Does Matrix Portal M4 support panels with FM6126A chip?
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- dougiejones
- Posts: 10
- Joined: Fri Sep 16, 2022 1:44 pm
Does Matrix Portal M4 support panels with FM6126A chip?
I have a couple of panels that run fine with the SmartLed shield (https://www.adafruit.com/product/1902), but both refuse to work with MatrixPortal. Any way to make them work? Thanks!
- dastels
- Posts: 15656
- Joined: Tue Oct 20, 2015 3:22 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
Both boards work with HUB75 panels. If they are HUB75 panels, they should work with the MatrixPortal.
Please explain what you mean by "refuse to work".
Dave
Please explain what you mean by "refuse to work".
Dave
- dougiejones
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- Joined: Fri Sep 16, 2022 1:44 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
Heh. "refuse to work" == "the program is running, but the panel is completely blank". I suspect the FM6126 chip is not supported by rgbmatrix/protomatter.
- dastels
- Posts: 15656
- Joined: Tue Oct 20, 2015 3:22 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
Perhaps not. What panels do you have?
Dave
Dave
- dougiejones
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- Joined: Fri Sep 16, 2022 1:44 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
It says: P3-6432-2121-16S-D1.0 got them from eBay a couple of years ago.
- dougiejones
- Posts: 10
- Joined: Fri Sep 16, 2022 1:44 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
For what it's worth, SmartMatrix library (which works) has this:
Code: Select all
// experimental FM6126A support on ESP32 without external latch: make LAT pulse 3x clocks wide, matching the FM6126A "DATA_LATCH" command (and not the "RESET_OEN" command)
if(optionFlags & SMARTMATRIX_OPTIONS_FM6126A_RESET_AT_START) {
if((refreshBufferPosition) == PIXELS_PER_LATCH-2) v|=BIT_LAT;
if((refreshBufferPosition) == PIXELS_PER_LATCH-3) v|=BIT_LAT;
}
- dastels
- Posts: 15656
- Joined: Tue Oct 20, 2015 3:22 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
OK, so they are essentially an unknown. Have you tried getting the SmartMatrix library working on the MatrixPortal?
Dave
Dave
- dougiejones
- Posts: 10
- Joined: Fri Sep 16, 2022 1:44 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
Regrettably, no. SmatrtMatrix seems to support only Teensy and ESP32.
- adafruit2
- Posts: 22146
- Joined: Fri Mar 11, 2005 7:36 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
yeah we dont own or sell any of those chip panels - if you're able to add FM6126 to protomatter we'd gladly take a pull request!
- dougiejones
- Posts: 10
- Joined: Fri Sep 16, 2022 1:44 pm
Re: Does Matrix Portal M4 support panels with FM6126A chip?
Ok. I got it working. Not sure if anyone needs this, but here: https://github.com/adafruit/Adafruit_Pr ... er/pull/52
- adafruit2
- Posts: 22146
- Joined: Fri Mar 11, 2005 7:36 pm
Please be positive and constructive with your questions and comments.