How to enable/disable/check I2C
sudo raspi-config nonint get_i2c
- 1 if the port is disabled
- 0 if the port is enabled
Enabling I2C :
sudo raspi-config nonint do_i2c 0
Disabling I2C :
sudo raspi-config nonint do_i2c 1
Note : nonint means non-interactive
I2C device nodes :
When I2C is enabled on the Raspberry Pi, you will also see a /dev node for it:
ls /dev/i2*
lsmod | grep i2c
Detecting connected devices
sudo i2cdetect -y 1
How to enable/disable/check I2C
sudo raspi-config nonint get_spi
Emable with :
sudo raspi-config nonint do_spi 0