changed serial read behavior

cmd/server/server.go

@@ -8,7 +8,7 @@ import (
 const (
 	TCP_PORT    = ":3010"
 	HTTP_PORT   = ":3011"
-	SERIAL_PORT = "COM4"
+	SERIAL_PORT = "/dev/tty.usbmodem14201"
 )
 
 func main() {

core/collectors.go

@@ -75,6 +75,7 @@ func SerialCollector(proc Processor, serialPort string) {
 	if err != nil {
 		log.Fatalln(err.Error())
 	}
+	defer port.Close()
 
 	decoder := ublox.NewDecoder(port)
 
@@ -84,8 +85,8 @@ func SerialCollector(proc Processor, serialPort string) {
 			if err.Error() == "NMEA not implemented" {
 				continue
 			}
-			log.Println(err)
-			continue
+			log.Println("serial read err:", err)
+			break
 		}
 		sd, err := ConvertUbxToSensorData(meas)
 		if err != nil {