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Setup the Control Module Firmware

Feb 07, 20262 min read

1. Install Arduino and Teensyduino

On Linux

Go to https://www.arduino.cc/en/software/ and download the Arduino IDE AppImage

(Optional but recommended) In the Home directory, create an Applications folder and copy the Arduino IDE AppImage into this folder.

Make the AppImage executable and run it:

chmod a+x arduino-ide_xxx.AppImage

Go to https://www.pjrc.com/teensy/td_download.html and follow the instructions there to install Teensyduino.

TODO: Other OS

2. Load the Firmware

  1. Make sure the rack containing the control module is powered and running.
  2. Connect the control module via USB to the computer
  3. Connect the control module via Ethernet to the local network.
  4. Clone the git repository containing the firmware from https://github.com/lautaroleon/dbayfirmware
  5. If you want to use the MAC address (e.g. to let the network assign a fixed IP to the control module), it is a good idea to make sure it is unique in your network. If it is not, then you need to change it in this step. Go to the line starting with byte mac[] = and change the MAC address there. Each element in the array has to be a two-digit hexadecimal number (e.g 0x1A). Example: If you want to use the mac address 11:22:33:44:55:6F, write byte mac[] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x6F};.
  6. In the Arduino IDE, in the taskbar, select the board Teensy 4.1. Open the file dbay_ctrlFW/dbay_ctrlFW.ino found in the cloned firmware repository. Then click Upload in the Arduino IDE’s task bar. During the upload, you might be required to press the button on the Teensy.
  7. If there aren’t any errors in the Output log in the Arduino IDE, open Tools>Serial Monitor in the Arduino IDE. Wait for about 1 min and send the command help. If the firmware was loaded correctly, the message should start with -Available commands:. If the ethernet connection could be established, the answer to the help command states the IP address. It has to be different from 0.0.0.0. If it is not, see The IP address is 0.0.0.0.

Troubleshooting

The IP address is 0.0.0.0

This happens when there was no IP assigned to the Control Module. This can happen if the Control Module is directly connected to a computer instead of a network. Please connect the Control Module to the network and send the command resetvia Serial Monitor. Check the IP again after the reset using the command help.

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