Support legacy baud

main.go

@@ -273,6 +273,7 @@ func treatLine(line []byte) (key string, horodate *time.Time, data []byte, err e
 }
 
 func main() {
+	var legacyMode = flag.Bool("legacy-mode", false, "Assume teleinformation in legacy mode")
 	var influxScheme = flag.String("influx-scheme", "http", "Scheme to use to contact InfluxDB")
 	var influxHost = flag.String("influx-host", "localhost", "Host where lives InfluxDB")
 	var influxPort = flag.Uint("influx-port", 8086, "Port where InfluxDB is accessible")
@@ -287,9 +288,14 @@ func main() {
 		return
 	}
 
+	serialSpeed := 9600
+	if *legacyMode {
+		serialSpeed = 1200
+	}
+
 	config := &serial.Config{
 		Name:     flag.Args()[0],
-		Baud:     9600,
+		Baud:     serialSpeed,
 		Size:     7,
 		Parity:   serial.ParityNone,
 		StopBits: 1,