From bc6a25f26814893dd1292a49f9ac12cb07c8b3cf Mon Sep 17 00:00:00 2001
From: su530201 <olivier.kaufmann@umons.ac.be>
Date: Sat, 15 Apr 2023 22:45:41 +0200
Subject: [PATCH] Adds a plot
---
test_measure_with_ohmpi_card_3_15.py | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/test_measure_with_ohmpi_card_3_15.py b/test_measure_with_ohmpi_card_3_15.py
index 925f91d0..d2cace30 100644
--- a/test_measure_with_ohmpi_card_3_15.py
+++ b/test_measure_with_ohmpi_card_3_15.py
@@ -5,11 +5,8 @@ change_config('config_ohmpi_card_3_15.py', verbose=False)
from OhmPi.measure import OhmPiHardware
k = OhmPiHardware()
-k._vab_pulse(vab=12, length=1., sampling_rate=10., polarity=1)
+k._vab_pulse(vab=12, length=1., sampling_rate=k.tx.sampling_rate, polarity=1)
r = k.readings[:,2]/k.readings[:,1]
print(f'Mean resistance: {np.mean(r):.3f} Ohms, Dev. {100*np.std(r)/np.mean(r):.1f} %')
-fig, ax = plt.subplots()
-ax.plot(k.readings[:,0], k.readings[:, 1], '-r', label='current')
-ax2 = ax.twinx()
-ax.plot(k.readings[:,0], k.readings[:, 2], '-b', label='voltage')
+print(f'sampling rate: {k.tx.sampling_rate:.1f} ms, mean sample spacing: {np.mean(np.diff(k.readings[:,0]))*1000.:.1f} ms')
change_config('config_default.py', verbose=False)
--
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