update last version with nex examples

config.py

@@ -23,7 +23,7 @@ OHMPI_CONFIG = {
     'board_addresses': {'A': 0x73, 'B': 0x72, 'M': 0x71, 'N': 0x70},  # CHECK IF YOUR BOARDS HAVE THESE ADDRESSES
     'settings': 'ohmpi_settings.json',  # INSERT YOUR FAVORITE SETTINGS FILE HERE
     'board_version': 'mb.2023.0.0',#,'22.10',
-    'mcp_board_address': 0x20,
+    'mcp_board_address': 0x21,
     'i2c_mux_address': 2  # 2 if on same bus as the measurement board, 4 if additional bus
 
 }  # TODO: add a dictionary with INA models and associated gain values

examples/NW_example_sequence.py

+"""
+Created on  May 23 2023
+@author: reclement
+Simple quadripole measurement with fullwave graph
+"""
+
+
+import sys
+import os
+os.chdir("/home/pi/OhmPi")
+
+sys.path.append("/home/pi/OhmPi")
+from ohmpi import OhmPi
+### Define object from class OhmPi
+k = OhmPi(use_mux=True, idps=True)
+### Update settings if needed 
+k.update_settings({"nb_electrodes": 64})
+k.update_settings({"injection_duration":0.5})
+k.update_settings({"nb_stack": 3})
+### Reset mux
+k.reset_mux()
+### Load Sequence
+k.load_sequence('ABMN.txt')
+k.run_sequence(tx_volt = 5, strategy = 'constant', autogain=True, duty_cycle = 0.5, best_tx_injtime = 0.150, plot_realtime_fulldata=False)
\ No newline at end of file

examples/NW_example_simple_measurement.py

+"""
+Created on  May 23 2023
+@author: reclement
+Simple quadripole measurement with fullwave graph
+"""
+import os
+import numpy as np
+import time
+import matplotlib.pyplot as plt
+os.chdir("/home/pi/OhmPi")
+import sys
+sys.path.append("/home/pi/OhmPi")
+from ohmpi import OhmPi
+### Define object from class OhmPi
+k = OhmPi(use_mux=True, idps=True)
+### Update settings if needed 
+k.update_settings({"nb_electrodes": 64})
+k.update_settings({"injection_duration":0.5})
+k.update_settings({"nb_stack": 3})
+### Reset mux
+k.reset_mux()
+### switch_mux_on on the selected quadrupole
+k.switch_mux_on([1,4,2,3])
+### run_measurement
+#to measure Rho and IP duty_cycle=0.5
+#to measure only Rho duty cycle = 0.98 , NEVERS WRITE 1
+out = k.run_measurement(quad=[1,4,2,3], tx_volt = 10, strategy = 'constant', autogain=True, duty_cycle = 0.5, best_tx_injtime = 0.150)
+### switch_mux_off on the selected quadrupole
+#k.switch_mux_off([19,22,20,21])
+### Save all data on txt file
+k.append_and_save('simple_measurement.csv', out)
+### Plot de result
+data = out['fulldata']
+inan = ~np.isnan(data[:,0])
+fig, axs = plt.subplots(2, 1, sharex=True)
+ax = axs[0]
+ax.plot(data[inan,2], data[inan,0], 'r.-', label='current [mA]')
+ax.set_ylabel('Current AB [mA]')
+ax = axs[1]
+ax.plot(data[inan,2], data[inan,1], '.-', label='voltage [mV]')
+# ax.plot(data[inan,2], data[inan,3], '.-', label='voltage U0 [mV]')
+# ax.plot(data[inan,2], data[inan,4], '.-', label='voltage U2 [mV]')
+ax.set_ylabel('Voltage MN [mV]')
+ax.set_xlabel('Time [s]')
+ax.legend()
+
+plt.grid(True)
+plt.show()
+
+
+

examples/example_simple_measurement.py

-import os
-import numpy as np
-import time
-os.chdir("/home/pi/OhmPi")
-from ohmpi import OhmPi
-
-### Define object from class OhmPi
-k = OhmPi()
-
-### Update settings if needed 
-k.update_settings({"injection_duration":0.2})
-
-### Set or load sequence
-k.sequence = np.array([[1,2,3,4]])    # set numpy array of shape (n,4)
-# k.set_sequence('1 2 3 4\n2 3 4 5')    # call function set_sequence and pass a string
-# k.load_sequence('ABMN.txt')    # load sequence from a local file
-
-### Run contact resistance check
-# k.rs_check()
-
-### Run sequence
-k.run_sequence()
-# k.run_sequence_async()
-# time.sleep(2)
-# k.interrupt()
\ No newline at end of file

requirements.txt

@@ -3,9 +3,11 @@ adafruit-blinka
 adafruit-circuitpython-ads1x15
 adafruit-circuitpython-tca9548a
 adafruit-circuitpython-mcp230xx
+adafruit_extended_bus
 minimalmodbus
 gpiozero
 numpy
 paho-mqtt
 termcolor
 pandas
+matplotlib