rfm9x_send.py

#!/usr/bin/env python3

import time
import requests

import board
import busio
import digitalio

import adafruit_rfm9x

# Define radio parameters.
RADIO_FREQ_MHZ = 868.0  # Frequency of the radio in Mhz. Must match your
                        # module! Can be a value like 915.0, 433.0, etc.

CS = digitalio.DigitalInOut(board.CE1)
RESET = digitalio.DigitalInOut(board.D25)

spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)

rfm9x = adafruit_rfm9x.RFM9x(spi, CS, RESET, RADIO_FREQ_MHZ)

url = "http://172.16.2.107/seconds_phase_left"

while True:

   response = requests.get(url=url)
   green_string = None

   if response.json()["is_green"]:
       green_string = "1"
   else:
       green_string = "0"

   lora_packet = ";".join([
        green_string,
        str("{:.2f}".format(response.json()["seconds_phase_left"])),
        str("{:.0f}".format(response.json()["seconds_phase_total"]))
   ])

   rfm9x.send(bytes(lora_packet,"utf-8"))
   print('Sent: ', lora_packet)
   time.sleep(0.65)