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peter, 2012-12-28 13:13

LAOS firmware


The Firmware is the code that controls the motor and laser. It is installed on the mainboard. Installation of the firmware on the controller, and configuration of the firmware for your system is described here. To test the hardware, a separate test program is written. Its use is described here.

The firmware uses a simple instruction language that is described here. These instructions are used to instruct the laser to move, cut and mark.

Download compiled versions

The compiled firmware file is here (save to your MBED):

The configuration files are here (download, modify for your machine, and save on MBED as config.txt):

The MBED uses the latest .bin file (timestamp).


These are other version of the firmware that might fix some bugs.

  • Development Firmware V0.4 (Dated 11-aug-2012) Fixes the laser power on problem- [Download] and save to your MBED.

Compiling from source

It is possible to compile the software from source and make a binary image that runs on the mbed.
  1. MBED online compiler (at You need an account on and a Internet connection.
  2. GCC4MBED offline compiler, using GCC. Download at (

You can use GCC4MBED on your platform, or use a linux virtual machine to compile the sources. See:

The compiler (currently) creates two .bin files. (laos.bin and laos-lpc.bin) laos-LPC is (experimental) for the lpcexpresso (not mbed).

Use the following commands to build your bin files in your shell:

git clone

and copy the resulting bin file to your MBED or LPC.