Kontron KTT20-pITX - Manual (Page 47)

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KTT20/pITX Software Guide
10.4.2 Temperatures
The board provides two temperatures: CPU (temp2) and sensor onchip (temp1). For temperature display in
°C divide the returned values by 1000.
’ Get the sensor onchip temperature:
cat /sys/class/hwmon/hwmon0/device/temp1_input
’ Get the CPU temperature:
cat /sys/class/hwmon/hwmon0/device/temp2_input
10.4.3 Backlight
The backlight functionality is only available if you have activated the LCD panel support in U-Boot.
’ Get the brightness value:
cat /sys/class/backlight/pwm-backlight/brightness
’ Set a new brightness value (range: 0 to 255):
echo >/sys/class/backlight/pwm-backlight/brightness
Example:
echo 64 >/sys/class/backlight/pwm-backlight/brightness
10.4.4 Bootcounter
It can be useful to read the bootcounter.
’ Get the bootcounter value:
cat /sys/bus/i2c/devices/2-0050/bootcounter