1、【修改】FreeModbus主机读写寄存器数量大于256时,可能出现的Bug。感谢网友 @geffu 的反馈。

Signed-off-by: armink <armink.ztl@gmail.com>
This commit is contained in:
armink 2014-09-19 10:31:54 +08:00
parent 7eed16b188
commit 9c33ea1b1e
3 changed files with 8 additions and 7 deletions

View File

@ -1,14 +1,12 @@
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<externalSettings/>
<extensions>
<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
<extension id="com.iar.cdt.errorParser.com.iar.cdt.errorParser.ErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<storageModule moduleId="cdtBuildSystem" version="4.0.0">
@ -98,6 +96,9 @@
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<inputType id="iar.arm.toolchain.linker.inputType.object.v5.4.0.585833279" name="IAR Linker Input Type for ARM (o)" superClass="iar.arm.toolchain.linker.inputType.object.v5.4.0">
<additionalInput kind="additionalinput" paths="$(LIBS)"/>
<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
@ -117,8 +118,8 @@
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View File

@ -308,7 +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.

View File

@ -116,7 +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.