Examples¶
You can download all nidmm examples here
nidmm_fetch_waveform.py¶
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | #!/usr/bin/python import argparse import nidmm import sys import time def example(resource_name, options, function, range, points, rate): with nidmm.Session(resource_name=resource_name, options=options) as session: session.configure_waveform_acquisition(measurement_function=nidmm.Function[function], range=range, rate=rate, waveform_points=points) with session.initiate(): while True: time.sleep(0.1) backlog, acquisition_state = session.read_status() if acquisition_state == nidmm.AcquisitionStatus.FINISHED_WITH_NO_BACKLOG: break measurements = session.fetch_waveform(array_size=backlog) print(measurements) def _main(argsv): parser = argparse.ArgumentParser(description='Performs a waveform acquisition using the NI-DMM API.', formatter_class=argparse.ArgumentDefaultsHelpFormatter) parser.add_argument('-n', '--resource-name', default='PXI1Slot2', help='Resource name of an NI digital multimeter.') parser.add_argument('-f', '--function', default='WAVEFORM_VOLTAGE', choices=nidmm.Function.__members__.keys(), type=str.upper, help='Measurement function.') parser.add_argument('-r', '--range', default=10, type=float, help='Measurement range.') parser.add_argument('-p', '--points', default=10, type=int, help='Specifies the number of points to acquire before the waveform acquisition completes.') parser.add_argument('-s', '--rate', default=1000, type=int, help='Specifies the rate of the acquisition in samples per second.') parser.add_argument('-op', '--option-string', default='', type=str, help='Option string') args = parser.parse_args(argsv) example(args.resource_name, args.option_string, args.function, args.range, args.points, args.rate) def main(): _main(sys.argv[1:]) def test_example(): options = {'simulate': True, 'driver_setup': {'Model': '4082', 'BoardType': 'PXIe', }, } example('PXI1Slot2', options, 'WAVEFORM_VOLTAGE', 10, 10, 1000) def test_main(): cmd_line = ['--option-string', 'Simulate=1, DriverSetup=Model:4082; BoardType:PXIe', ] _main(cmd_line) if __name__ == '__main__': main() |
nidmm_measurement.py¶
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #!/usr/bin/python import argparse import nidmm import sys def example(resource_name, option_string, function, range, digits): with nidmm.Session(resource_name=resource_name, options=option_string) as session: session.configure_measurement_digits(measurement_function=nidmm.Function[function], range=range, resolution_digits=digits) print(session.read()) def _main(argsv): supported_functions = list(nidmm.Function.__members__.keys()) parser = argparse.ArgumentParser(description='Performs a single measurement using the NI-DMM API.', formatter_class=argparse.ArgumentDefaultsHelpFormatter) parser.add_argument('-n', '--resource-name', default='PXI1Slot2', help='Resource name of an NI digital multimeter.') parser.add_argument('-f', '--function', default=supported_functions[0], choices=supported_functions, type=str.upper, help='Measurement function.') parser.add_argument('-r', '--range', default=10, type=float, help='Measurement range.') parser.add_argument('-d', '--digits', default=6.5, type=float, help='Digits of resolution for the measurement.') parser.add_argument('-op', '--option-string', default='', type=str, help='Option string') args = parser.parse_args(argsv) example(args.resource_name, args.option_string, args.function, args.range, args.digits) def main(): _main(sys.argv[1:]) def test_example(): options = {'simulate': True, 'driver_setup': {'Model': '4082', 'BoardType': 'PXIe', }, } example('PXI1Slot2', options, 'DC_VOLTS', 10, 6.5) def test_main(): cmd_line = ['--option-string', 'Simulate=1, DriverSetup=Model:4082; BoardType:PXIe', ] _main(cmd_line) if __name__ == '__main__': main() |
nidmm_multi_point_measurement.py¶
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | #!/usr/bin/python import argparse import nidmm import sys def example(resource_name, options, function, range, digits, samples, triggers): with nidmm.Session(resource_name=resource_name, options=options) as session: session.configure_measurement_digits(measurement_function=nidmm.Function[function], range=range, resolution_digits=digits) session.configure_multi_point(trigger_count=triggers, sample_count=samples) measurements = session.read_multi_point(array_size=samples) print('Measurements: ', measurements) def _main(argsv): parser = argparse.ArgumentParser(description='Performs a multipoint measurement using the NI-DMM API.', formatter_class=argparse.ArgumentDefaultsHelpFormatter) parser.add_argument('-n', '--resource-name', default='PXI1Slot2', help='Resource name of an NI digital multimeter.') parser.add_argument('-f', '--function', default='DC_VOLTS', choices=nidmm.Function.__members__.keys(), type=str.upper, help='Measurement function.') parser.add_argument('-r', '--range', default=10, type=float, help='Measurement range.') parser.add_argument('-d', '--digits', default=6.5, type=float, help='Digits of resolution for the measurement.') parser.add_argument('-s', '--samples', default=10, type=int, help='The number of measurements the DMM makes.') parser.add_argument('-t', '--triggers', default=1, type=int, help='Sets the number of triggers you want the DMM to receive before returning to the Idle state.') parser.add_argument('-op', '--option-string', default='', type=str, help='Option string') args = parser.parse_args(argsv) example(args.resource_name, args.option_string, args.function, args.range, args.digits, args.samples, args.triggers) def main(): _main(sys.argv[1:]) def test_example(): options = {'simulate': True, 'driver_setup': {'Model': '4082', 'BoardType': 'PXIe', }, } example('PXI1Slot2', options, 'DC_VOLTS', 10, 6.5, 10, 1) def test_main(): cmd_line = ['--option-string', 'Simulate=1, DriverSetup=Model:4082; BoardType:PXIe', ] _main(cmd_line) if __name__ == '__main__': main() |