I am developing firmware for communication gateway. Gateway boards communicate with different boards on RS232 or RS485 serial port. I want to simulate dummy boards on PC ( OS - Windows 7 ) Basic GUI framework will be to set various parameter of slave board like

  1. Device ID
  2. Communication speed
  3. Switching error detection ON/OFF
  4. Polling frequency.

My firmware is written in C and C++. Most hardware drivers will be COM port driver of PC.

I need to know a FREE / Open source GUI framework which can do this. I want to re use my slave board firmware on PC.

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