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"""
Tinymovr Board Config Tests
Copyright Ioannis Chatzikonstantinou 2020-2023
Tests saving and loading Tinymovr configuration to/from NVRAM.
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
"""
import random
import time
from avlos.unit_field import get_registry
import unittest
import pytest
from tests import TMTestCase
ureg = get_registry()
A = ureg.ampere
tick = ureg.ticks
s = ureg.second
tsleep = 1.00
def set_pole_pairs(tm):
tm.motor.pole_pairs = 15
class TestHall(TMTestCase):
@pytest.mark.sensor_hall
def test_a_position_control_w_loaded_config(self):
"""
Test position control after saving and loading config.
WARNING: This will perform one NVRAM write and two erase cycles.
"""
self.check_state(0)
self.tm.erase_config()
time.sleep(0.2)
self.tm.sensors.select.position_sensor.connection = self.tm.sensors.select.position_sensor.connection.HALL
self.tm.sensors.select.commutation_sensor.connection = self.tm.sensors.select.commutation_sensor.connection.HALL
# Commutation sensor remains internal
self.tm.sensors.select.position_sensor.bandwidth = 50;
self.tm.sensors.select.commutation_sensor.bandwidth = 80;
time.sleep(0.2)
self.try_calibrate(precheck_callback=set_pole_pairs)
self.tm.controller.position.p_gain = 15
self.tm.controller.velocity.limit = 400000
self.tm.controller.velocity.p_gain = 1e-5
self.tm.controller.velocity.i_gain = 0
self.tm.controller.position_mode()
self.check_state(2)
for _ in range(5):
new_pos = random.uniform(-200000, 200000)
self.tm.controller.position.setpoint = new_pos * tick
time.sleep(tsleep)
self.assertAlmostEqual(
self.tm.sensors.user_frame.position_estimate,
self.tm.controller.position.setpoint,
delta=30000 * tick,
)
self.tm.controller.idle()
time.sleep(0.1)
self.tm.save_config()
time.sleep(0.2)
self.reset_and_wait()
self.tm.controller.position_mode()
self.check_state(2)
for _ in range(10):
new_pos = random.uniform(-200000, 200000)
self.tm.controller.position.setpoint = new_pos * tick
time.sleep(tsleep)
self.assertAlmostEqual(
self.tm.sensors.user_frame.position_estimate,
self.tm.controller.position.setpoint,
delta=30000 * tick,
)
self.tm.erase_config()
time.sleep(0.2)
if __name__ == "__main__":
unittest.main()