From 5154c803e62b33f15d8d2e200910e301d28d21df Mon Sep 17 00:00:00 2001
From: Konstantinos Kamaropoulos <kamaropoulos@outlook.com>
Date: Fri, 10 Jan 2020 13:39:12 +0200
Subject: [PATCH] feat: Filter out NMEA sentences other than GPRMC

---
 Aiolos_Drone.ino | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Aiolos_Drone.ino b/Aiolos_Drone.ino
index 4316ecb..ef67b1a 100644
--- a/Aiolos_Drone.ino
+++ b/Aiolos_Drone.ino
@@ -16,7 +16,7 @@ void setup() {
   pinMode(MQ8, INPUT);
   pinMode(MQ9, INPUT);
   pinMode(MQ135, INPUT);
-  Serial.begin(9600);
+  Serial.begin(115200);
   Serial3.begin(9600);
 }
 
@@ -53,8 +53,10 @@ void loop() {
     }
   }
 
-  while (Serial3.available() > 0){
-    byte gpsData = Serial3.read();
-    Serial.write(gpsData);
+  if (Serial3.available() > 0){
+    String gpsData = Serial3.readStringUntil('\n');
+    if (gpsData.startsWith("$GPRMC")){
+      Serial.println(gpsData);
+    }
   }
 }