func main() {
var dev *gps.Device
var err error
if dev, err = gps.Open("/dev/ttyAMA0"); err != nil {
log.Panicln("Failed to open GPS device", err)
}
dev.Watch()
f, err := os.OpenFile(*outFile, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
if err != nil {
log.Panicln("Failed to open output file", err)
}
defer f.Close()
conn, _ := net.Dial("udp", fmt.Sprintf("255.255.255.255:%d", *udpPort))
defer conn.Close()
var lastUpdate int64 = 0
for fix := range dev.Fixes {
now := time.Now().Unix()
if now-lastUpdate > *updateFreq {
lastUpdate = now
stanza := fmt.Sprintf("%d;%.8f;%.8f;%.2f;%.2f\n", now-EPOCH, fix.Lat, fix.Lon, fix.Alt, fix.TrackAngle)
f.WriteString(stanza)
conn.Write([]byte(stanza))
}
}
}
func main() {
var dev *gps.Device
var err error
if dev, err = gps.Open("/dev/ttyAMA0"); err != nil {
panic(err)
}
dev.Watch()
for fix := range dev.Fixes {
fmt.Println(fmt.Sprintf("Location: (%.8f,%.8f) Altitude:%.2fm Angle:%.2f", fix.Lat, fix.Lon, fix.Alt, fix.TrackAngle))
}
}