def test_continuous_swtrigger(test_dur=3):
interr = Interrogator()
interr.connect()
interr.create_sensors_from_file("test/fbg_properties.json")
interr.trig_mode = "software"
interr.trig_start_edge = "rising"
interr.trig_stop_type = "edge"
interr.trig_stop_edge = "rising"
interr.auto_retrig = False
print(interr.trig_mode)
print(interr.trig_stop_type)
interr.sw_trig_start()
interr.zero_strain_sensors()
data = interr.data
interr.setup_append_data()
t0 = time.time()
while time.time() - t0 < test_dur:
interr.get_data()
interr.sleep()
t = data["time"]
data2 = data[interr.sensors[1].name + "_wavelength"]
try:
data2 -= data2[0]
except IndexError:
pass
plt.figure()
plt.plot(t, data2)
plt.xlabel("t (s)")
plt.ylabel("Wavelength (nm)")
print(interr.data_header)
interr.sw_trig_stop()
interr.disconnect()
return data
def test_num_acq_swtrigger(test_dur=3):
interr = Interrogator()
interr.connect()
interr.data_rate_divider = 1
interr.create_sensors_from_file("test/fbg_properties.json")
interr.zero_strain_sensors()
interr.flush_buffer()
interr.trig_mode = "software"
interr.trig_start_edge = "falling"
interr.trig_stop_type = "num_acq"
interr.trig_num_acq = 1000
interr.trig_stop_edge = "rising"
interr.auto_retrig = False
interr.setup_append_data()
data = interr.data
interr.sw_trig_start()
t0 = time.time()
while time.time() - t0 < test_dur:
interr.get_data()
interr.sleep()
t = data["time"]
data2 = data[interr.sensors[1].name + "_strain"]
try:
data2 -= data2[0]
except IndexError:
pass
plt.figure()
plt.plot(t, data2)
plt.xlabel("t (s)")
plt.ylabel("T (deg. C)")
print(interr.data_header)
interr.sw_trig_stop()
interr.disconnect()
return data