forked from google/periph
/
main.go
88 lines (79 loc) · 1.66 KB
/
main.go
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// Copyright 2016 The Periph Authors. All rights reserved.
// Use of this source code is governed under the Apache License, Version 2.0
// that can be found in the LICENSE file.
// ir reads from an IR receiver via LIRC.
package main
import (
"errors"
"flag"
"fmt"
_ "image/gif"
_ "image/jpeg"
_ "image/png"
"io/ioutil"
"log"
"os"
"os/signal"
"periph.io/x/periph/devices/lirc"
"periph.io/x/periph/host"
)
func mainImpl() error {
verbose := flag.Bool("v", false, "verbose mode")
flag.Parse()
if !*verbose {
log.SetOutput(ioutil.Discard)
}
log.SetFlags(log.Lmicroseconds)
if flag.NArg() != 0 {
return errors.New("unexpected argument, try -help")
}
if _, err := host.Init(); err != nil {
return err
}
i, err := lirc.New()
if err != nil {
return err
}
c := i.Channel()
ctrlC := make(chan os.Signal, 1)
signal.Notify(ctrlC, os.Interrupt)
first := true
defer func() {
_, _ = os.Stdout.Write([]byte("\n"))
}()
for {
select {
case msg, ok := <-c:
if !ok {
return nil
}
if msg.Repeat {
if _, err := os.Stdout.Write([]byte("*")); err != nil {
// Do not return an error on pipe fail, just exit.
return nil
}
} else {
if first {
first = false
} else {
if _, err := os.Stdout.Write([]byte("\n")); err != nil {
// Do not return an error on pipe fail, just exit.
return nil
}
}
if _, err := fmt.Printf("%s %s ", msg.RemoteType, msg.Key); err != nil {
// Do not return an error on pipe fail, just exit.
return nil
}
}
case <-ctrlC:
return nil
}
}
}
func main() {
if err := mainImpl(); err != nil {
fmt.Fprintf(os.Stderr, "ir: %s.\n", err)
os.Exit(1)
}
}