gounthar Posted April 4, 2023 Posted April 4, 2023 Hi there 👋 I'm using a NanoPi Duo2 with Armbian 21.08.1 Bullseye and Linux jenkins-agent-arm32 5.15.93-sunxi #23.02.2 SMP Fri Feb 17 23:49:46 UTC 2023 armv7l GNU/Linux I want to use an SPI screen on it, but I don't know which library to use to handle the GPIO... I've tested quite a few and none of them seem to work. I have enabled SPI and I2C in `armbian-config` and `sudo i2cdetect -y 0` works (even if nothing is found), but what is the next step? sudo i2cdetect -y 0 [sudo] password for poddingue: 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- -- poddingue@jenkins-agent-arm32:~$ ls /dev/i2c* /dev/i2c-0 What library/tool should I install to get the `gpio` command for example? Thanks. 0 Quote
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