def Step(self):
if (self.info['Inner Limit Switch']['status'] == 'On') and (not self.master.DevFlag):
showinfo('On Inner Limit Switch', 'Moving off inner limit switch.')
self.master.ToggleOn(self.info['Enable Override'], 'Enable Override')
DAC0_VALUE = self.master.LJ.voltageToDACBits(0.0, dacNumber = 0, is16Bits=False)
self.master.LJ.getFeedback(u6.DAC0_8(DAC0_VALUE))
i = -1.
n = int(i/0.00025099)
self.btn['state'] = tk.DISABLED
self.master.LJ.getFeedback(u6.TimerConfig(1, 9, Value=abs(n)))
self.master.LJ.getFeedback(u6.TimerConfig(0, 7, Value=0))
time.sleep(abs(n)/self.freq + 1.)
self.master.ToggleOff(self.info['Enable Override'], 'Enable Override')
self.btn['state'] = tk.ACTIVE
return
if (self.info['Outer Limit Switch']['status'] == 'On') and (not self.master.DevFlag):
showinfo('On Outer Limit Switch', 'Moving off outer limit switch.')
self.master.ToggleOn(self.info['Enable Override'], 'Enable Override')
DAC0_VALUE = self.master.LJ.voltageToDACBits(5.0, dacNumber = 0, is16Bits=False)
self.master.LJ.getFeedback(u6.DAC0_8(DAC0_VALUE))
i = 1.
n = int(i/0.00025099)
#print(self.master.LJ.TimerConfig(0))
self.btn['state'] = tk.DISABLED
self.master.LJ.getFeedback(u6.TimerConfig(1, 9, Value=abs(n)))
self.master.LJ.getFeedback(u6.TimerConfig(0, 7, Value=0))
time.sleep(abs(n)/self.freq + 1.)
self.master.ToggleOff(self.info['Enable Override'], 'Enable Override')
self.btn['state'] = tk.ACTIVE
return
try:
i = float(self.entry.get())
except:
return
if not self.master.DevFlag:
if i < 0:
DAC0_VALUE = self.master.LJ.voltageToDACBits(0.0, dacNumber = 0, is16Bits=False)
self.master.LJ.getFeedback(u6.DAC0_8(DAC0_VALUE))
else:
DAC0_VALUE = self.master.LJ.voltageToDACBits(5.0, dacNumber = 0, is16Bits=False)
self.master.LJ.getFeedback(u6.DAC0_8(DAC0_VALUE))
n = int(i/0.00025099)
if abs(n) > 65535:
showerror('Input too High', 'Motor cannot travel further than {:.1f}mm in one step.'.format(65535*0.00025099))
return
if not self.master.DevFlag:
self.btn['state'] = tk.DISABLED
self.master.LJ.getFeedback(u6.TimerConfig(1, 9, Value=abs(n)))
self.master.LJ.getFeedback(u6.TimerConfig(0, 7, Value=0))
time.sleep(abs(n)/self.freq + 1.)
self.btn['state'] = tk.ACTIVE
def heaterControl(self):
'''Pulse positive for heater_frac fraction of a pcm_time time'''
if time.time() > self.last_heater_time + self.pcm_time:
self.last_heater_time=time.time()
#These lines prevents an endless sleep!
if (self.heater_frac < 0): self.heater_frac=0
if (self.heater_frac > 1): self.heater_frac=1
#Switch the heater on...
if (self.heater_frac==0): LJ.getFeedback(u6.DAC0_8(0))
else: LJ.getFeedback(u6.DAC0_8(255))
#Wait
time.sleep(self.pcm_time*self.heater_frac)
#Switch the heater off...
if (self.heater_frac==1): LJ.getFeedback(u6.DAC0_8(255))
else: LJ.getFeedback(u6.DAC0_8(0))
def __init__(self): self.device = u6.U6() print self.device.configU6() #for the labjack self.numChannels = 12 self.firstChannel = 2 self.resolutionIndex = 4 self.gainIndex = 0 self.settlingFactor = 0 self.differential = False self.latestAinValues = np.array([0]*self.numChannels, dtype='float') self.lastForceMoments = np.array([0]*self.numChannels, dtype='float') self.latestForceMoments = np.array([0]*self.numChannels, dtype='float') self.zero = np.array([0]*self.numChannels, dtype='float') self.lastTime = 0 self.latestTime = 0 self.lastLeftOn = False self.latestLeftOn = False self.lastLeftCOP = [0, 0] self.latestLeftCOP = [0, 0] self.lastRightOn = False self.latestRightOn = False self.lastRightCOP = [0, 0] self.latestRightCOP = [0, 0] FIOEIOAnalog = ( 2 ** self.numChannels ) - 1; fios = FIOEIOAnalog & (0xFF) eios = FIOEIOAnalog/256 self.device.getFeedback(u6.PortDirWrite(Direction = [0, 0, 0], WriteMask = [0, 0, 15])) self.feedbackArguments = [] self.feedbackArguments.append(u6.DAC0_8(Value = 125)) self.feedbackArguments.append(u6.PortStateRead()) for i in range(self.firstChannel, self.numChannels+self.firstChannel): self.feedbackArguments.append( u6.AIN24(i, self.resolutionIndex, self.gainIndex, self.settlingFactor, self.differential) ) self.task = viztask.schedule(self.__update) self.going = True self.history = [] self.recording = False #magic numbers to turn volts into Newtons and Newton.meters #left is stored in first 6 (x,y,z,mx,my,mz) and right in second 6 self.M = np.array([[0, -2.309900 , 0.000000 , 1.308000 , 0.000000 , 2.306800 , 0.000000 , -495.780000 , 0.000000 , -494.040000 , 0.000000 , -2.034400],\ [0, 6.308900 , 0.000000 , 5.913600 , 0.000000 , 11.633000 , 0.000000 , -2.295700 , 0.000000 , -13.079000 , 0.000000 , 499.990000],\ [0, -491.360000 , 0.000000 , -488.510000 , 0.000000 , -488.270000 , 0.000000 , 5.064000 , 0.000000 , 6.732400 , 0.000000 , 0.391790],\ [0, 48.162000 , 0.000000 , -298.930000 , 0.000000 , 299.410000 , 0.000000 , -1.565600 , 0.000000 , 4.956800 , 0.000000 , 54.786000],\ [0, -254.760000 , 0.000000 , -26.647000 , 0.000000 , -25.153000 , 0.000000 , 42.462000 , 0.000000 , 42.087000 , 0.000000 , 1.601900],\ [0, -7.032800 , 0.000000 , 1.345700 , 0.000000 , -1.140100 , 0.000000 , -243.640000 , 0.000000 , 354.550000 , 0.000000 , -4.020500],\ [-2.688400 , 0.000000 , -0.083334 , 0.000000 , 1.258500 , 0.000000 , 491.220000 , 0.000000 , -495.750000 , 0.000000 , -6.723600 , 0],\ [-7.642900 , 0.000000 , -5.959700 , 0.000000 , -3.659100 , 0.000000 , 15.847000 , 0.000000 , -12.401000 , 0.000000 , 507.580000 , 0],\ [-490.840000 , 0.000000 , -490.690000 , 0.000000 , -492.520000 , 0.000000 , -6.428000 , 0.000000 , 3.723600 , 0.000000 , 4.807000 , 0],\ [300.830000 , 0.000000 , -300.260000 , 0.000000 , 48.265000 , 0.000000 , -5.152500 , 0.000000 , -1.434500 , 0.000000 , 49.278000 , 0],\ [26.955000 , 0.000000 , 27.005000 , 0.000000 , 253.680000 , 0.000000 , -40.116000 , 0.000000 , 41.703000 , 0.000000 , -1.501700 , 0],\ [-1.380200 , 0.000000 , -2.450800 , 0.000000 , -1.349500 , 0.000000 , -348.250000 , 0.000000 , -245.680000 , 0.000000 , 10.366000 , 0]],\ dtype='float')
def set_dc_voltage(self, volt, amp=1.):
"""set the dc voltage to volt. If an amplifier is used, set the 'amp' to the amplification value,
and the voltage you want in the end... Use DAC0"""
voltage = volt / amp
self.lj.getFeedback(
u6.DAC0_8(
self.lj.voltageToDACBits(voltage, dacNumber=0,
is16Bits=False)))
def saw_stepper(d, df):
amp = df['Amplitude']
time = df_saw['Time']
for i in range(0, len(amp)):
volt = amp.loc[i]
#applys voltage to the dac
dac0 = d.voltageToDACBits(volt, dacNumber=0, is16Bits=False)
d.getFeedback(u6.DAC0_8(dac0))
t.sleep(.1)
#! /usr/bin/python
import u6
import pylab
import numpy as np
import time, datetime, os
today = datetime.date.today() # get time string for folder name
todaystr = today.isoformat()
d = u6.U6() # open LabJack U6
d.getCalibrationData() # get calibration info for U6
# turn off device first
DAC0_value = d.voltageToDACBits(0, dacNumber = 0, is16Bits = False)
d.getFeedback(u6.DAC0_8(DAC0_value))
device_type = raw_input('Are you calibrating led or lasergreen or laserblue or laserblueC? ')
fiber_type = raw_input('What is your fiber diameter(nm)? ')
# Set DAC0 to 2V and get analog reading from AIN0 to calculate scale
if device_type == "led":
startV = 0.07
stopV = 5
nVPts = 81
DAC0_value = d.voltageToDACBits(1.4, dacNumber = 0, is16Bits = False)
elif device_type == "lasergreen":
startV = 1.5
stopV = 3
nVPts = 19
d = u6.U6()
d.getCalibrationData()
try:
#Configure the IOs before the test starts
FIOEIOAnalog = (2**numChannels) - 1
fios = FIOEIOAnalog & (0xFF)
eios = FIOEIOAnalog / 256
d.getFeedback(u6.PortDirWrite(Direction=[0, 0, 0], WriteMask=[0, 0, 15]))
feedbackArguments = []
feedbackArguments.append(u6.DAC0_8(Value=125))
feedbackArguments.append(u6.PortStateRead())
for i in range(numChannels):
feedbackArguments.append(
u6.AIN24(i, resolutionIndex, gainIndex, settlingFactor,
differential))
start = datetime.now()
# Call Feedback 1000 times
i = 0
while i < numIterations:
results = d.getFeedback(feedbackArguments)
for j in range(numChannels):
latestAinValues[j] = d.binaryToCalibratedAnalogVoltage(
