########################################################################### # # Copyright (c) 2022-2023 Diality Inc. - All Rights Reserved. # # THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN # WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER. # # @file dialysate_fill.py # # @author (last) Dara Navaei # @date (last) 02-Jan-2023 # @author (original) Hung Nguyen # @date (original) 10-Mar-2022 # ############################################################################ import struct from logging import Logger from .constants import RESET, NO_RESET from ..common.msg_defs import MsgIds, MsgFieldPositions from ..protocols.CAN import DenaliMessage, DenaliChannels from ..utils.base import AbstractSubSystem, publish, DialinEnum from ..utils.checks import check_broadcast_interval_override_ms from ..utils.conversions import integer_to_bytearray, float_to_bytearray class DialysateFillEnum(DialinEnum): AcidVolume = 0 BicarbVolume = 1 class DialysateFill(AbstractSubSystem): """ DialysateFill Dialysate Fill Dialin API sub-class to override the used acid and bicarb volume during fill. """ def __init__(self, can_interface, logger: Logger): """ @param can_interface: Denali Can Messenger object """ super().__init__() self.can_interface = can_interface self.logger = logger # fill mode data broadcast on CAN bus self.avg_acid = 0.0 self.avg_bicarb = 0.0 self.first_fill = False self.pctDiffConduct = 0.0 self.used_acid = 0.0 self.used_bicarb = 0.0 self.total_volume = 0.0 if self.can_interface is not None: channel_id = DenaliChannels.dg_sync_broadcast_ch_id msg_id = MsgIds.MSG_ID_DG_FILL_MODE_DATA.value self.can_interface.register_receiving_publication_function(channel_id, msg_id, self._handler_fill_mode_monitor_sync) def get_fill_mode_data(self): """ Gets the current concentrate pump data value @return: List containing fill mode data values: [ avg_acid, avg_bicarb, first_fill, pctDiffConduct, used_acid, used_bicarb ] """ return [self.avg_acid, self.avg_bicarb, self.first_fill, self.pctDiffConduct, self.used_acid, self.used_bicarb] @publish(["avg_acid", "avg_bicarb", "first_fill", "pctDiffConduct", "used_acid", "used_bicarb", "total_volume"]) def _handler_fill_mode_monitor_sync(self, message): """ Handles published dialysate fill mode data' data messages. Dialysate fill data are captured for reference. @param message: published dialysate fill' data message @return: None """ self.avg_acid = struct.unpack(' int: """ Constructs and sends the used acid volume override command @param volume: float - desired used acid volume to override @return: 1 if successful, zero otherwise """ reset_byte_array = integer_to_bytearray(NO_RESET) volume_byte_array = float_to_bytearray(volume) payload = reset_byte_array + volume_byte_array message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id, message_id=MsgIds.MSG_ID_DG_USED_ACID_VOLUME_ML_OVERRIDE.value, payload=payload) self.logger.debug("override the used acid volume") # Send message received_message = self.can_interface.send(message) # If there is content... if received_message is not None: # response payload is OK or not OK return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] else: self.logger.error("Timeout!!!!") return False def cmd_used_bicarb_volume_override(self, volume: float) -> int: """ Constructs and sends the used bicarb volume override command @param volume: float - desired used acid volume to override @return: 1 if successful, zero otherwise """ reset_byte_array = integer_to_bytearray(NO_RESET) volume_byte_array = float_to_bytearray(volume) payload = reset_byte_array + volume_byte_array message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id, message_id=MsgIds.MSG_ID_DG_USED_BICARB_VOLUME_ML_OVERRIDE.value, payload=payload) self.logger.debug("override the used bicarb volume") # Send message received_message = self.can_interface.send(message) # If there is content... if received_message is not None: # response payload is OK or not OK return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] else: self.logger.error("Timeout!!!!") return False def cmd_fill_mode_data_broadcast_interval_override(self, ms: int, reset: int = NO_RESET) -> int: """ Constructs and sends the fill mode data broadcast interval override command Constraints: Must be logged into DG. Given interval must be non-zero and a multiple of the DG general task interval (50 ms). @param ms: integer - interval (in ms) to override with @param reset: integer - 1 to reset a previous override, 0 to override @return: 1 if successful, zero otherwise """ if not check_broadcast_interval_override_ms(ms): return False reset_byte_array = integer_to_bytearray(reset) ms_byte_array = integer_to_bytearray(ms) payload = reset_byte_array + ms_byte_array message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id, message_id=MsgIds.MSG_ID_FILL_MODE_DATA_PUBLISH_INTERVAL_OVERRIDE.value, payload=payload) self.logger.debug("override used concentrate data broadcast interval") # Send message received_message = self.can_interface.send(message) # If there is content... if received_message is not None: # response payload is OK or not OK return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] else: self.logger.error("Timeout!!!!") return False def cmd_dialysate_fill_integrated_volume_override(self, volume: float, reset: int = NO_RESET) -> int: """ Constructs and sends the integrated fill override command. Constraints: Must be logged into DG. @param volume: (float) volume to override with ( in mL ) @param reset: (int) 1 to reset a previous override, 0 to override @return: 1 if successful, zero otherwise """ rst = integer_to_bytearray(reset) vol = float_to_bytearray(volume) payload = rst + vol message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id, message_id=MsgIds.MSG_ID_DG_DIALYSATE_FILL_INTEGRATED_VOLUME_OVERRIDE.value, payload=payload) self.logger.debug("Override total volume for dialysate fill.") # Send message received_message = self.can_interface.send(message) # If there is content... if received_message is not None: if reset == RESET: str_res = "back to normal" else: str_res = str(volume) self.logger.debug( "Total Fill has been overridden " + str_res + " mL " + str(received_message['message'][DenaliMessage.PAYLOAD_START_INDEX])) # response payload is OK or not OK return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] else: self.logger.debug("Timeout!!!!") return False