Created
January 26, 2020 06:55
-
-
Save patrickxia/4e3239a2a997c407dd568fe2ef1974f4 to your computer and use it in GitHub Desktop.
door-open-v2.py
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import http.server | |
import socketserver | |
import RPi.GPIO as GPIO | |
import time | |
PORT = 31234 | |
chan = 7 | |
monitor = 14 | |
doSleep = False | |
uuid = 'still-secret' | |
GPIO.setmode(GPIO.BCM) | |
GPIO.setup(chan, GPIO.OUT) | |
GPIO.output(chan, GPIO.LOW) | |
GPIO.setup(monitor, GPIO.IN, pull_up_down=GPIO.PUD_UP) | |
class MyHandler(http.server.SimpleHTTPRequestHandler): | |
def do_HEAD(self): | |
self.send_response(200) | |
self.send_header("Content-Type", "application/json") | |
self.end_headers() | |
def do_GET(self): | |
if GPIO.input(monitor) != 1: | |
print("Door not in expected state -- possible wedged relay") | |
self.send_response(503) | |
self.send_header("Content-Type", "application/json") | |
self.end_headers() | |
self.wfile.write(b'{"error": "door not in expected state -- possible wedged relay"}') | |
return | |
if self.path.startswith('/healthz'): | |
self.send_response(200) | |
self.send_header("Content-Type", "text/plain") | |
self.end_headers() | |
self.wfile.write(b'ok') | |
return | |
if not self.path.startswith('/' + uuid): | |
self.send_response(403) | |
self.end_headers() | |
return | |
global doSleep | |
print("Doing door...") | |
GPIO.output(chan, GPIO.HIGH) | |
time.sleep(0.5) | |
if GPIO.input(monitor) != 0: | |
GPIO.output(chan, GPIO.LOW) | |
print("Door actuation failed -- disconnected?") | |
self.send_response(502) | |
self.send_header("Content-Type", "application/json") | |
self.end_headers() | |
self.wfile.write(b'{"error": "door actuation failed -- possibly disconnected"}') | |
return | |
print("Done door.") | |
self.send_response(200) | |
self.send_header("Content-Type", "application/json") | |
self.end_headers() | |
self.wfile.write(b'{"error": null}') | |
doSleep = True | |
Handler = MyHandler | |
with socketserver.TCPServer(("", PORT), Handler) as httpd: | |
while True: | |
doSleep = False | |
GPIO.output(chan, GPIO.LOW) | |
httpd.handle_request() | |
if doSleep: | |
time.sleep(7) | |
print("Door done.") |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment