from network import LoRa
import time
import pycom

pycom.heartbeat(False)
pycom.rgbled(0x7f0000) #red
lora = LoRa()
lora.init(mode=LoRa.LORAWAN, frequency=923000000, sf=7, public=1)

app_eui = binascii.unhexlify('1234567890ABCDEF')
app_key = binascii.unhexlify('1234567890ABCDEF1234567890ABCDEF')

lora.join(activation=LoRa.OTAA, auth=(app_eui, app_key), timeout=0)

while not lora.has_joined():
    pycom.rgbled(0x7f7f00) #yellow
    time.sleep(2.5)
    print('Trying to join TTN Network!')
    pass

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