waveform plot on a P1.
RS_Jim
Posts: 1,753
in Propeller 1
I would like to examin the pulses on 3 P1 pins and display them in a plot fashion like you might see printed on a data sheet. The signals are <1MHz. I could use a VGA display to display the plots. Any ideas?
RS_jim
Comments
If you don't mind looking from the outside you could use an inexpensive logic analyzer and a nice piece of freeware called PulseView. This is a capture that I used in my class on coding SPI on the P2.
jon,
thanks for the feedback. I was hopeing to find something that would run native on the P1.
Jim
There's SPLAT that runs on Tachyon on uses the ANSI terminal. Now that I have discovered that I can use UTF-8 codes, I think I could do even better.
I found a precompiled binary that should work.
Thanks Peter,
I will check it out. I have eye surgery tomorrow, so will be off work for a few days. That will give me some time to play.
jim
Ok,
Succesful cataract surgery behind me. I got the SPLAT bin burned to an Eprom on a QS board. Where do I go from here? Did not find anything in Super Bob's word glossary. Did not get time to play while I was off for the surgery as they eye came back more slowly than I thought it would. I guess that is what happens when you get older! (just passed 78) I am wanting to examin some SPI code that is going our to an AMS5040 rotary encoder chip. Maybe I need to rewrite the routine in forth.
Jim
If you can stand to see only two channels at a time, try SpinScope:
https://forums.parallax.com/discussion/157982/spinscope-a-virtual-oscilloscope-for-the-propeller/p1
-Phil