func main() {
pinnr := flag.Int("pin", -1, "gpio pin number of LED")
flag.Parse()
if *pinnr < 0 {
fmt.Println("Please specify pin which LED is on! Be careful!")
os.Exit(1)
}
panicIf(embd.InitGPIO())
defer embd.CloseGPIO()
l := led.New(*pinnr)
if flag.NArg() <= 0 {
fmt.Println("Blinking Heartbeat1000 pattern till you quit...")
l.Blink(led.Heartbeat1000...)
} else {
pattern := make([]time.Duration, flag.NArg())
for i, s := range flag.Args() {
d, err := time.ParseDuration(s)
if err != nil {
fmt.Println("Error parsing duration:", err)
os.Exit(1)
}
pattern[i] = d
}
fmt.Printf("Blinking your pattern %v till you quit...\n", pattern)
l.Blink(pattern...)
}
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
<-c
fmt.Println("\nBye-bye.")
go func() {
// This we do in case l.Stop() doesn't work.
// It's a way to force quit.
<-c
os.Exit(1)
}()
l.Stop()
}
It will also store any measurements in XDG_DATA_HOME/pimon/th.csv.
`,
Run: func(cmd *cobra.Command, args []string) {
Conf.Assert()
exitIf(pimonLock())
defer pimonUnlock()
exitIf(embd.InitGPIO())
defer embd.CloseGPIO()
done := make(chan struct{})
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
nl := &WarningLED{led.New(Conf.PinWarningLED), guitar.Low}
csv, err := NewCSVPersister(xdg.UserData(databaseSuffix))
if err != nil {
log.Error("error persisting: ", err)
return
}
m, err := NewMonitor(csv, 0.1)
if err != nil {
log.Error("error reading persistent file: ", err)
return
}
g := guitar.Larrivee
go Serve(Conf.Listen, m)
go WatchSensor(Conf.PinSensor, done, func(x Measurement) {
m.Update(x)