"""Creating a stream, using digital trigger on D1
(falling edge) to start the experiment"""
from __future__ import print_function
import time
import os
from opendaq import DAQ, ExpMode, Gains, Trigger
# Change here the serial port in which the openDAQ is connected
port = '/dev/ttyUSB0' if os.name == 'posix' else 'COM3'
# Connect to the device
daq = DAQ(port)
# Set Analog voltage
daq.set_analog(0.9)
stream1 = daq.create_stream(ExpMode.ANALOG_IN,
200,
npoints=20,
continuous=False)
stream1.analog_setup(pinput=8, ninput=7, gain=Gains.S.x1)
# Configure trigger (Digital input D1, value = 0 falling edge)
stream1.trigger_setup(Trigger.DIN1, 0)
daq.start()
print("Waiting for trigger...")
while daq.is_measuring:
time.sleep(1)
class MainFrame(wx.Frame):
def __init__(self, port):
self.comunication_thread = None
self.timer_thread = None
wx.Frame.__init__(
self,
None,
title="DAQControl",
style=wx.DEFAULT_FRAME_STYLE
& ~(wx.RESIZE_BORDER | wx.RESIZE_BOX | wx.MAXIMIZE_BOX))
self.daq = DAQ(port)
self.Bind(wx.EVT_CLOSE, self.on_close)
if hasattr(sys, "frozen"):
executable = sys.executable
else:
executable = __file__
icon_path = os.path.join(os.path.dirname(executable), 'resources',
'icon64.ico')
icon = wx.Icon(icon_path, wx.BITMAP_TYPE_ICO)
self.SetIcon(icon)
self.status_bar = self.CreateStatusBar()
self.status_bar.SetFieldsCount(2)
info = self.daq.get_info()
hw_ver = "[M]" if info[0] == 1 else "[S]"
fw_ver = (str(info[1] / 100) + "." + str(
(info[1] / 10) % 10) + "." + str(info[1] % 10))
self.status_bar.SetStatusText("H:%s V:%s" % (hw_ver, fw_ver), 0)
# Here we create a panel and a notebook on the panel
self.p = wx.Panel(self)
self.note_book = wx.Notebook(self.p)
# create the page windows as children of the notebook
self.page_1 = PageOne(self.note_book, info[0], self)
self.page_1.SetBackgroundColour('#ece9d8')
self.page_3 = PageThree(self.note_book, self)
self.page_3.SetBackgroundColour('#ece9d8')
self.page_4 = PageFour(self.note_book, self)
self.page_4.SetBackgroundColour('#ece9d8')
# add the pages to the notebook with the label to show on the tab
self.note_book.AddPage(self.page_1, "Analog I/O")
self.note_book.AddPage(self.page_3, "Digital I/O")
self.note_book.AddPage(self.page_4, "Timer-Counter")
# finally, put the notebook in a sizer for the panel to manage
# the layout
sizer = wx.BoxSizer()
sizer.Add(self.note_book, 1, wx.EXPAND)
self.p.SetSizer(sizer)
self.sizer = sizer
sz = self.page_1.GetSize()
sz[1] += 80
sz[0] += 10
self.SetSize(sz)
self.daq.enable_crc(1)
self.daq.set_analog(0)
self.daq.set_port_dir(0)
def on_close(self, event):
dlg = wx.MessageDialog(
self, "Do you really want to close this application?",
"Confirm Exit", wx.OK | wx.CANCEL | wx.ICON_QUESTION)
result = dlg.ShowModal()
dlg.Destroy()
if result == wx.ID_OK:
self.comunication_thread.stop_thread()
self.timer_thread.stop_thread()
self.Destroy()
self.daq.close()
def show_error_parameters(self):
dlg = wx.MessageDialog(self, "Verify parameters", "Error!",
wx.OK | wx.ICON_WARNING)
dlg.ShowModal()
dlg.Destroy()
def daq_error(self, number=0, foo=0):
error_str = ("DAQ invokes an error. Line number:" + str(number) +
" in " + foo + " function.")
dlg = wx.MessageDialog(self, error_str, "Error!",
wx.OK | wx.ICON_WARNING)
dlg.ShowModal()
dlg.Destroy()
from opendaq import DAQ
dq = DAQ("COM3")
dq.set_analog(1)
dq.device_info()
print dq.read_all()
daq.read_adc()
period = 0.05
# Initiate plot:
fig = plt.figure()
plt.ion()
plt.show()
# initiate lists
t = []
data = []
for i in range(50):
try:
daq.set_analog(i / 50.0 + .5) # we will plot a ramp line
data.append(daq.read_analog()) # add a new point to the plot
t.append(period * i) # update time list
print(i, data[i])
plt.plot(t, data, color="blue", linewidth=2.5, linestyle="-")
plt.draw()
sleep(period) # wait for next point
except KeyboardInterrupt:
break
plt.close()
daq.close()
"""Drawing a simple chart in stream mode""" import os import time import matplotlib.pyplot as plt from opendaq import DAQ, ExpMode, Gains # Change here the serial port in which the openDAQ is connected port = '/dev/ttyUSB0' if os.name == 'posix' else 'COM3' # Connect to the device daq = DAQ(port) daq.set_analog(1) # set a fix voltage # Configure the experiment data_rate = 200 stream = daq.create_stream(ExpMode.ANALOG_IN, data_rate, continuous=True) stream.analog_setup(pinput=8, gain=Gains.S.x1) # Initiate lists and variables t0 = 0.0 t = [] data = [] # Initiate the plot fig = plt.figure() plt.ion() plt.show() # start the experiment
class MainFrame(wx.Frame):
def __init__(self, port):
self.comunication_thread = None
self.timer_thread = None
wx.Frame.__init__(
self, None, title="DAQControl",
style=wx.DEFAULT_FRAME_STYLE &
~(wx.RESIZE_BORDER | wx.RESIZE_BOX | wx.MAXIMIZE_BOX))
self.daq = DAQ(port)
self.Bind(wx.EVT_CLOSE, self.on_close)
if hasattr(sys, "frozen"):
executable = sys.executable
else:
executable = __file__
icon_path = os.path.join(
os.path.dirname(executable), 'resources', 'icon64.ico')
icon = wx.Icon(icon_path, wx.BITMAP_TYPE_ICO)
self.SetIcon(icon)
self.status_bar = self.CreateStatusBar()
self.status_bar.SetFieldsCount(2)
info = self.daq.get_info()
hw_ver = "[M]" if info[0] == 1 else "[S]"
fw_ver = (
str(info[1] / 100) + "." + str((info[1] / 10) % 10) + "." +
str(info[1] % 10))
self.status_bar.SetStatusText("H:%s V:%s" % (hw_ver, fw_ver), 0)
# Here we create a panel and a notebook on the panel
self.p = wx.Panel(self)
self.note_book = wx.Notebook(self.p)
# create the page windows as children of the notebook
self.page_1 = PageOne(self.note_book, info[0], self)
self.page_1.SetBackgroundColour('#ece9d8')
self.page_3 = PageThree(self.note_book, self)
self.page_3.SetBackgroundColour('#ece9d8')
self.page_4 = PageFour(self.note_book, self)
self.page_4.SetBackgroundColour('#ece9d8')
# add the pages to the notebook with the label to show on the tab
self.note_book.AddPage(self.page_1, "Analog I/O")
self.note_book.AddPage(self.page_3, "Digital I/O")
self.note_book.AddPage(self.page_4, "Timer-Counter")
# finally, put the notebook in a sizer for the panel to manage
# the layout
sizer = wx.BoxSizer()
sizer.Add(self.note_book, 1, wx.EXPAND)
self.p.SetSizer(sizer)
self.sizer = sizer
sz = self.page_1.GetSize()
sz[1] += 80
sz[0] += 10
self.SetSize(sz)
self.daq.enable_crc(1)
self.daq.set_analog(0)
self.daq.set_port_dir(0)
def on_close(self, event):
dlg = wx.MessageDialog(
self, "Do you really want to close this application?",
"Confirm Exit", wx.OK | wx.CANCEL | wx.ICON_QUESTION)
result = dlg.ShowModal()
dlg.Destroy()
if result == wx.ID_OK:
self.comunication_thread.stop_thread()
self.timer_thread.stop_thread()
self.Destroy()
self.daq.close()
def show_error_parameters(self):
dlg = wx.MessageDialog(
self, "Verify parameters", "Error!", wx.OK | wx.ICON_WARNING)
dlg.ShowModal()
dlg.Destroy()
def daq_error(self, number=0, foo=0):
error_str = (
"DAQ invokes an error. Line number:" + str(number) + " in " + foo +
" function.")
dlg = wx.MessageDialog(
self, error_str, "Error!", wx.OK | wx.ICON_WARNING)
dlg.ShowModal()
dlg.Destroy()