RdgBargraphCommunication

An example showing how to connect and communicate with a Radwag bargraph via RS232 using Json protocol.

Technology

Project was written in Net Framework v4.8 with WPF, Project using System.Text.Json Version=7.0.0.0 liblary.

Working description

After entering the serial port name, you can manage the bargraph via json protocol.

Command structure

• Content - object with all settings necessary to manage bargraph device.
  • Address - Address of device (default 255)
  • IsRequest -
  • Power - power of luminous segments
  • Red - a table containing the states of individual bargraph (Red)segments
  • Green - a table containing the states of individual bargraph (Green)segments
• Crc - 8bit CRC

Commands

• Set all red segments light on with power of light 70%

{"Content": {"Address": 255, "IsRequest": true, "Power":70, "Red": [1, 1, 1, 1, 1, 1, 1, 1, 1], "Green": [0, 0, 0, 0, 0, 0, 0, 0, 0]}, "Crc": "bf"}

• Set all green segments light on with power of light 70%

{"Content": {"Address": 255, "IsRequest": true, "Power":70, "Red": [0, 0, 0, 0, 0, 0, 0, 0, 0], "Green": [1, 1, 1, 1, 1, 1, 1, 1, 1]}, "Crc": "bf"}

• Set all segments light on with power of light 100%

{"Content": {"Address": 255, "IsRequest": true, "Power":100, "Red": [1, 1, 1, 1, 1, 1, 1, 1, 1], "Green": [1, 1, 1, 1, 1, 1, 1, 1, 1]}, "Crc": "bf"}

• Set all segments light off with power of light 0%

{"Content": {"Address": 255, "IsRequest": true, "Power":0, "Red": [0, 0, 0, 0, 0, 0, 0, 0, 0], "Green": [0, 0, 0, 0, 0, 0, 0, 0, 0]}, "Crc": "bf"}

Installation

1. Clone or download this repository.
2. Open project in Visual Studio.
3. Build and run.