Doorbell - full code

2021-09-14 17:22:43 +02:00
parent 1c6f0afdeb
commit 7196891717
10 changed files with 328 additions and 0 deletions
@@ -0,0 +1,35 @@
+# https://www.instructables.com/id/Arduino-Python-Communication-via-USB/
+# in rc.local:
+#   su tilman -c 'python3 /media/hd/admin/doorbell/doorbell.py >> /media/hd/admin/doorbell/doorbell.log 2>&1 &'
+
+import serial
+import urllib.request
+import logging
+import logging.handlers as handlers
+import time
+
+logger = logging.getLogger('Rotating Log')
+logger.setLevel(logging.INFO)
+logHandler = handlers.RotatingFileHandler('/media/hd/admin/doorbell/doorbell.log', maxBytes=1000000, backupCount=2)
+logHandler.setLevel(logging.INFO)
+logHandler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s - %(message)s', '%Y-%m-%d %H:%M:%S'))
+logger.addHandler(logHandler)
+
+logger.info('Initializing')
+
+
+arduino = serial.Serial('/dev/ttyUSB0', 9600, timeout=.1)
+
+while True:
+    data = arduino.readline()[:-2] #the last bit gets rid of the new-line chars
+    if data:
+        data = data.decode('utf8')
+        if (data == 'RING'):
+            try:
+                response = urllib.request.urlopen('http://192.168.178.51/bell/on', timeout=5).read().decode('utf-8')
+            except Exception:
+                logger.error("Could not ring doorbell")
+#                logger.exception("Could not ring doorbell")
+                time.sleep(300)
+            else:
+                logger.info(data)
@@ -0,0 +1,49 @@
+/*
+ *  https://www.arduino.cc/en/Tutorial/BuiltInExamples/Button
+ * 
+ *  D2  -------------
+ *          |       |
+ *        Button    |
+ *          |       |
+ *  +5V -----       |
+ *               10kOhm
+ *                  |
+ *  GND -------------
+ */
+
+const int ledPin = LED_BUILTIN;
+const int buttonPin = 2; // Button connected to D2
+const int flare_threshold = 20;
+
+bool active = false;
+
+void setup() {
+  pinMode(ledPin, OUTPUT);
+  pinMode(buttonPin, INPUT);
+  Serial.begin(9600);
+  Serial.println("Doorbell sensor");
+}
+
+void loop() {
+  int val = digitalRead(buttonPin);
+
+  if (val == HIGH) {
+    delay(flare_threshold); // catch flares
+    val = digitalRead(buttonPin);
+    
+    if (val == HIGH && active == false) {
+      Serial.println("RING");
+      digitalWrite(ledPin, HIGH);
+      active = true;
+      delay(250);
+    }
+    else if (val == LOW) {
+      Serial.print("flare (<");
+      Serial.print(flare_threshold);
+      Serial.println(")");
+    }
+  } else {
+    digitalWrite(ledPin, LOW);
+    active = false;
+  }
+}