time.sleep(NO_RESPONSE_DELAY)
elif res == ERROR_BAD_DATA_CHECKSUM.value:
if DEBUG:
print "bad checksum"
time.sleep(0)
if DEBUG:
print "retry #%d" % (i+1)
else:
raise IOError("read failed after %d attempts" % (READ_ATTEMPTS,))
return (humidity.value, temperature.value)
###############################################################################
# TEST CODE
###############################################################################
if __name__ == "__main__":
DHTLibrary.setup('BCM')
DATAPIN = 4
dht = DHT22(pin = DATAPIN)
try:
while True:
print "---"
H, T = dht.read()
print "timestamp: %s" % time.time()
print "humidity: %0.2f" % H
print "temperature: %0.2f" % T
time.sleep(1.0)
except KeyboardInterrupt:
pass
def setup(pinmode = DEFAULT_PINMODE):
DHTLibrary.setup(pinmode=pinmode)
