def __init__(self):
self.amplitude = 0.01
self.frequency = 10000
self.size = 128 # Pixels*Pixels
self.channel0 = 0
self.channel1 = 1
self.device = daqDevice(b'DaqBoard3K0')
self.deviceType = DddtLocal
def __init__(self):
self.amplitude = 0.01
self.frequency = 10000
self.size = 128 # Pixels*Pixels
self.channel0 = 0
self.channel1 = 1
self.device = daqDevice(b'DaqBoard3K0')
self.deviceType = DddtLocal
self.gain = daqh.DgainX1
self.flags = daqh.DafAnalog | daqh.DafUnsigned | daqh.DafBipolar | daqh.DafDifferential
self.max_voltage = 10.0
self.bit_depth = 16
self.img = np.zeros((self.size, self.size, 3), dtype=np.uint8)
def _openDevice(self): self.iotech = daq.daqDevice(self.config.deviceNameStr)
if outSwitch:
dev.DacWt(outType, outChan, outData)
outSwitch = False
else:
dev.DacWt(outType, outChan, 0.0)
outSwitch = True
return outSwitch
def daqInput(dev):
read = dev.AdcRd(inputChan, inputGain, inputFlags)
# The data list is a global variable and can be accessed anywhere.
data.append(read)
try:
# Setup the device.
dev = daq.daqDevice(device_name)
# Timers
for i in range(int(runtime*outFreq)):
outSwitch = daqOutput(dev, outSwitch)
# Execute 10 times, or for 5 seconds then switch the output.
for v in range(int(inputFreq/outFreq)):
daqInput(dev)
time.sleep(1.0/inputFreq)
for i in data:
# Convert sample from unsigned integer value to bipolar voltage.
print(i*max_voltage*2/(2**bit_depth) - max_voltage)
finally:
dev.Close()
