コード例 #1
0
def run_example():
    board_num = 0

    if use_device_detection:
        ul.ignore_instacal()
        if not util.config_first_detected_device(board_num):
            print("Could not find device.")
            return

    ctr_props = CounterProps(board_num)
    if ctr_props.num_chans < 1:
        util.print_unsupported_example(board_num)
        return

    # Use the first counter channel on the board (some boards start channel
    # numbering at 1 instead of 0, CounterProps are used here to find the
    # first one).
    counter_num = ctr_props.counter_info[0].channel_num

    try:
        # Get a value from the device
        value = ul.c_in_32(board_num, counter_num)
        # Display the value
        print("Counter Value: " + str(value))
    except ULError as e:
        util.print_ul_error(e)
    finally:
        if use_device_detection:
            ul.release_daq_device(board_num)
コード例 #2
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    def __init__(self, master=None):
        super(ULCT07, self).__init__(master)

        self.running = False

        self.board_num = 0
        self.ctr_props = CounterProps(self.board_num)

        self.create_widgets()
コード例 #3
0
ファイル: DaqInScan01.py プロジェクト: conandewitt/lotus
    def __init__(self, master=None):
        super(DaqInScan01, self).__init__(master)

        self.board_num = 0
        self.daqi_props = DaqInputProps(self.board_num)
        self.ai_props = AnalogInputProps(self.board_num)
        self.digital_props = DigitalProps(self.board_num)
        self.counter_props = CounterProps(self.board_num)
        self.init_scan_channel_info()

        self.create_widgets()
コード例 #4
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    def __init__(self, master=None):
        super(DaqSetSetpoints01, self).__init__(master)

        self.board_num = 0
        self.daqi_props = DaqInputProps(self.board_num)

        example_supported = (self.daqi_props.is_supported
                             and self.daqi_props.supports_setpoints)
        if example_supported:
            self.ai_props = AnalogInputProps(self.board_num)
            self.digital_props = DigitalProps(self.board_num)
            self.counter_props = CounterProps(self.board_num)
            self.init_scan_channel_info()
            self.init_setpoints()

        self.create_widgets()
コード例 #5
0
def run_example():
    board_num = 0

    if use_device_detection:
        ul.ignore_instacal()
        if not util.config_first_detected_device(board_num):
            print("Could not find device.")
            return

    ctr_props = CounterProps(board_num)

    # Find a pulse timer channel on the board
    first_chan = next(
        (channel for channel in ctr_props.counter_info
         if channel.type == CounterChannelType.CTRPULSE), None)

    if first_chan == None:
        util.print_unsupported_example(board_num)
        return

    timer_num = first_chan.channel_num
    frequency = 100
    duty_cycle = 0.5

    try:
        # Start the pulse timer output (optional parameters omitted)
        actual_frequency, actual_duty_cycle, _ = ul.pulse_out_start(
            board_num, timer_num, frequency, duty_cycle)

        # Print information about the output
        print(
            "Outputting " + str(actual_frequency)
            + " Hz with a duty cycle of " + str(actual_duty_cycle)
            + " to pulse timer channel " + str(timer_num) + ".")

        # Wait for 5 seconds
        time.sleep(5)

        # Stop the pulse timer output
        ul.pulse_out_stop(board_num, timer_num)

        print("Timer output stopped.")
    except ULError as e:
        util.print_ul_error(e)
    finally:
        if use_device_detection:
            ul.release_daq_device(board_num)
コード例 #6
0
ファイル: CInScan02.py プロジェクト: conandewitt/lotus
    def __init__(self, master=None):
        super(CInScan02, self).__init__(master)

        self.board_num = 0
        self.ctr_props = CounterProps(self.board_num)

        chan = next((channel for channel in self.ctr_props.counter_info
                     if channel.type == CounterChannelType.CTRSCAN), None)
        if chan != None:
            self.chan_num = chan.channel_num
        else:
            self.chan_num = -1

        # Initialize tkinter
        self.grid(sticky=tk.NSEW)
        self.grid_columnconfigure(0, weight=1)
        self.grid_rowconfigure(0, weight=1)
        self.create_widgets()
コード例 #7
0
ファイル: CInScan03.py プロジェクト: cullenmq/shearTest
    def __init__(self, master=None):
        super(CInScan03, self).__init__(master)

        self.board_num = 0
        self.ctr_props = CounterProps(self.board_num)

        chan = next((channel for channel in self.ctr_props.counter_info
                     if channel.type == CounterChannelType.CTRQUAD), None)
        if chan == None:
            # Check for scan counters, which may (or may not) support
            # encoder modes
            chan = next((channel for channel in self.ctr_props.counter_info
                         if channel.type == CounterChannelType.CTRSCAN), None)
        if chan != None:
            self.chan_num = chan.channel_num
        else:
            self.chan_num = -1

        self.create_widgets()
コード例 #8
0
ファイル: TimerOutStart01.py プロジェクト: conandewitt/lotus
    def __init__(self, master=None):
        super(TimerOutStart01, self).__init__(master)
        master.protocol("WM_DELETE_WINDOW", self.exit)

        self.board_num = 0
        self.ctr_props = CounterProps(self.board_num)

        # Find the first pulse counter
        first_chan = next((channel for channel in self.ctr_props.counter_info
                           if channel.type == CounterChannelType.CTRTMR), None)
        if first_chan != None:
            last_chan = next(
                (channel for channel in reversed(self.ctr_props.counter_info)
                 if channel.type == CounterChannelType.CTRTMR), None)
            self.first_chan_num = first_chan.channel_num
            self.last_chan_num = last_chan.channel_num
        else:
            self.first_chan_num = -1
            self.last_chan_num = -1

        self.create_widgets()
コード例 #9
0
    def __init__(self, master=None):
        super(CInScan01, self).__init__(master)

        self.board_num = 0
        self.ctr_props = CounterProps(self.board_num)

        min_chan = next((channel for channel in self.ctr_props.counter_info
                         if channel.type == CounterChannelType.CTRSCAN
                         or channel.type == CounterChannelType.CTRQUAD), None)
        if min_chan is not None:
            self.min_chan_num = min_chan.channel_num
        else:
            self.min_chan_num = -1

        max_chan = next((channel
                         for channel in reversed(self.ctr_props.counter_info)
                         if channel.type == CounterChannelType.CTRSCAN
                         or channel.type == CounterChannelType.CTRQUAD), None)
        if max_chan is not None:
            self.max_chan_num = max_chan.channel_num
        else:
            self.max_chan_num = -1

        self.create_widgets()