hitl_tester.test_cases.bms.test_20s_charge

The test should sample current via the DMM at some desired rate and output a CSV with timestamp & current.

Add a rigol DMM in series with the positive terminal of the pack and collect AC current data while charging

Wrike: https://www.wrike.com/open.htm?id=1327092188 git: https://github.com/turnaroundfactor/HITL/issues/234

Used in these test plans:

20s_charge ⠀⠀⠀(bms/20s_charge.plan)

Example Command (warning: test plan may run other test cases):

./hitl_tester.py 20s_charge -DSAMPLE_RATE=1

View Source

 1"""
 2The test should sample current via the DMM at some desired rate and output a CSV with timestamp & current.
 3
 4Add a rigol DMM in series with the positive terminal of the pack and collect AC current data while charging
 5
 6Wrike: https://www.wrike.com/open.htm?id=1327092188
 7git: https://github.com/turnaroundfactor/HITL/issues/234
 8"""
 9
10import time
11
12import pytest
13
14from hitl_tester.modules.bms.bms_hw import BMSHardware
15from hitl_tester.modules.bms.plateset import Plateset
16from hitl_tester.modules.logger import logger
17
18SAMPLE_RATE = 1
19
20bms_hardware = BMSHardware(pytest.flags)  # type: ignore[arg-type]
21bms_hardware.init()
22plateset = Plateset()
23
24
25def test_record_current():
26    """Record AC current data until killed."""
27    start_time = time.perf_counter()
28    while True:
29        bms_hardware.csv.dmm_ac.record(
30            elapsed_time := time.perf_counter() - start_time, current := bms_hardware.dmm.amps_ac
31        )
32        logger.write_info_to_report(f"Elapsed Time(s): {elapsed_time:.3f}, AC Current(A): {current}")
33        time.sleep(SAMPLE_RATE)

SAMPLE_RATE = 1

bms_hardware = <hitl_tester.modules.bms.bms_hw.BMSHardware object>

plateset = <hitl_tester.modules.bms.plateset.Plateset object>

def test_record_current(): View Source

26def test_record_current():
27    """Record AC current data until killed."""
28    start_time = time.perf_counter()
29    while True:
30        bms_hardware.csv.dmm_ac.record(
31            elapsed_time := time.perf_counter() - start_time, current := bms_hardware.dmm.amps_ac
32        )
33        logger.write_info_to_report(f"Elapsed Time(s): {elapsed_time:.3f}, AC Current(A): {current}")
34        time.sleep(SAMPLE_RATE)

Record AC current data until killed.