initial gps ttn mapper code

src/components/Blockly/generator/sensebox-sensors.js

@@ -295,4 +295,50 @@ Blockly.Arduino.sensebox_scd30 = function () {
   }
   return [code, Blockly.Arduino.ORDER_ATOMIC];
 
+}
+
+
+/**
+ * GPS Module
+ * 
+ */
+
+Blockly.Arduino.sensebox_gps = function () {
+  var dropdown = this.getFieldValue('dropdown');
+  Blockly.Arduino.libraries_['gps_library'] = '#include "SparkFun_Ublox_Arduino_Library.h"'
+  Blockly.Arduino.libraries_['wire'] = '#include <Wire.h>'
+  Blockly.Arduino.libraries_['library_senseBoxMCU'] = '#include "SenseBoxMCU.h"';
+  Blockly.Arduino.definitions_['GPS'] = 'SFE_UBLOX_GPS myGPS;';
+  Blockly.Arduino.setupCode_['init_gps'] = ` Wire.begin();
+
+  if (myGPS.begin() == false) //Connect to the Ublox module using Wire port
+  {
+    Serial.println(F("Ublox GPS not detected at default I2C address. Please check wiring. Freezing."));
+    while (1);
+  }
+
+  myGPS.setI2COutput(COM_TYPE_UBX); //Set the I2C port to output UBX only (turn off NMEA noise)
+  myGPS.saveConfiguration(); //Save the current settings to flash and BBR`;
+  var code = '';
+  switch (dropdown) {
+    case 'latitude':
+      code = 'myGPS.getLatitude()';
+      break;
+    case 'longitude':
+      code = 'myGPS.getLongitude()';
+      break;
+    case 'altitude':
+      code = 'myGPS.getAltitudeMSL()';
+      break;
+    case 'pDOP':
+      code = 'myGPS.getPDOP()';
+      break;
+    case 'fixType':
+      code = 'myGPS.getFixType()';
+      break;
+    default:
+      code = ''
+  }
+  return [code, Blockly.Arduino.ORDER_ATOMIC];
+
 }