs );
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( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
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eErrStatus = eMBMasterWaitRequestFinish( );
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}
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return eErrStatus;
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}
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@ -186,7 +209,8 @@ eMBMasterFuncWriteMultipleHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
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eMBException eStatus = MB_EX_NONE;
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eMBErrorCode eRegStatus;
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if( *usLen == MB_PDU_SIZE_MIN + MB_PDU_FUNC_WRITE_MUL_SIZE )
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/* If this request is broadcast, the *usLen is not need check. */
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if( ( *usLen == MB_PDU_SIZE_MIN + MB_PDU_FUNC_WRITE_MUL_SIZE ) || xMBMasterRequestIsBroadcast() )
|
||||
{
|
||||
vMBMasterGetPDUSndBuf(&ucMBFrame);
|
||||
usRegAddress = ( USHORT )( ucMBFrame[MB_PDU_REQ_WRITE_MUL_ADDR_OFF] << 8 );
|
||||
|
@ -202,7 +226,7 @@ eMBMasterFuncWriteMultipleHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
{
|
||||
/* Make callback to update the register values. */
|
||||
eRegStatus =
|
||||
eMBRegHoldingCB( &ucMBFrame[MB_PDU_REQ_WRITE_MUL_VALUES_OFF],
|
||||
eMBMasterRegHoldingCB( &ucMBFrame[MB_PDU_REQ_WRITE_MUL_VALUES_OFF],
|
||||
usRegAddress, usRegCount, MB_REG_WRITE );
|
||||
|
||||
/* If an error occured convert it into a Modbus exception. */
|
||||
|
@ -227,14 +251,24 @@ eMBMasterFuncWriteMultipleHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
|
||||
#if MB_FUNC_READ_HOLDING_ENABLED > 0
|
||||
|
||||
/**
|
||||
* This function will request read holding register.
|
||||
*
|
||||
* @param ucSndAddr salve address
|
||||
* @param usRegAddr register start address
|
||||
* @param usNRegs register total number
|
||||
* @param lTimeOut timeout (-1 will waiting forever)
|
||||
*
|
||||
* @return error code
|
||||
*/
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs )
|
||||
eMBMasterReqReadHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs, LONG lTimeOut )
|
||||
{
|
||||
UCHAR *ucMBFrame;
|
||||
eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
|
||||
|
||||
if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
|
||||
else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
|
||||
if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
|
||||
else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
|
||||
else
|
||||
{
|
||||
vMBMasterGetPDUSndBuf(&ucMBFrame);
|
||||
|
@ -246,6 +280,7 @@ eMBMasterReqReadHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRe
|
|||
ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF + 1] = usNRegs;
|
||||
vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_READ_SIZE );
|
||||
( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
|
||||
eErrStatus = eMBMasterWaitRequestFinish( );
|
||||
}
|
||||
return eErrStatus;
|
||||
}
|
||||
|
@ -260,7 +295,12 @@ eMBMasterFuncReadHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
eMBException eStatus = MB_EX_NONE;
|
||||
eMBErrorCode eRegStatus;
|
||||
|
||||
if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN )
|
||||
/* If this request is broadcast, and it's read mode. This request don't need execute. */
|
||||
if ( xMBMasterRequestIsBroadcast() )
|
||||
{
|
||||
eStatus = MB_EX_NONE;
|
||||
}
|
||||
else if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN )
|
||||
{
|
||||
vMBMasterGetPDUSndBuf(&ucMBFrame);
|
||||
usRegAddress = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_ADDR_OFF] << 8 );
|
||||
|
@ -268,7 +308,7 @@ eMBMasterFuncReadHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
usRegAddress++;
|
||||
|
||||
usRegCount = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF] << 8 );
|
||||
usRegCount = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF + 1] );
|
||||
usRegCount |= ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF + 1] );
|
||||
|
||||
/* Check if the number of registers to read is valid. If not
|
||||
* return Modbus illegal data value exception.
|
||||
|
@ -276,7 +316,7 @@ eMBMasterFuncReadHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
if( ( usRegCount >= 1 ) && ( 2 * usRegCount == pucFrame[MB_PDU_FUNC_READ_BYTECNT_OFF] ) )
|
||||
{
|
||||
/* Make callback to fill the buffer. */
|
||||
eRegStatus = eMBRegHoldingCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usRegCount, MB_REG_READ );
|
||||
eRegStatus = eMBMasterRegHoldingCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usRegCount, MB_REG_READ );
|
||||
/* If an error occured convert it into a Modbus exception. */
|
||||
if( eRegStatus != MB_ENOERR )
|
||||
{
|
||||
|
@ -300,17 +340,30 @@ eMBMasterFuncReadHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
|
||||
#if MB_FUNC_READWRITE_HOLDING_ENABLED > 0
|
||||
|
||||
/**
|
||||
* This function will request read and write holding register.
|
||||
*
|
||||
* @param ucSndAddr salve address
|
||||
* @param usReadRegAddr read register start address
|
||||
* @param usNReadRegs read register total number
|
||||
* @param pusDataBuffer data to be written
|
||||
* @param usWriteRegAddr write register start address
|
||||
* @param usNWriteRegs write register total number
|
||||
* @param lTimeOut timeout (-1 will waiting forever)
|
||||
*
|
||||
* @return error code
|
||||
*/
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadWriteMultipleHoldingRegister( UCHAR ucSndAddr,
|
||||
USHORT usReadRegAddr, USHORT usNReadRegs, USHORT * pusDataBuffer,
|
||||
USHORT usWriteRegAddr, USHORT usNWriteRegs )
|
||||
USHORT usWriteRegAddr, USHORT usNWriteRegs, LONG lTimeOut )
|
||||
{
|
||||
UCHAR *ucMBFrame;
|
||||
USHORT usRegIndex = 0;
|
||||
eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
|
||||
|
||||
if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
|
||||
else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
|
||||
if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
|
||||
else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
|
||||
else
|
||||
{
|
||||
vMBMasterGetPDUSndBuf(&ucMBFrame);
|
||||
|
@ -333,6 +386,7 @@ eMBMasterReqReadWriteMultipleHoldingRegister( UCHAR ucSndAddr,
|
|||
}
|
||||
vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_READWRITE_SIZE_MIN + 2*usNWriteRegs );
|
||||
( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
|
||||
eErrStatus = eMBMasterWaitRequestFinish( );
|
||||
}
|
||||
return eErrStatus;
|
||||
}
|
||||
|
@ -349,7 +403,12 @@ eMBMasterFuncReadWriteMultipleHoldingRegister( UCHAR * pucFrame, USHORT * usLen
|
|||
eMBException eStatus = MB_EX_NONE;
|
||||
eMBErrorCode eRegStatus;
|
||||
|
||||
if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READWRITE_SIZE_MIN)
|
||||
/* If this request is broadcast, and it's read mode. This request don't need execute. */
|
||||
if ( xMBMasterRequestIsBroadcast() )
|
||||
{
|
||||
eStatus = MB_EX_NONE;
|
||||
}
|
||||
else if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READWRITE_SIZE_MIN )
|
||||
{
|
||||
vMBMasterGetPDUSndBuf(&ucMBFrame);
|
||||
usRegReadAddress = ( USHORT )( ucMBFrame[MB_PDU_REQ_READWRITE_READ_ADDR_OFF] << 8U );
|
||||
|
@ -369,13 +428,13 @@ eMBMasterFuncReadWriteMultipleHoldingRegister( UCHAR * pucFrame, USHORT * usLen
|
|||
if( ( 2 * usRegReadCount ) == pucFrame[MB_PDU_FUNC_READWRITE_READ_BYTECNT_OFF] )
|
||||
{
|
||||
/* Make callback to update the register values. */
|
||||
eRegStatus = eMBRegHoldingCB( &ucMBFrame[MB_PDU_REQ_READWRITE_WRITE_VALUES_OFF],
|
||||
eRegStatus = eMBMasterRegHoldingCB( &ucMBFrame[MB_PDU_REQ_READWRITE_WRITE_VALUES_OFF],
|
||||
usRegWriteAddress, usRegWriteCount, MB_REG_WRITE );
|
||||
|
||||
if( eRegStatus == MB_ENOERR )
|
||||
{
|
||||
/* Make the read callback. */
|
||||
eRegStatus = eMBRegHoldingCB(&pucFrame[MB_PDU_FUNC_READWRITE_READ_VALUES_OFF],
|
||||
eRegStatus = eMBMasterRegHoldingCB(&pucFrame[MB_PDU_FUNC_READWRITE_READ_VALUES_OFF],
|
||||
usRegReadAddress, usRegReadCount, MB_REG_READ);
|
||||
}
|
||||
if( eRegStatus != MB_ENOERR )
|
||||
|
|
|
@ -59,14 +59,24 @@ eMBException prveMBError2Exception( eMBErrorCode eErrorCode );
|
|||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
|
||||
#if MB_FUNC_READ_INPUT_ENABLED > 0
|
||||
|
||||
/**
|
||||
* This function will request read input register.
|
||||
*
|
||||
* @param ucSndAddr salve address
|
||||
* @param usRegAddr register start address
|
||||
* @param usNRegs register total number
|
||||
* @param lTimeOut timeout (-1 will waiting forever)
|
||||
*
|
||||
* @return error code
|
||||
*/
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadInputRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs )
|
||||
eMBMasterReqReadInputRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs, LONG lTimeOut )
|
||||
{
|
||||
UCHAR *ucMBFrame;
|
||||
eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
|
||||
|
||||
if ( xMBMasterGetIsBusy() ) eErrStatus = MB_MRE_MASTER_BUSY;
|
||||
else if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
|
||||
if ( ucSndAddr > MB_MASTER_TOTAL_SLAVE_NUM ) eErrStatus = MB_MRE_ILL_ARG;
|
||||
else if ( xMBMasterRunResTake( lTimeOut ) == FALSE ) eErrStatus = MB_MRE_MASTER_BUSY;
|
||||
else
|
||||
{
|
||||
vMBMasterGetPDUSndBuf(&ucMBFrame);
|
||||
|
@ -78,6 +88,7 @@ eMBMasterReqReadInputRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs
|
|||
ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF + 1] = usNRegs;
|
||||
vMBMasterSetPDUSndLength( MB_PDU_SIZE_MIN + MB_PDU_REQ_READ_SIZE );
|
||||
( void ) xMBMasterPortEventPost( EV_MASTER_FRAME_SENT );
|
||||
eErrStatus = eMBMasterWaitRequestFinish( );
|
||||
}
|
||||
return eErrStatus;
|
||||
}
|
||||
|
@ -92,7 +103,12 @@ eMBMasterFuncReadInputRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
eMBException eStatus = MB_EX_NONE;
|
||||
eMBErrorCode eRegStatus;
|
||||
|
||||
if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN)
|
||||
/* If this request is broadcast, and it's read mode. This request don't need execute. */
|
||||
if ( xMBMasterRequestIsBroadcast() )
|
||||
{
|
||||
eStatus = MB_EX_NONE;
|
||||
}
|
||||
else if( *usLen >= MB_PDU_SIZE_MIN + MB_PDU_FUNC_READ_SIZE_MIN )
|
||||
{
|
||||
vMBMasterGetPDUSndBuf(&ucMBFrame);
|
||||
usRegAddress = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_ADDR_OFF] << 8 );
|
||||
|
@ -100,7 +116,7 @@ eMBMasterFuncReadInputRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
usRegAddress++;
|
||||
|
||||
usRegCount = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF] << 8 );
|
||||
usRegCount = ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF + 1] );
|
||||
usRegCount |= ( USHORT )( ucMBFrame[MB_PDU_REQ_READ_REGCNT_OFF + 1] );
|
||||
|
||||
/* Check if the number of registers to read is valid. If not
|
||||
* return Modbus illegal data value exception.
|
||||
|
@ -108,7 +124,7 @@ eMBMasterFuncReadInputRegister( UCHAR * pucFrame, USHORT * usLen )
|
|||
if( ( usRegCount >= 1 ) && ( 2 * usRegCount == pucFrame[MB_PDU_FUNC_READ_BYTECNT_OFF] ) )
|
||||
{
|
||||
/* Make callback to fill the buffer. */
|
||||
eRegStatus = eMBRegInputCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usRegCount );
|
||||
eRegStatus = eMBMasterRegInputCB( &pucFrame[MB_PDU_FUNC_READ_VALUES_OFF], usRegAddress, usRegCount );
|
||||
/* If an error occured convert it into a Modbus exception. */
|
||||
if( eRegStatus != MB_ENOERR )
|
||||
{
|
||||
|
|
|
@ -77,13 +77,10 @@ typedef enum
|
|||
MB_MRE_NO_ERR, /*!< no error. */
|
||||
MB_MRE_NO_REG, /*!< illegal register address. */
|
||||
MB_MRE_ILL_ARG, /*!< illegal argument. */
|
||||
MB_MRE_PORT_ERR, /*!< porting layer error. */
|
||||
MB_MRE_NO_RES, /*!< insufficient resources. */
|
||||
MB_MRE_IO, /*!< I/O error. */
|
||||
MB_MRE_ILL_STATE, /*!< protocol stack in illegal state. */
|
||||
MB_MRE_REV_DATA, /*!< receive data error. */
|
||||
MB_MRE_TIMEDOUT, /*!< timeout error occurred. */
|
||||
MB_MRE_MASTER_BUSY, /*!< master is busy now. */
|
||||
MB_MRE_SLAVE_EXCE /*!< slave has exception. */
|
||||
MB_MRE_EXE_FUN /*!< execute function error. */
|
||||
} eMBMasterReqErrCode;
|
||||
/*! \ingroup modbus
|
||||
* \brief TimerMode is Master 3 kind of Timer modes.
|
||||
|
@ -189,31 +186,176 @@ eMBErrorCode eMBMasterDisable( void );
|
|||
*/
|
||||
eMBErrorCode eMBMasterPoll( void );
|
||||
|
||||
/*! \ingroup modbus
|
||||
* \brief Registers a callback handler for a given function code.
|
||||
*
|
||||
* This function registers a new callback handler for a given function code.
|
||||
* The callback handler supplied is responsible for interpreting the Modbus PDU and
|
||||
* the creation of an appropriate response. In case of an error it should return
|
||||
* one of the possible Modbus exceptions which results in a Modbus exception frame
|
||||
* sent by the protocol stack.
|
||||
*
|
||||
* \param ucFunctionCode The Modbus function code for which this handler should
|
||||
* be registers. Valid function codes are in the range 1 to 127.
|
||||
* \param pxHandler The function handler which should be called in case
|
||||
* such a frame is received. If \c NULL a previously registered function handler
|
||||
* for this function code is removed.
|
||||
*
|
||||
* \return eMBErrorCode::MB_ENOERR if the handler has been installed. If no
|
||||
* more resources are available it returns eMBErrorCode::MB_ENORES. In this
|
||||
* case the values in mbconfig.h should be adjusted. If the argument was not
|
||||
* valid it returns eMBErrorCode::MB_EINVAL.
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegisterCB( UCHAR ucFunctionCode,
|
||||
pxMBFunctionHandler pxHandler );
|
||||
|
||||
/* ----------------------- Callback -----------------------------------------*/
|
||||
|
||||
/*! \defgroup modbus_master registers Modbus Registers
|
||||
* \code #include "mb_m.h" \endcode
|
||||
* The protocol stack does not internally allocate any memory for the
|
||||
* registers. This makes the protocol stack very small and also usable on
|
||||
* low end targets. In addition the values don't have to be in the memory
|
||||
* and could for example be stored in a flash.<br>
|
||||
* Whenever the protocol stack requires a value it calls one of the callback
|
||||
* function with the register address and the number of registers to read
|
||||
* as an argument. The application should then read the actual register values
|
||||
* (for example the ADC voltage) and should store the result in the supplied
|
||||
* buffer.<br>
|
||||
* If the protocol stack wants to update a register value because a write
|
||||
* register function was received a buffer with the new register values is
|
||||
* passed to the callback function. The function should then use these values
|
||||
* to update the application register values.
|
||||
*/
|
||||
|
||||
/*! \ingroup modbus_registers
|
||||
* \brief Callback function used if the value of a <em>Input Register</em>
|
||||
* is required by the protocol stack. The starting register address is given
|
||||
* by \c usAddress and the last register is given by <tt>usAddress +
|
||||
* usNRegs - 1</tt>.
|
||||
*
|
||||
* \param pucRegBuffer A buffer where the callback function should write
|
||||
* the current value of the modbus registers to.
|
||||
* \param usAddress The starting address of the register. Input registers
|
||||
* are in the range 1 - 65535.
|
||||
* \param usNRegs Number of registers the callback function must supply.
|
||||
*
|
||||
* \return The function must return one of the following error codes:
|
||||
* - eMBErrorCode::MB_ENOERR If no error occurred. In this case a normal
|
||||
* Modbus response is sent.
|
||||
* - eMBErrorCode::MB_ENOREG If the application does not map an coils
|
||||
* within the requested address range. In this case a
|
||||
* <b>ILLEGAL DATA ADDRESS</b> is sent as a response.
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNRegs );
|
||||
|
||||
/*! \ingroup modbus_registers
|
||||
* \brief Callback function used if a <em>Holding Register</em> value is
|
||||
* read or written by the protocol stack. The starting register address
|
||||
* is given by \c usAddress and the last register is given by
|
||||
* <tt>usAddress + usNRegs - 1</tt>.
|
||||
*
|
||||
* \param pucRegBuffer If the application registers values should be updated the
|
||||
* buffer points to the new registers values. If the protocol stack needs
|
||||
* to now the current values the callback function should write them into
|
||||
* this buffer.
|
||||
* \param usAddress The starting address of the register.
|
||||
* \param usNRegs Number of registers to read or write.
|
||||
* \param eMode If eMBRegisterMode::MB_REG_WRITE the application register
|
||||
* values should be updated from the values in the buffer. For example
|
||||
* this would be the case when the Modbus master has issued an
|
||||
* <b>WRITE SINGLE REGISTER</b> command.
|
||||
* If the value eMBRegisterMode::MB_REG_READ the application should copy
|
||||
* the current values into the buffer \c pucRegBuffer.
|
||||
*
|
||||
* \return The function must return one of the following error codes:
|
||||
* - eMBErrorCode::MB_ENOERR If no error occurred. In this case a normal
|
||||
* Modbus response is sent.
|
||||
* - eMBErrorCode::MB_ENOREG If the application does not map an coils
|
||||
* within the requested address range. In this case a
|
||||
* <b>ILLEGAL DATA ADDRESS</b> is sent as a response.
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNRegs, eMBRegisterMode eMode );
|
||||
|
||||
/*! \ingroup modbus_registers
|
||||
* \brief Callback function used if a <em>Coil Register</em> value is
|
||||
* read or written by the protocol stack. If you are going to use
|
||||
* this function you might use the functions xMBUtilSetBits( ) and
|
||||
* xMBUtilGetBits( ) for working with bitfields.
|
||||
*
|
||||
* \param pucRegBuffer The bits are packed in bytes where the first coil
|
||||
* starting at address \c usAddress is stored in the LSB of the
|
||||
* first byte in the buffer <code>pucRegBuffer</code>.
|
||||
* If the buffer should be written by the callback function unused
|
||||
* coil values (I.e. if not a multiple of eight coils is used) should be set
|
||||
* to zero.
|
||||
* \param usAddress The first coil number.
|
||||
* \param usNCoils Number of coil values requested.
|
||||
* \param eMode If eMBRegisterMode::MB_REG_WRITE the application values should
|
||||
* be updated from the values supplied in the buffer \c pucRegBuffer.
|
||||
* If eMBRegisterMode::MB_REG_READ the application should store the current
|
||||
* values in the buffer \c pucRegBuffer.
|
||||
*
|
||||
* \return The function must return one of the following error codes:
|
||||
* - eMBErrorCode::MB_ENOERR If no error occurred. In this case a normal
|
||||
* Modbus response is sent.
|
||||
* - eMBErrorCode::MB_ENOREG If the application does not map an coils
|
||||
* within the requested address range. In this case a
|
||||
* <b>ILLEGAL DATA ADDRESS</b> is sent as a response.
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNCoils, eMBRegisterMode eMode );
|
||||
|
||||
/*! \ingroup modbus_registers
|
||||
* \brief Callback function used if a <em>Input Discrete Register</em> value is
|
||||
* read by the protocol stack.
|
||||
*
|
||||
* If you are going to use his function you might use the functions
|
||||
* xMBUtilSetBits( ) and xMBUtilGetBits( ) for working with bitfields.
|
||||
*
|
||||
* \param pucRegBuffer The buffer should be updated with the current
|
||||
* coil values. The first discrete input starting at \c usAddress must be
|
||||
* stored at the LSB of the first byte in the buffer. If the requested number
|
||||
* is not a multiple of eight the remaining bits should be set to zero.
|
||||
* \param usAddress The starting address of the first discrete input.
|
||||
* \param usNDiscrete Number of discrete input values.
|
||||
* \return The function must return one of the following error codes:
|
||||
* - eMBErrorCode::MB_ENOERR If no error occurred. In this case a normal
|
||||
* Modbus response is sent.
|
||||
* - eMBErrorCode::MB_ENOREG If the application does not map an coils
|
||||
* within the requested address range. In this case a
|
||||
* <b>ILLEGAL DATA ADDRESS</b> is sent as a response.
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNDiscrete );
|
||||
|
||||
/*! \ingroup modbus
|
||||
*\brief These Modbus functions are called for user when Modbus run in Master Mode.
|
||||
*/
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadInputRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs );
|
||||
eMBMasterReqReadInputRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqWriteHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usRegData );
|
||||
eMBMasterReqWriteHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usRegData, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqWriteMultipleHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs, USHORT * pusDataBuffer );
|
||||
eMBMasterReqWriteMultipleHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr,
|
||||
USHORT usNRegs, USHORT * pusDataBuffer, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs );
|
||||
eMBMasterReqReadHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usNRegs, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadWriteMultipleHoldingRegister( UCHAR ucSndAddr,
|
||||
USHORT usReadRegAddr, USHORT usNReadRegs, USHORT * pusDataBuffer,
|
||||
USHORT usWriteRegAddr, USHORT usNWriteRegs );
|
||||
USHORT usWriteRegAddr, USHORT usNWriteRegs, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadCoils( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usNCoils );
|
||||
eMBMasterReqReadCoils( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usNCoils, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqWriteCoil( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usCoilData );
|
||||
eMBMasterReqWriteCoil( UCHAR ucSndAddr, USHORT usCoilAddr, USHORT usCoilData, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqWriteMultipleCoils( UCHAR ucSndAddr,
|
||||
USHORT usCoilAddr, USHORT usNCoils, UCHAR * pucDataBuffer );
|
||||
USHORT usCoilAddr, USHORT usNCoils, UCHAR * pucDataBuffer, LONG lTimeOut );
|
||||
eMBMasterReqErrCode
|
||||
eMBMasterReqReadDiscreteInputs( UCHAR ucSndAddr, USHORT usDiscreteAddr, USHORT usNDiscreteIn );
|
||||
eMBMasterReqReadDiscreteInputs( UCHAR ucSndAddr, USHORT usDiscreteAddr, USHORT usNDiscreteIn, LONG lTimeOut );
|
||||
|
||||
eMBException
|
||||
eMBMasterFuncReportSlaveID( UCHAR * pucFrame, USHORT * usLen );
|
||||
|
@ -239,16 +381,18 @@ eMBMasterFuncReadWriteMultipleHoldingRegister( UCHAR * pucFrame, USHORT * usLen
|
|||
/*£¡ \ingroup modbus
|
||||
*\brief These functions are interface for Modbus Master
|
||||
*/
|
||||
BOOL xMBMasterGetIsBusy( void );
|
||||
void vMBMasterGetPDUSndBuf( UCHAR ** pucFrame );
|
||||
UCHAR ucMBMasterGetDestAddress( void );
|
||||
void vMBMasterSetDestAddress( UCHAR Address );
|
||||
void vMBMasterSetIsBusy( BOOL IsBusy );
|
||||
BOOL xMBMasterGetCBRunInMasterMode( void );
|
||||
void vMBMasterSetCBRunInMasterMode( BOOL IsMasterMode );
|
||||
UCHAR ucMBMasterGetPDUSndLength( void );
|
||||
void vMBMasterSetPDUSndLength( UCHAR SendPDULength );
|
||||
USHORT usMBMasterGetPDUSndLength( void );
|
||||
void vMBMasterSetPDUSndLength( USHORT SendPDULength );
|
||||
void vMBMasterSetCurTimerMode( eMBMasterTimerMode eMBTimerMode );
|
||||
BOOL xMBMasterRequestIsBroadcast( void );
|
||||
eMBMasterErrorEventType eMBMasterGetErrorType( void );
|
||||
void vMBMasterSetErrorType( eMBMasterErrorEventType errorType );
|
||||
eMBMasterReqErrCode eMBMasterWaitRequestFinish( void );
|
||||
|
||||
/* ----------------------- Callback -----------------------------------------*/
|
||||
|
||||
|
|
|
@ -115,9 +115,9 @@ PR_BEGIN_EXTERN_C
|
|||
/*! \brief If master send a frame which is not broadcast,the master will wait sometime for slave.
|
||||
* And if slave is not respond in this time,the master will process this timeout error.
|
||||
* Then master can send other frame */
|
||||
#define MB_MASTER_TIMEOUT_MS_RESPOND (2000)
|
||||
/*! \brief The total slaves in Modbus Master system.Default 16.
|
||||
* Note : The slave ID must be continuous from 0.*/
|
||||
#define MB_MASTER_TIMEOUT_MS_RESPOND (100 )
|
||||
/*! \brief The total slaves in Modbus Master system. Default 16.
|
||||
* \note : The slave ID must be continuous from 1.*/
|
||||
#define MB_MASTER_TOTAL_SLAVE_NUM ( 16 )
|
||||
#endif
|
||||
|
||||
|
|
|
@ -36,25 +36,38 @@
|
|||
PR_BEGIN_EXTERN_C
|
||||
#endif
|
||||
|
||||
/* ----------------------- Defines ------------------------------------------*/
|
||||
|
||||
/* ----------------------- Type definitions ---------------------------------*/
|
||||
|
||||
typedef enum
|
||||
{
|
||||
EV_READY, /*!< Startup finished. */
|
||||
EV_FRAME_RECEIVED, /*!< Frame received. */
|
||||
EV_EXECUTE, /*!< Execute function. */
|
||||
EV_FRAME_SENT /*!< Frame sent. */
|
||||
EV_READY = 1<<0, /*!< Startup finished. */
|
||||
EV_FRAME_RECEIVED = 1<<1, /*!< Frame received. */
|
||||
EV_EXECUTE = 1<<2, /*!< Execute function. */
|
||||
EV_FRAME_SENT = 1<<3 /*!< Frame sent. */
|
||||
} eMBEventType;
|
||||
|
||||
typedef enum
|
||||
{
|
||||
EV_MASTER_READY, /*!< Startup finished. */
|
||||
EV_MASTER_FRAME_RECEIVED, /*!< Frame received. */
|
||||
EV_MASTER_EXECUTE, /*!< Execute function. */
|
||||
EV_MASTER_FRAME_SENT, /*!< Frame sent. */
|
||||
EV_MASTER_ERROR_PROCESS /*!< Frame error process*/
|
||||
EV_MASTER_READY = 1<<0, /*!< Startup finished. */
|
||||
EV_MASTER_FRAME_RECEIVED = 1<<1, /*!< Frame received. */
|
||||
EV_MASTER_EXECUTE = 1<<2, /*!< Execute function. */
|
||||
EV_MASTER_FRAME_SENT = 1<<3, /*!< Frame sent. */
|
||||
EV_MASTER_ERROR_PROCESS = 1<<4, /*!< Frame error process. */
|
||||
EV_MASTER_PROCESS_SUCESS = 1<<5, /*!< Request process success. */
|
||||
EV_MASTER_ERROR_RESPOND_TIMEOUT = 1<<6, /*!< Request respond timeout. */
|
||||
EV_MASTER_ERROR_RECEIVE_DATA = 1<<7, /*!< Request receive data error. */
|
||||
EV_MASTER_ERROR_EXECUTE_FUNCTION = 1<<8, /*!< Request execute function error. */
|
||||
} eMBMasterEventType;
|
||||
|
||||
typedef enum
|
||||
{
|
||||
EV_ERROR_RESPOND_TIMEOUT, /*!< Slave respond timeout. */
|
||||
EV_ERROR_RECEIVE_DATA, /*!< Receive frame data erroe. */
|
||||
EV_ERROR_EXECUTE_FUNCTION, /*!< Execute function error. */
|
||||
} eMBMasterErrorEventType;
|
||||
|
||||
/*! \ingroup modbus
|
||||
* \brief Parity used for characters in serial mode.
|
||||
*
|
||||
|
@ -82,6 +95,12 @@ BOOL xMBMasterPortEventPost( eMBMasterEventType eEvent );
|
|||
|
||||
BOOL xMBMasterPortEventGet( /*@out@ */ eMBMasterEventType * eEvent );
|
||||
|
||||
void vMBMasterOsResInit( void );
|
||||
|
||||
BOOL xMBMasterRunResTake( int32_t time );
|
||||
|
||||
void vMBMasterRunResRelease( void );
|
||||
|
||||
/* ----------------------- Serial port functions ----------------------------*/
|
||||
|
||||
BOOL xMBPortSerialInit( UCHAR ucPort, ULONG ulBaudRate,
|
||||
|
@ -97,7 +116,6 @@ INLINE BOOL xMBPortSerialGetByte( CHAR * pucByte );
|
|||
|
||||
INLINE BOOL xMBPortSerialPutByte( CHAR ucByte );
|
||||
|
||||
|
||||
BOOL xMBMasterPortSerialInit( UCHAR ucPort, ULONG ulBaudRate,
|
||||
UCHAR ucDataBits, eMBParity eParity );
|
||||
|
||||
|
@ -132,6 +150,18 @@ INLINE void vMBMasterPortTimersRespondTimeoutEnable( void );
|
|||
|
||||
INLINE void vMBMasterPortTimersDisable( void );
|
||||
|
||||
/* ----------------- Callback for the master error process ------------------*/
|
||||
void vMBMasterErrorCBRespondTimeout( UCHAR ucDestAddress, const UCHAR* pucPDUData,
|
||||
USHORT ucPDULength );
|
||||
|
||||
void vMBMasterErrorCBReceiveData( UCHAR ucDestAddress, const UCHAR* pucPDUData,
|
||||
USHORT ucPDULength );
|
||||
|
||||
void vMBMasterErrorCBExecuteFunction( UCHAR ucDestAddress, const UCHAR* pucPDUData,
|
||||
USHORT ucPDULength );
|
||||
|
||||
void vMBMasterCBRequestScuuess( void );
|
||||
|
||||
/* ----------------------- Callback for the protocol stack ------------------*/
|
||||
|
||||
/*!
|
||||
|
|
|
@ -65,7 +65,7 @@
|
|||
|
||||
static UCHAR ucMBMasterDestAddress;
|
||||
static BOOL xMBRunInMasterMode = FALSE;
|
||||
static BOOL xMasterIsBusy = FALSE;
|
||||
static eMBMasterErrorEventType eMBMasterCurErrorType;
|
||||
|
||||
static enum
|
||||
{
|
||||
|
@ -185,6 +185,8 @@ eMBMasterInit( eMBMode eMode, UCHAR ucPort, ULONG ulBaudRate, eMBParity eParity
|
|||
{
|
||||
eMBState = STATE_DISABLED;
|
||||
}
|
||||
/* initialize the OS resource for modbus master. */
|
||||
vMBMasterOsResInit();
|
||||
}
|
||||
return eStatus;
|
||||
}
|
||||
|
@ -257,9 +259,10 @@ eMBMasterPoll( void )
|
|||
static USHORT usLength;
|
||||
static eMBException eException;
|
||||
|
||||
int i;
|
||||
int i , j;
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
eMBMasterEventType eEvent;
|
||||
eMBMasterErrorEventType errorType;
|
||||
|
||||
/* Check if the protocol stack is ready. */
|
||||
if( eMBState != STATE_ENABLED )
|
||||
|
@ -285,6 +288,7 @@ eMBMasterPoll( void )
|
|||
}
|
||||
else
|
||||
{
|
||||
vMBMasterSetErrorType(EV_ERROR_RECEIVE_DATA);
|
||||
( void ) xMBMasterPortEventPost( EV_MASTER_ERROR_PROCESS );
|
||||
}
|
||||
break;
|
||||
|
@ -292,52 +296,80 @@ eMBMasterPoll( void )
|
|||
case EV_MASTER_EXECUTE:
|
||||
ucFunctionCode = ucMBFrame[MB_PDU_FUNC_OFF];
|
||||
eException = MB_EX_ILLEGAL_FUNCTION;
|
||||
for( i = 0; i < MB_FUNC_HANDLERS_MAX; i++ )
|
||||
{
|
||||
/* No more function handlers registered. Abort. */
|
||||
if( xMasterFuncHandlers[i].ucFunctionCode == 0 )
|
||||
{
|
||||
break;
|
||||
}
|
||||
else if( xMasterFuncHandlers[i].ucFunctionCode == ucFunctionCode )
|
||||
{
|
||||
vMBMasterSetCBRunInMasterMode(TRUE);
|
||||
eException = xMasterFuncHandlers[i].pxHandler( ucMBFrame, &usLength );
|
||||
vMBMasterSetCBRunInMasterMode(FALSE);
|
||||
break;
|
||||
}
|
||||
}
|
||||
/* If receive frame has exception .The receive function code highest bit is 1.*/
|
||||
if(ucFunctionCode >> 7) eException = (eMBException)ucMBFrame[MB_PDU_DATA_OFF];
|
||||
if(ucFunctionCode >> 7) {
|
||||
eException = (eMBException)ucMBFrame[MB_PDU_DATA_OFF];
|
||||
}
|
||||
else
|
||||
{
|
||||
for (i = 0; i < MB_FUNC_HANDLERS_MAX; i++)
|
||||
{
|
||||
/* No more function handlers registered. Abort. */
|
||||
if (xMasterFuncHandlers[i].ucFunctionCode == 0) {
|
||||
break;
|
||||
}
|
||||
else if (xMasterFuncHandlers[i].ucFunctionCode == ucFunctionCode) {
|
||||
vMBMasterSetCBRunInMasterMode(TRUE);
|
||||
/* If master request is broadcast,
|
||||
* the master need execute function for all slave.
|
||||
*/
|
||||
if ( xMBMasterRequestIsBroadcast() ) {
|
||||
usLength = usMBMasterGetPDUSndLength();
|
||||
for(j = 1; j <= MB_MASTER_TOTAL_SLAVE_NUM; j++){
|
||||
vMBMasterSetDestAddress(j);
|
||||
eException = xMasterFuncHandlers[i].pxHandler(ucMBFrame, &usLength);
|
||||
}
|
||||
}
|
||||
else {
|
||||
eException = xMasterFuncHandlers[i].pxHandler(ucMBFrame, &usLength);
|
||||
}
|
||||
vMBMasterSetCBRunInMasterMode(FALSE);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
/* If master has exception ,Master will send error process.Otherwise the Master is idle.*/
|
||||
if (eException != MB_EX_NONE) ( void ) xMBMasterPortEventPost( EV_MASTER_ERROR_PROCESS );
|
||||
else vMBMasterSetIsBusy( FALSE );
|
||||
if (eException != MB_EX_NONE) {
|
||||
vMBMasterSetErrorType(EV_ERROR_EXECUTE_FUNCTION);
|
||||
( void ) xMBMasterPortEventPost( EV_MASTER_ERROR_PROCESS );
|
||||
}
|
||||
else {
|
||||
vMBMasterCBRequestScuuess( );
|
||||
vMBMasterRunResRelease( );
|
||||
}
|
||||
break;
|
||||
|
||||
case EV_MASTER_FRAME_SENT:
|
||||
/* Master is busy now. */
|
||||
vMBMasterSetIsBusy( TRUE );
|
||||
vMBMasterGetPDUSndBuf( &ucMBFrame );
|
||||
eStatus = peMBMasterFrameSendCur( ucMBMasterGetDestAddress(), ucMBFrame, ucMBMasterGetPDUSndLength() );
|
||||
eStatus = peMBMasterFrameSendCur( ucMBMasterGetDestAddress(), ucMBFrame, usMBMasterGetPDUSndLength() );
|
||||
break;
|
||||
|
||||
case EV_MASTER_ERROR_PROCESS:
|
||||
vMBMasterSetIsBusy( FALSE );
|
||||
/* Execute specified error process callback function. */
|
||||
errorType = eMBMasterGetErrorType();
|
||||
vMBMasterGetPDUSndBuf( &ucMBFrame );
|
||||
switch (errorType) {
|
||||
case EV_ERROR_RESPOND_TIMEOUT:
|
||||
vMBMasterErrorCBRespondTimeout(ucMBMasterGetDestAddress(),
|
||||
ucMBFrame, usMBMasterGetPDUSndLength());
|
||||
break;
|
||||
case EV_ERROR_RECEIVE_DATA:
|
||||
vMBMasterErrorCBReceiveData(ucMBMasterGetDestAddress(),
|
||||
ucMBFrame, usMBMasterGetPDUSndLength());
|
||||
break;
|
||||
case EV_ERROR_EXECUTE_FUNCTION:
|
||||
vMBMasterErrorCBExecuteFunction(ucMBMasterGetDestAddress(),
|
||||
ucMBFrame, usMBMasterGetPDUSndLength());
|
||||
break;
|
||||
}
|
||||
vMBMasterRunResRelease();
|
||||
break;
|
||||
}
|
||||
}
|
||||
return MB_ENOERR;
|
||||
}
|
||||
/* Get whether the Modbus Master is busy.*/
|
||||
BOOL xMBMasterGetIsBusy( void )
|
||||
{
|
||||
return xMasterIsBusy;
|
||||
}
|
||||
/* Set whether the Modbus Master is busy.*/
|
||||
void vMBMasterSetIsBusy( BOOL IsBusy )
|
||||
{
|
||||
xMasterIsBusy = IsBusy;
|
||||
}
|
||||
|
||||
/* Get whether the Modbus Master is run in master mode.*/
|
||||
BOOL xMBMasterGetCBRunInMasterMode( void )
|
||||
{
|
||||
|
@ -348,15 +380,27 @@ void vMBMasterSetCBRunInMasterMode( BOOL IsMasterMode )
|
|||
{
|
||||
xMBRunInMasterMode = IsMasterMode;
|
||||
}
|
||||
/* Get Modbus Master send destination address*/
|
||||
/* Get Modbus Master send destination address. */
|
||||
UCHAR ucMBMasterGetDestAddress( void )
|
||||
{
|
||||
return ucMBMasterDestAddress;
|
||||
}
|
||||
/* Set Modbus Master send destination address*/
|
||||
/* Set Modbus Master send destination address. */
|
||||
void vMBMasterSetDestAddress( UCHAR Address )
|
||||
{
|
||||
ucMBMasterDestAddress = Address;
|
||||
}
|
||||
/* Get Modbus Master current error event type. */
|
||||
eMBMasterErrorEventType eMBMasterGetErrorType( void )
|
||||
{
|
||||
return eMBMasterCurErrorType;
|
||||
}
|
||||
/* Set Modbus Master current error event type. */
|
||||
void vMBMasterSetErrorType( eMBMasterErrorEventType errorType )
|
||||
{
|
||||
eMBMasterCurErrorType = errorType;
|
||||
}
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
|
|
|
@ -74,7 +74,7 @@ static volatile eMBMasterRcvState eRcvState;
|
|||
|
||||
static volatile UCHAR ucMasterRTUSndBuf[MB_PDU_SIZE_MAX];
|
||||
static volatile UCHAR ucMasterRTURcvBuf[MB_SER_PDU_SIZE_MAX];
|
||||
static volatile UCHAR ucMasterSendPDULength;
|
||||
static volatile USHORT usMasterSendPDULength;
|
||||
|
||||
static volatile UCHAR *pucMasterSndBufferCur;
|
||||
static volatile USHORT usMasterSndBufferCount;
|
||||
|
@ -235,7 +235,7 @@ xMBMasterRTUReceiveFSM( void )
|
|||
BOOL xTaskNeedSwitch = FALSE;
|
||||
UCHAR ucByte;
|
||||
|
||||
assert_param( eSndState == STATE_M_TX_IDLE );
|
||||
assert_param(( eSndState == STATE_M_TX_IDLE ) || ( eSndState == STATE_M_TX_XFWR ));
|
||||
|
||||
/* Always read the character. */
|
||||
( void )xMBMasterPortSerialGetByte( ( CHAR * ) & ucByte );
|
||||
|
@ -364,12 +364,15 @@ xMBMasterRTUTimerExpired(void)
|
|||
|
||||
/* An error occured while receiving the frame. */
|
||||
case STATE_M_RX_ERROR:
|
||||
vMBMasterSetErrorType(EV_ERROR_RECEIVE_DATA);
|
||||
xNeedPoll = xMBMasterPortEventPost( EV_MASTER_ERROR_PROCESS );
|
||||
break;
|
||||
|
||||
/* Function called in an illegal state. */
|
||||
default:
|
||||
assert_param(
|
||||
( eRcvState == STATE_M_RX_INIT ) || ( eRcvState == STATE_M_RX_RCV ) || ( eRcvState == STATE_M_RX_ERROR ));
|
||||
( eRcvState == STATE_M_RX_INIT ) || ( eRcvState == STATE_M_RX_RCV ) ||
|
||||
( eRcvState == STATE_M_RX_ERROR ) || ( eRcvState == STATE_M_RX_IDLE ));
|
||||
break;
|
||||
}
|
||||
eRcvState = STATE_M_RX_IDLE;
|
||||
|
@ -380,18 +383,24 @@ xMBMasterRTUTimerExpired(void)
|
|||
* If the frame is broadcast,The master will idle,and if the frame is not
|
||||
* broadcast.Notify the listener process error.*/
|
||||
case STATE_M_TX_XFWR:
|
||||
if ( xFrameIsBroadcast == FALSE ) xNeedPoll = xMBMasterPortEventPost(EV_MASTER_ERROR_PROCESS);
|
||||
if ( xFrameIsBroadcast == FALSE ) {
|
||||
vMBMasterSetErrorType(EV_ERROR_RESPOND_TIMEOUT);
|
||||
xNeedPoll = xMBMasterPortEventPost(EV_MASTER_ERROR_PROCESS);
|
||||
}
|
||||
break;
|
||||
/* Function called in an illegal state. */
|
||||
default:
|
||||
assert_param( eSndState == STATE_M_TX_XFWR );
|
||||
assert_param(
|
||||
( eSndState == STATE_M_TX_XFWR ) || ( eSndState == STATE_M_TX_IDLE ));
|
||||
break;
|
||||
}
|
||||
eSndState = STATE_M_TX_IDLE;
|
||||
|
||||
vMBMasterPortTimersDisable( );
|
||||
/* If timer mode is convert delay ,then Master is idel now. */
|
||||
if (eMasterCurTimerMode == MB_TMODE_CONVERT_DELAY) vMBMasterSetIsBusy( FALSE );
|
||||
/* If timer mode is convert delay, the master event then turns EV_MASTER_EXECUTE status. */
|
||||
if (eMasterCurTimerMode == MB_TMODE_CONVERT_DELAY) {
|
||||
xNeedPoll = xMBMasterPortEventPost( EV_MASTER_EXECUTE );
|
||||
}
|
||||
|
||||
return xNeedPoll;
|
||||
}
|
||||
|
@ -409,15 +418,15 @@ void vMBMasterGetPDUSndBuf( UCHAR ** pucFrame )
|
|||
}
|
||||
|
||||
/* Set Modbus Master send PDU's buffer length.*/
|
||||
void vMBMasterSetPDUSndLength( UCHAR SendPDULength )
|
||||
void vMBMasterSetPDUSndLength( USHORT SendPDULength )
|
||||
{
|
||||
ucMasterSendPDULength = SendPDULength;
|
||||
usMasterSendPDULength = SendPDULength;
|
||||
}
|
||||
|
||||
/* Get Modbus Master send PDU's buffer length.*/
|
||||
UCHAR ucMBMasterGetPDUSndLength( void )
|
||||
USHORT usMBMasterGetPDUSndLength( void )
|
||||
{
|
||||
return ucMasterSendPDULength;
|
||||
return usMasterSendPDULength;
|
||||
}
|
||||
|
||||
/* Set Modbus Master current timer mode.*/
|
||||
|
@ -425,5 +434,10 @@ void vMBMasterSetCurTimerMode( eMBMasterTimerMode eMBTimerMode )
|
|||
{
|
||||
eMasterCurTimerMode = eMBTimerMode;
|
||||
}
|
||||
|
||||
/* The master request is broadcast? */
|
||||
BOOL xMBMasterRequestIsBroadcast( void ){
|
||||
return xFrameIsBroadcast;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
/*
|
||||
* FreeModbus Libary: LPC214X Port
|
||||
* Copyright (C) 2007 Tiago Prado Lone <tiago@maxwellbohr.com.br>
|
||||
* FreeModbus Libary: RT-Thread Port
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
|
@ -16,7 +16,7 @@
|
|||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* File: $Id: port.c,v 1.1 2007/04/24 23:15:18 wolti Exp $
|
||||
* File: $Id: port.c,v 1.60 2015/02/01 9:18:05 Armink $
|
||||
*/
|
||||
|
||||
/* ----------------------- System includes --------------------------------*/
|
||||
|
@ -24,16 +24,15 @@
|
|||
/* ----------------------- Modbus includes ----------------------------------*/
|
||||
#include "port.h"
|
||||
/* ----------------------- Variables ----------------------------------------*/
|
||||
|
||||
static rt_base_t level;
|
||||
/* ----------------------- Start implementation -----------------------------*/
|
||||
void EnterCriticalSection(void)
|
||||
{
|
||||
//关闭全局中断
|
||||
__disable_irq();
|
||||
level = rt_hw_interrupt_disable();
|
||||
}
|
||||
|
||||
void ExitCriticalSection(void)
|
||||
{
|
||||
//开启全局中断
|
||||
__enable_irq();
|
||||
rt_hw_interrupt_enable(level);
|
||||
}
|
||||
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
/*
|
||||
* FreeModbus Libary: BARE Port
|
||||
* Copyright (C) 2006 Christian Walter <wolti@sil.at>
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
|
@ -30,22 +30,13 @@
|
|||
#include <assert.h>
|
||||
#include <inttypes.h>
|
||||
|
||||
#define INLINE
|
||||
#define INLINE
|
||||
#define PR_BEGIN_EXTERN_C extern "C" {
|
||||
#define PR_END_EXTERN_C }
|
||||
#define PR_END_EXTERN_C }
|
||||
|
||||
//TODO 暂时先写B13引脚,等组网测试时再确认
|
||||
#define SLAVE_RS485_SEND_MODE GPIO_SetBits(GPIOB,GPIO_Pin_13)
|
||||
#define SLAVE_RS485_RECEIVE_MODE GPIO_ResetBits(GPIOB,GPIO_Pin_13)
|
||||
#define MASTER_RS485_SEND_MODE GPIO_SetBits(GPIOB,GPIO_Pin_13)
|
||||
#define MASTER_RS485_RECEIVE_MODE GPIO_ResetBits(GPIOB,GPIO_Pin_13)
|
||||
|
||||
#define ENTER_CRITICAL_SECTION() EnterCriticalSection()
|
||||
#define ENTER_CRITICAL_SECTION() EnterCriticalSection()
|
||||
#define EXIT_CRITICAL_SECTION() ExitCriticalSection()
|
||||
|
||||
void EnterCriticalSection(void);
|
||||
void ExitCriticalSection(void);
|
||||
|
||||
typedef uint8_t BOOL;
|
||||
|
||||
typedef unsigned char UCHAR;
|
||||
|
@ -65,4 +56,7 @@ typedef int32_t LONG;
|
|||
#define FALSE 0
|
||||
#endif
|
||||
|
||||
void EnterCriticalSection(void);
|
||||
void ExitCriticalSection(void);
|
||||
|
||||
#endif
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* FreeModbus Libary: STM32 Port
|
||||
* FreeModbus Libary: RT-Thread Port
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
@ -24,35 +24,45 @@
|
|||
#include "mbport.h"
|
||||
|
||||
/* ----------------------- Variables ----------------------------------------*/
|
||||
static eMBEventType eQueuedEvent;
|
||||
static BOOL xEventInQueue;
|
||||
|
||||
static struct rt_event xSlaveOsEvent;
|
||||
/* ----------------------- Start implementation -----------------------------*/
|
||||
BOOL
|
||||
xMBPortEventInit( void )
|
||||
{
|
||||
xEventInQueue = FALSE;
|
||||
rt_event_init(&xSlaveOsEvent,"slave event",RT_IPC_FLAG_PRIO);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOL
|
||||
xMBPortEventPost( eMBEventType eEvent )
|
||||
{
|
||||
xEventInQueue = TRUE;
|
||||
eQueuedEvent = eEvent;
|
||||
rt_event_send(&xSlaveOsEvent, eEvent);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOL
|
||||
xMBPortEventGet( eMBEventType * eEvent )
|
||||
{
|
||||
BOOL xEventHappened = FALSE;
|
||||
|
||||
if( xEventInQueue )
|
||||
rt_uint32_t recvedEvent;
|
||||
/* waiting forever OS event */
|
||||
rt_event_recv(&xSlaveOsEvent,
|
||||
EV_READY | EV_FRAME_RECEIVED | EV_EXECUTE | EV_FRAME_SENT,
|
||||
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, RT_WAITING_FOREVER,
|
||||
&recvedEvent);
|
||||
switch (recvedEvent)
|
||||
{
|
||||
*eEvent = eQueuedEvent;
|
||||
xEventInQueue = FALSE;
|
||||
xEventHappened = TRUE;
|
||||
case EV_READY:
|
||||
*eEvent = EV_READY;
|
||||
break;
|
||||
case EV_FRAME_RECEIVED:
|
||||
*eEvent = EV_FRAME_RECEIVED;
|
||||
break;
|
||||
case EV_EXECUTE:
|
||||
*eEvent = EV_EXECUTE;
|
||||
break;
|
||||
case EV_FRAME_SENT:
|
||||
*eEvent = EV_FRAME_SENT;
|
||||
break;
|
||||
}
|
||||
return xEventHappened;
|
||||
return TRUE;
|
||||
}
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* FreeModbus Libary: STM32 Port
|
||||
* FreeModbus Libary: RT-Thread Port
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
@ -21,41 +21,219 @@
|
|||
|
||||
/* ----------------------- Modbus includes ----------------------------------*/
|
||||
#include "mb.h"
|
||||
#include "mb_m.h"
|
||||
#include "mbport.h"
|
||||
#include "port.h"
|
||||
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
|
||||
/* ----------------------- Defines ------------------------------------------*/
|
||||
/* ----------------------- Variables ----------------------------------------*/
|
||||
static eMBMasterEventType eMasterQueuedEvent;
|
||||
static BOOL xMasterEventInQueue;
|
||||
|
||||
static struct rt_semaphore xMasterRunRes;
|
||||
static struct rt_event xMasterOsEvent;
|
||||
/* ----------------------- Start implementation -----------------------------*/
|
||||
BOOL
|
||||
xMBMasterPortEventInit( void )
|
||||
{
|
||||
xMasterEventInQueue = FALSE;
|
||||
rt_event_init(&xMasterOsEvent,"master event",RT_IPC_FLAG_PRIO);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOL
|
||||
xMBMasterPortEventPost( eMBMasterEventType eEvent )
|
||||
{
|
||||
xMasterEventInQueue = TRUE;
|
||||
eMasterQueuedEvent = eEvent;
|
||||
rt_event_send(&xMasterOsEvent, eEvent);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOL
|
||||
xMBMasterPortEventGet( eMBMasterEventType * eEvent )
|
||||
{
|
||||
BOOL xEventHappened = FALSE;
|
||||
|
||||
if( xMasterEventInQueue )
|
||||
rt_uint32_t recvedEvent;
|
||||
/* waiting forever OS event */
|
||||
rt_event_recv(&xMasterOsEvent,
|
||||
EV_MASTER_READY | EV_MASTER_FRAME_RECEIVED | EV_MASTER_EXECUTE |
|
||||
EV_MASTER_FRAME_SENT | EV_MASTER_ERROR_PROCESS,
|
||||
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, RT_WAITING_FOREVER,
|
||||
&recvedEvent);
|
||||
/* the enum type couldn't convert to int type */
|
||||
switch (recvedEvent)
|
||||
{
|
||||
*eEvent = eMasterQueuedEvent;
|
||||
xMasterEventInQueue = FALSE;
|
||||
xEventHappened = TRUE;
|
||||
case EV_MASTER_READY:
|
||||
*eEvent = EV_MASTER_READY;
|
||||
break;
|
||||
case EV_MASTER_FRAME_RECEIVED:
|
||||
*eEvent = EV_MASTER_FRAME_RECEIVED;
|
||||
break;
|
||||
case EV_MASTER_EXECUTE:
|
||||
*eEvent = EV_MASTER_EXECUTE;
|
||||
break;
|
||||
case EV_MASTER_FRAME_SENT:
|
||||
*eEvent = EV_MASTER_FRAME_SENT;
|
||||
break;
|
||||
case EV_MASTER_ERROR_PROCESS:
|
||||
*eEvent = EV_MASTER_ERROR_PROCESS;
|
||||
break;
|
||||
}
|
||||
return xEventHappened;
|
||||
return TRUE;
|
||||
}
|
||||
/**
|
||||
* This function is initialize the OS resource for modbus master.
|
||||
* Note:The resource is define by OS.If you not use OS this function can be empty.
|
||||
*
|
||||
*/
|
||||
void vMBMasterOsResInit( void )
|
||||
{
|
||||
rt_sem_init(&xMasterRunRes, "master res", 0x01 , RT_IPC_FLAG_PRIO);
|
||||
}
|
||||
|
||||
/**
|
||||
* This function is take Mobus Master running resource.
|
||||
* Note:The resource is define by Operating System.If you not use OS this function can be just return TRUE.
|
||||
*
|
||||
* @param lTimeOut the waiting time.
|
||||
*
|
||||
* @return resource taked result
|
||||
*/
|
||||
BOOL xMBMasterRunResTake( LONG lTimeOut )
|
||||
{
|
||||
/*If waiting time is -1 .It will wait forever */
|
||||
return rt_sem_take(&xMasterRunRes, lTimeOut) ? FALSE : TRUE ;
|
||||
}
|
||||
|
||||
/**
|
||||
* This function is release Mobus Master running resource.
|
||||
* Note:The resource is define by Operating System.If you not use OS this function can be empty.
|
||||
*
|
||||
*/
|
||||
void vMBMasterRunResRelease( void )
|
||||
{
|
||||
/* release resource */
|
||||
rt_sem_release(&xMasterRunRes);
|
||||
}
|
||||
|
||||
/**
|
||||
* This is modbus master respond timeout error process callback function.
|
||||
* @note There functions will block modbus master poll while execute OS waiting.
|
||||
* So,for real-time of system.Do not execute too much waiting process.
|
||||
*
|
||||
* @param ucDestAddress destination salve address
|
||||
* @param pucPDUData PDU buffer data
|
||||
* @param ucPDULength PDU buffer length
|
||||
*
|
||||
*/
|
||||
void vMBMasterErrorCBRespondTimeout(UCHAR ucDestAddress, const UCHAR* pucPDUData,
|
||||
USHORT ucPDULength) {
|
||||
/**
|
||||
* @note This code is use OS's event mechanism for modbus master protocol stack.
|
||||
* If you don't use OS, you can change it.
|
||||
*/
|
||||
rt_event_send(&xMasterOsEvent, EV_MASTER_ERROR_RESPOND_TIMEOUT);
|
||||
|
||||
/* You can add your code under here. */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* This is modbus master receive data error process callback function.
|
||||
* @note There functions will block modbus master poll while execute OS waiting.
|
||||
* So,for real-time of system.Do not execute too much waiting process.
|
||||
*
|
||||
* @param ucDestAddress destination salve address
|
||||
* @param pucPDUData PDU buffer data
|
||||
* @param ucPDULength PDU buffer length
|
||||
*
|
||||
*/
|
||||
void vMBMasterErrorCBReceiveData(UCHAR ucDestAddress, const UCHAR* pucPDUData,
|
||||
USHORT ucPDULength) {
|
||||
/**
|
||||
* @note This code is use OS's event mechanism for modbus master protocol stack.
|
||||
* If you don't use OS, you can change it.
|
||||
*/
|
||||
rt_event_send(&xMasterOsEvent, EV_MASTER_ERROR_RECEIVE_DATA);
|
||||
|
||||
/* You can add your code under here. */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* This is modbus master execute function error process callback function.
|
||||
* @note There functions will block modbus master poll while execute OS waiting.
|
||||
* So,for real-time of system.Do not execute too much waiting process.
|
||||
*
|
||||
* @param ucDestAddress destination salve address
|
||||
* @param pucPDUData PDU buffer data
|
||||
* @param ucPDULength PDU buffer length
|
||||
*
|
||||
*/
|
||||
void vMBMasterErrorCBExecuteFunction(UCHAR ucDestAddress, const UCHAR* pucPDUData,
|
||||
USHORT ucPDULength) {
|
||||
/**
|
||||
* @note This code is use OS's event mechanism for modbus master protocol stack.
|
||||
* If you don't use OS, you can change it.
|
||||
*/
|
||||
rt_event_send(&xMasterOsEvent, EV_MASTER_ERROR_EXECUTE_FUNCTION);
|
||||
|
||||
/* You can add your code under here. */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* This is modbus master request process success callback function.
|
||||
* @note There functions will block modbus master poll while execute OS waiting.
|
||||
* So,for real-time of system.Do not execute too much waiting process.
|
||||
*
|
||||
*/
|
||||
void vMBMasterCBRequestScuuess( void ) {
|
||||
/**
|
||||
* @note This code is use OS's event mechanism for modbus master protocol stack.
|
||||
* If you don't use OS, you can change it.
|
||||
*/
|
||||
rt_event_send(&xMasterOsEvent, EV_MASTER_PROCESS_SUCESS);
|
||||
|
||||
/* You can add your code under here. */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* This function is wait for modbus master request finish and return result.
|
||||
* Waiting result include request process success, request respond timeout,
|
||||
* receive data error and execute function error.You can use the above callback function.
|
||||
* @note If you are use OS, you can use OS's event mechanism. Otherwise you have to run
|
||||
* much user custom delay for waiting.
|
||||
*
|
||||
* @return request error code
|
||||
*/
|
||||
eMBMasterReqErrCode eMBMasterWaitRequestFinish( void ) {
|
||||
eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
|
||||
rt_uint32_t recvedEvent;
|
||||
/* waiting for OS event */
|
||||
rt_event_recv(&xMasterOsEvent,
|
||||
EV_MASTER_PROCESS_SUCESS | EV_MASTER_ERROR_RESPOND_TIMEOUT
|
||||
| EV_MASTER_ERROR_RECEIVE_DATA
|
||||
| EV_MASTER_ERROR_EXECUTE_FUNCTION,
|
||||
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, RT_WAITING_FOREVER,
|
||||
&recvedEvent);
|
||||
switch (recvedEvent)
|
||||
{
|
||||
case EV_MASTER_PROCESS_SUCESS:
|
||||
break;
|
||||
case EV_MASTER_ERROR_RESPOND_TIMEOUT:
|
||||
{
|
||||
eErrStatus = MB_MRE_TIMEDOUT;
|
||||
break;
|
||||
}
|
||||
case EV_MASTER_ERROR_RECEIVE_DATA:
|
||||
{
|
||||
eErrStatus = MB_MRE_REV_DATA;
|
||||
break;
|
||||
}
|
||||
case EV_MASTER_ERROR_EXECUTE_FUNCTION:
|
||||
{
|
||||
eErrStatus = MB_MRE_EXE_FUN;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return eErrStatus;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* FreeModbus Libary: STM32 Port
|
||||
* FreeModbus Libary: RT-Thread Port
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
@ -24,122 +24,148 @@
|
|||
/* ----------------------- Modbus includes ----------------------------------*/
|
||||
#include "mb.h"
|
||||
#include "mbport.h"
|
||||
#include "rtdevice.h"
|
||||
#include "board.h"
|
||||
|
||||
/* ----------------------- Static variables ---------------------------------*/
|
||||
ALIGN(RT_ALIGN_SIZE)
|
||||
/* software simulation serial transmit IRQ handler thread stack */
|
||||
static rt_uint8_t serial_soft_trans_irq_stack[512];
|
||||
/* software simulation serial transmit IRQ handler thread */
|
||||
static struct rt_thread thread_serial_soft_trans_irq;
|
||||
/* serial event */
|
||||
static struct rt_event event_serial;
|
||||
/* modbus slave serial device */
|
||||
static rt_serial_t *serial;
|
||||
|
||||
/* ----------------------- Defines ------------------------------------------*/
|
||||
/* serial transmit event */
|
||||
#define EVENT_SERIAL_TRANS_START (1<<0)
|
||||
|
||||
/* ----------------------- static functions ---------------------------------*/
|
||||
static void prvvUARTTxReadyISR(void);
|
||||
static void prvvUARTRxISR(void);
|
||||
static rt_err_t serial_rx_ind(rt_device_t dev, rt_size_t size);
|
||||
static void serial_soft_trans_irq(void* parameter);
|
||||
|
||||
/* ----------------------- Start implementation -----------------------------*/
|
||||
BOOL xMBPortSerialInit(UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits,
|
||||
eMBParity eParity)
|
||||
{
|
||||
/**
|
||||
* set 485 mode receive and transmit control IO
|
||||
* @note MODBUS_SLAVE_RT_CONTROL_PIN_INDEX need be defined by user
|
||||
*/
|
||||
rt_pin_mode(MODBUS_SLAVE_RT_CONTROL_PIN_INDEX, PIN_MODE_OUTPUT);
|
||||
|
||||
/* set serial name */
|
||||
if (ucPORT == 1) {
|
||||
#if defined(RT_USING_UART1) || defined(RT_USING_REMAP_UART1)
|
||||
extern struct rt_serial_device serial1;
|
||||
serial = &serial1;
|
||||
#endif
|
||||
} else if (ucPORT == 2) {
|
||||
#if defined(RT_USING_UART2)
|
||||
extern struct rt_serial_device serial2;
|
||||
serial = &serial2;
|
||||
#endif
|
||||
} else if (ucPORT == 3) {
|
||||
#if defined(RT_USING_UART3)
|
||||
extern struct rt_serial_device serial3;
|
||||
serial = &serial3;
|
||||
#endif
|
||||
}
|
||||
/* set serial configure parameter */
|
||||
serial->config.baud_rate = ulBaudRate;
|
||||
serial->config.stop_bits = STOP_BITS_1;
|
||||
switch(eParity){
|
||||
case MB_PAR_NONE: {
|
||||
serial->config.data_bits = DATA_BITS_8;
|
||||
serial->config.parity = PARITY_NONE;
|
||||
break;
|
||||
}
|
||||
case MB_PAR_ODD: {
|
||||
serial->config.data_bits = DATA_BITS_9;
|
||||
serial->config.parity = PARITY_ODD;
|
||||
break;
|
||||
}
|
||||
case MB_PAR_EVEN: {
|
||||
serial->config.data_bits = DATA_BITS_9;
|
||||
serial->config.parity = PARITY_EVEN;
|
||||
break;
|
||||
}
|
||||
}
|
||||
/* set serial configure */
|
||||
serial->ops->configure(serial, &(serial->config));
|
||||
|
||||
/* open serial device */
|
||||
if (!serial->parent.open(&serial->parent,
|
||||
RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX )) {
|
||||
serial->parent.rx_indicate = serial_rx_ind;
|
||||
} else {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* software initialize */
|
||||
rt_thread_init(&thread_serial_soft_trans_irq,
|
||||
"slave trans",
|
||||
serial_soft_trans_irq,
|
||||
RT_NULL,
|
||||
serial_soft_trans_irq_stack,
|
||||
sizeof(serial_soft_trans_irq_stack),
|
||||
10, 5);
|
||||
rt_thread_startup(&thread_serial_soft_trans_irq);
|
||||
rt_event_init(&event_serial, "slave event", RT_IPC_FLAG_PRIO);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void vMBPortSerialEnable(BOOL xRxEnable, BOOL xTxEnable)
|
||||
{
|
||||
if (xRxEnable)
|
||||
{
|
||||
SLAVE_RS485_RECEIVE_MODE;
|
||||
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
|
||||
}
|
||||
else
|
||||
{
|
||||
SLAVE_RS485_SEND_MODE;
|
||||
USART_ITConfig(USART1, USART_IT_RXNE, DISABLE);
|
||||
}
|
||||
if (xTxEnable)
|
||||
{
|
||||
USART_ITConfig(USART1, USART_IT_TXE, ENABLE);
|
||||
}
|
||||
else
|
||||
{
|
||||
USART_ITConfig(USART1, USART_IT_TXE, DISABLE);
|
||||
}
|
||||
rt_uint32_t recved_event;
|
||||
if (xRxEnable)
|
||||
{
|
||||
/* enable RX interrupt */
|
||||
serial->ops->control(serial, RT_DEVICE_CTRL_SET_INT, (void *)RT_DEVICE_FLAG_INT_RX);
|
||||
/* switch 485 to receive mode */
|
||||
rt_pin_write(MODBUS_SLAVE_RT_CONTROL_PIN_INDEX, PIN_LOW);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* switch 485 to transmit mode */
|
||||
rt_pin_write(MODBUS_SLAVE_RT_CONTROL_PIN_INDEX, PIN_HIGH);
|
||||
/* disable RX interrupt */
|
||||
serial->ops->control(serial, RT_DEVICE_CTRL_CLR_INT, (void *)RT_DEVICE_FLAG_INT_RX);
|
||||
}
|
||||
if (xTxEnable)
|
||||
{
|
||||
/* start serial transmit */
|
||||
rt_event_send(&event_serial, EVENT_SERIAL_TRANS_START);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* stop serial transmit */
|
||||
rt_event_recv(&event_serial, EVENT_SERIAL_TRANS_START,
|
||||
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, 0,
|
||||
&recved_event);
|
||||
}
|
||||
}
|
||||
|
||||
void vMBPortClose(void)
|
||||
{
|
||||
USART_ITConfig(USART1, USART_IT_TXE | USART_IT_RXNE, DISABLE);
|
||||
USART_Cmd(USART1, DISABLE);
|
||||
}
|
||||
//默认一个从机 串口1 波特率可设置 奇偶检验可设置
|
||||
BOOL xMBPortSerialInit(UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits,
|
||||
eMBParity eParity)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
USART_InitTypeDef USART_InitStructure;
|
||||
NVIC_InitTypeDef NVIC_InitStructure;
|
||||
//======================时钟初始化=======================================
|
||||
RCC_APB2PeriphClockCmd(
|
||||
RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_USART1,
|
||||
ENABLE);
|
||||
//======================IO初始化=======================================
|
||||
//USART1_TX
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
//USART1_RX
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
//配置485发送和接收模式
|
||||
// TODO 暂时先写B13 等之后组网测试时再修改
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
|
||||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||||
//======================串口初始化=======================================
|
||||
USART_InitStructure.USART_BaudRate = ulBaudRate;
|
||||
//设置校验模式
|
||||
switch (eParity)
|
||||
{
|
||||
case MB_PAR_NONE: //无校验
|
||||
USART_InitStructure.USART_Parity = USART_Parity_No;
|
||||
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
|
||||
break;
|
||||
case MB_PAR_ODD: //奇校验
|
||||
USART_InitStructure.USART_Parity = USART_Parity_Odd;
|
||||
USART_InitStructure.USART_WordLength = USART_WordLength_9b;
|
||||
break;
|
||||
case MB_PAR_EVEN: //偶校验
|
||||
USART_InitStructure.USART_Parity = USART_Parity_Even;
|
||||
USART_InitStructure.USART_WordLength = USART_WordLength_9b;
|
||||
break;
|
||||
default:
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
USART_InitStructure.USART_StopBits = USART_StopBits_1;
|
||||
USART_InitStructure.USART_HardwareFlowControl =
|
||||
USART_HardwareFlowControl_None;
|
||||
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
|
||||
if (ucPORT != 1)
|
||||
return FALSE;
|
||||
|
||||
ENTER_CRITICAL_SECTION(); //关全局中断
|
||||
|
||||
USART_Init(USART1, &USART_InitStructure);
|
||||
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
|
||||
USART_Cmd(USART1, ENABLE);
|
||||
|
||||
//=====================中断初始化======================================
|
||||
//设置NVIC优先级分组为Group2:0-3抢占式优先级,0-3的响应式优先级
|
||||
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
|
||||
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
|
||||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
|
||||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
|
||||
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||||
NVIC_Init(&NVIC_InitStructure);
|
||||
|
||||
EXIT_CRITICAL_SECTION(); //开全局中断
|
||||
|
||||
return TRUE;
|
||||
serial->parent.close(&(serial->parent));
|
||||
}
|
||||
|
||||
BOOL xMBPortSerialPutByte(CHAR ucByte)
|
||||
{
|
||||
USART_SendData(USART1, ucByte);
|
||||
return TRUE;
|
||||
serial->parent.write(&(serial->parent), 0, &ucByte, 1);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOL xMBPortSerialGetByte(CHAR * pucByte)
|
||||
{
|
||||
*pucByte = USART_ReceiveData(USART1);
|
||||
return TRUE;
|
||||
serial->parent.read(&(serial->parent), 0, pucByte, 1);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -151,7 +177,7 @@ BOOL xMBPortSerialGetByte(CHAR * pucByte)
|
|||
*/
|
||||
void prvvUARTTxReadyISR(void)
|
||||
{
|
||||
pxMBFrameCBTransmitterEmpty();
|
||||
pxMBFrameCBTransmitterEmpty();
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -162,28 +188,35 @@ void prvvUARTTxReadyISR(void)
|
|||
*/
|
||||
void prvvUARTRxISR(void)
|
||||
{
|
||||
pxMBFrameCBByteReceived();
|
||||
pxMBFrameCBByteReceived();
|
||||
}
|
||||
/*******************************************************************************
|
||||
* Function Name : USART1_IRQHandler
|
||||
* Description : This function handles USART1 global interrupt request.
|
||||
* Input : None
|
||||
* Output : None
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void USART1_IRQHandler(void)
|
||||
{
|
||||
rt_interrupt_enter();
|
||||
//接收中断
|
||||
if (USART_GetITStatus(USART1, USART_IT_RXNE) == SET)
|
||||
{
|
||||
USART_ClearITPendingBit(USART1, USART_IT_RXNE);
|
||||
prvvUARTRxISR();
|
||||
}
|
||||
//发送中断
|
||||
if (USART_GetITStatus(USART1, USART_IT_TXE) == SET)
|
||||
{
|
||||
prvvUARTTxReadyISR();
|
||||
}
|
||||
rt_interrupt_leave();
|
||||
|
||||
/**
|
||||
* Software simulation serial transmit IRQ handler.
|
||||
*
|
||||
* @param parameter parameter
|
||||
*/
|
||||
static void serial_soft_trans_irq(void* parameter) {
|
||||
rt_uint32_t recved_event;
|
||||
while (1)
|
||||
{
|
||||
/* waiting for serial transmit start */
|
||||
rt_event_recv(&event_serial, EVENT_SERIAL_TRANS_START, RT_EVENT_FLAG_OR,
|
||||
RT_WAITING_FOREVER, &recved_event);
|
||||
/* execute modbus callback */
|
||||
prvvUARTTxReadyISR();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This function is serial receive callback function
|
||||
*
|
||||
* @param dev the device of serial
|
||||
* @param size the data size that receive
|
||||
*
|
||||
* @return return RT_EOK
|
||||
*/
|
||||
static rt_err_t serial_rx_ind(rt_device_t dev, rt_size_t size) {
|
||||
prvvUARTRxISR();
|
||||
return RT_EOK;
|
||||
}
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* FreeModbus Libary: STM32 Port
|
||||
* FreeModbus Libary: RT-Thread Port
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
@ -24,123 +24,149 @@
|
|||
/* ----------------------- Modbus includes ----------------------------------*/
|
||||
#include "mb.h"
|
||||
#include "mbport.h"
|
||||
#include "rtdevice.h"
|
||||
#include "board.h"
|
||||
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
|
||||
/* ----------------------- Static variables ---------------------------------*/
|
||||
ALIGN(RT_ALIGN_SIZE)
|
||||
/* software simulation serial transmit IRQ handler thread stack */
|
||||
static rt_uint8_t serial_soft_trans_irq_stack[512];
|
||||
/* software simulation serial transmit IRQ handler thread */
|
||||
static struct rt_thread thread_serial_soft_trans_irq;
|
||||
/* serial event */
|
||||
static struct rt_event event_serial;
|
||||
/* modbus slave serial device */
|
||||
static rt_serial_t *serial;
|
||||
|
||||
/* ----------------------- Defines ------------------------------------------*/
|
||||
/* serial transmit event */
|
||||
#define EVENT_SERIAL_TRANS_START (1<<0)
|
||||
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED
|
||||
/* ----------------------- static functions ---------------------------------*/
|
||||
static void prvvUARTTxReadyISR(void);
|
||||
static void prvvUARTRxISR(void);
|
||||
static rt_err_t serial_rx_ind(rt_device_t dev, rt_size_t size);
|
||||
static void serial_soft_trans_irq(void* parameter);
|
||||
|
||||
/* ----------------------- Start implementation -----------------------------*/
|
||||
BOOL xMBMasterPortSerialInit(UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits,
|
||||
eMBParity eParity)
|
||||
{
|
||||
/**
|
||||
* set 485 mode receive and transmit control IO
|
||||
* @note MODBUS_MASTER_RT_CONTROL_PIN_INDEX need be defined by user
|
||||
*/
|
||||
rt_pin_mode(MODBUS_MASTER_RT_CONTROL_PIN_INDEX, PIN_MODE_OUTPUT);
|
||||
|
||||
/* set serial name */
|
||||
if (ucPORT == 1) {
|
||||
#if defined(RT_USING_UART1) || defined(RT_USING_REMAP_UART1)
|
||||
extern struct rt_serial_device serial1;
|
||||
serial = &serial1;
|
||||
#endif
|
||||
} else if (ucPORT == 2) {
|
||||
#if defined(RT_USING_UART2)
|
||||
extern struct rt_serial_device serial2;
|
||||
serial = &serial2;
|
||||
#endif
|
||||
} else if (ucPORT == 3) {
|
||||
#if defined(RT_USING_UART3)
|
||||
extern struct rt_serial_device serial3;
|
||||
serial = &serial3;
|
||||
#endif
|
||||
}
|
||||
/* set serial configure parameter */
|
||||
serial->config.baud_rate = ulBaudRate;
|
||||
serial->config.stop_bits = STOP_BITS_1;
|
||||
switch(eParity){
|
||||
case MB_PAR_NONE: {
|
||||
serial->config.data_bits = DATA_BITS_8;
|
||||
serial->config.parity = PARITY_NONE;
|
||||
break;
|
||||
}
|
||||
case MB_PAR_ODD: {
|
||||
serial->config.data_bits = DATA_BITS_9;
|
||||
serial->config.parity = PARITY_ODD;
|
||||
break;
|
||||
}
|
||||
case MB_PAR_EVEN: {
|
||||
serial->config.data_bits = DATA_BITS_9;
|
||||
serial->config.parity = PARITY_EVEN;
|
||||
break;
|
||||
}
|
||||
}
|
||||
/* set serial configure */
|
||||
serial->ops->configure(serial, &(serial->config));
|
||||
|
||||
/* open serial device */
|
||||
if (!serial->parent.open(&serial->parent,
|
||||
RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX )) {
|
||||
serial->parent.rx_indicate = serial_rx_ind;
|
||||
} else {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* software initialize */
|
||||
rt_thread_init(&thread_serial_soft_trans_irq,
|
||||
"slave trans",
|
||||
serial_soft_trans_irq,
|
||||
RT_NULL,
|
||||
serial_soft_trans_irq_stack,
|
||||
sizeof(serial_soft_trans_irq_stack),
|
||||
10, 5);
|
||||
rt_thread_startup(&thread_serial_soft_trans_irq);
|
||||
rt_event_init(&event_serial, "slave event", RT_IPC_FLAG_PRIO);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void vMBMasterPortSerialEnable(BOOL xRxEnable, BOOL xTxEnable)
|
||||
{
|
||||
if (xRxEnable)
|
||||
{
|
||||
MASTER_RS485_RECEIVE_MODE;
|
||||
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
|
||||
}
|
||||
else
|
||||
{
|
||||
MASTER_RS485_SEND_MODE;
|
||||
USART_ITConfig(USART2, USART_IT_RXNE, DISABLE);
|
||||
}
|
||||
if (xTxEnable)
|
||||
{
|
||||
USART_ITConfig(USART2, USART_IT_TXE, ENABLE);
|
||||
}
|
||||
else
|
||||
{
|
||||
USART_ITConfig(USART2, USART_IT_TXE, DISABLE);
|
||||
}
|
||||
rt_uint32_t recved_event;
|
||||
if (xRxEnable)
|
||||
{
|
||||
/* enable RX interrupt */
|
||||
serial->ops->control(serial, RT_DEVICE_CTRL_SET_INT, (void *)RT_DEVICE_FLAG_INT_RX);
|
||||
/* switch 485 to receive mode */
|
||||
rt_pin_write(MODBUS_MASTER_RT_CONTROL_PIN_INDEX, PIN_LOW);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* switch 485 to transmit mode */
|
||||
rt_pin_write(MODBUS_MASTER_RT_CONTROL_PIN_INDEX, PIN_HIGH);
|
||||
/* disable RX interrupt */
|
||||
serial->ops->control(serial, RT_DEVICE_CTRL_CLR_INT, (void *)RT_DEVICE_FLAG_INT_RX);
|
||||
}
|
||||
if (xTxEnable)
|
||||
{
|
||||
/* start serial transmit */
|
||||
rt_event_send(&event_serial, EVENT_SERIAL_TRANS_START);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* stop serial transmit */
|
||||
rt_event_recv(&event_serial, EVENT_SERIAL_TRANS_START,
|
||||
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, 0,
|
||||
&recved_event);
|
||||
}
|
||||
}
|
||||
|
||||
void vMBMasterPortClose(void)
|
||||
{
|
||||
USART_ITConfig(USART2, USART_IT_TXE | USART_IT_RXNE, DISABLE);
|
||||
USART_Cmd(USART2, DISABLE);
|
||||
}
|
||||
//默认一个主机 串口2 波特率可设置 奇偶检验可设置
|
||||
BOOL xMBMasterPortSerialInit(UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits,
|
||||
eMBParity eParity)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
USART_InitTypeDef USART_InitStructure;
|
||||
NVIC_InitTypeDef NVIC_InitStructure;
|
||||
//======================时钟初始化=======================================
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
|
||||
//======================IO初始化=======================================
|
||||
//USART2_TX
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
//USART2_RX
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
//配置485发送和接收模式
|
||||
// TODO 暂时先写B13 等之后组网测试时再修改
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
|
||||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||||
//======================串口初始化=======================================
|
||||
USART_InitStructure.USART_BaudRate = ulBaudRate;
|
||||
//设置校验模式
|
||||
switch (eParity)
|
||||
{
|
||||
case MB_PAR_NONE: //无校验
|
||||
USART_InitStructure.USART_Parity = USART_Parity_No;
|
||||
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
|
||||
break;
|
||||
case MB_PAR_ODD: //奇校验
|
||||
USART_InitStructure.USART_Parity = USART_Parity_Odd;
|
||||
USART_InitStructure.USART_WordLength = USART_WordLength_9b;
|
||||
break;
|
||||
case MB_PAR_EVEN: //偶校验
|
||||
USART_InitStructure.USART_Parity = USART_Parity_Even;
|
||||
USART_InitStructure.USART_WordLength = USART_WordLength_9b;
|
||||
break;
|
||||
default:
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
USART_InitStructure.USART_StopBits = USART_StopBits_1;
|
||||
USART_InitStructure.USART_HardwareFlowControl =
|
||||
USART_HardwareFlowControl_None;
|
||||
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
|
||||
if (ucPORT != 2)
|
||||
return FALSE;
|
||||
|
||||
ENTER_CRITICAL_SECTION(); //关全局中断
|
||||
|
||||
USART_Init(USART2, &USART_InitStructure);
|
||||
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
|
||||
USART_Cmd(USART2, ENABLE);
|
||||
|
||||
//=====================中断初始化======================================
|
||||
//设置NVIC优先级分组为Group2:0-3抢占式优先级,0-3的响应式优先级
|
||||
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
|
||||
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
|
||||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
|
||||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
|
||||
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||||
NVIC_Init(&NVIC_InitStructure);
|
||||
|
||||
EXIT_CRITICAL_SECTION(); //开全局中断
|
||||
|
||||
return TRUE;
|
||||
serial->parent.close(&(serial->parent));
|
||||
}
|
||||
|
||||
BOOL xMBMasterPortSerialPutByte(CHAR ucByte)
|
||||
{
|
||||
USART_SendData(USART2, ucByte);
|
||||
return TRUE;
|
||||
serial->parent.write(&(serial->parent), 0, &ucByte, 1);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOL xMBMasterPortSerialGetByte(CHAR * pucByte)
|
||||
{
|
||||
*pucByte = USART_ReceiveData(USART2);
|
||||
return TRUE;
|
||||
serial->parent.read(&(serial->parent), 0, pucByte, 1);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -152,7 +178,7 @@ BOOL xMBMasterPortSerialGetByte(CHAR * pucByte)
|
|||
*/
|
||||
void prvvUARTTxReadyISR(void)
|
||||
{
|
||||
pxMBMasterFrameCBTransmitterEmpty();
|
||||
pxMBMasterFrameCBTransmitterEmpty();
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -163,30 +189,37 @@ void prvvUARTTxReadyISR(void)
|
|||
*/
|
||||
void prvvUARTRxISR(void)
|
||||
{
|
||||
pxMBMasterFrameCBByteReceived();
|
||||
pxMBMasterFrameCBByteReceived();
|
||||
}
|
||||
/*******************************************************************************
|
||||
* Function Name : USART2_IRQHandler
|
||||
* Description : This function handles USART2 global interrupt request.
|
||||
* Input : None
|
||||
* Output : None
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void USART2_IRQHandler(void)
|
||||
{
|
||||
rt_interrupt_enter();
|
||||
//接收中断
|
||||
if (USART_GetITStatus(USART2, USART_IT_RXNE) == SET)
|
||||
{
|
||||
USART_ClearITPendingBit(USART2, USART_IT_RXNE);
|
||||
prvvUARTRxISR();
|
||||
}
|
||||
//发送中断
|
||||
if (USART_GetITStatus(USART2, USART_IT_TXE) == SET)
|
||||
{
|
||||
prvvUARTTxReadyISR();
|
||||
}
|
||||
rt_interrupt_leave();
|
||||
|
||||
/**
|
||||
* Software simulation serial transmit IRQ handler.
|
||||
*
|
||||
* @param parameter parameter
|
||||
*/
|
||||
static void serial_soft_trans_irq(void* parameter) {
|
||||
rt_uint32_t recved_event;
|
||||
while (1)
|
||||
{
|
||||
/* waiting for serial transmit start */
|
||||
rt_event_recv(&event_serial, EVENT_SERIAL_TRANS_START, RT_EVENT_FLAG_OR,
|
||||
RT_WAITING_FOREVER, &recved_event);
|
||||
/* execute modbus callback */
|
||||
prvvUARTTxReadyISR();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This function is serial receive callback function
|
||||
*
|
||||
* @param dev the device of serial
|
||||
* @param size the data size that receive
|
||||
*
|
||||
* @return return RT_EOK
|
||||
*/
|
||||
static rt_err_t serial_rx_ind(rt_device_t dev, rt_size_t size) {
|
||||
prvvUARTRxISR();
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* FreeModbus Libary: STM32 Port
|
||||
* FreeModbus Libary: RT-Thread Port
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
@ -27,81 +27,37 @@
|
|||
#include "mbport.h"
|
||||
|
||||
/* ----------------------- static functions ---------------------------------*/
|
||||
static struct rt_timer timer;
|
||||
static void prvvTIMERExpiredISR(void);
|
||||
static void timer_timeout_ind(void* parameter);
|
||||
|
||||
/* ----------------------- Start implementation -----------------------------*/
|
||||
BOOL xMBPortTimersInit(USHORT usTim1Timerout50us)
|
||||
{
|
||||
|
||||
uint16_t PrescalerValue = 0;
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
|
||||
NVIC_InitTypeDef NVIC_InitStructure;
|
||||
//====================================时钟初始化===========================
|
||||
//使能定时器3时钟
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
|
||||
//====================================定时器初始化===========================
|
||||
//定时器时间基配置说明
|
||||
//HCLK为72MHz,APB1经过2分频为36MHz
|
||||
//TIM3的时钟倍频后为72MHz(硬件自动倍频,达到最大)
|
||||
//TIM3的分频系数为3599,时间基频率为72 / (1 + Prescaler) = 20KHz,基准为50us
|
||||
//TIM最大计数值为usTim1Timerout50u
|
||||
|
||||
PrescalerValue = (uint16_t) (SystemCoreClock / 20000) - 1;
|
||||
//定时器1初始化
|
||||
TIM_TimeBaseStructure.TIM_Period = (uint16_t) usTim1Timerout50us;
|
||||
TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;
|
||||
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
|
||||
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
|
||||
//预装载使能
|
||||
TIM_ARRPreloadConfig(TIM3, ENABLE);
|
||||
//====================================中断初始化===========================
|
||||
//设置NVIC优先级分组为Group2:0-3抢占式优先级,0-3的响应式优先级
|
||||
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
|
||||
NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
|
||||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
|
||||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
|
||||
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||||
NVIC_Init(&NVIC_InitStructure);
|
||||
//清除溢出中断标志位
|
||||
TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
|
||||
//定时器3溢出中断关闭
|
||||
TIM_ITConfig(TIM3, TIM_IT_Update, DISABLE);
|
||||
//定时器3禁能
|
||||
TIM_Cmd(TIM3, DISABLE);
|
||||
return TRUE;
|
||||
rt_timer_init(&timer, "slave timer",
|
||||
timer_timeout_ind, /* bind timeout callback function */
|
||||
RT_NULL,
|
||||
(50*usTim1Timerout50us)/(1000*1000/RT_TICK_PER_SECOND),
|
||||
RT_TIMER_FLAG_ONE_SHOT); /* one shot */
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void vMBPortTimersEnable()
|
||||
{
|
||||
TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
|
||||
TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
|
||||
TIM_SetCounter(TIM3, 0);
|
||||
TIM_Cmd(TIM3, ENABLE);
|
||||
rt_timer_start(&timer);
|
||||
}
|
||||
|
||||
void vMBPortTimersDisable()
|
||||
{
|
||||
TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
|
||||
TIM_ITConfig(TIM3, TIM_IT_Update, DISABLE);
|
||||
TIM_SetCounter(TIM3, 0);
|
||||
TIM_Cmd(TIM3, DISABLE);
|
||||
rt_timer_stop(&timer);
|
||||
}
|
||||
|
||||
void prvvTIMERExpiredISR(void)
|
||||
{
|
||||
(void) pxMBPortCBTimerExpired();
|
||||
(void) pxMBPortCBTimerExpired();
|
||||
}
|
||||
|
||||
void TIM3_IRQHandler(void)
|
||||
static void timer_timeout_ind(void* parameter)
|
||||
{
|
||||
rt_interrupt_enter();
|
||||
if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)
|
||||
{
|
||||
|
||||
TIM_ClearFlag(TIM3, TIM_FLAG_Update); //清中断标记
|
||||
TIM_ClearITPendingBit(TIM3, TIM_IT_Update); //清除定时器T3溢出中断标志位
|
||||
prvvTIMERExpiredISR();
|
||||
}
|
||||
rt_interrupt_leave();
|
||||
prvvTIMERExpiredISR();
|
||||
}
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* FreeModbus Libary: STM32 Port
|
||||
* FreeModbus Libary: RT-Thread Port
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
@ -27,10 +27,12 @@
|
|||
#include "mb_m.h"
|
||||
#include "mbport.h"
|
||||
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
|
||||
/* ----------------------- Variables ----------------------------------------*/
|
||||
static USHORT usT35TimeOut50us;
|
||||
static USHORT usPrescalerValue = 0;
|
||||
static struct rt_timer timer;
|
||||
static void prvvTIMERExpiredISR(void);
|
||||
static void timer_timeout_ind(void* parameter);
|
||||
|
||||
/* ----------------------- static functions ---------------------------------*/
|
||||
static void prvvTIMERExpiredISR(void);
|
||||
|
@ -38,120 +40,68 @@ static void prvvTIMERExpiredISR(void);
|
|||
/* ----------------------- Start implementation -----------------------------*/
|
||||
BOOL xMBMasterPortTimersInit(USHORT usTimeOut50us)
|
||||
{
|
||||
NVIC_InitTypeDef NVIC_InitStructure;
|
||||
//====================================时钟初始化===========================
|
||||
//使能定时器2时钟
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
||||
//====================================定时器初始化===========================
|
||||
//定时器时间基配置说明
|
||||
//HCLK为72MHz,APB1经过2分频为36MHz
|
||||
//TIM2的时钟倍频后为72MHz(硬件自动倍频,达到最大)
|
||||
//TIM2的分频系数为3599,时间基频率为72 / (1 + Prescaler) = 20KHz,基准为50us
|
||||
//TIM最大计数值为usTim1Timerout50u
|
||||
usPrescalerValue = (uint16_t) (SystemCoreClock / 20000) - 1;
|
||||
//保存T35定时器计数值
|
||||
usT35TimeOut50us = usTimeOut50us;
|
||||
/* backup T35 ticks */
|
||||
usT35TimeOut50us = usTimeOut50us;
|
||||
|
||||
//预装载使能
|
||||
TIM_ARRPreloadConfig(TIM2, ENABLE);
|
||||
//====================================中断初始化===========================
|
||||
//设置NVIC优先级分组为Group2:0-3抢占式优先级,0-3的响应式优先级
|
||||
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
|
||||
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
|
||||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
|
||||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
|
||||
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||||
NVIC_Init(&NVIC_InitStructure);
|
||||
//清除溢出中断标志位
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
|
||||
//定时器3溢出中断关闭
|
||||
TIM_ITConfig(TIM2, TIM_IT_Update, DISABLE);
|
||||
//定时器3禁能
|
||||
TIM_Cmd(TIM2, DISABLE);
|
||||
return TRUE;
|
||||
rt_timer_init(&timer, "master timer",
|
||||
timer_timeout_ind, /* bind timeout callback function */
|
||||
RT_NULL,
|
||||
(50 * usT35TimeOut50us) / (1000 * 1000 / RT_TICK_PER_SECOND),
|
||||
RT_TIMER_FLAG_ONE_SHOT); /* one shot */
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void vMBMasterPortTimersT35Enable()
|
||||
{
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
|
||||
rt_tick_t timer_tick = (50 * usT35TimeOut50us)
|
||||
/ (1000 * 1000 / RT_TICK_PER_SECOND);
|
||||
|
||||
/* Set current timer mode,don't change it.*/
|
||||
vMBMasterSetCurTimerMode(MB_TMODE_T35);
|
||||
/* Set current timer mode, don't change it.*/
|
||||
vMBMasterSetCurTimerMode(MB_TMODE_T35);
|
||||
|
||||
TIM_TimeBaseStructure.TIM_Prescaler = usPrescalerValue;
|
||||
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
|
||||
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseStructure.TIM_Period = (uint16_t) usT35TimeOut50us;
|
||||
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
|
||||
rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
|
||||
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
|
||||
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
|
||||
TIM_SetCounter(TIM2, 0);
|
||||
TIM_Cmd(TIM2, ENABLE);
|
||||
rt_timer_start(&timer);
|
||||
}
|
||||
|
||||
void vMBMasterPortTimersConvertDelayEnable()
|
||||
{
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
|
||||
rt_tick_t timer_tick = MB_MASTER_DELAY_MS_CONVERT * RT_TICK_PER_SECOND / 1000;
|
||||
|
||||
/* Set current timer mode,don't change it.*/
|
||||
vMBMasterSetCurTimerMode(MB_TMODE_CONVERT_DELAY);
|
||||
/* Set current timer mode, don't change it.*/
|
||||
vMBMasterSetCurTimerMode(MB_TMODE_CONVERT_DELAY);
|
||||
|
||||
TIM_TimeBaseStructure.TIM_Prescaler = usPrescalerValue;
|
||||
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
|
||||
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseStructure.TIM_Period = (uint16_t)(MB_MASTER_DELAY_MS_CONVERT * 1000 / 50);
|
||||
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
|
||||
rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
|
||||
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
|
||||
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
|
||||
TIM_SetCounter(TIM2, 0);
|
||||
TIM_Cmd(TIM2, ENABLE);
|
||||
rt_timer_start(&timer);
|
||||
}
|
||||
|
||||
void vMBMasterPortTimersRespondTimeoutEnable()
|
||||
{
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
|
||||
rt_tick_t timer_tick = MB_MASTER_TIMEOUT_MS_RESPOND * RT_TICK_PER_SECOND / 1000;
|
||||
|
||||
/* Set current timer mode,don't change it.*/
|
||||
vMBMasterSetCurTimerMode(MB_TMODE_RESPOND_TIMEOUT);
|
||||
/* Set current timer mode, don't change it.*/
|
||||
vMBMasterSetCurTimerMode(MB_TMODE_RESPOND_TIMEOUT);
|
||||
|
||||
TIM_TimeBaseStructure.TIM_Prescaler = usPrescalerValue;
|
||||
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
|
||||
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseStructure.TIM_Period = (uint16_t)(MB_MASTER_TIMEOUT_MS_RESPOND * 1000 / 50);
|
||||
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
|
||||
rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
|
||||
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
|
||||
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
|
||||
TIM_SetCounter(TIM2, 0);
|
||||
TIM_Cmd(TIM2, ENABLE);
|
||||
rt_timer_start(&timer);
|
||||
}
|
||||
|
||||
void vMBMasterPortTimersDisable()
|
||||
{
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
|
||||
TIM_ITConfig(TIM2, TIM_IT_Update, DISABLE);
|
||||
TIM_SetCounter(TIM2, 0);
|
||||
TIM_Cmd(TIM2, DISABLE);
|
||||
rt_timer_stop(&timer);
|
||||
}
|
||||
|
||||
void prvvTIMERExpiredISR(void)
|
||||
{
|
||||
(void) pxMBMasterPortCBTimerExpired();
|
||||
(void) pxMBMasterPortCBTimerExpired();
|
||||
}
|
||||
|
||||
void TIM2_IRQHandler(void)
|
||||
static void timer_timeout_ind(void* parameter)
|
||||
{
|
||||
rt_interrupt_enter();
|
||||
if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)
|
||||
{
|
||||
|
||||
TIM_ClearFlag(TIM2, TIM_FLAG_Update); //清中断标记
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update); //清除定时器TIM2溢出中断标志位
|
||||
prvvTIMERExpiredISR();
|
||||
}
|
||||
rt_interrupt_leave();
|
||||
prvvTIMERExpiredISR();
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -1,4 +1,25 @@
|
|||
/*
|
||||
* FreeModbus Libary: user callback functions and buffer define in slave mode
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* File: $Id: user_mb_app.c,v 1.60 2013/11/23 11:49:05 Armink $
|
||||
*/
|
||||
#include "user_mb_app.h"
|
||||
|
||||
/*------------------------Slave mode use these variables----------------------*/
|
||||
//Slave mode:DiscreteInputs variables
|
||||
USHORT usSDiscInStart = S_DISCRETE_INPUT_START;
|
||||
|
@ -20,81 +41,41 @@ USHORT usSRegInBuf[S_REG_INPUT_NREGS] ;
|
|||
//Slave mode:HoldingRegister variables
|
||||
USHORT usSRegHoldStart = S_REG_HOLDING_START;
|
||||
USHORT usSRegHoldBuf[S_REG_HOLDING_NREGS] ;
|
||||
/*-----------------------Master mode use these variables----------------------*/
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
|
||||
//Master mode:DiscreteInputs variables
|
||||
USHORT usMDiscInStart = M_DISCRETE_INPUT_START;
|
||||
#if M_DISCRETE_INPUT_NDISCRETES%8
|
||||
UCHAR ucMDiscInBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_DISCRETE_INPUT_NDISCRETES/8+1];
|
||||
#else
|
||||
UCHAR ucMDiscInBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_DISCRETE_INPUT_NDISCRETES/8];
|
||||
#endif
|
||||
//Master mode:Coils variables
|
||||
USHORT usMCoilStart = M_COIL_START;
|
||||
#if M_COIL_NCOILS%8
|
||||
UCHAR ucMCoilBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_COIL_NCOILS/8+1];
|
||||
#else
|
||||
UCHAR ucMCoilBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_COIL_NCOILS/8];
|
||||
#endif
|
||||
//Master mode:InputRegister variables
|
||||
USHORT usMRegInStart = M_REG_INPUT_START;
|
||||
USHORT usMRegInBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_REG_INPUT_NREGS];
|
||||
//Master mode:HoldingRegister variables
|
||||
USHORT usMRegHoldStart = M_REG_HOLDING_START;
|
||||
USHORT usMRegHoldBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_REG_HOLDING_NREGS];
|
||||
#endif
|
||||
//******************************输入寄存器回调函数**********************************
|
||||
//函数定义: eMBErrorCode eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
|
||||
//描 述:输入寄存器相关的功能(读、连续读)
|
||||
//入口参数:pucRegBuffer : 回调函数将Modbus寄存器的当前值写入的缓冲区
|
||||
// usAddress : 寄存器的起始地址,输入寄存器的地址范围是1-65535。
|
||||
// usNRegs : 寄存器数量
|
||||
//出口参数:eMBErrorCode : 这个函数将返回的错误码
|
||||
//备 注:Editor:Armink 2010-10-31 Company: BXXJS
|
||||
//**********************************************************************************
|
||||
eMBErrorCode
|
||||
eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
|
||||
|
||||
/**
|
||||
* Modbus slave input register callback function.
|
||||
*
|
||||
* @param pucRegBuffer input register buffer
|
||||
* @param usAddress input register address
|
||||
* @param usNRegs input register number
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBRegInputCB(UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
int iRegIndex;
|
||||
USHORT iRegIndex;
|
||||
USHORT * pusRegInputBuf;
|
||||
UCHAR REG_INPUT_START;
|
||||
UCHAR REG_INPUT_NREGS;
|
||||
UCHAR usRegInStart;
|
||||
USHORT REG_INPUT_START;
|
||||
USHORT REG_INPUT_NREGS;
|
||||
USHORT usRegInStart;
|
||||
|
||||
//Determine the master or slave
|
||||
if (xMBMasterGetCBRunInMasterMode())
|
||||
{
|
||||
pusRegInputBuf = usMRegInBuf[ucMBMasterGetDestAddress()];
|
||||
REG_INPUT_START = M_REG_INPUT_START;
|
||||
REG_INPUT_NREGS = M_REG_INPUT_NREGS;
|
||||
usRegInStart = usMRegInStart;
|
||||
}
|
||||
else
|
||||
{
|
||||
pusRegInputBuf = usSRegInBuf;
|
||||
REG_INPUT_START = S_REG_INPUT_START;
|
||||
REG_INPUT_NREGS = S_REG_INPUT_NREGS;
|
||||
usRegInStart = usSRegInStart;
|
||||
}
|
||||
pusRegInputBuf = usSRegInBuf;
|
||||
REG_INPUT_START = S_REG_INPUT_START;
|
||||
REG_INPUT_NREGS = S_REG_INPUT_NREGS;
|
||||
usRegInStart = usSRegInStart;
|
||||
|
||||
if( ( usAddress >= REG_INPUT_START )
|
||||
&& ( usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS ) )
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
if ((usAddress >= REG_INPUT_START)
|
||||
&& (usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS))
|
||||
{
|
||||
iRegIndex = ( int )( usAddress - usRegInStart );
|
||||
while( usNRegs > 0 )
|
||||
iRegIndex = usAddress - usRegInStart;
|
||||
while (usNRegs > 0)
|
||||
{
|
||||
//Determine the master or slave
|
||||
if (xMBMasterGetCBRunInMasterMode())
|
||||
{
|
||||
pusRegInputBuf[iRegIndex] = *pucRegBuffer++ << 8;
|
||||
pusRegInputBuf[iRegIndex] |= *pucRegBuffer++;
|
||||
}
|
||||
else
|
||||
{
|
||||
*pucRegBuffer++ = ( unsigned char )( pusRegInputBuf[iRegIndex] >> 8 );
|
||||
*pucRegBuffer++ = ( unsigned char )( pusRegInputBuf[iRegIndex] & 0xFF );
|
||||
}
|
||||
*pucRegBuffer++ = (UCHAR) (pusRegInputBuf[iRegIndex] >> 8);
|
||||
*pucRegBuffer++ = (UCHAR) (pusRegInputBuf[iRegIndex] & 0xFF);
|
||||
iRegIndex++;
|
||||
usNRegs--;
|
||||
}
|
||||
|
@ -106,67 +87,55 @@ eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
|
|||
|
||||
return eStatus;
|
||||
}
|
||||
//******************************保持寄存器回调函数**********************************
|
||||
//函数定义: eMBErrorCode eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegisterMode eMode )
|
||||
//描 述:保持寄存器相关的功能(读、连续读、写、连续写)
|
||||
//入口参数:pucRegBuffer : 如果需要更新用户寄存器数值,这个缓冲区必须指向新的寄存器数值。
|
||||
// 如果协议栈想知道当前的数值,回调函数必须将当前值写入这个缓冲区
|
||||
// usAddress : 寄存器的起始地址。
|
||||
// usNRegs : 寄存器数量
|
||||
// eMode : 如果该参数为eMBRegisterMode::MB_REG_WRITE,用户的应用数值将从pucRegBuffer中得到更新。
|
||||
// 如果该参数为eMBRegisterMode::MB_REG_READ,用户需要将当前的应用数据存储在pucRegBuffer中
|
||||
//出口参数:eMBErrorCode : 这个函数将返回的错误码
|
||||
//备 注:Editor:Armink 2010-10-31 Company: BXXJS
|
||||
//**********************************************************************************
|
||||
eMBErrorCode
|
||||
eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegisterMode eMode )
|
||||
|
||||
/**
|
||||
* Modbus slave holding register callback function.
|
||||
*
|
||||
* @param pucRegBuffer holding register buffer
|
||||
* @param usAddress holding register address
|
||||
* @param usNRegs holding register number
|
||||
* @param eMode read or write
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBRegHoldingCB(UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNRegs, eMBRegisterMode eMode)
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
int iRegIndex;
|
||||
USHORT iRegIndex;
|
||||
USHORT * pusRegHoldingBuf;
|
||||
UCHAR REG_HOLDING_START;
|
||||
UCHAR REG_HOLDING_NREGS;
|
||||
UCHAR usRegHoldStart;
|
||||
USHORT REG_HOLDING_START;
|
||||
USHORT REG_HOLDING_NREGS;
|
||||
USHORT usRegHoldStart;
|
||||
|
||||
//Determine the master or slave
|
||||
if (xMBMasterGetCBRunInMasterMode())
|
||||
{
|
||||
pusRegHoldingBuf = usMRegHoldBuf[ucMBMasterGetDestAddress()];
|
||||
REG_HOLDING_START = M_REG_HOLDING_START;
|
||||
REG_HOLDING_NREGS = M_REG_HOLDING_NREGS;
|
||||
usRegHoldStart = usMRegHoldStart;
|
||||
//If mode is read,the master will wirte the received date to bufffer.
|
||||
eMode = MB_REG_WRITE;
|
||||
}
|
||||
else
|
||||
{
|
||||
pusRegHoldingBuf = usSRegHoldBuf;
|
||||
REG_HOLDING_START = S_REG_HOLDING_START;
|
||||
REG_HOLDING_NREGS = S_REG_HOLDING_NREGS;
|
||||
usRegHoldStart = usSRegHoldStart;
|
||||
}
|
||||
pusRegHoldingBuf = usSRegHoldBuf;
|
||||
REG_HOLDING_START = S_REG_HOLDING_START;
|
||||
REG_HOLDING_NREGS = S_REG_HOLDING_NREGS;
|
||||
usRegHoldStart = usSRegHoldStart;
|
||||
|
||||
if( ( usAddress >= REG_HOLDING_START ) &&
|
||||
( usAddress + usNRegs <= REG_HOLDING_START + REG_HOLDING_NREGS ) )
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
if ((usAddress >= REG_HOLDING_START)
|
||||
&& (usAddress + usNRegs <= REG_HOLDING_START + REG_HOLDING_NREGS))
|
||||
{
|
||||
iRegIndex = ( int )( usAddress - usRegHoldStart );
|
||||
switch ( eMode )
|
||||
iRegIndex = usAddress - usRegHoldStart;
|
||||
switch (eMode)
|
||||
{
|
||||
/* Pass current register values to the protocol stack. */
|
||||
/* read current register values from the protocol stack. */
|
||||
case MB_REG_READ:
|
||||
while( usNRegs > 0 )
|
||||
while (usNRegs > 0)
|
||||
{
|
||||
*pucRegBuffer++ = ( unsigned char )( pusRegHoldingBuf[iRegIndex] >> 8 );
|
||||
*pucRegBuffer++ = ( unsigned char )( pusRegHoldingBuf[iRegIndex] & 0xFF );
|
||||
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] >> 8);
|
||||
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] & 0xFF);
|
||||
iRegIndex++;
|
||||
usNRegs--;
|
||||
}
|
||||
break;
|
||||
|
||||
/* Update current register values with new values from the
|
||||
* protocol stack. */
|
||||
/* write current register values with new values from the protocol stack. */
|
||||
case MB_REG_WRITE:
|
||||
while( usNRegs > 0 )
|
||||
while (usNRegs > 0)
|
||||
{
|
||||
pusRegHoldingBuf[iRegIndex] = *pucRegBuffer++ << 8;
|
||||
pusRegHoldingBuf[iRegIndex] |= *pucRegBuffer++;
|
||||
|
@ -182,83 +151,76 @@ eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegi
|
|||
}
|
||||
return eStatus;
|
||||
}
|
||||
//****************************线圈状态寄存器回调函数********************************
|
||||
//函数定义: eMBErrorCode eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegisterMode eMode )
|
||||
//描 述:线圈状态寄存器相关的功能(读、连续读、写、连续写)
|
||||
//入口参数:pucRegBuffer : 位组成一个字节,起始寄存器对应的位处于该字节pucRegBuffer的最低位LSB。
|
||||
// 如果回调函数要写这个缓冲区,没有用到的线圈(例如不是8个一组的线圈状态)对应的位的数值必须设置位0。
|
||||
// usAddress : 第一个线圈地址。
|
||||
// usNCoils : 请求的线圈个数
|
||||
// eMode ;如果该参数为eMBRegisterMode::MB_REG_WRITE,用户的应用数值将从pucRegBuffer中得到更新。
|
||||
// 如果该参数为eMBRegisterMode::MB_REG_READ,用户需要将当前的应用数据存储在pucRegBuffer中
|
||||
//出口参数:eMBErrorCode : 这个函数将返回的错误码
|
||||
//备 注:Editor:Armink 2010-10-31 Company: BXXJS
|
||||
//**********************************************************************************
|
||||
eMBErrorCode
|
||||
eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegisterMode eMode )
|
||||
|
||||
/**
|
||||
* Modbus slave coils callback function.
|
||||
*
|
||||
* @param pucRegBuffer coils buffer
|
||||
* @param usAddress coils address
|
||||
* @param usNCoils coils number
|
||||
* @param eMode read or write
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBRegCoilsCB(UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNCoils, eMBRegisterMode eMode)
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
int iRegIndex , iRegBitIndex , iNReg;
|
||||
UCHAR * pucCoilBuf;
|
||||
UCHAR COIL_START;
|
||||
UCHAR COIL_NCOILS;
|
||||
UCHAR usCoilStart;
|
||||
iNReg = usNCoils / 8 + 1; //占用寄存器数量
|
||||
USHORT iRegIndex , iRegBitIndex , iNReg;
|
||||
UCHAR * pucCoilBuf;
|
||||
USHORT COIL_START;
|
||||
USHORT COIL_NCOILS;
|
||||
USHORT usCoilStart;
|
||||
iNReg = usNCoils / 8 + 1;
|
||||
|
||||
pucCoilBuf = ucSCoilBuf;
|
||||
COIL_START = S_COIL_START;
|
||||
COIL_NCOILS = S_COIL_NCOILS;
|
||||
usCoilStart = usSCoilStart;
|
||||
|
||||
//Determine the master or slave
|
||||
if (xMBMasterGetCBRunInMasterMode())
|
||||
{
|
||||
pucCoilBuf = ucMCoilBuf[ucMBMasterGetDestAddress()];
|
||||
COIL_START = M_COIL_START;
|
||||
COIL_NCOILS = M_COIL_NCOILS;
|
||||
usCoilStart = usMCoilStart;
|
||||
//If mode is read,the master will wirte the received date to bufffer.
|
||||
eMode = MB_REG_WRITE;
|
||||
}
|
||||
else
|
||||
{
|
||||
pucCoilBuf = ucSCoilBuf;
|
||||
COIL_START = S_COIL_START;
|
||||
COIL_NCOILS = S_COIL_NCOILS;
|
||||
usCoilStart = usSCoilStart;
|
||||
}
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
if( ( usAddress >= COIL_START ) &&
|
||||
( usAddress + usNCoils <= COIL_START + COIL_NCOILS ) )
|
||||
{
|
||||
iRegIndex = ( int )( usAddress - usCoilStart ) / 8 ; //每个寄存器存8个
|
||||
iRegBitIndex = ( int )( usAddress - usCoilStart ) % 8 ; //相对于寄存器内部的位地址
|
||||
iRegIndex = (USHORT) (usAddress - usCoilStart) / 8;
|
||||
iRegBitIndex = (USHORT) (usAddress - usCoilStart) % 8;
|
||||
switch ( eMode )
|
||||
{
|
||||
/* Pass current coil values to the protocol stack. */
|
||||
/* read current coil values from the protocol stack. */
|
||||
case MB_REG_READ:
|
||||
while( iNReg > 0 )
|
||||
while (iNReg > 0)
|
||||
{
|
||||
*pucRegBuffer++ = xMBUtilGetBits(&pucCoilBuf[iRegIndex++] , iRegBitIndex , 8);
|
||||
iNReg --;
|
||||
}
|
||||
pucRegBuffer --;
|
||||
usNCoils = usNCoils % 8; //余下的线圈数
|
||||
*pucRegBuffer = *pucRegBuffer <<(8 - usNCoils); //高位补零
|
||||
*pucRegBuffer = *pucRegBuffer >>(8 - usNCoils);
|
||||
break;
|
||||
|
||||
/* Update current coil values with new values from the
|
||||
* protocol stack. */
|
||||
case MB_REG_WRITE:
|
||||
while(iNReg > 1) //最后面余下来的数单独算
|
||||
{
|
||||
xMBUtilSetBits(&pucCoilBuf[iRegIndex++] , iRegBitIndex , 8 , *pucRegBuffer++);
|
||||
*pucRegBuffer++ = xMBUtilGetBits(&pucCoilBuf[iRegIndex++],
|
||||
iRegBitIndex, 8);
|
||||
iNReg--;
|
||||
}
|
||||
usNCoils = usNCoils % 8; //余下的线圈数
|
||||
if (usNCoils != 0) //xMBUtilSetBits方法 在操作位数量为0时存在bug
|
||||
{
|
||||
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, usNCoils,
|
||||
*pucRegBuffer++);
|
||||
}
|
||||
break;
|
||||
pucRegBuffer--;
|
||||
/* last coils */
|
||||
usNCoils = usNCoils % 8;
|
||||
/* filling zero to high bit */
|
||||
*pucRegBuffer = *pucRegBuffer << (8 - usNCoils);
|
||||
*pucRegBuffer = *pucRegBuffer >> (8 - usNCoils);
|
||||
break;
|
||||
|
||||
/* write current coil values with new values from the protocol stack. */
|
||||
case MB_REG_WRITE:
|
||||
while (iNReg > 1)
|
||||
{
|
||||
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, 8,
|
||||
*pucRegBuffer++);
|
||||
iNReg--;
|
||||
}
|
||||
/* last coils */
|
||||
usNCoils = usNCoils % 8;
|
||||
/* xMBUtilSetBits has bug when ucNBits is zero */
|
||||
if (usNCoils != 0)
|
||||
{
|
||||
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, usNCoils,
|
||||
*pucRegBuffer++);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
|
@ -267,78 +229,52 @@ eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegis
|
|||
}
|
||||
return eStatus;
|
||||
}
|
||||
//****************************离散输入寄存器回调函数********************************
|
||||
//函数定义: eMBErrorCode eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
|
||||
//描 述:离散输入寄存器相关的功能(读、连续读)
|
||||
//入口参数:pucRegBuffer : 用当前的线圈数据更新这个寄存器,起始寄存器对应的位处于该字节pucRegBuffer的最低位LSB。
|
||||
// 如果回调函数要写这个缓冲区,没有用到的线圈(例如不是8个一组的线圈状态)对应的位的数值必须设置为0。
|
||||
// usAddress : 离散输入的起始地址
|
||||
// usNDiscrete : 离散输入点数量
|
||||
//出口参数:eMBErrorCode : 这个函数将返回的错误码
|
||||
//备 注:Editor:Armink 2010-10-31 Company: BXXJS
|
||||
//**********************************************************************************
|
||||
eMBErrorCode
|
||||
eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
|
||||
|
||||
/**
|
||||
* Modbus slave discrete callback function.
|
||||
*
|
||||
* @param pucRegBuffer discrete buffer
|
||||
* @param usAddress discrete address
|
||||
* @param usNDiscrete discrete number
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
int iRegIndex , iRegBitIndex , iNReg;
|
||||
UCHAR * pucDiscreteInputBuf;
|
||||
UCHAR DISCRETE_INPUT_START;
|
||||
UCHAR DISCRETE_INPUT_NDISCRETES;
|
||||
UCHAR usDiscreteInputStart;
|
||||
iNReg = usNDiscrete / 8 + 1; //占用寄存器数量
|
||||
USHORT iRegIndex , iRegBitIndex , iNReg;
|
||||
UCHAR * pucDiscreteInputBuf;
|
||||
USHORT DISCRETE_INPUT_START;
|
||||
USHORT DISCRETE_INPUT_NDISCRETES;
|
||||
USHORT usDiscreteInputStart;
|
||||
iNReg = usNDiscrete / 8 + 1;
|
||||
|
||||
//Determine the master or slave
|
||||
if (xMBMasterGetCBRunInMasterMode())
|
||||
{
|
||||
pucDiscreteInputBuf = ucMDiscInBuf[ucMBMasterGetDestAddress()];
|
||||
DISCRETE_INPUT_START = M_DISCRETE_INPUT_START;
|
||||
DISCRETE_INPUT_NDISCRETES = M_DISCRETE_INPUT_NDISCRETES;
|
||||
usDiscreteInputStart = usMDiscInStart;
|
||||
}
|
||||
else
|
||||
{
|
||||
pucDiscreteInputBuf = ucSDiscInBuf;
|
||||
DISCRETE_INPUT_START = S_DISCRETE_INPUT_START;
|
||||
DISCRETE_INPUT_NDISCRETES = S_DISCRETE_INPUT_NDISCRETES;
|
||||
usDiscreteInputStart = usSDiscInStart;
|
||||
}
|
||||
pucDiscreteInputBuf = ucSDiscInBuf;
|
||||
DISCRETE_INPUT_START = S_DISCRETE_INPUT_START;
|
||||
DISCRETE_INPUT_NDISCRETES = S_DISCRETE_INPUT_NDISCRETES;
|
||||
usDiscreteInputStart = usSDiscInStart;
|
||||
|
||||
if( ( usAddress >= DISCRETE_INPUT_START )
|
||||
&& ( usAddress + usNDiscrete <= DISCRETE_INPUT_START + DISCRETE_INPUT_NDISCRETES ) )
|
||||
{
|
||||
iRegIndex = ( int )( usAddress - usDiscreteInputStart ) / 8 ; //每个寄存器存8个
|
||||
iRegBitIndex = ( int )( usAddress - usDiscreteInputStart ) % 8 ; //相对于寄存器内部的位地址
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
//Determine the master or slave
|
||||
if (xMBMasterGetCBRunInMasterMode())
|
||||
{
|
||||
/* Update current coil values with new values from the
|
||||
* protocol stack. */
|
||||
while(iNReg > 1) //最后面余下来的数单独算
|
||||
{
|
||||
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++] , iRegBitIndex , 8 , *pucRegBuffer++);
|
||||
iNReg--;
|
||||
}
|
||||
usNDiscrete = usNDiscrete % 8; //余下的线圈数
|
||||
if (usNDiscrete != 0) //xMBUtilSetBits方法 在操作位数量为0时存在bug
|
||||
{
|
||||
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++], iRegBitIndex,
|
||||
usNDiscrete, *pucRegBuffer++);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
while( iNReg > 0 )
|
||||
{
|
||||
*pucRegBuffer++ = xMBUtilGetBits(&pucDiscreteInputBuf[iRegIndex++] , iRegBitIndex , 8);
|
||||
iNReg --;
|
||||
}
|
||||
pucRegBuffer --;
|
||||
usNDiscrete = usNDiscrete % 8; //余下的线圈数
|
||||
*pucRegBuffer = *pucRegBuffer <<(8 - usNDiscrete); //高位补零
|
||||
*pucRegBuffer = *pucRegBuffer >>(8 - usNDiscrete);
|
||||
}
|
||||
if ((usAddress >= DISCRETE_INPUT_START)
|
||||
&& (usAddress + usNDiscrete <= DISCRETE_INPUT_START + DISCRETE_INPUT_NDISCRETES))
|
||||
{
|
||||
iRegIndex = (USHORT) (usAddress - usDiscreteInputStart) / 8;
|
||||
iRegBitIndex = (USHORT) (usAddress - usDiscreteInputStart) % 8;
|
||||
|
||||
while (iNReg > 0)
|
||||
{
|
||||
*pucRegBuffer++ = xMBUtilGetBits(&pucDiscreteInputBuf[iRegIndex++],
|
||||
iRegBitIndex, 8);
|
||||
iNReg--;
|
||||
}
|
||||
pucRegBuffer--;
|
||||
/* last discrete */
|
||||
usNDiscrete = usNDiscrete % 8;
|
||||
/* filling zero to high bit */
|
||||
*pucRegBuffer = *pucRegBuffer << (8 - usNDiscrete);
|
||||
*pucRegBuffer = *pucRegBuffer >> (8 - usNDiscrete);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
@ -347,3 +283,4 @@ eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
|
|||
|
||||
return eStatus;
|
||||
}
|
||||
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
#ifndef USER_APP
|
||||
#ifndef USER_APP
|
||||
#define USER_APP
|
||||
/* ----------------------- Modbus includes ----------------------------------*/
|
||||
#include "mb.h"
|
||||
|
@ -8,47 +8,39 @@
|
|||
#include "mbutils.h"
|
||||
|
||||
/* -----------------------Slave Defines -------------------------------------*/
|
||||
#define S_DISCRETE_INPUT_START 1
|
||||
#define S_DISCRETE_INPUT_START 0
|
||||
#define S_DISCRETE_INPUT_NDISCRETES 16
|
||||
#define S_COIL_START 1
|
||||
#define S_COIL_START 0
|
||||
#define S_COIL_NCOILS 64
|
||||
#define S_REG_INPUT_START 1
|
||||
#define S_REG_INPUT_START 0
|
||||
#define S_REG_INPUT_NREGS 100
|
||||
#define S_REG_HOLDING_START 1
|
||||
#define S_REG_HOLDING_START 0
|
||||
#define S_REG_HOLDING_NREGS 100
|
||||
//从机模式:在保持寄存器中,各个地址对应的功能定义
|
||||
#define S_HD_RESERVE 0 //保留
|
||||
#define S_HD_CPU_USAGE_MAJOR 1 //当前CPU利用率的整数位
|
||||
#define S_HD_CPU_USAGE_MINOR 2 //当前CPU利用率的小数位
|
||||
|
||||
//从机模式:在输入寄存器中,各个地址对应的功能定义
|
||||
#define S_IN_RESERVE 0 //保留
|
||||
|
||||
//从机模式:在线圈中,各个地址对应的功能定义
|
||||
#define S_CO_RESERVE 2 //保留
|
||||
|
||||
//从机模式:在离散输入中,各个地址对应的功能定义
|
||||
#define S_DI_RESERVE 1 //保留
|
||||
/* salve mode: holding register's all address */
|
||||
#define S_HD_RESERVE 0
|
||||
/* salve mode: input register's all address */
|
||||
#define S_IN_RESERVE 0
|
||||
/* salve mode: coil's all address */
|
||||
#define S_CO_RESERVE 0
|
||||
/* salve mode: discrete's all address */
|
||||
#define S_DI_RESERVE 0
|
||||
|
||||
/* -----------------------Master Defines -------------------------------------*/
|
||||
#define M_DISCRETE_INPUT_START 1
|
||||
#define M_DISCRETE_INPUT_START 0
|
||||
#define M_DISCRETE_INPUT_NDISCRETES 16
|
||||
#define M_COIL_START 1
|
||||
#define M_COIL_START 0
|
||||
#define M_COIL_NCOILS 64
|
||||
#define M_REG_INPUT_START 1
|
||||
#define M_REG_INPUT_START 0
|
||||
#define M_REG_INPUT_NREGS 100
|
||||
#define M_REG_HOLDING_START 1
|
||||
#define M_REG_HOLDING_START 0
|
||||
#define M_REG_HOLDING_NREGS 100
|
||||
//主机模式:在保持寄存器中,各个地址对应的功能定义
|
||||
#define M_HD_RESERVE 0 //保留
|
||||
|
||||
//主机模式:在输入寄存器中,各个地址对应的功能定义
|
||||
#define M_IN_RESERVE 0 //保留
|
||||
|
||||
//主机模式:在线圈中,各个地址对应的功能定义
|
||||
#define M_CO_RESERVE 2 //保留
|
||||
|
||||
//主机模式:在离散输入中,各个地址对应的功能定义
|
||||
#define M_DI_RESERVE 1 //保留
|
||||
/* master mode: holding register's all address */
|
||||
#define M_HD_RESERVE 0
|
||||
/* master mode: input register's all address */
|
||||
#define M_IN_RESERVE 0
|
||||
/* master mode: coil's all address */
|
||||
#define M_CO_RESERVE 0
|
||||
/* master mode: discrete's all address */
|
||||
#define M_DI_RESERVE 0
|
||||
|
||||
#endif
|
||||
|
|
|
@ -0,0 +1,294 @@
|
|||
/*
|
||||
* FreeModbus Libary: user callback functions and buffer define in master mode
|
||||
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* File: $Id: user_mb_app_m.c,v 1.60 2013/11/23 11:49:05 Armink $
|
||||
*/
|
||||
#include "user_mb_app.h"
|
||||
|
||||
/*-----------------------Master mode use these variables----------------------*/
|
||||
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
|
||||
//Master mode:DiscreteInputs variables
|
||||
USHORT usMDiscInStart = M_DISCRETE_INPUT_START;
|
||||
#if M_DISCRETE_INPUT_NDISCRETES%8
|
||||
UCHAR ucMDiscInBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_DISCRETE_INPUT_NDISCRETES/8+1];
|
||||
#else
|
||||
UCHAR ucMDiscInBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_DISCRETE_INPUT_NDISCRETES/8];
|
||||
#endif
|
||||
//Master mode:Coils variables
|
||||
USHORT usMCoilStart = M_COIL_START;
|
||||
#if M_COIL_NCOILS%8
|
||||
UCHAR ucMCoilBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_COIL_NCOILS/8+1];
|
||||
#else
|
||||
UCHAR ucMCoilBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_COIL_NCOILS/8];
|
||||
#endif
|
||||
//Master mode:InputRegister variables
|
||||
USHORT usMRegInStart = M_REG_INPUT_START;
|
||||
USHORT usMRegInBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_REG_INPUT_NREGS];
|
||||
//Master mode:HoldingRegister variables
|
||||
USHORT usMRegHoldStart = M_REG_HOLDING_START;
|
||||
USHORT usMRegHoldBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_REG_HOLDING_NREGS];
|
||||
|
||||
/**
|
||||
* Modbus master input register callback function.
|
||||
*
|
||||
* @param pucRegBuffer input register buffer
|
||||
* @param usAddress input register address
|
||||
* @param usNRegs input register number
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
USHORT iRegIndex;
|
||||
USHORT * pusRegInputBuf;
|
||||
USHORT REG_INPUT_START;
|
||||
USHORT REG_INPUT_NREGS;
|
||||
USHORT usRegInStart;
|
||||
|
||||
pusRegInputBuf = usMRegInBuf[ucMBMasterGetDestAddress() - 1];
|
||||
REG_INPUT_START = M_REG_INPUT_START;
|
||||
REG_INPUT_NREGS = M_REG_INPUT_NREGS;
|
||||
usRegInStart = usMRegInStart;
|
||||
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
if ((usAddress >= REG_INPUT_START)
|
||||
&& (usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS))
|
||||
{
|
||||
iRegIndex = usAddress - usRegInStart;
|
||||
while (usNRegs > 0)
|
||||
{
|
||||
pusRegInputBuf[iRegIndex] = *pucRegBuffer++ << 8;
|
||||
pusRegInputBuf[iRegIndex] |= *pucRegBuffer++;
|
||||
iRegIndex++;
|
||||
usNRegs--;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
eStatus = MB_ENOREG;
|
||||
}
|
||||
|
||||
return eStatus;
|
||||
}
|
||||
|
||||
/**
|
||||
* Modbus master holding register callback function.
|
||||
*
|
||||
* @param pucRegBuffer holding register buffer
|
||||
* @param usAddress holding register address
|
||||
* @param usNRegs holding register number
|
||||
* @param eMode read or write
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegHoldingCB(UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNRegs, eMBRegisterMode eMode)
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
USHORT iRegIndex;
|
||||
USHORT * pusRegHoldingBuf;
|
||||
USHORT REG_HOLDING_START;
|
||||
USHORT REG_HOLDING_NREGS;
|
||||
USHORT usRegHoldStart;
|
||||
|
||||
pusRegHoldingBuf = usMRegHoldBuf[ucMBMasterGetDestAddress() - 1];
|
||||
REG_HOLDING_START = M_REG_HOLDING_START;
|
||||
REG_HOLDING_NREGS = M_REG_HOLDING_NREGS;
|
||||
usRegHoldStart = usMRegHoldStart;
|
||||
/* if mode is read, the master will write the received date to buffer. */
|
||||
eMode = MB_REG_WRITE;
|
||||
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
if ((usAddress >= REG_HOLDING_START)
|
||||
&& (usAddress + usNRegs <= REG_HOLDING_START + REG_HOLDING_NREGS))
|
||||
{
|
||||
iRegIndex = usAddress - usRegHoldStart;
|
||||
switch (eMode)
|
||||
{
|
||||
/* read current register values from the protocol stack. */
|
||||
case MB_REG_READ:
|
||||
while (usNRegs > 0)
|
||||
{
|
||||
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] >> 8);
|
||||
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] & 0xFF);
|
||||
iRegIndex++;
|
||||
usNRegs--;
|
||||
}
|
||||
break;
|
||||
/* write current register values with new values from the protocol stack. */
|
||||
case MB_REG_WRITE:
|
||||
while (usNRegs > 0)
|
||||
{
|
||||
pusRegHoldingBuf[iRegIndex] = *pucRegBuffer++ << 8;
|
||||
pusRegHoldingBuf[iRegIndex] |= *pucRegBuffer++;
|
||||
iRegIndex++;
|
||||
usNRegs--;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
eStatus = MB_ENOREG;
|
||||
}
|
||||
return eStatus;
|
||||
}
|
||||
|
||||
/**
|
||||
* Modbus master coils callback function.
|
||||
*
|
||||
* @param pucRegBuffer coils buffer
|
||||
* @param usAddress coils address
|
||||
* @param usNCoils coils number
|
||||
* @param eMode read or write
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegCoilsCB(UCHAR * pucRegBuffer, USHORT usAddress,
|
||||
USHORT usNCoils, eMBRegisterMode eMode)
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
USHORT iRegIndex , iRegBitIndex , iNReg;
|
||||
UCHAR * pucCoilBuf;
|
||||
USHORT COIL_START;
|
||||
USHORT COIL_NCOILS;
|
||||
USHORT usCoilStart;
|
||||
iNReg = usNCoils / 8 + 1;
|
||||
|
||||
pucCoilBuf = ucMCoilBuf[ucMBMasterGetDestAddress() - 1];
|
||||
COIL_START = M_COIL_START;
|
||||
COIL_NCOILS = M_COIL_NCOILS;
|
||||
usCoilStart = usMCoilStart;
|
||||
|
||||
/* if mode is read,the master will write the received date to buffer. */
|
||||
eMode = MB_REG_WRITE;
|
||||
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
if ((usAddress >= COIL_START)
|
||||
&& (usAddress + usNCoils <= COIL_START + COIL_NCOILS))
|
||||
{
|
||||
iRegIndex = (USHORT) (usAddress - usCoilStart) / 8;
|
||||
iRegBitIndex = (USHORT) (usAddress - usCoilStart) % 8;
|
||||
switch (eMode)
|
||||
{
|
||||
/* read current coil values from the protocol stack. */
|
||||
case MB_REG_READ:
|
||||
while (iNReg > 0)
|
||||
{
|
||||
*pucRegBuffer++ = xMBUtilGetBits(&pucCoilBuf[iRegIndex++],
|
||||
iRegBitIndex, 8);
|
||||
iNReg--;
|
||||
}
|
||||
pucRegBuffer--;
|
||||
/* last coils */
|
||||
usNCoils = usNCoils % 8;
|
||||
/* filling zero to high bit */
|
||||
*pucRegBuffer = *pucRegBuffer << (8 - usNCoils);
|
||||
*pucRegBuffer = *pucRegBuffer >> (8 - usNCoils);
|
||||
break;
|
||||
|
||||
/* write current coil values with new values from the protocol stack. */
|
||||
case MB_REG_WRITE:
|
||||
while (iNReg > 1)
|
||||
{
|
||||
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, 8,
|
||||
*pucRegBuffer++);
|
||||
iNReg--;
|
||||
}
|
||||
/* last coils */
|
||||
usNCoils = usNCoils % 8;
|
||||
/* xMBUtilSetBits has bug when ucNBits is zero */
|
||||
if (usNCoils != 0)
|
||||
{
|
||||
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, usNCoils,
|
||||
*pucRegBuffer++);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
eStatus = MB_ENOREG;
|
||||
}
|
||||
return eStatus;
|
||||
}
|
||||
|
||||
/**
|
||||
* Modbus master discrete callback function.
|
||||
*
|
||||
* @param pucRegBuffer discrete buffer
|
||||
* @param usAddress discrete address
|
||||
* @param usNDiscrete discrete number
|
||||
*
|
||||
* @return result
|
||||
*/
|
||||
eMBErrorCode eMBMasterRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
|
||||
{
|
||||
eMBErrorCode eStatus = MB_ENOERR;
|
||||
USHORT iRegIndex , iRegBitIndex , iNReg;
|
||||
UCHAR * pucDiscreteInputBuf;
|
||||
USHORT DISCRETE_INPUT_START;
|
||||
USHORT DISCRETE_INPUT_NDISCRETES;
|
||||
USHORT usDiscreteInputStart;
|
||||
iNReg = usNDiscrete / 8 + 1;
|
||||
|
||||
pucDiscreteInputBuf = ucMDiscInBuf[ucMBMasterGetDestAddress() - 1];
|
||||
DISCRETE_INPUT_START = M_DISCRETE_INPUT_START;
|
||||
DISCRETE_INPUT_NDISCRETES = M_DISCRETE_INPUT_NDISCRETES;
|
||||
usDiscreteInputStart = usMDiscInStart;
|
||||
|
||||
/* it already plus one in modbus function method. */
|
||||
usAddress--;
|
||||
|
||||
if ((usAddress >= DISCRETE_INPUT_START)
|
||||
&& (usAddress + usNDiscrete <= DISCRETE_INPUT_START + DISCRETE_INPUT_NDISCRETES))
|
||||
{
|
||||
iRegIndex = (USHORT) (usAddress - usDiscreteInputStart) / 8;
|
||||
iRegBitIndex = (USHORT) (usAddress - usDiscreteInputStart) % 8;
|
||||
|
||||
/* write current discrete values with new values from the protocol stack. */
|
||||
while (iNReg > 1)
|
||||
{
|
||||
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++], iRegBitIndex, 8,
|
||||
*pucRegBuffer++);
|
||||
iNReg--;
|
||||
}
|
||||
/* last discrete */
|
||||
usNDiscrete = usNDiscrete % 8;
|
||||
/* xMBUtilSetBits has bug when ucNBits is zero */
|
||||
if (usNDiscrete != 0)
|
||||
{
|
||||
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++], iRegBitIndex,
|
||||
usNDiscrete, *pucRegBuffer++);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
eStatus = MB_ENOREG;
|
||||
}
|
||||
|
||||
return eStatus;
|
||||
}
|
||||
#endif
|
Loading…
Reference in New Issue