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When trying out the basic example code (adapted for a raspberry pi), the program hangs at the call to `init`. Looking further, it seems every call to `send_command` hangs in the while loop preceded by…
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The current code uses Adafruit_SPIDevice::write() which on everything except EPS32 ends up writing one byte at a time to the SPI bus. This makes it very slow, I benchmarked it at 200 ms on an Arduino …
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Hi!
When building fbtft using your repository to get ILI9488 support on my Raspberry Pi, I get the following error:
```
drivers/staging/fbtft/fbtft-core.c: In function ‘fbtft_backlight_update_s…
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Hello, I am using the pigpio C interface to drive an OLED, and cannot send transfers of over 128 bytes using the `spi_write` command. Apart from this `spi_write` works, as well as all other GPIO pin u…
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Hello, sorry I am not sure if I am posting this in the right spot as I am a first time user here. We have used your code to program an Arduino mega for this controller, and all worked great, thanks b…
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When running pi_logo.py from the examples I get the device info but the screen show for 5/6 static noise and only showing from the top a part (1/6) of the raspberry pi logo scrolling right to left?
I…
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Using latest version of Raspbian Buster (2019-09-26-raspbian-buster-lite), the documented process for installing the dependencies fails with -
Could not find a version that satisfies the requiremen…
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TKoma updated
9 years ago
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Consider the following use cases:
**Scenario A**: a mod wants to know when the screen has been updated, whether by script, menu, or otherwise, and also wants to read an up-to-date Cairo surface or …
Dewb updated
10 months ago
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Is it possible to do a normal SPI write before starting a DMA transfer?
I am trying to use DMA to write the frame buffer to an OLED display (SSD1322), but I need to write a couple of commands to th…