Control PI Touch Screen with GPIO
Project description
PiTouchScreen
Programmatically control the Raspberry Pi Touch Display
Features
GPIO Control
With a button connected to pin 17:
- Cycle brightness between 50, 100, 150
- Long-press button for 1 second to turn off the screen
pi-touch-screen pi-touch-screen --channel 17 -bl 50 -bl 100 -bl 150 --power-sec 1
Thread-safe
- `BacklightManager` provides thread-safe attribute access and thread-safe sysfs read/writes - Reading or setting values requires owning a lock - Prevents race conditions from threaded callbacksInstall as Service
- Save
pi_touch_screen_service.serviceto$HOME/.config/systemd/user/pi_touch_screen_service.service - Run
systemctl --user edit pi_touch_screen_serviceand modifyExecStartto use your desired parameters - Run
systemctl --user enable pi_touch_screen_serviceto run the service at startup
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