Simplest half-duplex serial over Pycom LoRa

README.md

Dead simple serial-over-LoRa pipe using Pycom modules.

Note that this example is only half-duplex. You will need to implement some kind of flow control / media access control to be able to use it like a full duplex pipe.

boot.py

import machine

machine.main('main.py')

main.py

import select
import socket

from machine import UART
from network import LoRa

uart = UART(0, baudrate=115200)

lora_card = LoRa(mode=LoRa.LORA, region=LoRa.EU868)

lora = socket.socket(socket.AF_LORA, socket.SOCK_RAW)
lora.setblocking(True)

ios = [uart, lora]

while True:
    readable, _, _ = select.select(ios, [], [])
    if lora in readable:
        uart.write(lora.recv(128))
    if uart in readable:
        lora.send(uart.read(128))