def open(self): # Connects to the hardware
print "Connecting to %s\n\n" % self.devName
handle = daq.Open(self.devName) # Open device
if handle == -1:
print "Cannot connect to device\n"
print "Exit"
sys.exit(handle)
return handle
#
# This example demonstrates using the timer output on P3 DaqBoard3000
# to generate signals. Timer 0 will be a 1kHz Pulse Train, timer
# 1 will be 50kHz
# from IO import *
import time
import msvcrt
import daqx as daq
import daqxh as daqh
FREQ_DIV0 = 999 # for 1KHz
FREQ_DIV1 = 19 # for 50 KHz
handle = daq.Open('DaqBoard3K0')
#settings for timer 0
daq.SetOption(handle, 0, daqh.DcofChannel, daqh.DcotTimerDivisor, FREQ_DIV0)
#settings for timer 1
daq.SetOption(handle, 1, daqh.DcofChannel, daqh.DcotTimerDivisor, FREQ_DIV1)
#turn on both timers simultaneously
daq.SetOption(handle, 0, daqh.DcofModule, daqh.DmotTimerControl, daqh.DcovTimerOn)
print "Signals currently being output...\nPress <Enter> to quit"
#while not msvcrt.kbhit():
# time.sleep(10)
time.sleep(10)
RATE = 100 #Hz
#used to configure scan
buffer = np.zeros((SCANS * CHANCOUNT, ),
dtype=np.uint16) #WORD buffer[SCANS*CHANCOUNT];
gains = [DgainDbd3kX1] #gains[0] = DgainDbd3kX1; #gain of X1
channels = [0] #channels[0] = 0; #select channel 0
flags = [DafBipolar] #flags[0] = DafBipolar; #select Bipolar mode
# This is the default name for a DaqBoard3000 when configured through the
# Control Panel Applet. If you have named your device differently than the default,
# it must be changed here for this example to function.
devName = daq.GetDeviceList()[0] #find 1st IOtech device
print "Connected to %s\n\n" % devName
handle = daq.Open(devName)
if handle == -1:
print "Cannot conncet to device\n"
print "Exit"
sys.exit(handle)
print "Setting up scan...\n"
daq.AdcSetAcq(handle, DaamNShot, 0, SCANS)
#Scan settings
daq.AdcSetScan(handle, channels, gains, flags)
#set scan rate
daq.AdcSetFreq(handle, RATE)
#Set buffer location, size and flag settings
daq.AdcTransferSetBuffer(handle, buffer, SCANS, CHANCOUNT,
DatmUpdateSingle + DatmCycleOff)