From ed2d0327ab887ef4032087a8149389f4164657ce Mon Sep 17 00:00:00 2001
From: Ravi Shah <63246200+Rav4s@users.noreply.github.com>
Date: Thu, 18 Feb 2021 17:03:56 -0600
Subject: [PATCH] Add a telegram notifier for when garage is open

---
 collector.py | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 collector.py

diff --git a/collector.py b/collector.py
new file mode 100644
index 0000000..668ef94
--- /dev/null
+++ b/collector.py
@@ -0,0 +1,41 @@
+# Load libraries
+import RPi.GPIO as GPIO #Import RPi GPIO library
+import time
+from time import localtime, strftime
+import os
+
+# Set up the GPIO pins
+GPIO.setwarnings(False)
+GPIO.setmode(GPIO.BOARD)
+PIN_TRIG = 40
+PIN_ECHO = 38
+
+def collect_data():
+    GPIO.setup(PIN_TRIG, GPIO.OUT) #Setup the gpio trigger pin as input
+    GPIO.setup(PIN_ECHO, GPIO.IN) #Setup the gpio echo pin as output
+    time.sleep(0.5) #Wait for 0.5 seconds for sensor to settle
+    GPIO.output(PIN_TRIG, GPIO.LOW) #Set trigger to low
+    GPIO.output(PIN_TRIG, GPIO.HIGH) #Set trigger to high
+    time.sleep(0.00001) #Wait for 0.1 milliseconds before setting to low again
+    GPIO.output(PIN_TRIG, GPIO.LOW) #Set trigger to low again
+    while GPIO.input(PIN_ECHO)==0:
+        pulse_start_time = time.time() #Set the start time of when the waves are emitted by the sensor
+    while GPIO.input(PIN_ECHO)==1:
+        pulse_end_time = time.time() #Record the time the waves traveled back to the sensor
+        pulse_duration = pulse_end_time - pulse_start_time #Calculate how long it took for the round trip of the waves
+        distance = round(pulse_duration * 17150, 2) #Convert the time it took to centimeters and round to 2 decimals
+    date_time = strftime("%Y-%m-%d %H:%M:%S", localtime())
+    if distance <= 80: #Check if the distance is greater than 80cm (This will depend on the garage)
+        distance = str(distance)
+        message = 'At ' + date_time + ', the garage was opened at a distance of ' + distance + ' centimeters!'
+        command = '../telegram-bot-bash/bin/send_broadcast.sh --doit' + ' "' + message + '"' + '> /dev/null'
+        os.system(command)
+
+if __name__ == '__main__':
+    while True:
+        try:
+            collect_data()
+        except:
+            print("quitting")
+            quit()
+        time.sleep(5)
\ No newline at end of file