/* ----------------------- Start implementation -----------------------------*/
eMBErrorCode eMBInit( eMBMode eMode, UCHAR ucSlaveAddress, UCHAR ucPort, ULONG ulBaudRate, eMBParity eParity ) {
eMBErrorCode eStatus = MB_ENOERR;
/* check preconditions */
if( ( ucSlaveAddress == MB_ADDRESS_BROADCAST ) ||
( ucSlaveAddress < MB_ADDRESS_MIN ) || ( ucSlaveAddress > MB_ADDRESS_MAX ) )
{
eStatus = MB_EINVAL;
printf("Alamat MODBUS Client diluar range [1-247]");
} else {
ucMBAddress = ucSlaveAddress;
switch ( eMode )
{
#if MB_RTU_ENABLED > 0
case MB_RTU:
pvMBFrameStartCur = eMBRTUStart;
pvMBFrameStopCur = eMBRTUStop;
peMBFrameSendCur = eMBRTUSend;
peMBFrameReceiveCur = eMBRTUReceive;
pvMBFrameCloseCur = MB_PORT_HAS_CLOSE ? vMBPortClose : NULL;
pxMBFrameCBByteReceived = xMBRTUReceiveFSM;
pxMBFrameCBTransmitterEmpty = xMBRTUTransmitFSM;
pxMBPortCBTimerExpired = xMBRTUTimerT35Expired;
eStatus = eMBRTUInit( ucMBAddress, ucPort, ulBaudRate, eParity );
break;
#endif
#if MB_ASCII_ENABLED > 0
case MB_ASCII:
pvMBFrameStartCur = eMBASCIIStart;
pvMBFrameStopCur = eMBASCIIStop;
peMBFrameSendCur = eMBASCIISend;
peMBFrameReceiveCur = eMBASCIIReceive;
pvMBFrameCloseCur = MB_PORT_HAS_CLOSE ? vMBPortClose : NULL;
pxMBFrameCBByteReceived = xMBASCIIReceiveFSM;
pxMBFrameCBTransmitterEmpty = xMBASCIITransmitFSM;
pxMBPortCBTimerExpired = xMBASCIITimerT1SExpired;
eStatus = eMBASCIIInit( ucMBAddress, ucPort, ulBaudRate, eParity );
break;
#endif
default:
eStatus = MB_EINVAL;
}
if( eStatus == MB_ENOERR ) {
if( !xMBPortEventInit( ) ) {
/* port dependent event module initalization failed. */
eStatus = MB_EPORTERR;
} else {
eMBCurrentMode = eMode;
eMBState = STATE_DISABLED;
}
}
}
return eStatus;
}
eMBErrorCode
eMBMasterInit( eMBMode eMode, char *ucPort, ULONG ulBaudRate, eMBParity eParity )
{
eMBErrorCode eStatus = MB_ENOERR;
switch ( eMode )
{
case MB_RTU:
pvMBFrameStartCur = eMBRTUStart;
pvMBFrameStopCur = eMBRTUStop;
peMBFrameSendCur = eMBRTUSend;
peMBFrameReceiveCur = eMBRTUReceive;
pvMBFrameCloseCur = MB_PORT_HAS_CLOSE ? vMBPortClose : NULL;
pxMBFrameCBByteReceived = xMBRTUReceiveFSM;
pxMBFrameCBTransmitterEmpty = xMBRTUTransmitFSM;
pxMBPortCBTimerExpired = xMBRTUTimerT35Expired;
eStatus = eMBRTUInit( ucMBAddress, ucPort, ulBaudRate, eParity );
break;
default:
eStatus = MB_EINVAL;
}
if( eStatus == MB_ENOERR )
{
if( !xMBPortEventInit( ) )
{
/* port dependent event module initalization failed. */
eStatus = MB_EPORTERR;
}
else
{
eMBCurrentMode = eMode;
eMBState = STATE_DISABLED;
}
}
return eStatus;
}
/* ----------------------- Start implementation -----------------------------*/
eMBErrorCode
eMBInit( stMBContext *stContext, eMBMode eMode, UCHAR ucSlaveAddress, UCHAR ucPort, ULONG ulBaudRate, eMBParity eParity )
{
eMBErrorCode eStatus = MB_ENOERR;
stContext->eState=STATE_NOT_INITIALIZED;
/* check preconditions */
if( ( ucSlaveAddress == MB_ADDRESS_BROADCAST ) ||
( ucSlaveAddress < MB_ADDRESS_MIN ) || ( ucSlaveAddress > MB_ADDRESS_MAX ) )
{
eStatus = MB_EINVAL;
}
else
{
stContext->ucMBAddress = ucSlaveAddress;
switch ( eMode )
{
#if MB_RTU_ENABLED > 0
case MB_RTU:
stContext->pvMBFrameStartCur = eMBRTUStart;
stContext->pvMBFrameStopCur = eMBRTUStop;
stContext->peMBFrameSendCur = eMBRTUSend;
stContext->peMBFrameReceiveCur = eMBRTUReceive;
stContext->pvMBFrameCloseCur = MB_PORT_HAS_CLOSE ? stContext->stCommunication.vMBPortClose : NULL;
stContext->pxMBFrameCBByteReceived = xMBRTUReceiveFSM;
stContext->pxMBFrameCBTransmitterEmpty = xMBRTUTransmitFSM;
stContext->pxMBPortCBTimerExpired = xMBRTUTimerT35Expired;
eStatus = eMBRTUInit(&stContext->stCommunication, &stContext->stTimer, stContext->ucMBAddress, ucPort, ulBaudRate, eParity );
break;
#endif
#if MB_ASCII_ENABLED > 0
case MB_ASCII:
stContext->pvMBFrameStartCur = eMBASCIIStart;
stContext->pvMBFrameStopCur = eMBASCIIStop;
stContext->peMBFrameSendCur = eMBASCIISend;
stContext->peMBFrameReceiveCur = eMBASCIIReceive;
stContext->pvMBFrameCloseCur = MB_PORT_HAS_CLOSE ? vMBPortClose : NULL;
stContext->pxMBFrameCBByteReceived = xMBASCIIReceiveFSM;
stContext->pxMBFrameCBTransmitterEmpty = xMBASCIITransmitFSM;
stContext->pxMBPortCBTimerExpired = xMBASCIITimerT1SExpired;
eStatus = eMBASCIIInit( ucMBAddress, ucPort, ulBaudRate, eParity );
break;
#endif
default:
eStatus = MB_EINVAL;
}
if( eStatus == MB_ENOERR )
{
if( !xMBPortEventInit(&stContext->stEvent ) )
{
/* port dependent event module initalization failed. */
eStatus = MB_EPORTERR;
}
else
{
stContext->eMBCurrentMode = eMode;
stContext->eState = STATE_DISABLED;
}
}
}
return eStatus;
}
eMBErrorCode eMBInit(eMBMode eMode, uint8_t ucSlaveAddress, uint8_t ucPort,
speed_t ulBaudRate, eMBParity eParity)
{
eMBErrorCode eStatus = MB_ENOERR;
/* check preconditions */
if ((ucSlaveAddress == MB_ADDRESS_BROADCAST) ||
(ucSlaveAddress < MB_ADDRESS_MIN) || (ucSlaveAddress > MB_ADDRESS_MAX))
{
eStatus = MB_EINVAL;
}
else
{
ucMBAddress = ucSlaveAddress;
switch (eMode)
{
#ifdef CONFIG_MB_RTU_ENABLED
case MB_RTU:
pvMBFrameStartCur = eMBRTUStart;
pvMBFrameStopCur = eMBRTUStop;
peMBFrameSendCur = eMBRTUSend;
peMBFrameReceiveCur = eMBRTUReceive;
pvMBFrameCloseCur = vMBPortClose;
pxMBFrameCBByteReceived = xMBRTUReceiveFSM;
pxMBFrameCBTransmitterEmpty = xMBRTUTransmitFSM;
pxMBPortCBTimerExpired = xMBRTUTimerT35Expired;
eStatus = eMBRTUInit(ucMBAddress, ucPort, ulBaudRate, eParity);
break;
#endif
#ifdef CONFIG_MB_ASCII_ENABLED
case MB_ASCII:
pvMBFrameStartCur = eMBASCIIStart;
pvMBFrameStopCur = eMBASCIIStop;
peMBFrameSendCur = eMBASCIISend;
peMBFrameReceiveCur = eMBASCIIReceive;
pvMBFrameCloseCur = vMBPortClose;
pxMBFrameCBByteReceived = xMBASCIIReceiveFSM;
pxMBFrameCBTransmitterEmpty = xMBASCIITransmitFSM;
pxMBPortCBTimerExpired = xMBASCIITimerT1SExpired;
eStatus = eMBASCIIInit(ucMBAddress, ucPort, ulBaudRate, eParity);
break;
#endif
default:
eStatus = MB_EINVAL;
}
if (eStatus == MB_ENOERR)
{
if (!xMBPortEventInit())
{
/* port dependent event module initialization failed. */
eStatus = MB_EPORTERR;
}
else
{
eMBCurrentMode = eMode;
eMBState = STATE_DISABLED;
}
}
}
return eStatus;
}