beta
				
			
			
		
	ExternGnss
Display smartphone GNSS data and external GNSS from a serial module via OTG. Show distance between the both fixes.
Used Libs
usb-serial-for-android as the OTG serial driver.
External GNSS module
For testing a Ublox NEO 8 was used with a FTDI FT232R. Just connect the TX/RX pairs and select 5V for the module.
Tip for USB-free ADB connection
- connect the device via USB
 - set the adb server to network debugging: 
adb tcpip 5555 - get the device IP address: 
adb shell ip addr show wlan0 - connecy the device via network: 
adb connect ip-address-of-device:5555 - verify the network connection: 
adb devices - unplug the USB cable from device
 - the device should still be attached via network to adb
 
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