def test_synchronize_timedelta(self):
min_time = datetime.timedelta(seconds=0.042)
self.patched_library.niTClk_Synchronize.side_effect = self.side_effects_helper.niTClk_Synchronize
nitclk.synchronize(multiple_session_references, min_time)
self.patched_library.niTClk_Synchronize.assert_called_once_with(
_matchers.ViUInt32Matcher(len(multiple_sessions)),
_matchers.ViSessionBufferMatcher(multiple_sessions),
_matchers.ViReal64Matcher(min_time.total_seconds()))
return
def test_synchronize(self):
min_time = 0.042
self.patched_library.niTClk_Synchronize.side_effect = self.side_effects_helper.niTClk_Synchronize
nitclk.synchronize(multiple_sessions, min_time)
self.patched_library.niTClk_Synchronize.assert_called_once_with(
_matchers.ViUInt32Matcher(len(multiple_sessions)),
_matchers.ViSessionBufferMatcher(multiple_sessions),
_matchers.ViReal64Matcher(min_time))
return
def test_api_get_error_description_fails(self):
self.patched_library.niTClk_Synchronize.side_effect = self.side_effects_helper.niTClk_Synchronize
self.side_effects_helper['Synchronize']['return'] = -1
self.patched_library.niTClk_GetExtendedErrorInfo.side_effect = self.side_effects_helper.niTClk_GetExtendedErrorInfo
self.side_effects_helper['GetExtendedErrorInfo']['return'] = -2
try:
nitclk.synchronize(multiple_session_references, 0.42)
except nitclk.Error as e:
assert e.code == -1 # we want the original error code from getting the attribute.
assert e.description == "Failed to retrieve error description."
def test_api_error(self):
error_string = 'Error'
self.patched_library.niTClk_Synchronize.side_effect = self.side_effects_helper.niTClk_Synchronize
self.side_effects_helper['Synchronize']['return'] = -1
self.patched_library.niTClk_GetExtendedErrorInfo.side_effect = self.side_effects_helper.niTClk_GetExtendedErrorInfo
self.side_effects_helper['GetExtendedErrorInfo']['errorString'] = error_string
try:
nitclk.synchronize(multiple_session_references, 0.42)
except nitclk.Error as e:
assert e.code == -1
assert e.description == error_string
def example(resource_name1, resource_name2, options):
with niscope.Session(resource_name=resource_name1,
options=options) as session1, niscope.Session(
resource_name=resource_name2,
options=options) as session2:
session_list = [session1, session2]
for session in session_list:
session.configure_vertical(range=1.0,
coupling=niscope.VerticalCoupling.DC)
session.configure_horizontal_timing(min_sample_rate=50000000,
min_num_pts=1000,
ref_position=50.0,
num_records=1,
enforce_realtime=True)
session1.trigger_type = niscope.TriggerType.SOFTWARE
nitclk.configure_for_homogeneous_triggers(session_list)
nitclk.synchronize(session_list, 200e-9)
nitclk.initiate(session_list)
time.sleep(100)
session1.send_software_trigger_edge(niscope.WhichTrigger.START)
waveforms = session2.channels[0].fetch(num_samples=1000)
for i in range(len(waveforms)):
print('Waveform {0} information:'.format(i))
print(str(waveforms[i]) + '\n\n')
def test_nitclk_is_done(multiple_niscope_sessions):
nitclk.configure_for_homogeneous_triggers(multiple_niscope_sessions)
nitclk.synchronize(multiple_niscope_sessions, .001)
nitclk.initiate(multiple_niscope_sessions)
nitclk.is_done(multiple_niscope_sessions)