func decodeFreeform(satellite_id string, frame []byte, timestamp int64) (
[]pb.TelemetryDatum, [][]byte) {
stripped := util.StripWhitespace((string)(frame))
data, _ := DecodeMorse(satellite_id, stripped, timestamp)
if data != nil {
return data, nil
}
ax25_header := []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
// Text frame.
data, _ = DecodeFrame(satellite_id, frame, timestamp)
if data != nil {
return data, [][]byte{frame}
}
ax25_frame := append(ax25_header, frame...)
data, _ = DecodeFrame(
satellite_id, ax25_frame, timestamp)
if data != nil {
return data, [][]byte{ax25_frame}
}
// Hex-encoded frame.
hex_frame, err := hex.DecodeString(stripped)
if err == nil {
data, _ = DecodeFrame(satellite_id, hex_frame, timestamp)
if data != nil {
return data, [][]byte{hex_frame}
}
ax25_hex_frame := append(ax25_header, hex_frame...)
data, _ = DecodeFrame(satellite_id, ax25_hex_frame, timestamp)
if data != nil {
return data, [][]byte{ax25_hex_frame}
}
frames := DecodeKISS(hex_frame)
for _, frame := range frames {
d, _ := DecodeFrame(satellite_id, frame, timestamp)
if d != nil {
data = append(data, d...)
}
}
if data != nil {
return data, frames
}
}
return nil, nil
}
func TestDecodeFrame_strand1_all(t *testing.T) {
hexpackets := strings.Split(strand1Packets, "\n")
for _, p := range hexpackets {
stripped := util.StripWhitespace(p)
if stripped == "" {
continue
}
frame, _ := hex.DecodeString(stripped)
data, err := DecodeFrame_strand1(frame, 123)
if err != nil {
t.Errorf("Error for %s: %s", stripped, err)
}
if len(data) == 0 {
t.Errorf("No data decoded for %s", stripped)
}
}
}
func DecodeAausat3Morse(decoded_morse string, timestamp int64) (
data []pb.TelemetryDatum, err error) {
decoded_morse = strings.ToUpper(util.StripWhitespace(decoded_morse)) +
" "
for i := 0; i <= len(decoded_morse)-kAausat3MaxLength; i++ {
d, _ := aausat3Decode(decoded_morse[i:], timestamp)
data = append(data, d...)
if len(d) > 0 {
i += kAausat3MinLength
}
}
if len(data) == 0 {
return nil, errors.New("No valid messages found")
}
return data, nil
}
func DecodeFitsat1Morse(decoded_morse string, timestamp int64) (
data []pb.TelemetryDatum, err error) {
decoded_morse = util.StripWhitespace(decoded_morse)
decoded_morse = strings.ToUpper(decoded_morse)
if decoded_morse == kFitsat1Call {
return nil, nil
}
for i := 0; i < len(decoded_morse)-9; i++ {
d, _ := fitsat1DecodePart(decoded_morse[i:], timestamp)
data = append(data, d...)
if len(d) > 0 {
i += 9
}
}
if len(data) == 0 {
return nil, errors.New("No valid messages found")
}
return data, nil
}
