libs/FreeModbus_Slave-Master-RTT-STM32
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FreeModbus_Slave-Master-RTT-STM32
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1、【增加】FreeModbus主机保持寄存器API注释说明 

Signed-off-by: armink <armink.ztl@gmail.com>
This commit is contained in:
armink 2014-01-20 12:02:57 +08:00
parent 8f88e24ea5
commit 5d3bb1b383
1 changed files with 44 additions and 0 deletions
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44
FreeModbus/modbus/functions/mbfuncholding_m.c
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@ -86,6 +86,16 @@ eMBException prveMBError2Exception( eMBErrorCode eErrorCode );
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
#if MB_FUNC_WRITE_HOLDING_ENABLED > 0
/**
* This function will request write holding register.
*
* @param ucSndAddr salve address
* @param usRegAddr register start address
* @param usRegData register data to be written
* @param lTimeOut timeout (-1 will waiting forever)
*
* @return error code
*/
eMBMasterReqErrCode
eMBMasterReqWriteHoldingRegister( UCHAR ucSndAddr, USHORT usRegAddr, USHORT usRegData, LONG lTimeOut )
{
@ -143,6 +153,17 @@ eMBMasterFuncWriteHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
#if MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED > 0
/**
* This function will request write multiple holding register.
*
* @param ucSndAddr salve address
* @param usRegAddr register start address
* @param usNRegs register total number
* @param pusDataBuffer data to be written
* @param lTimeOut timeout (-1 will waiting forever)
*
* @return error code
*/
eMBMasterReqErrCode
eMBMasterReqWriteMultipleHoldingRegister( UCHAR ucSndAddr,
USHORT usRegAddr, USHORT usNRegs, USHORT * pusDataBuffer, LONG lTimeOut )
@ -227,6 +248,16 @@ 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, LONG lTimeOut )
{
@ -300,6 +331,19 @@ 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,