Example Python Script to send Weather Station data to QO-100 HS Modem

weather_ext.py

# external weather application example for hsmodem
# tom - zr6tg - 2022/10/23

import socket
import time
import random

while True:

    '''
      read data from weather station, using random values only as an example
    '''

    ###########################################

    temperature = random.randint(20,30);
    humidity = random.randint(50,90);
    windspeed = random.randint(1,5);
    winddirection = random.randint(1,4)

    ###########################################

    ext_message = []

    extDataID = 0x7743fa9f

    # special id for all messages
    ext_message = bytearray(extDataID.to_bytes(4, byteorder='big'))

    # special message type 
    ext_message.append(0x19)

    # message data from weather station
    ext_message.append(temperature)
    ext_message.append(humidity)
    ext_message.append(windspeed)
    ext_message.append(winddirection)

    # send data to local hsmodem
    UDP_IP = "127.0.0.1"
    UDP_PORT = 40135

    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # UDP
    sock.sendto(ext_message, (UDP_IP, UDP_PORT))

    # lets wait a second before sending more data
    time.sleep(1)