def getTemperature(self, maxAge=1.0):
"""
getTemperature(maxAge = 1.0) --> float
This routine returns the current temperature mesurment.
maxAge is the maximum allowable age (in seconds) of the
temperature data.
"""
trace("OmegaDp251Thermometer.getTemperature()")
if not self.isOpen():
self.openDevice()
if (maxAge > 0.1 and self.timestamp and self.currentTemperature):
now = time.time()
if self.timestamp + maxAge > now:
return self.currentTemperature
s = self.sendCmdAndRecvResponse('T')
if s == None or len(s) == 0:
return None
s = s[1:].strip()[:-1]
try:
self.currentTemperature = float(s)
except (ValueError, TypeError):
raise Device.DeviceError(("Cannot parse Omega "
"temperature value: %s") % s)
self.timestamp = time.time()
return self.currentTemperature
def getPressure(self, maxAge = 1.0):
"""
getPressure(maxAge = 1.0) --> float
This routine returns the current pressure mesurment.
maxAge is the maximum allowable age (in seconds) of the
pressure data.
"""
trace ("Mensor2400Barometer.getPressure()")
if not self.isOpen():
self.openDevice()
if (maxAge > 0.1 and self.timestamp and self.currentPressure):
now = time.time()
if self.timestamp +maxAge > now:
return self.currentPressure
s = self.sendCmdAndRecvResponse('?').split()[1]
try:
self.currentPressure = float (s)
except (ValueError, TypeError):
raise Device.DeviceError (("Cannot parse Mensor Barometer"
" value: %s") % s)
self.timestamp = time.time()
return self.currentPressure
def getTemperature(self, maxAge=1.0):
"""
getTemperature(maxAge = 1.0) --> float
This routine returns the current temperature mesurment.
maxAge is the maximum allowable age (in seconds) of the
temperature data.
"""
trace("NewportIbthx.getTemperature()")
if not self.isOpen():
self.openDevice()
if (maxAge > 0.1 and self.tempTimestamp and self.currTemperature):
now = time.time()
if self.tempTimestamp + maxAge > now:
return self.currTemperature
s = self.sendCmdAndRecvResponse('SRTC')
try:
self.currTemperature = float(s)
except (ValueError, TypeError):
raise Device.DeviceError(("Cannot parse Newport "
"temperature value: %s") % s)
self.tempTimestamp = time.time()
return self.currTemperature
