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Firm- and software for a USB controllable VFD.
6 Commits 2 Branches 0 Tags 549 KiB
Assembly 49.5%
C 46.5%
Makefile 3.6%
Shell 0.3%
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README.MD

USB VFD

A USB enabled vacuum fluorencent display.

Hardware

The board is based around the Samsung HCS-12SS59T which can be ordered at Pollin (at the time of writing this): https://www.pollin.de/p/vakuum-fluoreszenzdisplay-samsung-hcs-12ss59t-12x1-121466

Schematic

Bootloader

A USBASP based bootloader for the board. To enter it, push the button during powerup.

Firmware

An AVR-CDC based firmware providing a serial terminal (/dev/ttyACMx) with the following commands:

  • Set text: t<12b ASCII>
  • Set raw: T<12b RAW>
  • Set brightness: b<0\15> / B
  • Shift text: s...
  • Set character RAM: C<0-15><2b character>
  • Reset LCD: r
  • Reset board: R

Each command needs to be followed by a carriage return and / or a newline.

License

All code is released under the GNU GPL Version 2. See LICENSE.TXT for more info.