commit of work prior to forking the gatecounter stuff

gatecounter-scripts/UltraSonicdbWriteGate.py

@@ -0,0 +1,83 @@
+# Written By Johnathan Cintron and Devlyn Courtier for the HCCC Library
+
+import sys
+import time, MySQLdb
+import RPi.GPIO as GPIO
+
+ultraSonicConst = "95"
+count = 0
+
+# Set RPi GPIO Mode
+GPIO.setmode(GPIO.BCM)
+
+# Set GPIO pins
+TRIG = 23
+ECHO = 24
+
+# Setup GPIO in and out 
+GPIO.setup(TRIG, GPIO.OUT)
+GPIO.setup(ECHO, GPIO.IN)
+
+# End GPIO setup
+
+# Open Database Connection
+db = MySQLdb.connect("HOSTNAME","USERNAME","PASSWORD","DATABASE")
+
+# Prepare a cursor object
+cursor = db.cursor()
+
+try:
+	while True:
+		curr_date = time.strftime("%Y-%m-%d")
+		curr_time = time.strftime("%H:%M:%S")
+
+		GPIO.output(TRIG, False)
+		time.sleep(0.5)
+
+		GPIO.output(TRIG, True)
+		time.sleep(0.00001)
+		GPIO.output(TRIG, False)
+
+		while GPIO.input(ECHO) == 0:
+			pulse_start = time.time()
+
+		while GPIO.input(ECHO) == 1:
+			pulse_end = time.time()
+
+		pulse_duration = pulse_end - pulse_start
+
+		distance = pulse_duration * 17150
+
+		distance = round(distance, 2)
+	
+		if distance < 120:
+			count = count + 1
+
+		#print count
+		#print distance
+
+		# Open database connection
+
+		# prepare a cursor object using cursor() method
+
+		# Prepare SQL query to INSERT a record into the database.
+
+		#if any( [int(time.strftime("%H")) == 8, int(time.strftime("%H")) == 15, int(time.strftime("%H")) == 22] ) and (int(time.strftime("%M")) == 0):
+		if any( [time.strftime("%M") == "00", int(time.strftime("%M")) == 10, int(time.strftime("%M")) == 20, int(time.strftime("%M")) == 30, int(time.strftime("%M")) == 40, int(time.strftime("%M")) == 50]) and (time.strftime("%S") == "00"):
+			try:
+				# Create SQL Query
+				sql = "INSERT INTO ULTRASTATS (date, time, gatecount) VALUES ('%s', '%s', '%d')" % (curr_date, curr_time, count)
+				# Execute the SQL command
+				cursor.execute(sql)
+				# Commit your changes in the database
+				db.commit()
+			except:
+				# Rollback in case there is any error
+				db.rollback()
+
+		time.sleep(0.5)
+except KeyboardInterrupt:
+	db.close()
+	print("\nCtrl-C pressed cleaning up GPIO")
+	GPIO.cleanup()
+	sys.exit(0)