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Use as main screen #37
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Hello What is main screen? /dev/fb0 looks like a Frame Buffer Device. Frame Buffer Devive and Parallel TFT have completely different resolutions. |
If you select the wrong LCD driver, it will not work properly. I have purchased more than 30 TFTs in the past, but only one correct piece of information. The information provided by sellers on Ebay or AliExpress is largely incorrect. http://domoticx.com/arduino-shield-2-4-tft-lcd-touch/ You can use this to find out your driver. https://github.com/prenticedavid/MCUFRIEND_kbv/tree/master/examples/LCD_ID_readreg Here is my collection. https://github.com/nopnop2002/esp-idf-parallel-tft/tree/main/lcd_id |
ILI9486 has a different initialization code. https://github.com/nopnop2002/esp-idf-parallel-tft/blob/main/components/tft_library/ili9486.c |
You need to specify the driver as an argument to make. |
make hogehoge Please read the README. |
Please read the README. |
This is not my repo. This is out topic. |
This is not a bug in this repo. Please search on the internet. |
No It seem os problem |
OS problems can only be solved by the Raspberry Foundation |
It may work if you use an old OS. |
If so, you have no solution. |
I do not understand the meaning. Do you want to use framebuffer Or do you want to use this library? This library has nothing to do with the framebuffer. |
If you want to use a framebuffer, this library doesn't help at all. This library doesn't use the framebuffer feature at all. And I'm not familiar with framebuffers. |
The frame buffer is a function of the OS, not a library. You need to understand what a framebuffer is. |
You can find it with the following keywords flexfb alternative |
Here is the source. https://github.com/notro/fbtft/blob/master/flexfb.c You can find the problem. |
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