Created
April 5, 2016 17:55
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from ubidots import ApiClient | |
import RPi.GPIO as GPIO | |
import time | |
import wiringpi2 as wiringpi | |
def bin2dec(string_num): | |
return str(int(string_num, 2)) | |
def finish(): | |
wiringpi.digitalWrite(0, 0) | |
exit() | |
def start(): | |
wiringpi.digitalWrite(0, 1) | |
wiringpi.wiringPiSetup() | |
wiringpi.pinMode(0, 1) | |
start() | |
data = [] | |
GPIO.setmode(GPIO.BCM) | |
GPIO.setup(4,GPIO.OUT) | |
GPIO.output(4,GPIO.HIGH) | |
time.sleep(0.025) | |
GPIO.output(4,GPIO.LOW) | |
time.sleep(0.02) | |
GPIO.setup(4, GPIO.IN, pull_up_down=GPIO.PUD_UP) | |
for i in range(0,500): | |
data.append(GPIO.input(4)) | |
bit_count = 0 | |
tmp = 0 | |
count = 0 | |
HumidityBit = "" | |
TemperatureBit = "" | |
crc = "" | |
api = ApiClient(token='API_TOKEN') | |
temp = api.get_variable('TEMP_VARIABLE_TOKEN') | |
humidity = api.get_variable('HUMIDITY_VARIABLE_TOKEN') | |
try: | |
while data[count] == 1: | |
tmp = 1 | |
count = count + 1 | |
for i in range(0, 32): | |
bit_count = 0 | |
while data[count] == 0: | |
tmp = 1 | |
count = count + 1 | |
while data[count] == 1: | |
bit_count = bit_count + 1 | |
count = count + 1 | |
if bit_count > 3: | |
if i>=0 and i<8: | |
HumidityBit = HumidityBit + "1" | |
if i>=16 and i<24: | |
TemperatureBit = TemperatureBit + "1" | |
else: | |
if i>=0 and i<8: | |
HumidityBit = HumidityBit + "0" | |
if i>=16 and i<24: | |
TemperatureBit = TemperatureBit + "0" | |
except: | |
print "ERR_RANGE" | |
finish() | |
try: | |
for i in range(0, 8): | |
bit_count = 0 | |
while data[count] == 0: | |
tmp = 1 | |
count = count + 1 | |
while data[count] == 1: | |
bit_count = bit_count + 1 | |
count = count + 1 | |
if bit_count > 3: | |
crc = crc + "1" | |
else: | |
crc = crc + "0" | |
except: | |
print "ERR_RANGE" | |
finish() | |
Humidity = bin2dec(HumidityBit) | |
Temperature = bin2dec(TemperatureBit) | |
if int(Humidity) + int(Temperature) - int(bin2dec(crc)) == 0: | |
print "Humidade: "+ Humidity +"%" | |
print "Temperatura: "+ Temperature +"C" | |
temp.save_value({"value": Temperature}) | |
humidity.save_value({"value": Humidity}) | |
else: | |
print "ERR_CRC" | |
finish() |
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