Firm- and software for a USB controllable VFD.

Markus Koch 3328ee7871 scripts: Add a slightly better version of the cpu load monitor 1 year ago
bootloader abcc4446d9 Add bootloader 1 year ago
firmware 3c25409dfa Add support for progress bars 1 year ago
hardware 127ef0e646 Add photo 1 year ago
scripts 3328ee7871 scripts: Add a slightly better version of the cpu load monitor 1 year ago
.gitmodules 1de8c24675 Add firmware 1 year ago
LICENSE.TXT 754333b140 Add documentation 1 year ago
README.MD 4382f2f65a Add documentation for the progress bar commands 1 year ago

README.MD

USB VFD

A USB enabled vacuum fluorencent display. Photo

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<RAW>
  • Shift text: s<ASCII>...
  • Set character RAM: C<0-15><2b character>
  • Reset LCD: r
  • Reset board: R
  • Enable progress bar mode: xx
  • Set progress bar: x<0-60> <0-60> / X<2b progress>

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.