def performSensing(interval): # interval: sec
global sensingData, sensingTimer
sensingTimer = threading.Timer(interval, performSensing, args=[interval])
sensingTimer.start()
print('Start sensing timer')
removeEventDetect(Enter_Exit_Button_Pin)
if DISPLAY_TYPE == 0:
clearSensingStopNotice()
# EC sensing
if digital_ec_meter.detectDigitalEc():
ec = digital_ec_meter.readDigitalEc()
ec = float(ec)
ec = (float)('%.2f' %ec)
sensingData['ec'] = ec
# pH sensing
if digital_ph_meter.detectDigitalPh():
ph = digital_ph_meter.readDigitalPh()
ph = float(ph)
ph = (float)('%.2f' %ph)
sensingData['ph'] = ph
# Air temperature and humidity sensing
if am2315.detectAM2315():
(temp, humi) = am2315.readTempHumi()
temp = (float)('%.2f' %temp)
humi = (float)('%.2f' %humi)
sensingData['airTemp'] = temp
sensingData['humidity'] = humi
# Liquid temperature sensing
if ds18B20.detectDS18B20():
liqTemp = ds18B20.readDS18B20()
liqTemp = (float)('%.2f' %liqTemp)
sensingData['liquidTemp'] = liqTemp
print(sensingData)
displaySensingResult()
if DISPLAY_TYPE == 0:
displaySensingStopNotice()
addEventDetect(Enter_Exit_Button_Pin)
# Test code
#======================================================================================================
if __name__ == '__main__':
print('Digital pH Meter Test')
if detectDigitalPh():
getDeviceInfo()
while (True):
print('0:Read, 1: Set temperature 2: Calibrate pH meter')
i = input('Input:')
n = int(i)
if n == 0:
print('Press Ctrl+C to exit')
while (True):
try:
ph = readDigitalPh()
print("pH: %s" % ph)
time.sleep(2)
except KeyboardInterrupt:
print('\n')
break
elif n == 1:
if ds18B20.detectDS18B20():
liqTemp = ds18B20.readDS18B20()
else:
liqTemp = 25 # default temp
setTemperature(liqTemp)
else:
calibrateDigitalPh()