modbus FreeModbus demo example

This is a port of the FreeModbus Linux demo. It derives from the demos/LINUX directory of the FreeModBus version 1.5.0 (June 6, 2010) that can be downloaded in its entirety from http://developer.berlios.de/project/showfiles.php?group_id=6120.

  • CONFIG_EXAMPLES_MODBUS_PORT, Default 0 (for /dev/ttyS0).

  • CONFIG_EXAMPLES_MODBUS_BAUD, Default B``38400``.

  • CONFIG_EXAMPLES_MODBUS_PARITY, Default MB_PAR_EVEN.

  • CONFIG_EXAMPLES_MODBUS_REG_INPUT_START, Default 1000.

  • CONFIG_EXAMPLES_MODBUS_REG_INPUT_NREGS, Default 4.

  • CONFIG_EXAMPLES_MODBUS_REG_HOLDING_START, Default 2000.

  • CONFIG_EXAMPLES_MODBUS_REG_HOLDING_NREGS, Default 130.

The FreeModBus library resides at apps/modbus. See modbus FreeModBus port for additional configuration information.