func main() {
p := geospatial.NewPoint()
p.Lat = 24.910
p.Lon = -114.301
p.Alt = 2000
fmt.Printf("point: %#v\n", p)
p2 := geospatial.NewPoint()
p2.Lat = 25.109
p2.Lon = -112.121
p2.Alt = 89
fmt.Printf("point: %#v\n", p2)
d := p.DistanceTo(p2)
fmt.Printf("Distance from p to p2: %v\n", d)
}
func main() {
p := geospatial.NewPoint()
p.Lat = 24.910
p.Lon = -114.301
p.Altitude = 10004
fmt.Printf("point: %#v\n", p)
position := aprs.CreateCompressedPositionReport(p, '/', 'O')
fmt.Printf("Compressed position: %v\n", position)
dp, st, sc, remains, err := aprs.DecodeCompressedPositionReport(position)
fmt.Printf("Decoded compressed position: %+v\n", dp)
fmt.Printf("symtable: %v symcode: %v\n", st, sc)
fmt.Printf("remains: %v\n", remains)
if err != nil {
fmt.Printf("Error: %v\n", err)
}
u_pos, err := aprs.CreateUncompressedPositionReportWithoutTimestamp(p, '/', 'O', true)
if err != nil {
fmt.Printf("Error: %v\n", err)
}
fmt.Printf("Uncompressed position: %v\n", u_pos)
upos_dec, sym_t, sym_c, remains, err := aprs.DecodeUncompressedPositionReportWithoutTimestamp(u_pos)
if err != nil {
fmt.Printf("Error: %v\n", err)
} else {
fmt.Printf("Decoded uncompressed position: %+v\n", upos_dec)
fmt.Printf("symtable: %v symcode: %v\n", sym_t, sym_c)
fmt.Printf("remains: %v\n", remains)
}
upos_time_dec, sym_t, sym_c, remains, err := aprs.DecodeUncompressedPositionReportWithTimestamp("@092345z4903.50N/07201.75W>")
if err != nil {
fmt.Printf("Error: %v\n", err)
} else {
fmt.Printf("Decoded uncompressed position with timestamp: %+v\n", upos_time_dec)
fmt.Printf("symtable: %v symcode: %v\n", sym_t, sym_c)
fmt.Printf("remains: %v\n", remains)
}
}
func main() {
port := flag.String("port", "/dev/ttyUSB0", "Serial port device (defaults to /dev/ttyUSB0)")
flag.Parse()
c := &serial.Config{Name: *port, Baud: 4800}
s, err := serial.OpenPort(c)
if err != nil {
log.Fatal(err)
}
psource := ax25.APRSAddress{
Callsign: "NW5W",
SSID: 7,
}
pdest := ax25.APRSAddress{
Callsign: "APZ001",
SSID: 0,
}
var path []ax25.APRSAddress
path = append(path, ax25.APRSAddress{
Callsign: "WIDE1",
SSID: 1,
})
path = append(path, ax25.APRSAddress{
Callsign: "WIDE2",
SSID: 1,
})
point := geospatial.NewPoint()
point.Lat = 47.262347
point.Lon = -122.46988
point.Alt = 1702
position := aprs.CreateCompressedPosition(point, '/', 'O')
body := fmt.Sprint(position, "GoBalloon Test http://nw5w.com")
a := ax25.APRSPacket{
Source: psource,
Dest: pdest,
Path: path,
Body: body,
}
packet, err := ax25.EncodeAX25Command(a)
if err != nil {
log.Fatalf("Unable to create packet: %v", err)
}
s.Write(packet)
err = s.Close()
if err != nil {
log.Fatalf("Error closing port: %v", err)
}
// Let's decode our own packet to make sure tht it's bueno
buf := bytes.NewReader(packet)
d := ax25.NewDecoder(buf)
msg, err := d.Next()
fmt.Printf("%+v\n", msg)
}