85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
package main
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import (
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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argonFan "git.sungo.io/sungo/argon/fan"
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"git.kemonine.info/PiFrame/utils"
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)
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const (
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BUS = 1
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ADDRESS = 0x1a
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)
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const (
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POLL_INTERVAL = "30s"
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SPEED_TWENTY_FIVE_PERCENT_TEMP = 45.00
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SPEED_FIFTY_PERCENT_TEMP = 50.00
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SPEED_SEVENTY_FIVE_PERCENT_TEMP = 52.00
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SPEED_FULL_TEMP = 55.00
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)
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func main() {
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// Setup fan and bail if we can't see it
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fan, err := argonFan.New(ADDRESS, BUS)
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if err != nil {
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log.Fatalf("Error working with fan : %s", err)
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}
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// Safe exit
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defer fan.SafeClose()
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sigc := make(chan os.Signal, 1)
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signal.Notify(
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sigc,
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syscall.SIGHUP,
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syscall.SIGINT,
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syscall.SIGTERM,
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syscall.SIGQUIT,
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)
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go func() {
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<-sigc
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fan.SafeClose()
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os.Exit(1)
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}()
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// Control fan speed based on temps via a ticker / timeout
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pollInterval, err := time.ParseDuration(POLL_INTERVAL)
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if err != nil {
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log.Fatalf("Error parsing interval duration : %s", err)
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}
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ticker := time.NewTicker(pollInterval)
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for range ticker.C {
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cpuTemp := utils.GetCPUTemp()
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gpuTemp := utils.GetGPUTemp()
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if cpuTemp >= SPEED_FULL_TEMP || gpuTemp >= SPEED_FULL_TEMP {
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fan.SetSpeed(100)
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continue
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}
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if cpuTemp >= SPEED_SEVENTY_FIVE_PERCENT_TEMP || gpuTemp >= SPEED_SEVENTY_FIVE_PERCENT_TEMP {
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fan.SetSpeed(75)
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continue
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}
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if cpuTemp >= SPEED_FIFTY_PERCENT_TEMP || gpuTemp >= SPEED_FIFTY_PERCENT_TEMP {
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fan.SetSpeed(50)
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continue
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}
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if cpuTemp >= SPEED_TWENTY_FIVE_PERCENT_TEMP || gpuTemp >= SPEED_TWENTY_FIVE_PERCENT_TEMP {
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fan.SetSpeed(25)
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continue
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}
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if cpuTemp < SPEED_TWENTY_FIVE_PERCENT_TEMP || gpuTemp < SPEED_TWENTY_FIVE_PERCENT_TEMP {
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fan.SetSpeed(10)
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continue
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}
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// We should never get here but...
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fan.SetSpeed(100)
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}
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}
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