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I have got it working this evening, the code I used is here, it's basically the pybytes getting started example with a couple of lines added to tell it to use LTE. Add to pybytes as a "wifi" device and update to the latest pybytes firmware using the pycom firmware uploader. Firmware version I'm using is: 1.18.2.r6.
# Import what is necessary to create a thread
import _thread
from time import sleep
# Increment index used to scan each point from vector sensors_data
def inc(index, vector):
if index < len(vector)-1:
return index+1
else:
return 0
# Define your thread's behaviour, here it's a loop sending sensors data every 5 seconds
def send_env_data():
idx = 0
sensors_data = [0, -0.2, -0.5, -0.7, -0.8, -0.9, -0.9, -0.9, -0.8, -0.6, -0.4, -0.2, 0, 0.3, 0.5, 0.7, 0.8, 0.9, 0.9, 0.9, 0.8, 0.6, 0.4, 0.1]
while True:
# send one element from array `sensors_data` as signal 1
pybytes.send_signal(1, sensors_data[idx])
idx = inc(idx, sensors_data)
sleep(5)
pybytes.set_config('lte', { "band": 20, "apn": "ep.inetd.gdsp", "reset": True})
pybytes.set_config('network_preferences', ["lte"])
print(pybytes.get_config)
import pycom
pycom.nvs_set('pybytes_debug', 1)
# Start your thread
_thread.start_new_thread(send_env_data, ())
There's a couple of extra lines of debug which can probably be removed.
Once uploaded, I saw the connection in the pymakr window:
and in pybytes:
