def readTemperature():
global temperature
try:
basedir = '/sys/bus/w1/devices'
sensors = ds18b20driver.find_sensors(basedir)
if not sensors:
#print "senzor ds18b20 nedetekován"
return True
for s in sensors:
(ok, temp) = ds18b20driver.read_temp(basedir + '/' + s)
if ok:
temperature = float("{0:.2f}".format(temp / 1000.0))
break
except:
pass
def readTemperatureOUT():
global temperature2
try:
basedir = '/sys/bus/w1/devices'
sensors = ds18b20driver.find_sensors(basedir)
if not sensors:
#print "senzor ds18b20 nedetekován"
return False
for s in sensors:
(ok, temp) = ds18b20driver.read_temp(basedir + '/' + s)
if ok:
teplota = float("{0:.2f}".format(temp / 1000.0))
temperature2 = int(teplota)
return True
break
except:
return False
def update_temperature(*args):
global timer_running, temperature
try:
if not timer_running:
return False
basedir = '/sys/bus/w1/devices'
sensors = ds18b20driver.find_sensors(basedir)
if not sensors:
print getNowStr() + "senzor ds18b20 nedetekován"
return True
for s in sensors:
(ok, temp) = ds18b20driver.read_temp(basedir + '/' + s)
if ok:
temperature = float("{0:.2f}".format(temp / 1000.0))
break
print getNowStr() + "Teplota "+str(temperature) + " °C"
lcd_display_string("Teplota "+str(temperature)+" °C ", 1)
except:
return timer_running
