feat(hardware-testing): Gravimetric "daily-setup" script for confirmi…

…ng fixture stability and accuracy (#13876)

hardware-testing/Makefile

@@ -129,6 +129,7 @@ test-gravimetric-96:
 .PHONY: test-gravimetric
 test-gravimetric:
  -$(MAKE) apply-patches-gravimetric
+ $(python) -m hardware_testing.gravimetric.daily_setup --simulate
  $(MAKE) test-gravimetric-single
  $(MAKE) test-gravimetric-multi
  $(MAKE) test-gravimetric-96

hardware-testing/hardware_testing/drivers/radwag/driver.py

@@ -14,6 +14,8 @@
 )
 from .responses import RadwagResponse, RadwagResponseCodes, radwag_response_parse
 
+from hardware_testing.data import get_testing_data_directory
+
 
 class RadwagScaleBase(ABC):
  """Base class if Radwag scale driver."""
@@ -40,6 +42,11 @@ def read_serial_number(self) -> str:
  """Read the serial number."""
  ...
 
+ @abstractmethod
+ def read_max_capacity(self) -> float:
+ """Read the max capacity."""
+ ...
+
  @abstractmethod
  def continuous_transmission(self, enable: bool) -> None:
  """Enable/disable continuous transmission."""
@@ -87,7 +94,8 @@ class RadwagScale(RadwagScaleBase):
  def __init__(self, connection: Serial) -> None:
  """Constructor."""
  self._connection = connection
- self._raw_log = open("/data/testing_data/scale_raw.txt", "w")
+ _raw_file_path = get_testing_data_directory() / "scale_raw.txt"
+ self._raw_log = open(_raw_file_path, "w")
 
  @classmethod
  def create(
@@ -156,6 +164,22 @@ def disconnect(self) -> None:
  self._connection.close()
  self._raw_log.close()
 
+ def read_max_capacity(self) -> float:
+ """Read the max capacity."""
+ cmd = RadwagCommand.GET_MAX_CAPACITY
+ res = self._write_command_and_read_response(cmd)
+ # NOTE: very annoying, different scales give different response codes
+ # where some will just not have a response code at all...
+ if len(res.response_list) == 3:
+ expected_code = RadwagResponseCodes.IN_PROGRESS
+ elif len(res.response_list) == 2:
+ expected_code = RadwagResponseCodes.NONE
+ else:
+ raise RuntimeError(f"unexpected reponse list: {res.response_list}")
+ assert res.code == expected_code, f"Unexpected response code: {res.code}"
+ assert res.message is not None
+ return float(res.message)
+
  def read_serial_number(self) -> str:
  """Read serial number."""
  cmd = RadwagCommand.GET_SERIAL_NUMBER
@@ -220,6 +244,18 @@ def automatic_internal_adjustment(self, enable: bool) -> None:
  res.code == RadwagResponseCodes.CARRIED_OUT
  ), f"Unexpected response code: {res.code}"
 
+ def zero(self) -> None:
+ """Sero the scale."""
+ cmd = RadwagCommand.ZERO
+ res = self._write_command_and_read_response(cmd)
+ assert (
+ res.code == RadwagResponseCodes.IN_PROGRESS
+ ), f"Unexpected response code: {res.code}"
+ res = self._read_response(cmd, timeout=60)
+ assert (
+ res.code == RadwagResponseCodes.CARRIED_OUT_AFTER_IN_PROGRESS
+ ), f"Unexpected response code: {res.code}"
+
  def internal_adjustment(self) -> None:
  """Run internal adjustment."""
  cmd = RadwagCommand.INTERNAL_ADJUST_PERFORMANCE
@@ -269,6 +305,10 @@ def disconnect(self) -> None:
  """Disconnect."""
  return
 
+ def read_max_capacity(self) -> float:
+ """Read the max capacity."""
+ return 220.0 # :shrug: might as well simulate as low-rez scale
+
  def read_serial_number(self) -> str:
  """Read serial number."""
  return "radwag-sim-serial-num"
@@ -297,6 +337,10 @@ def automatic_internal_adjustment(self, enable: bool) -> None:
  """Automatic internal adjustment."""
  return
 
+ def zero(self) -> None:
+ """Zero."""
+ return
+
  def internal_adjustment(self) -> None:
  """Internal adjustment."""
  return

hardware-testing/hardware_testing/drivers/radwag/responses.py

@@ -98,10 +98,22 @@ def _on_serial_number(
  return data
 
 
+def _on_max_capacity(
+ command: RadwagCommand, response_list: List[str]
+) -> RadwagResponse:
+ data = RadwagResponse.build(command, response_list)
+ if 2 <= len(response_list) <= 3:
+ data.message = response_list[-1].replace('"', "")
+ else:
+ raise RuntimeError(f"unexpected response list: {response_list}")
+ return data
+
+
 HANDLERS = {
  RadwagCommand.GET_MEASUREMENT_BASIC_UNIT: _on_unstable_measurement,
  RadwagCommand.GET_MEASUREMENT_CURRENT_UNIT: _on_unstable_measurement,
  RadwagCommand.GET_SERIAL_NUMBER: _on_serial_number,
+ RadwagCommand.GET_MAX_CAPACITY: _on_max_capacity,
 }