def __init__(self, ai_device, ai_channels, do_device, samp_rate, secs,
write, sync_clock, trigger_source):
self.ai_handle = TaskHandle(0)
self.do_handle = TaskHandle(1)
DAQmxCreateTask('', byref(self.ai_handle))
DAQmxCreateTask('', byref(self.do_handle))
DAQmxCreateAIVoltageChan(self.ai_handle, ai_device, '', DAQmx_Val_Diff,
-10.0, 10.0, DAQmx_Val_Volts, None)
DAQmxCreateDOChan(self.do_handle, do_device, '',
DAQmx_Val_ChanForAllLines)
# DAQmxCfgAnlgEdgeStartTrig(self.ai_handle, trigger_source, DAQmx_Val_RisingSlope, 4.0)
DAQmxCfgDigEdgeStartTrig(self.ai_handle, trigger_source,
DAQmx_Val_Rising)
self.ai_read = int32()
self.ai_channels = ai_channels
self.sampsPerChanWritten = int32()
self.write = Util.binary_to_digital_map(write)
self.sampsPerChan = self.write.shape[1]
self.write = numpy.sum(self.write, axis=0)
self.totalLength = numpy.uint64(samp_rate * secs)
self.analogData = numpy.zeros((self.ai_channels, self.totalLength),
dtype=numpy.float64)
DAQmxCfgSampClkTiming(self.ai_handle, '', samp_rate, DAQmx_Val_Rising,
DAQmx_Val_FiniteSamps,
numpy.uint64(self.totalLength))
DAQmxCfgSampClkTiming(self.do_handle, sync_clock, samp_rate,
DAQmx_Val_Rising, DAQmx_Val_FiniteSamps,
numpy.uint64(self.totalLength))
def __init__(self, device, samprate, secs, write, clock=''):
Task.__init__(self)
self.CreateDOChan(device, "", DAQmx_Val_ChanPerLine)
self.sampsPerChanWritten = int32()
self.totalLength = samprate * secs
self.CfgSampClkTiming(clock, samprate, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps, np.uint64(self.totalLength))
self.AutoRegisterDoneEvent(0)
self.write = Util.binary_to_digital_map(write)
def __init__(self, device, samprate, secs, write, clock=''):
self.do_handle = TaskHandle(0)
DAQmxCreateTask("", byref(self.do_handle))
DAQmxCreateDOChan(self.do_handle, device, '', DAQmx_Val_ChanPerLine)
self.sampsPerChanWritten = int32()
self.write = Util.binary_to_digital_map(write)
self.totalLength = numpy.uint64(samprate * secs)
DAQmxCfgSampClkTiming(self.do_handle, clock, samprate,
DAQmx_Val_Rising, DAQmx_Val_FiniteSamps,
numpy.uint64(self.totalLength))
def __init__(self, ai_device, ai_channels, do_device, samp_rate, secs, write, sync_clock):
self.ai_handle = TaskHandle(0)
self.do_handle = TaskHandle(1)
DAQmxCreateTask("", byref(self.ai_handle))
DAQmxCreateTask("", byref(self.do_handle))
DAQmxCreateAIVoltageChan(self.ai_handle, ai_device, "", DAQmx_Val_Diff, -10.0, 10.0, DAQmx_Val_Volts, None)
DAQmxCreateDOChan(self.do_handle, do_device, "", DAQmx_Val_ChanPerLine)
self.ai_read = int32()
self.ai_channels = ai_channels
self.sampsPerChanWritten = int32()
self.write = Util.binary_to_digital_map(write)
self.totalLength = np.uint64(samp_rate * secs)
self.analogData = np.zeros((self.ai_channels, self.totalLength), dtype=np.float64)
DAQmxCfgSampClkTiming(self.ai_handle, '', samp_rate, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps,
np.uint64(self.totalLength))
DAQmxCfgSampClkTiming(self.do_handle, sync_clock, samp_rate, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps,
np.uint64(self.totalLength))
def __init__(self,
do_device,
co_device,
samp_rate,
secs,
write,
trigger_source,
controlled_carrier=False):
self.do_handle = TaskHandle(0)
self.co_handle = TaskHandle(1)
self.do_device = do_device
DAQmxCreateTask('', byref(self.do_handle))
DAQmxCreateTask('', byref(self.co_handle))
DAQmxCreateCOPulseChanFreq(self.co_handle, '/cDAQ1/Ctr0', '',
DAQmx_Val_Hz, DAQmx_Val_Low, 0.0, samp_rate,
0.5)
DAQmxCreateDOChan(self.do_handle, do_device, '',
DAQmx_Val_ChanForAllLines)
DAQmxCfgDigEdgeStartTrig(self.co_handle, trigger_source,
DAQmx_Val_Rising)
self.totalLength = numpy.uint64(samp_rate * secs)
self.secs = secs
self.sampsPerChanWritten = int32()
self.write = Util.binary_to_digital_map(write)
self.sampsPerChan = self.write.shape[1]
self.chans = self.write.shape[0]
self.write = numpy.sum(self.write, axis=0)
if controlled_carrier:
self.write += 2**(self.chans + 1)
DAQmxCfgImplicitTiming(self.co_handle, DAQmx_Val_FiniteSamps,
self.totalLength)
DAQmxCfgSampClkTiming(self.do_handle, '/cDAQ1/Ctr0InternalOutput',
samp_rate, DAQmx_Val_Rising,
DAQmx_Val_FiniteSamps,
numpy.uint64(self.totalLength))