LoPy - The Things Network Australia

lora_join.py

from network import LoRa
import time
import binascii
import pycom

pycom.heartbeat(False) #needs to be disabled for LED functions to work
pycom.rgbled(0x7f0000) #red

#Set AppEUI and AppKey - use your values from the device settings --> https://console.thethingsnetwork.org/
app_eui = binascii.unhexlify('1234567890ABCDEF')
app_key = binascii.unhexlify('1234567890ABCDEF1234567890ABCDEF')

lora = LoRa(mode=LoRa.LORAWAN, public=1,  adr=0, tx_retries=0)

# Remove default channels
for index in range(0, 72):
    lora.remove_channel(index)

# Set  AU ISM 915 channel plan for TTN Australia
for index in range(8, 15):
    lora.add_channel(index, frequency=915200000+index*200000, dr_min=0, dr_max=3)

lora.add_channel(65, frequency=917500000,  dr_min=4,  dr_max=4)

for index in range(0, 7):
    lora.add_channel(index, frequency=923300000+index*600000, dr_min=0, dr_max=3)

#Join TTN Network via OTAA
lora.join(activation=LoRa.OTAA, auth=(app_eui, app_key), timeout=0)

# wait until the module has joined the network
while not lora.has_joined():
    pycom.rgbled(0x7f7f00) #yellow
    time.sleep(5)
    print('Trying to join TTN Network!')
    pass

print('Network joined!')
pycom.rgbled(0x007f00) #green