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VM205
Hacking the Velleman Raspberry Pi VM205 Oscilloscope Lazarus code to better suit my needs/environment
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VM205
Hacking the Velleman Raspberry Pi VM205 Oscilloscope Lazarus code to better suit my needs/environment
- Raspberry Pi 2
- 16GB SD Card (will migrate to a Sd-card-boot-to-HDD-system in time)
- Velleman VM205 Oscilloscope board (v1.2)
- Lilliput FA1011-NP/C 10.1" 1024x600 HDMI/USB touch screen (that I had kicking around)
- Sparkfun ATX Breakout board v1.1
- Lazarus v1.7
Part of the project will include boxing all of this up so that it's in a self-contained box with a PC ATX power supply, a Sparkfun ATX Breakout board and a few bits and pieces such that everything is powered from a single mains plug. I'd like to have a sturdy box with the screen on top, a BNC socket for a probe, some access to the logic analyser pins and access to the Sparkfun breakout banana sockets (so the box also acts as a bench power supply). No visible wires for the Pi or the display etc.
Top level to-do
- set up the ATX breakout - DONE
- re-arrange screen to best fit a 1024x600 touch screen (move most controls over to the right)
- option to save current settings upon exit (and auto-reload upon next startup)
- capture current trace and 'freeze it'
- save frozen trace as an image
- save period of time as an animation/movie file of some sort?
- save period of time as an array of values (possibly XML or CSV)