1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
#!/usr/bin/env python3
"""Custom hop controller example for rtl_433's HTTP cmd API."""
# Start rtl_433 (`rtl_433 -F http`), then this script.
# Needs the Requests package to be installed.
import requests
import json
from time import sleep
# You can run rtl_433 and this script on different machines,
# start rtl_433 with `-F http:0.0.0.0`, and change
# to e.g. `HTTP_HOST = "192.168.1.100"` (use your server ip) below.
HTTP_HOST = "127.0.0.1"
HTTP_PORT = 8433
def set_freq(freq):
return send_cmd({'cmd': 'center_frequency', 'val': freq})
def set_rate(rate):
return send_cmd({'cmd': 'sample_rate', 'val': rate})
def send_cmd(params):
url = f'http://{HTTP_HOST}:{HTTP_PORT}/cmd'
headers = {'Accept': 'application/json'}
# You will receive JSON events, one per line terminated with CRLF.
# Use GET
response = requests.get(url, params=params, headers=headers, timeout=70, stream=True)
# or POST
# response = requests.post(url, data=params, headers=headers, timeout=70, stream=True)
print(f'Sending {params} to {url}')
# Answer is lines of JSON
return response.text
def rtl_433_control():
"""Simple timed control of rtl_433 in a loop forever."""
# Loop forever
while True:
try:
# Set first hop
sleep(10)
print(set_freq(433920000))
print(set_rate(250000))
# Set second hop
sleep(10)
print(set_freq(868000000))
print(set_rate(1024000))
except requests.ConnectionError:
print('Connection failed, retrying in 60s...')
sleep(60)
if __name__ == "__main__":
try:
rtl_433_control()
except KeyboardInterrupt:
print('\nExiting.')
pass
|
