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FreeModbus_Slave-Master-RTT-STM32
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1、【修复】FreeModbus V1.5从机源码中遗留的读保持寄存器一处书写错误。 

Signed-off-by: armink <armink.ztl@gmail.com>
This commit is contained in:
armink 2015-11-09 18:55:59 +08:00
parent 211d19bd31
commit b473707f3e
1 changed files with 1 additions and 1 deletions
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2
FreeModbus/modbus/functions/mbfuncholding.c
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@ -183,7 +183,7 @@ eMBFuncReadHoldingRegister( UCHAR * pucFrame, USHORT * usLen )
usRegAddress++; usRegAddress++;
usRegCount = ( USHORT )( pucFrame[MB_PDU_FUNC_READ_REGCNT_OFF] << 8 ); usRegCount = ( USHORT )( pucFrame[MB_PDU_FUNC_READ_REGCNT_OFF] << 8 );
usRegCount = ( USHORT )( pucFrame[MB_PDU_FUNC_READ_REGCNT_OFF + 1] ); usRegCount |= ( USHORT )( pucFrame[MB_PDU_FUNC_READ_REGCNT_OFF + 1] );
/* Check if the number of registers to read is valid. If not /* Check if the number of registers to read is valid. If not
* return Modbus illegal data value exception. * return Modbus illegal data value exception.