Comments (5)
there is a weird issue where in some cases if you run the waveshare code first, it causes this code to break. can you trying running the code in my repo right after rebooting the pi, and see if it works? good luck!
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(you can try running this one too, I just haven't looked at it in a while and I'm not sure how synced up we are any more)
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I have the 6" HD too and it has worked okay, though I haven't had time to play with it for some time. There were some initial problems where I had a power cable running on top of the flat flex and that seemed to disrupt the operation somehow... not 100% sure though if that actually was the case, but after some reorganizing it just worked.
there is a weird issue where in some cases if you run the waveshare code first, it causes this code to break
If this is the case, maybe there's something that could be improved in the initialization of the display...
from papertty.
Looks like this is the case, indeed. After clean reboot both versions work, after running Waveshare code initialization fails!
from papertty.
glad its working! @joukos , yeah I'm not sure how it could be fixed. it seems that if you use the bcm2835 library to handle the SPI, the kernel no longer can control the SPI (my library talks to SPI thru the kernel now, not sure if this repo has been updated following that change a few months ago). I'm not sure if there's a way to give SPI back to the kernel without rebooting. if anyone knows the answer it would be great!
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Related Issues (20)
- Screen has strange looking streaks HOT 3
- 7in5_V2 unusable slow? HOT 3
- No read access to /dev/vcsa1 - maybe run with sudo HOT 3
- PaperTTY on mac/osx HOT 1
- Updates are received in VNC mode only if other VNC client is connected to server HOT 1
- Optimizing refresh rate on 7.8'' Waveshare e-ink HOT 24
- What's the optimal settings for 6"HD? HOT 7
- Starting Up at Boot HOT 15
- Last known 'good' version of Raspbian OS for PaperTTY - and help in updating the install guide? HOT 24
- PaperTTY on Laptops with an IT8951 controller HOT 9
- Getting error init() got an unexpected keyword argument 'vcom' when trying to run PaperTTY HOT 1
- EPD2in13v4 and moving in line with waveshare reccommendations HOT 6
- Adjusting PaperTTY to work with weAct 2.9 HOT 6
- Is it possible to use it with a 13.3" monochrom e-Paper Display
- 3.7” display support
- Support for EPD7in5v_v2 HOT 2
- Issue with framebuffer display HOT 1
- ModuleNotFoundError when following poetry install HOT 1
- Completely non functional with 2in13V2 and Pi Zero W HOT 5
- Display doesn't update properly unless --invert HOT 2
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