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Olivier Kaufmann authored1be6857b
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import time
from ohmpi.utils import change_config
from ohmpi.plots import plot_exec_log
import logging
change_config('../configs/config_mb_2023_3_mux_2024.py', verbose=False)
from ohmpi.hardware_components.mux_2024_rev_0_0 import Mux, MUX_CONFIG
from ohmpi.hardware_components import raspberry_pi_i2c as ctl_module
from ohmpi.config import HARDWARE_CONFIG
stand_alone_mux = False
part_of_hardware_system = False
within_ohmpi = True
# Stand alone mux
if stand_alone_mux:
mux_id = 'mux_04'
first = 24
print(MUX_CONFIG)
MUX_CONFIG.update(HARDWARE_CONFIG['mux']['boards'][mux_id])
MUX_CONFIG.update({'id': mux_id})
MUX_CONFIG['ctl'] = ctl_module.Ctl()
mux = Mux(**MUX_CONFIG)
mux.switch_one(elec=1+first, role='M', state='on')
time.sleep(1)
mux.switch_one(elec=1+first, role='M', state='off')
mux.switch({'A': [1], 'B': [2], 'M': [3], 'N': [4]}, state='on')
time.sleep(2)
# mux.switch({'A': [1], 'B': [4], 'M': [2], 'N': [3]}, state='off')
mux.reset()
mux.test({'A': [i+first for i in range(1, 9)], 'B': [i+first for i in range(1, 9)],
'M': [i+first for i in range(1, 9)], 'N': [i+first for i in range(1, 9)]}, activation_time=.1)
# mux as part of a OhmPiHardware system
if part_of_hardware_system:
from ohmpi.hardware_system import OhmPiHardware
print('Starting test of mux as part of a OhmPiHardware system.')
k = OhmPiHardware()
k.exec_logger.setLevel(logging.DEBUG)
# Test mux switching
k.reset_mux()
k.switch_mux(electrodes=[1, 4, 2, 3], roles=['A', 'B', 'M', 'N'], state='on')
time.sleep(1.)
k.switch_mux(electrodes=[1, 4, 2, 3], roles=['A', 'B', 'M', 'N'], state='off')
if within_ohmpi:
from ohmpi.ohmpi import OhmPi
print('Starting test of mux within OhmPi.')
k = OhmPi()
A, B, M, N = (25, 28, 27, 26)
k.reset_mux()
k._hw.switch_mux([A, B, M, N], state='on')
k._hw.vab_square_wave(12.,12., cycles=2)
k._hw.switch_mux([A, B, M, N], state='off')
k._hw.calibrate_rx_bias() # electrodes 1 4 2 3 should be connected to a reference circuit
# print(f'Resistance: {k._hw.last_rho :.2f} ohm, dev. {k._hw.last_dev:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
# k._hw._plot_readings()
k._hw.switch_mux([10, 13, 12, 11], state='on')
k._hw.vab_square_wave(vab=12., cycle_duration=12., cycles=2)
k._hw.switch_mux([10, 13, 12, 11], state='off')
print(f'Resistance: {k._hw.last_rho :.2f} ohm, dev. {k._hw.last_dev:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
k._hw._plot_readings()
plot_exec_log('ohmpi/logs/exec.log')
change_config('../configs/config_default.py', verbose=False)