def upload_live_data():
global cycleCount
# Guard against multiple threads
if upload_live_data.active:
return
upload_live_data.active = True
print("read live data from pump")
hasFailed = True
numRetries = MAX_RETRIES_AT_FAILURE
while hasFailed and numRetries > 0:
try:
liveData = cnl24driverlib.readLiveData()
hasFailed = False
except:
print("unexpected ERROR occured while reading live data")
syslog.syslog(syslog.LOG_ERR, "Unexpected ERROR occured while reading live data")
liveData = None
numRetries -= 1
if numRetries > 0:
time.sleep(5)
# Upload data to Blynk server
if blynk != None:
try:
blynk_upload(liveData)
except:
syslog.syslog(syslog.LOG_ERR, "Blynk upload ERROR")
# TEST
#liveData = {"actins":0.5,
#"bgl":778,
#"time":"111",
#"trend":2,
#"unit":60,
#"batt":25
#}
# Upload data to Nighscout server
if nightscout != None:
try:
nightscout.upload(liveData)
except:
syslog.syslog(syslog.LOG_ERR, "Nightscout upload ERROR")
cycleCount += 1
upload_live_data.active = False
def upload_live_data():
global cycleCount
global cycleTimer
# Guard against multiple threads
if upload_live_data.active:
return
upload_live_data.active = True
print("read live data from pump")
hasFailed = True
numRetries = MAX_RETRIES_AT_FAILURE
while hasFailed and numRetries > 0:
try:
liveData = cnl24driverlib.readLiveData()
hasFailed = False
except:
print("unexpected ERROR occured while reading live data")
syslog.syslog(syslog.LOG_ERR,
"Unexpected ERROR occured while reading live data")
liveData = None
numRetries -= 1
if numRetries > 0:
time.sleep(RETRY_DELAY)
# Account for pump RTC drift
if liveData != None:
print("account for pump RTC drift:")
print(" before: pumpTime {0}, sensorBGLTimestamp {1}".format(
liveData["pumpTime"], liveData["sensorBGLTimestamp"]))
liveData["pumpTime"] += liveData["pumpTimeDrift"]
if liveData["sensorBGL"] != SENSOR_EXCEPTIONS.SENSOR_LOST:
liveData["sensorBGLTimestamp"] += liveData["pumpTimeDrift"]
print(" after : pumpTime {0}, sensorBGLTimestamp {1}".format(
liveData["pumpTime"], liveData["sensorBGLTimestamp"]))
# Upload data to Blynk server
if blynk != None:
try:
blynk_upload(liveData)
except:
syslog.syslog(syslog.LOG_ERR, "Blynk upload ERROR")
# Upload data to Nighscout server
if nightscout != None:
try:
nightscout.upload(liveData)
except:
syslog.syslog(syslog.LOG_ERR, "Nightscout upload ERROR")
# Calculate time until next reading
if liveData != None:
nextReading = liveData["sensorBGLTimestamp"] + datetime.timedelta(
seconds=UPDATE_INTERVAL)
tmoSeconds = int((nextReading - datetime.datetime.now(
liveData["pumpTime"].tzinfo)).total_seconds())
print("Next reading at {0}, {1} seconds from now\n".format(
nextReading, tmoSeconds))
if tmoSeconds < 0:
tmoSeconds = RETRY_INTERVAL
else:
tmoSeconds = RETRY_INTERVAL
print("Retry reading {0} seconds from now\n".format(tmoSeconds))
# Start timer for next cycle
cycleTimer = threading.Timer(tmoSeconds + 10, upload_live_data)
cycleTimer.start()
cycleCount += 1
upload_live_data.active = False