def startCallibration(request):
try:
userData = UserData.objects.get(userId=request.user.id)
except ObjectDoesNotExist:
userData = UserData(userId=request.user.id)
userData.startCallibrationTime = str(int(time.time()))
userData.stopCallibrationTime = -1
userData.maxValuesList = None
userData.minValuesList = None
userData.isDirt = 1
userData.save()
return getHttpSuccessResponse()
def stopCallibration(request):
try:
userData = UserData.objects.get(userId=request.user.id)
except ObjectDoesNotExist:
userData = UserData(userId=request.user.id)
userData.stopCallibrationTime = str(int(time.time()))
# userData.startCallibrationTime = 1374776866
# userData.stopCallibrationTime = 1374776869
try:
# load calibration data per user
rawData = DataReader.loadDataInRange(request.user.id,
userData.startCallibrationTime,
userData.stopCallibrationTime)
for serialRawData in rawData:
data = serialRawData.data.replace("\r", "").split("\t")
if userData.minValuesList != None: # has prev. info
minValueList = jsonDec.decode(
userData.minValuesList) #convert string to array
maxValueList = jsonDec.decode(userData.maxValuesList)
for i in range(len(data)): #update min and max arrays
if int(data[i]) < int(minValueList[i]):
minValueList[i] = data[i]
if int(data[i]) > int(maxValueList[i]):
maxValueList[i] = data[i]
userData.minValuesList = json.dumps(
minValueList) #convert array to string
userData.maxValuesList = json.dumps(maxValueList)
else: # first record
userData.minValuesList = json.dumps(data)
userData.maxValuesList = json.dumps(data)
#clear old data
DataReader.removeData(request.user.id, userData.stopCallibrationTime)
except ObjectDoesNotExist:
return getHttpResponse(0, "Serial data of the user is empty. ")
userData.save(force_update=True)
return getHttpSuccessResponse()