def getTime():
#frudenlund stop 3010307
#helsfyr 3011442
#jbt 3010370
r = requests.get('http://reisapi.ruter.no/StopVisit/GetDepartures/3010012')
result = json.loads(r.text)
for obj in result:
ruteTid = parse(obj['MonitoredVehicleJourney']['MonitoredCall']
['ExpectedDepartureTime']).replace(tzinfo=None)
tid = datetime.datetime.now().replace(tzinfo=None)
diff = ruteTid - tid
print(diff)
lcdlib.lcd_string(obj['MonitoredVehicleJourney']['PublishedLineName'],
LCD_LINE_1, 1)
lcdlib.lcd_string(obj['MonitoredVehicleJourney']['DestinationName'],
LCD_LINE_2, 1)
lcdlib.lcd_string(
str(round(diff.total_seconds() / 60, 1)) + " min", LCD_LINE_3, 1)
lcdlib.lcd_string("--------------------", LCD_LINE_4, 2)
time.sleep(5) # 20 second delay
# Blank display
lcdlib.lcd_byte(0x01, LCD_CMD)
def readADC(channel):
if channel == 1:
humidity, adc_value = Adafruit_DHT.read_retry(11, 4)
elif channel == 2:
adc_value, temperature = Adafruit_DHT.read_retry(11, 4)
elif channel == 3:
spi_mods = subprocess.Popen(['sudo lsmod |grep spi_b*'],
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
bufsize=1,
universal_newlines=True)
output = spi_mods.communicate()[0]
spi_mod_name = output.split()[0]
#print("SPI MOD = ",spi_mod_name)
result = subprocess.check_output(['sudo', 'rmmod', spi_mod_name])
result = subprocess.check_output(['sudo', 'modprobe', spi_mod_name])
SPI_PORT = 0
SPI_DEVICE = 0
mcp = Adafruit_MCP3008.MCP3008(spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE))
moisture_value = mcp.read_adc(0)
adc_value = moisture_value
elif channel == 4:
lcdlib.lcd_init()
GPIO.output(TRIG, False) #Set TRIG as LOW
print("Waitng For Sensor To Settle")
time.sleep(2) #Delay of 2 seconds
GPIO.output(TRIG, True) #Set TRIG as HIGH
time.sleep(0.00001) #Delay of 0.00001 seconds
GPIO.output(TRIG, False) #Set TRIG as LOW
while GPIO.input(ECHO) == 0: #Check whether the ECHO is LOW
pulse_start = time.time() #Saves the last known time of LOW pulse
while GPIO.input(ECHO) == 1: #Check whether the ECHO is HIGH
pulse_end = time.time() #Saves the last known time of HIGH pulse
pulse_duration = pulse_end - pulse_start #Get pulse duration to a variable
distance = pulse_duration * 17150 #Multiply pulse duration by 17150 to get distance
distance = round(distance)
lcdlib.lcd_string("Distance : " + str(distance), 0x80)
adc_value = distance
else:
state = False
print "Specified input channel is out of range."
print(adc_value)
return float(adc_value)
#print(json.dumps(json.loads(r.text), indent=4, sort_keys=True))
def main():
# Main program block
GPIO.setmode(GPIO.BCM) # Use BCM GPIO numbers
GPIO.setup(LCD_E, GPIO.OUT) # E
GPIO.setup(LCD_RS, GPIO.OUT) # RS
GPIO.setup(LCD_D4, GPIO.OUT) # DB4
GPIO.setup(LCD_D5, GPIO.OUT) # DB5
GPIO.setup(LCD_D6, GPIO.OUT) # DB6
GPIO.setup(LCD_D7, GPIO.OUT) # DB7
GPIO.setup(LED_ON, GPIO.OUT) # Backlight enable
# Initialise display
lcdlib.lcd_init()
getTime()
if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
pass
finally:
lcdlib.lcd_byte(0x01, LCD_CMD)
lcdlib.lcd_string("Goodbye!", LCD_LINE_1, 2)
GPIO.cleanup()
pulse_duration = pulse_end - pulse_start #Get pulse duration to a variable
distance = pulse_duration * 17150 #Multiply pulse duration by 17150 to get distance
distance = round(distance, 2) #Round to two decimal points
max = 162
if distance > 2 and distance < 400: #Check whether the distance is within range
print("Distance:", distance - 0.5, "cm")
garbage_level = 100 - (100 * float(distance - 0.5) / max)
print("{0:.0f}% full".format(garbage_level))
if garbage_level > 65:
print "Sending text to Pick up garbage bin 1"
else:
print("Out Of Range")
# lcdlib.lcd_string("GEOFF",0x80)
lcdlib.lcd_string("Garb Lvl:" + str(int(garbage_level)) + "%", 0x80)
data = json.dumps([{
"sensor": "sc-waste-manage",
"value": int(garbage_level),
"timestamp": "",
"context": "Ultrasonic sensor!"
}])
client.publish(topic, data)
print("")
print("Published data to cloud")
print("")
print("")
time.sleep(5)