i2c at startup

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crashcheck
Posts: 1
Joined: Sun Mar 28, 2021 3:18 am

i2c at startup

Post by crashcheck »

Hi guys,

i really love this project.
i am using an instance of dietpi for my application using some i2c OLED display.
Is it possible to show some bootscreen animation on the display during boot process?
i was thinking about a systemd service which will kick in in the beginning and will be killed, when the real application gets started.
what is the earliest possible moment in systemd to talk to i2c devices? is there another way beside systemd?
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Joulinar
Posts: 4249
Joined: Sat Nov 16, 2019 12:49 am

Re: i2c at startup

Post by Joulinar »

hi,

I guess you are looking for something like this:
Pls let us know if a solution is working. This could help others if they hit by similar situation. Your DietPi Team
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