From e6021cb3299f3dbda53aa60f48aea9b181789309 Mon Sep 17 00:00:00 2001 From: su530201 <olivier.kaufmann@umons.ac.be> Date: Mon, 9 Oct 2023 11:15:35 +0200 Subject: [PATCH] Updates ohmpi to handle no mux case --- configs/config_mb_2024_1_mux_2024.py | 6 +-- dev/test_mb_2024_0_mux_2024.py | 75 ++++++++++++++++++++++++++++ ohmpi/ohmpi.py | 5 +- 3 files changed, 82 insertions(+), 4 deletions(-) create mode 100644 dev/test_mb_2024_0_mux_2024.py diff --git a/configs/config_mb_2024_1_mux_2024.py b/configs/config_mb_2024_1_mux_2024.py index 1ce2e8cc..69393b24 100644 --- a/configs/config_mb_2024_1_mux_2024.py +++ b/configs/config_mb_2024_1_mux_2024.py @@ -20,14 +20,14 @@ OHMPI_CONFIG = { HARDWARE_CONFIG = { 'ctl': {'model': 'raspberry_pi'}, 'pwr': {'model': 'pwr_batt', 'voltage': 12.}, - 'tx': {'model': 'mb_2023_0_X', + 'tx': {'model': 'mb_2024_0_X', 'voltage_max': 12., # Maximum voltage supported by the TX board [V] 'adc_voltage_max': 4800., # Maximum voltage read by the current ADC on the TX board [mA] 'r_shunt': 2., # Shunt resistance in Ohms 'interface_name': 'i2c', }, - 'rx': {'model': 'mb_2023_0_X', - 'coef_p2': 2.50, # slope for conversion for ADS, measurement in V/V + 'rx': {'model': 'mb_2024_0_X', + 'coef_p2': 1.0, # slope for conversion for ADS, measurement in V/V 'sampling_rate': 50., # number of samples per second 'interface_name': 'i2c', }, diff --git a/dev/test_mb_2024_0_mux_2024.py b/dev/test_mb_2024_0_mux_2024.py new file mode 100644 index 00000000..5205f2bb --- /dev/null +++ b/dev/test_mb_2024_0_mux_2024.py @@ -0,0 +1,75 @@ +import time +from ohmpi.utils import change_config +from ohmpi.plots import plot_exec_log +import logging +change_config('../configs/config_mb_2024.py', verbose=False) +# from ohmpi.hardware_components.mux_2024_0_X import Mux +from ohmpi.hardware_components import raspberry_pi as ctl_module +from ohmpi.config import HARDWARE_CONFIG +MUX_CONFIG = HARDWARE_CONFIG['mux'] + + +stand_alone_mux = False +part_of_hardware_system = False +within_ohmpi = True +# Stand alone mux +if stand_alone_mux: + mux_id = 'mux_00' + 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 = (32, 29, 31, 30) + k.reset_mux() + #k._hw.switch_mux([A, B, M, N], state='on') + #k._hw.vab_square_wave(12.,1., 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 + #k._hw.rx._bias = -1.38 + #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() + A, B, M, N = (28, 25, 27, 26) + # k._hw.switch_mux([A, B, M, N], state='on') + # k._hw.vab_square_wave(12., cycle_duration=10., cycles=3) + # k._hw.switch_mux([A, B, M, N], state='off') + # print(f'OhmPiHardware 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() + print('using OhmPi') + d = k.run_measurement([A, B, M, N], injection_duration=1., nb_stack=2, duty_cycle=0.5) + print(d) + #k._hw._plot_readings() + print(f'OhmPiHardware: Resistance: {k._hw.last_rho :.2f} ohm, dev. {k._hw.last_dev:.2f} %, sp: {k._hw.sp:.2f} mV, rx bias: {k._hw.rx._bias:.2f} mV') + print(f'OhmPi: Resistance: {d["R [ohm]"] :.2f} ohm, dev. {d["R_std [%]"]:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV') + k._hw._plot_readings(save_fig=False) + # plot_exec_log('ohmpi/logs/exec.log') +change_config('../configs/config_default.py', verbose=False) \ No newline at end of file diff --git a/ohmpi/ohmpi.py b/ohmpi/ohmpi.py index c176d901..44c70738 100644 --- a/ohmpi/ohmpi.py +++ b/ohmpi/ohmpi.py @@ -789,7 +789,10 @@ class OhmPi(object): self.exec_logger.debug(f'tx pwr voltage: {self._hw.tx.pwr.voltage}, rx max voltage: {self._hw.rx._voltage_max}') return False else: - return self._hw.switch_mux(electrodes=quadrupole, state='on', bypass_check=bypass_check) + if quadrupole == [0, 0, 0, 0]: # NOTE: No mux + return True + else: + return self._hw.switch_mux(electrodes=quadrupole, state='on', bypass_check=bypass_check) def switch_mux_off(self, quadrupole, cmd_id=None): """Switches off multiplexer relays for given quadrupole. -- GitLab