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@chrp
Created August 12, 2013 15:21
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Auto adjust fan speed of graphics card with ATI catalyst driver on Ubuntu.
#!/usr/bin/env ruby
# encoding: utf-8
# first part, get temperature
temp_str = `aticonfig --adapter=0 --od-gettemperature`
temp = temp_str.scan(/Sensor 0: Temperature - (\d+\.\d+) C/)[0][0].to_i
# determine fan speed
thresholds = [ 40, 60, 70, 80, 85 ]
speeds = [ 10, 25, 30, 35, 50 ]
speed = 100 # default speed
thresholds.each_with_index do |threshold, index|
speed = speeds[index] and break if temp < threshold
end
# set speed
`aticonfig --pplib-cmd "set fanspeed 0 #{speed}"`
puts "Temperature: #{temp}°C / Fan speed level: #{speed}%"
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