Fixed left padding of the decimal part of the numbers.

firmware/application/apps/ui_adsb_rx.cpp

@@ -250,10 +250,10 @@ void ADSBRxView::on_frame(const ADSBFrameMessage * message) {
 					entry.set_info_string(str_info);
 					logentry+=log_info + " ";
 
+					// we only want to update the details view if the frame
+					// we received has the same ICAO address, i.e. belongs to
+					// the same aircraft:
 					if(send_updates && details_view->get_current_entry().ICAO_address == ICAO_address) {
-						// we only want to update the details view if the frame
-						// we received has the same ICAO address, i.e. belongs to
-						// the same aircraft:
 						details_view->update(entry);
 					}
 				}
@@ -263,8 +263,8 @@ void ADSBRxView::on_frame(const ADSBFrameMessage * message) {
 							" Hdg:" + to_string_dec_uint(entry.velo.heading) +
 							" Spd: "+ to_string_dec_int(entry.velo.speed);
 
+				// same here:
 				if (send_updates && details_view->get_current_entry().ICAO_address == ICAO_address) {
-					// same here:
 					details_view->update(entry);
 				}
 			}

firmware/application/string_format.cpp

@@ -124,7 +124,7 @@ std::string to_string_decimal(float decimal, int8_t precision) {
 		fractional_part = -fractional_part;
 	}
 
-	result = to_string_dec_int(integer_part) + "." + to_string_dec_uint(fractional_part, precision);
+	result = to_string_dec_int(integer_part) + "." + to_string_dec_uint(fractional_part, precision, '0');
 
 	return result;
 }

firmware/common/adsb.cpp

@@ -160,7 +160,9 @@ int cpr_NL_approx(float lat) {
 int cpr_NL(float lat) {
 	// TODO prove that the approximate function is good
 	// enough for the precision we need. Uncomment if
-	// that is true:
+	// that is true. No performance penalty was noticed
+	// from testing, but if you find it might be an issue,
+	// switch to cpr_NL_approx() instead:
 
 	//return cpr_NL_approx(lat);