Initial telemetry implementation

src/modules/lcd/lcd.cpp

@@ -31,7 +31,7 @@ void Lcd::print(const char c[]) {
   display_cleared_ = false;
 }
 
-void Lcd::print(double d, int digits) {
+void Lcd::print(float d, int digits) {
   display_->print(d, digits);
   display_cleared_ = false;
 }
@@ -151,9 +151,9 @@ int Lcd::renderDriverPrimary() {
   GpsData gps_data;
   gpsGlobalRead(gps_data);
   
-  double vbat;
+  float vbat;
   vbatGlobalRead(vbat);
-  double teng;
+  float teng;
   tengGlobalRead(teng);
 
   display_->setCursor(0,0);

src/modules/lcd/lcd.h

@@ -53,7 +53,7 @@ private:
   void print(const String &msg);
   void print(char c);
   void print(const char c[]);
-  void print(double d, int digits = 2);
+  void print(float d, int digits = 2);
   void print(unsigned long l, int base = 10);
   void print(long l, int base = 10);
   void print(unsigned int i, int base = 10);