def EveryNCallback_py(taskHandle, everyNsamplesEventType, nSamples,
callbackData_ptr):
"""Function called every N samples"""
callbackdata = daqmx.get_callbackdata_from_id(callbackData_ptr)
data, npoints = daqmx.ReadAnalogF64(taskHandle, self.nsamps,
10.0, daqmx.Val_GroupByChannel, self.nsamps,
len(self.analogchans))
callbackdata.extend(data.tolist())
self.data["torque_trans"] = np.append(self.data["torque_trans"],
data[:,0], axis=0)
self.data["torque_arm"] = np.append(self.data["torque_arm"],
data[:,1], axis=0)
self.data["drag_left"] = np.append(self.data["drag_left"],
data[:,2], axis=0)
self.data["drag_right"] = np.append(self.data["drag_right"],
data[:,3], axis=0)
self.data["time"] = np.arange(len(self.data["torque_trans"]),
dtype=float)/self.sr
carpos, cpoints = daqmx.ReadCounterF64(self.carpostask,
self.nsamps, 10.0,
self.nsamps)
self.data["carriage_pos"] = np.append(self.data["carriage_pos"],
carpos)
turbang, cpoints = daqmx.ReadCounterF64(self.turbangtask,
self.nsamps, 10.0,
self.nsamps)
self.data["turbine_angle"] = np.append(self.data["turbine_angle"],
turbang)
self.data["turbine_rpm"] \
= ts.smooth(fdiff.second_order_diff(self.data["turbine_angle"],
self.data["time"])/6.0, 8)
return 0 # The function should return an integer
def EveryNCallback_py(taskHandle, everyNsamplesEventType, nSamples,
callbackData_ptr):
callbackdata = daqmx.get_callbackdata_from_id(callbackData_ptr)
data, npoints = daqmx.ReadAnalogF64(taskHandle, buffsize/20, 10.0,
daqmx.Val_GroupByChannel, buffsize/20, 1)
callbackdata.extend(data.tolist())
self.npdata = np.append(self.npdata, data)
return 0 # The function should return an integer
def EveryNCallback_py(taskHandle, everyNsamplesEventType, nSamples,
callbackData_ptr):
callbackdata = daqmx.get_callbackdata_from_id(callbackData_ptr)
data, npoints = daqmx.ReadAnalogF64(taskHandle, buffsize, 10.0,
daqmx.Val_GroupByChannel, buffsize, 1)
callbackdata.extend(data.tolist())
print "Acquired %d samples"%len(data)
saved_data = np.load(filename)
new_saved_data = np.append(saved_data, np.asarray(data))
np.save(filename, new_saved_data)
return 0 # The function should return an integer
def EveryNCallback_py(taskHandle, everyNsamplesEventType, nSamples,
callbackData_ptr):
callbackdata = daqmx.get_callbackdata_from_id(callbackData_ptr)
data, npoints = daqmx.ReadAnalogF64(taskHandle, buffsize, 10.0,
daqmx.Val_GroupByChannel, buffsize, 1)
callbackdata.extend(data.tolist())
print "Acquired %d samples" % len(data)
saved_data = np.load(filename)
new_saved_data = np.append(saved_data, np.asarray(data))
np.save(filename, new_saved_data)
return 0 # The function should return an integer
def EveryNCallback_py(taskHandle, everyNsamplesEventType, nSamples,
callbackData_ptr):
"""Function called every N samples"""
callbackdata = daqmx.get_callbackdata_from_id(callbackData_ptr)
data, npoints = daqmx.ReadAnalogF64(taskHandle, self.nsamps, 10.0,
daqmx.Val_GroupByChannel,
self.nsamps,
len(self.analogchans))
callbackdata.extend(data.tolist())
self.data["torque_trans"] = np.append(self.data["torque_trans"],
data[:, 0],
axis=0)
self.data["torque_arm"] = np.append(self.data["torque_arm"],
data[:, 1],
axis=0)
self.data["drag_left"] = np.append(self.data["drag_left"],
data[:, 2],
axis=0)
self.data["drag_right"] = np.append(self.data["drag_right"],
data[:, 3],
axis=0)
self.data["t"] = np.arange(len(self.data["torque_trans"]),
dtype=float) / self.sr
carpos, cpoints = daqmx.ReadCounterF64(self.carpostask,
self.nsamps, 10.0,
self.nsamps)
self.data["carriage_pos"] = np.append(self.data["carriage_pos"],
carpos)
turbang, cpoints = daqmx.ReadCounterF64(self.turbangtask,
self.nsamps, 10.0,
self.nsamps)
self.data["turbine_angle"] = np.append(self.data["turbine_angle"],
turbang)
self.data["turbine_rpm"] \
= ts.smooth(fdiff.second_order_diff(self.data["turbine_angle"],
self.data["t"])/6.0, 50)
return 0 # The function should return an integer