Add quirks flag MODBUS_QUIRK_IGNORE_RTU_SLAVE_CHECK. #672
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SergeyMy
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Add quirks flag MODBUS_QUIRK_IGNORE_RTU_SLAVE_CHECK Signed-off-by: SergeyMy <[email protected]>
The Modbus RTU mode currently only allows a single slave, the message is ignored when not from the expected slave. The MODBUS_QUIRK_IGNORE_RTU_SLAVE_CHECK flag allow ignore the Modbus unit identifier (slave) checking, in this way, the RTU slave device can acts as a multi-channels gateway, receive the request messages for different slave from upstream channel, then forward those to the downstream channel in transparent mode. Signed-off-by: Scott Fan <[email protected]>
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The Modbus RTU mode currently only allows a single slave, the message is ignored when not from the expected slave.
The MODBUS_QUIRK_IGNORE_RTU_SLAVE_CHECK flag allow ignore the Modbus unit identifier (slave) checking, in this way, the RTU slave device can acts as a multi-channels gateway, receive the request messages for different slave from upstream channel, then forward those to the downstream channel in transparent mode.