def start(self):
# change these as desired - they're the pins connected from the
# SPI port on the ADC to the Cobbler
SPICLK = RaspberryPi.SPI_CE1 #CLK
SPIMISO = RaspberryPi.SPI_CE0 #DOUT
SPIMOSI = RaspberryPi.SPI_SCLK #DIN
SPICS = RaspberryPi.SPI_MISO #CS
# set up the SPI interface pins
GPIO.setup(SPIMOSI, GPIO.OUT)
GPIO.setup(SPIMISO, GPIO.IN)
GPIO.setup(SPICLK, GPIO.OUT)
GPIO.setup(SPICS, GPIO.OUT)
# 10k trim pot connected to adc #0
potentiometer_adc = 0;
last_read = 0 # this keeps track of the last potentiometer value
tolerance = 5 # to keep from being jittery we'll only change
# volume when the pot has moved more than 5 'counts'
buzzer = Buzzer()
lcd = LCD()
lcd.Blink()
printed = False
try:
while True:
# we'll assume that the pot didn't move
trim_pot_changed = False
# read the analog pin
trim_pot = self.readadc(potentiometer_adc, SPICLK, SPIMOSI, SPIMISO, SPICS)
# how much has it changed since the last read?
pot_adjust = abs(trim_pot - last_read)
if DEBUG:
print "trim_pot:", trim_pot
print "pot_adjust:", pot_adjust
print "last_read", last_read
if ( pot_adjust > tolerance ):
trim_pot_changed = True
if DEBUG:
print "trim_pot_changed", trim_pot_changed
if ( trim_pot_changed ):
value = trim_pot / 10.24 # convert 10bit adc0 (0-1024) trim pot read into 0-100 volume level
value = round(value) # round out decimal value
value = int(value) # cast volume as integer
number = '';
printedNumber = ''
released = False
if ( value != 60):
if (value >= 75 and value < 80):
number ='1'
elif (value >= 69 and value < 74):
number ='2'
elif (value >= 64 and value <= 70):
number ='3'
elif (value >= 0 and value <= 12):
number ='4'
elif (value >= 32 and value <= 37):
number ='5'
elif (value >= 38 and value <= 44):
number ='6'
elif (value >= 21 and value <= 26):
number ='7'
elif (value >= 83 and value <= 90):
number ='8'
elif (value >= 45 and value <= 51):
number ='9'
elif (value >= 54 and value <= 59):
number ='*'
elif (value >= 94 and value <= 100):
number ='0'
elif (value >= 50 and value <= 53):
number ='#'
else:
print "Dunno: ", value
if (value == 60):
released = True
printed = False
if(number != printedNumber and not printed):
printedNumber = number
print number, value
lcd.message(number)
buzzer.beep(659, 125)
printed = True
time.sleep(0.1)
if(number == '*'):
self.typePassword = 1
self.password = ''
elif(number == '#' and self.typePassword == 1):
lcd.noBlink()
self.typePassword = 0
user = self.database.check_login(self.password)
print user
sleep_time = 1
if(user != 'Invalid Code'):
sleep_time = 5
self.led.show_status_light = 1
system_status = self.database.system_status()
if(system_status == '1'):
self.sp.stop_timer()
self.sp.soundingAlarm = 0
self.database.system_disarm()
message = 'User '+user['first_name']+' '+user['last_name']+' disarmed the system'
print message
self.database.log(message)
print user['first_name']+' '+user['last_name']
user = '******'+user['first_name']+' '+user['last_name']
else:
self.database.system_arm()
user = user['first_name']+' '+user['last_name']+'\nArmed The System'
self.database.log(user)
time.sleep(0.5)
lcd.clear()
lcd.message(user)
self.message = ''
time.sleep(sleep_time)
lcd.clear()
lcd.Blink()
if(self.password == '1111'):
print 'play mario'
mario_thread = threading.Thread(target=self.play_song(),)
print 'die mario'
mario_thread.start()
elif(self.typePassword == 1):
if(number != '*'):
self.password += number
time.sleep(0.01)
except KeyboardInterrupt:
GPIO.cleanup()
print "\nKill"
