Lora OTAA End Device for RPI and Dragino GPS HAT

This Software is Lora OTAA Eed Device sample.

Tested only RPI3B+, Dragino GPS HAT (SX1276) and TTN.

How to build:

Step1: SPI needs to be enabled on the Raspberry Pi
$ sudo raspi-config
Step2: Install wiringPi with a command like,
$ sudo apt-get install wiringPi
Step3: If send GPS data, install libgps from https://github.com/tsuyoshiohashi/libgps
Configire serial port name if necessary.
Step4: UPDATE enddevice.h according to your environment.
DEVEUI,APPEUI,APPKEY
frequency,txpower
whether to use GPS module. If not use, dummy GPS data will be used.
Step5: $ make
Step6: $ ./enddevice

Feature:

This implementation is for personal experiments of a OTAA LoRaWAN enddevice
-Activate by OTAA
--For receiving Join_Accept, send empty frame after Join_Req.
-GPS data is sent with cayenne-lpp foramat.
-TX/RX work like Class C (RX2 only)
-Downlink data available
--Display only, tested w/ Bidirectional_Single_ch_Pkt_Fwd only

License:

The source files in this repository are made available under the EclipsePublic License v1.0, except for the aes implementation, that has been copied from the lmic_pi https://github.com/ernstdevreede/lmic_pi, cayenne_lpp has been copied from the cayenne_lpp https://github.com/aabadie/cayenne-lpp