/**********************************************************************//** * * Copyright (c) 2019-2020 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 DialOutFlow.c * * @date 22-Jan-2020 * @author S. Nash * * @brief Monitor/Controller for dialysate outlet pump and load cell sensor. * **************************************************************************/ #ifndef _VECTORCAST_ #include #endif #include "etpwm.h" #include "gio.h" #include "mibspi.h" #include "FPGA.h" #include "InternalADC.h" #include "OperationModes.h" #include "PIControllers.h" #include "SystemCommMessages.h" #include "TaskGeneral.h" #include "TaskPriority.h" #include "Timers.h" #include "DialOutFlow.h" /** * @addtogroup DialysateOutlet * @{ */ // ********** private definitions ********** #define DIAL_OUT_DATA_PUB_INTERVAL ( MS_PER_SECOND / TASK_PRIORITY_INTERVAL ) ///< Interval (ms/task time) at which the dialysate outlet pump data is published on the CAN bus. #define MAX_DIAL_OUT_FLOW_RATE 650 ///< Maximum dialysate outlet pump flow rate in mL/min. #define MIN_DIAL_OUT_FLOW_RATE 100 ///< Minimum dialysate outlet pump flow rate in mL/min. #define MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE 0.01 ///< Maximum duty cycle change when ramping. #define MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE 0.88 ///< Controller will error if PWM duty cycle > 90%, so set max to 88%. #define MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE 0.12 ///< Controller will error if PWM duty cycle < 10%, so set min to 12%. #define DOP_CONTROL_INTERVAL ( 1000 / TASK_GENERAL_INTERVAL ) ///< Interval (ms/task time) at which the dialysate outlet pump is controlled. #define DOP_P_COEFFICIENT 0.0050 ///< P term for dialysate outlet pump control. #define DOP_I_COEFFICIENT 0.0001 ///< I term for dialysate outlet pump control. #define DOP_MAX_CURR_WHEN_STOPPED_MA 150.0 ///< Motor controller current should not exceed this when pump should be stopped. #define DOP_MIN_CURR_WHEN_RUNNING_MA 150.0 ///< Motor controller current should always exceed this when pump should be running. #define DOP_MAX_CURR_WHEN_RUNNING_MA 1000.0 ///< Motor controller current should not exceed this when pump should be running. #define DOP_MAX_CURR_ERROR_DURATION_MS 2000 ///< Motor controller current errors persisting beyond this duration will trigger an alarm. #define DOP_SPEED_ADC_TO_RPM_FACTOR 1.280938 ///< Conversion factor from ADC counts to RPM for dialysate outlet pump motor. #define DOP_CURRENT_ADC_TO_MA_FACTOR 3.002 ///< Conversion factor from ADC counts to mA for dialysate outlet pump motor. #define DOP_ADC_FULL_SCALE_V 3.0 ///< DPo analog signals are 0-3V (while int. ADC ref V may be different). #define DOP_ADC_ZERO ( (F32)( INT_ADC_ZERO ) * ( DOP_ADC_FULL_SCALE_V / INT_ADC_REF_V ) ) ///< Mid-point (zero) for ADC readings. #define SIGN_FROM_12_BIT_VALUE(v) ( (S16)(v) - (S16)DOP_ADC_ZERO ) ///< Macro converts a 12-bit ADC reading to a signed 16-bit value. /*** setDialOutFlowRxTotalVolumeAndRxTime ***/ #define DOP_REV_PER_LITER 150.24 ///< Rotor revolutions per liter. #define DOP_ML_PER_MIN_TO_PUMP_RPM_FACTOR ( DOP_REV_PER_LITER / ML_PER_LITER ) ///< Conversion factor from mL/min to pump motor RPM. #define DOP_GEAR_RATIO 32.0 ///< Pump motor to pump gear ratio. #define DOP_MOTOR_RPM_TO_PWM_DC_FACTOR 0.00035 ///< ~28 DPo motor RPM = 1% PWM duty cycle. #define DOP_PWM_ZERO_OFFSET 0.1 ///< 10% PWM duty cycle = zero speed. #define DOP_PWM_FROM_ML_PER_MIN(rate) ( (rate) * DOP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * DOP_GEAR_RATIO * DOP_MOTOR_RPM_TO_PWM_DC_FACTOR + DOP_PWM_ZERO_OFFSET ) ///< Macro converts a flow rate to an estimated PWM duty cycle %. /// Enumeration of dialysate outlet pump controller states. typedef enum DialOutPump_States { DIAL_OUT_PUMP_OFF_STATE = 0, ///< Off state of the dialysate outlet pump state machine. DIAL_OUT_PUMP_RAMPING_UP_STATE, ///< Ramping up state of the dialysate outlet pump state machine. DIAL_OUT_PUMP_RAMPING_DOWN_STATE, ///< Ramping down state of the dialysate outlet pump state machine. DIAL_OUT_PUMP_CONTROL_TO_TARGET_STATE, ///< Control state of the dialysate outlet pump state machine. NUM_OF_DIAL_OUT_PUMP_STATES ///< Number of dialysate outlet pump control states. } DIAL_OUT_PUMP_STATE_T; /// Enumeration of dialysate outlet pump self test states. typedef enum DialOut_Pump_Self_Test_States { DIAL_OUT_PUMP_SELF_TEST_STATE_START = 0, ///< Start state of the dialysate outlet pump self test state machine. DIAL_OUT_PUMP_TEST_STATE_IN_PROGRESS, ///< In progress state of the dialysate outlet pump self test state machine. DIAL_OUT_PUMP_TEST_STATE_COMPLETE, ///< Completed state of the dialysate outlet pump self test state machine. NUM_OF_DIAL_OUT_PUMP_SELF_TEST_STATES ///< Number of dialysate outlet pumpt self test states. } DIAL_OUT_PUMP_SELF_TEST_STATE_T; // pin assignments and macros for pump stop and direction outputs #define STOP_DO_PUMP_MIBSPI1_PORT_MASK 0x00000400 ///< MIBSPI1 SIMO[0] - re-purposed as GPIOoutput for pump controller run/stop pin. #ifndef BREADBOARD_TARGET #define SET_DOP_STOP() {mibspiREG1->PC3 &= ~STOP_DO_PUMP_MIBSPI1_PORT_MASK;} ///< Macro sets pump controller run/stop signal to stop. #define CLR_DOP_STOP() {mibspiREG1->PC3 |= STOP_DO_PUMP_MIBSPI1_PORT_MASK;} ///< Macro sets pump controller run/stop signal to run. #else #define SET_DOP_STOP() {mibspiREG1->PC3 |= STOP_DO_PUMP_MIBSPI1_PORT_MASK;} ///< Macro sets pump controller run/stop signal to stop. #define CLR_DOP_STOP() {mibspiREG1->PC3 &= ~STOP_DO_PUMP_MIBSPI1_PORT_MASK;} ///< Macro sets pump controller run/stop signal to run. #endif #define STOP_DO_PUMP_GIO_PORT_PIN 6U ///< GIO port A pin used for pump controller direction pin. #define SET_DOP_DIR() gioSetBit( gioPORTA, STOP_DO_PUMP_GIO_PORT_PIN, PIN_SIGNAL_HIGH ) ///< Macro sets pump controller direction to forward direction. #define CLR_DOP_DIR() gioSetBit( gioPORTA, STOP_DO_PUMP_GIO_PORT_PIN, PIN_SIGNAL_LOW ) ///< Macro sets pump controller direction to reverse direction. // ********** private data ********** static DIAL_OUT_PUMP_STATE_T dialOutPumpState = DIAL_OUT_PUMP_OFF_STATE; ///< Current state of the dialysate outlet pump controller state machine. static U32 dialOutFlowDataPublicationTimerCounter = 6; ///< Timer counter controlling when to publish dialysate outlet data. Set non-zero to phase data publication to CAN bus. static BOOL isDialOutPumpOn = FALSE; ///< Flag set to TRUE when dialysate outlet pump is running. static U32 lastGivenRate = 0.0; ///< Remembers the last given set point rate for the dialysate outlet pump. static F32 dialOutPumpPWMDutyCyclePct = 0.0; ///< Requested PWM duty cycle for dialysate outlet pump (based on given rate). static F32 dialOutPumpPWMDutyCyclePctSet = 0.0; ///< Currently set PWM duty cycle for dialysate outlet pump. static MOTOR_DIR_T dialOutPumpDirection = MOTOR_DIR_FORWARD; ///< Requested direction for dialysate outlet pump. static MOTOR_DIR_T dialOutPumpDirectionSet = MOTOR_DIR_FORWARD; ///< Currently set direction for dialysate outlet pump. static PUMP_CONTROL_MODE_T dialOutPumpControlMode = PUMP_CONTROL_MODE_CLOSED_LOOP; ///< Requested control mode for dialysate outlet pump (open or closed loop). static PUMP_CONTROL_MODE_T dialOutPumpControlModeSet = PUMP_CONTROL_MODE_CLOSED_LOOP; ///< Currently set control mode for dialysate outlet pump. static OVERRIDE_F32_T loadCellWeightInGrams[ NUM_OF_LOAD_CELLS ]; ///< Measured weight from load cells. static OVERRIDE_U32_T dialOutDataPublishInterval = { DIAL_OUT_DATA_PUB_INTERVAL, DIAL_OUT_DATA_PUB_INTERVAL, DIAL_OUT_DATA_PUB_INTERVAL, 0 }; ///< Interval (in ms) at which to publish dialysate outlet data to CAN bus. static OVERRIDE_F32_T referenceUFVolumeInMl = { 0.0, 0.0, 0.0, 0 }; ///< Target ultrafiltration volume (in mL). static OVERRIDE_F32_T totalMeasuredUFVolumeInMl = { 0.0, 0.0, 0.0, 0 }; ///< Total measured ultrafiltration volume (in mL). static OVERRIDE_F32_T dialOutPumpMCSpeedRPM = { 0.0, 0.0, 0.0, 0 }; ///< Measured dialysate outlet pump motor controller speed. static OVERRIDE_F32_T dialOutPumpMCCurrentmA = { 0.0, 0.0, 0.0, 0 }; ///< Measured dialysate outlet pump motor controller current. static OVERRIDE_F32_T dialOutPumpRotorSpeedRPM = { 0.0, 0.0, 0.0, 0 }; ///< Measured dialysate outlet pump rotor speed. static OVERRIDE_F32_T dialOutPumpSpeedRPM = { 0.0, 0.0, 0.0, 0 }; ///< Measured dialysate outlet pump motor speed. static U32 dopControlTimerCounter = 0; ///< Timer counter to determine when to control dialysate outlet pump. static U32 dopCurrErrorDurationCtr = 0; ///< Timer counter for motor current error persistence. static DIAL_OUT_PUMP_SELF_TEST_STATE_T dialOutPumpSelfTestState = DIAL_OUT_PUMP_SELF_TEST_STATE_START; ///< Current state of the dialysate outlet pump self test state machine. static U32 dialOutPumpSelfTestTimerCount = 0; ///< Timer counter for time reference during self test. // Broadcasting record DIAL_OUT_FLOW_DATA_T dialOutBroadCastVariables; ///< Record containing latest dialysate outlet data for broadcasting. // ********** private function prototypes ********** static DIAL_OUT_PUMP_STATE_T handleDialOutPumpOffState( void ); static DIAL_OUT_PUMP_STATE_T handleDialOutPumpRampingUpState( void ); static DIAL_OUT_PUMP_STATE_T handleDialOutPumpRampingDownState( void ); static DIAL_OUT_PUMP_STATE_T handleDialOutPumpControlToTargetState( void ); static void setDialOutPumpControlSignalPWM( F32 newPWM ); static void stopDialOutPump( void ); static void releaseDialOutPumpStop( void ); static void setDialOutPumpDirection( MOTOR_DIR_T dir ); static void publishDialOutFlowData( void ); static void checkDialOutPumpDirection( void ); static void checkDialOutPumpMCCurrent( void ); static DATA_GET_PROTOTYPE( U32, getPublishDialOutDataInterval ); /*********************************************************************//** * @brief * The initDialOutFlow function initializes the DialOutFlow module. * @details * Inputs : none * Outputs : DialOutFlow module initialized. * @return none *************************************************************************/ void initDialOutFlow( void ) { U32 i; stopDialOutPump(); setDialOutPumpDirection( MOTOR_DIR_FORWARD ); // initialize load cell weights for ( i = 0; i < NUM_OF_LOAD_CELLS; i++ ) { loadCellWeightInGrams[ i ].data = 0.0; } // initialize broadcast data dialOutBroadCastVariables.refUFVolMl = 0.0; dialOutBroadCastVariables.measUFVolMl = 0.0; dialOutBroadCastVariables.measRotSpdRPM = 0.0; dialOutBroadCastVariables.measSpdRPM = 0.0; dialOutBroadCastVariables.measMCSpdRPM = 0.0; dialOutBroadCastVariables.measMCCurrmA = 0.0; dialOutBroadCastVariables.setPWMpct = 0.0; // initialize dialysate outlet flow PI controller initializePIController( PI_CONTROLLER_ID_ULTRAFILTRATION, MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE, DOP_P_COEFFICIENT, DOP_I_COEFFICIENT, MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE, MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE ); } /*********************************************************************//** * @brief * The setDialOutPumpTargetRate function sets a new target flow rate, pump \n * direction, and control mode. * @details * Inputs : isDialOutPumpOn, dialOutPumpDirectionSet * Outputs : targetDialOutFlowRate, dialOutPumpdirection, dialOutPumpPWMDutyCyclePct * @param flowRate : new target dialysate outlet flow rate * @param dir : new dialysate outlet flow direction * @param mode : new control mode * @return TRUE if new flow rate & dir are set, FALSE if not *************************************************************************/ BOOL setDialOutPumpTargetRate( U32 flowRate, MOTOR_DIR_T dir, PUMP_CONTROL_MODE_T mode ) { BOOL result = FALSE; // direction change while pump is running is not allowed if ( ( FALSE == isDialOutPumpOn ) || ( 0 == flowRate ) || ( dir == dialOutPumpDirectionSet ) ) { // verify flow rate if ( flowRate <= MAX_DIAL_OUT_FLOW_RATE ) { lastGivenRate = flowRate; dialOutPumpDirection = dir; dialOutPumpControlMode = mode; // set PWM duty cycle target to an estimated initial target to ramp to based on target flow rate - then we'll control to flow when ramp completed dialOutPumpPWMDutyCyclePct = DOP_PWM_FROM_ML_PER_MIN((F32)flowRate); switch ( dialOutPumpState ) { case DIAL_OUT_PUMP_RAMPING_UP_STATE: // see if we need to reverse direction of ramp if ( dialOutPumpPWMDutyCyclePct < dialOutPumpPWMDutyCyclePctSet ) { dialOutPumpState = DIAL_OUT_PUMP_RAMPING_DOWN_STATE; } break; case DIAL_OUT_PUMP_RAMPING_DOWN_STATE: // see if we need to reverse direction of ramp if ( dialOutPumpPWMDutyCyclePct > dialOutPumpPWMDutyCyclePctSet ) { dialOutPumpState = DIAL_OUT_PUMP_RAMPING_UP_STATE; } break; case DIAL_OUT_PUMP_CONTROL_TO_TARGET_STATE: // start ramp to new target in appropriate direction if ( dialOutPumpPWMDutyCyclePctSet > dialOutPumpPWMDutyCyclePct ) { dialOutPumpState = DIAL_OUT_PUMP_RAMPING_DOWN_STATE; } else { dialOutPumpState = DIAL_OUT_PUMP_RAMPING_UP_STATE; } break; default: // ok - not all states need to be handled here break; } result = TRUE; } else // requested flow rate too high { SET_ALARM_WITH_2_U32_DATA( ALARM_ID_SOFTWARE_FAULT, SW_FAULT_ID_DIAL_OUT_FLOW_SET_TOO_HIGH, flowRate ) } } return result; } /*********************************************************************//** * @brief * The setDialOutUFVolumes function sets the ultrafiltration reference and \n * measured total volumes (in mL). * @details * Inputs : none * Outputs : referenceUFVolumeInMl and totalMeasuredUFVolumeInMl * @param refVol : New ultrafiltration reference volume (in mL). * @param totVol : New ultrafiltration total volume (in mL). * @return none *************************************************************************/ void setDialOutUFVolumes( F32 refVol, F32 totVol ) { referenceUFVolumeInMl.data = refVol; totalMeasuredUFVolumeInMl.data = totVol; } /*********************************************************************//** * @brief * The signalDialOutPumpHardStop function stops the dialysate outlet pump \n * immediately. * @details * Inputs : none * Outputs : Dialysate outlet pump stopped, set point reset, state changed to off * @return none *************************************************************************/ void signalDialOutPumpHardStop( void ) { lastGivenRate = 0; stopDialOutPump(); dialOutPumpState = DIAL_OUT_PUMP_OFF_STATE; dialOutPumpPWMDutyCyclePct = 0.0; dopControlTimerCounter = 0; resetPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE ); } /*********************************************************************//** * @brief * The setDialOutUFVolumes function sets the ultrafiltration reference and \n * measured total volumes (in mL). * @details * Inputs : none * Outputs : loadCellWeightInGrams[] * @param res1Primary : New weight from primary load cell of reservoir 1. * @param res1Backup : New weight from backup load cell of reservoir 1. * @param res2Primary : New weight from primary load cell of reservoir 2. * @param res2Backup : New weight from backup load cell of reservoir 2. * @return TRUE if successful, FALSE if not *************************************************************************/ BOOL setNewLoadCellReadings( F32 res1Primary, F32 res1Backup, F32 res2Primary, F32 res2Backup ) { BOOL result = TRUE; loadCellWeightInGrams[ LOAD_CELL_RESERVOIR_1_PRIMARY ].data = res1Primary; loadCellWeightInGrams[ LOAD_CELL_RESERVOIR_1_BACKUP ].data = res1Backup; loadCellWeightInGrams[ LOAD_CELL_RESERVOIR_2_PRIMARY ].data = res2Primary; loadCellWeightInGrams[ LOAD_CELL_RESERVOIR_2_BACKUP ].data = res2Backup; return result; } /*********************************************************************//** * @brief execDialOutFlowMonitor * The execDialOutFlowMonitor function executes the dialysate outlet pump \n * and load cell sensor monitor. Checks are performed. Data is published \n * at appropriate interval. * @details * Inputs : latest sensor data * Outputs : dialOutPumpMCSpeedRPM, dialOutPumpMCCurrentmA * @return none *************************************************************************/ void execDialOutFlowMonitor( void ) { U16 bpRPM = getIntADCReading( INT_ADC_DIAL_OUT_PUMP_SPEED ); U16 bpmA = getIntADCReading( INT_ADC_DIAL_OUT_PUMP_MOTOR_CURRENT ); dialOutPumpMCSpeedRPM.data = (F32)(SIGN_FROM_12_BIT_VALUE(bpRPM)) * DOP_SPEED_ADC_TO_RPM_FACTOR; dialOutPumpMCCurrentmA.data = (F32)(SIGN_FROM_12_BIT_VALUE(bpmA)) * DOP_CURRENT_ADC_TO_MA_FACTOR; // don't start enforcing checks until out of init/POST mode if ( getCurrentOperationMode() != MODE_INIT ) { checkDialOutPumpDirection(); checkDialOutPumpMCCurrent(); } publishDialOutFlowData(); } /*********************************************************************//** * @brief execDialOutFlowController * The execDialOutFlowController function executes the dialysate outlet pump \n * ultrafiltration controller state machine. * @details * Inputs : dialOutPumpState * Outputs : dialOutPumpState * @return none *************************************************************************/ void execDialOutFlowController( void ) { switch ( dialOutPumpState ) { case DIAL_OUT_PUMP_OFF_STATE: dialOutPumpState = handleDialOutPumpOffState(); break; case DIAL_OUT_PUMP_RAMPING_UP_STATE: dialOutPumpState = handleDialOutPumpRampingUpState(); break; case DIAL_OUT_PUMP_RAMPING_DOWN_STATE: dialOutPumpState = handleDialOutPumpRampingDownState(); break; case DIAL_OUT_PUMP_CONTROL_TO_TARGET_STATE: dialOutPumpState = handleDialOutPumpControlToTargetState(); break; default: SET_ALARM_WITH_2_U32_DATA( ALARM_ID_SOFTWARE_FAULT, SW_FAULT_ID_DIAL_OUT_FLOW_INVALID_DIAL_OUT_PUMP_STATE, dialOutPumpState ); break; } } /*********************************************************************//** * @brief handleDialOutPumpOffState * The handleDialOutPumpOffState function handles the dialOut pump off state \n * of the dialOut pump controller state machine. * @details * Inputs : targetDialOutFlowRate, dialOutPumpDirection * Outputs : dialOutPumpPWMDutyCyclePctSet, dialOutPumpDirectionSet, isDialOutPumpOn * @return next state *************************************************************************/ static DIAL_OUT_PUMP_STATE_T handleDialOutPumpOffState( void ) { DIAL_OUT_PUMP_STATE_T result = DIAL_OUT_PUMP_OFF_STATE; // if we've been given a flow rate, setup ramp up and transition to ramp up state if ( lastGivenRate > 0 ) { // set initial PWM duty cycle dialOutPumpPWMDutyCyclePctSet = DOP_PWM_ZERO_OFFSET + MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE; setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePctSet ); // allow dialOut pump to run in requested direction setDialOutPumpDirection( dialOutPumpDirection ); releaseDialOutPumpStop(); isDialOutPumpOn = TRUE; result = DIAL_OUT_PUMP_RAMPING_UP_STATE; } else { dialOutPumpPWMDutyCyclePct = 0.0; } return result; } /*********************************************************************//** * @brief handleDialOutPumpRampingUpState * The handleDialOutPumpRampingUpState function handles the ramp up state \n * of the dialOut pump controller state machine. * @details * Inputs : dialOutPumpPWMDutyCyclePctSet * Outputs : dialOutPumpPWMDutyCyclePctSet * @return next state *************************************************************************/ static DIAL_OUT_PUMP_STATE_T handleDialOutPumpRampingUpState( void ) { DIAL_OUT_PUMP_STATE_T result = DIAL_OUT_PUMP_RAMPING_UP_STATE; // have we been asked to stop the dialOut pump? if ( dialOutPumpPWMDutyCyclePct < NEARLY_ZERO ) { // start ramp down to stop dialOutPumpPWMDutyCyclePctSet -= MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE; setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePctSet ); result = DIAL_OUT_PUMP_RAMPING_DOWN_STATE; } // have we reached end of ramp up? else if ( dialOutPumpPWMDutyCyclePctSet >= dialOutPumpPWMDutyCyclePct ) { resetPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, dialOutPumpPWMDutyCyclePctSet ); dialOutPumpControlModeSet = dialOutPumpControlMode; // if open loop mode, set PWM to requested duty cycle where it will stay during control state if ( dialOutPumpControlModeSet == PUMP_CONTROL_MODE_OPEN_LOOP ) { dialOutPumpPWMDutyCyclePctSet = dialOutPumpPWMDutyCyclePct; setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePct ); } result = DIAL_OUT_PUMP_CONTROL_TO_TARGET_STATE; } // continue ramp up else { dialOutPumpPWMDutyCyclePctSet += MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE; setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePctSet ); } return result; } /*********************************************************************//** * @brief handleDialOutPumpRampingDownState * The handleDialOutPumpRampingDownState function handles the ramp down state \n * of the dialOut pump controller state machine. * @details * Inputs : dialOutPumpPWMDutyCyclePctSet * Outputs : dialOutPumpPWMDutyCyclePctSet * @return next state *************************************************************************/ static DIAL_OUT_PUMP_STATE_T handleDialOutPumpRampingDownState( void ) { DIAL_OUT_PUMP_STATE_T result = DIAL_OUT_PUMP_RAMPING_DOWN_STATE; // have we essentially reached zero speed if ( dialOutPumpPWMDutyCyclePctSet < (MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE + DOP_PWM_ZERO_OFFSET) ) { stopDialOutPump(); result = DIAL_OUT_PUMP_OFF_STATE; } // have we reached end of ramp down? else if ( dialOutPumpPWMDutyCyclePctSet <= dialOutPumpPWMDutyCyclePct ) { resetPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, dialOutPumpPWMDutyCyclePctSet ); dialOutPumpControlModeSet = dialOutPumpControlMode; // if open loop mode, set PWM to requested duty cycle where it will stay during control state if ( dialOutPumpControlModeSet == PUMP_CONTROL_MODE_OPEN_LOOP ) { dialOutPumpPWMDutyCyclePctSet = dialOutPumpPWMDutyCyclePct; setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePct ); } result = DIAL_OUT_PUMP_CONTROL_TO_TARGET_STATE; } // continue ramp down else { dialOutPumpPWMDutyCyclePctSet -= MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE; setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePctSet ); } return result; } /*********************************************************************//** * @brief handleDialOutPumpControlToTargetState * The handleDialOutPumpControlToTargetState function handles the "control to \n * target" state of the dialOut pump controller state machine. * @details * Inputs : dopControlTimerCounter, dialOutPumpControlModeSet, volumes. * Outputs : dopControlTimerCounter, pump controlled. * @return next state *************************************************************************/ static DIAL_OUT_PUMP_STATE_T handleDialOutPumpControlToTargetState( void ) { DIAL_OUT_PUMP_STATE_T result = DIAL_OUT_PUMP_CONTROL_TO_TARGET_STATE; // control at set interval if ( ++dopControlTimerCounter >= DOP_CONTROL_INTERVAL ) { if ( dialOutPumpControlModeSet == PUMP_CONTROL_MODE_CLOSED_LOOP ) { F32 refVol = getTotalTargetDialOutUFVolumeInMl(); F32 totVol = getTotalMeasuredUFVolumeInMl(); F32 newPWM; F32 deltaPWM; // get new PWM from PI controller newPWM = runPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, refVol, totVol ); // limit PWM change to max deltaPWM = newPWM - dialOutPumpPWMDutyCyclePctSet; if ( FABS( deltaPWM ) > MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE ) { newPWM = ( deltaPWM < 0.0 ? dialOutPumpPWMDutyCyclePctSet - MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE : dialOutPumpPWMDutyCyclePctSet + MAX_DIAL_OUT_PUMP_PWM_STEP_CHANGE ); } // set new PWM dialOutPumpPWMDutyCyclePctSet = newPWM; setDialOutPumpControlSignalPWM( newPWM ); } dopControlTimerCounter = 0; } return result; } /*********************************************************************//** * @brief * The setDialOutPumpControlSignalPWM function set the PWM duty cycle of \n * the dialysate outlet pump to a given %. * @details * Inputs : none * Outputs : dialysis outlet pump PWM duty cycle is set. * @param newPWM : A percentage duty cycle between 0.0 and 1.0. * @return none *************************************************************************/ static void setDialOutPumpControlSignalPWM( F32 newPWM ) { etpwmSetCmpA( etpwmREG3, (U32)( (S32)( ( newPWM * (F32)(etpwmREG3->TBPRD) ) + FLOAT_TO_INT_ROUNDUP_OFFSET ) ) ); } /*********************************************************************//** * @brief stopDialOutPump * The stopDialOutPump function sets the dialout flow stop signal and PWM * duty cycle to 0.0. * @details * Inputs : none * Outputs : dialOut pump stop signal activated, PWM duty cycle zeroed * @return none *************************************************************************/ static void stopDialOutPump( void ) { dialOutPumpPWMDutyCyclePctSet = 0.0; setDialOutPumpControlSignalPWM( 0 ); SET_DOP_STOP(); isDialOutPumpOn = FALSE; } /*********************************************************************//** * @brief * The releaseDialOutPumpStop function clears the dialysate outlet pump stop signal. * @details * Inputs : none * Outputs : dialysate outlet pump stop signal is cleared. * @return none *************************************************************************/ static void releaseDialOutPumpStop( void ) { CLR_DOP_STOP(); } /*********************************************************************//** * @brief setDialOutPumpDirection * The setDialOutPumpDirection function sets the set dialOut pump direction to \n * the given direction. * @details * Inputs : none * Outputs : dialOutPumpDirectionSet, pump direction signal set to match given direction. * @param dir : dialysate outlet pump direction to set * @return none *************************************************************************/ static void setDialOutPumpDirection( MOTOR_DIR_T dir ) { switch ( dir ) { case MOTOR_DIR_FORWARD: dialOutPumpDirectionSet = dir; SET_DOP_DIR(); break; case MOTOR_DIR_REVERSE: dialOutPumpDirectionSet = dir; CLR_DOP_DIR(); break; default: SET_ALARM_WITH_2_U32_DATA( ALARM_ID_SOFTWARE_FAULT, SW_FAULT_ID_DIAL_OUT_FLOW_INVALID_DIAL_OUT_PUMP_DIRECTION, dir ); break; } } /*********************************************************************//** * @brief publishDialOutFlowData * The publishDialOutFlowData function publishes dialysate outlet data at \n * the set interval. * @details * Inputs : Dialysate outlet pump data * Outputs : Dialysate outlet pump data is published to CAN bus. * @return none *************************************************************************/ static void publishDialOutFlowData( void ) { // publish dialysate outlet pump and UF volume data on interval if ( ++dialOutFlowDataPublicationTimerCounter >= getPublishDialOutDataInterval() ) { dialOutBroadCastVariables.refUFVolMl = getTotalTargetDialOutUFVolumeInMl(); dialOutBroadCastVariables.measUFVolMl = getTotalMeasuredUFVolumeInMl(); #ifndef SHOW_LOAD_CELL_IN_ROTOR_RPM dialOutBroadCastVariables.measRotSpdRPM = getMeasuredDialOutPumpRotorSpeed(); #else dialOutBroadCastVariables.measRotSpdRPM = getLoadCellWeightInGrams( LOAD_CELL_RESERVOIR_1_PRIMARY ); #endif dialOutBroadCastVariables.measSpdRPM = getMeasuredDialOutPumpSpeed(); dialOutBroadCastVariables.measMCSpdRPM = getMeasuredDialOutPumpMCSpeed(); dialOutBroadCastVariables.measMCCurrmA = getMeasuredDialOutPumpMCCurrent(); dialOutBroadCastVariables.setPWMpct = dialOutPumpPWMDutyCyclePctSet * FRACTION_TO_PERCENT_FACTOR; broadcastDialOutFlowData( &dialOutBroadCastVariables); dialOutFlowDataPublicationTimerCounter = 0; } } /************************************************************************* * @brief * The checkDialOutPumpDirection function checks the set direction vs. \n * the direction implied by the sign of the measured MC speed. * @details * Inputs : adcDialOutPumpMCSpeedRPM, dialOutPumpDirectionSet, dialOutPumpState * Outputs : none * @param none * @return none *************************************************************************/ static void checkDialOutPumpDirection( void ) { MOTOR_DIR_T dopMCDir; if ( DIAL_OUT_PUMP_CONTROL_TO_TARGET_STATE == dialOutPumpState ) { // check set direction vs. direction from sign of motor controller speed dopMCDir = ( getMeasuredDialOutPumpMCSpeed() >= 0.0 ? MOTOR_DIR_FORWARD : MOTOR_DIR_REVERSE ); if ( dialOutPumpDirectionSet != dopMCDir ) { SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DIAL_OUT_PUMP_MC_DIRECTION_CHECK, (U32)dialOutPumpDirectionSet, (U32)dopMCDir ) } } } /************************************************************************* * @brief * The checkDialOutPumpMCCurrent function checks the measured MC current vs. \n * the set state of the dialOut pump (stopped or running). * @details * Inputs : dialOutPumpState, dopCurrErrorDurationCtr, adcDialOutPumpMCCurrentmA * Outputs : none * @param none * @return none *************************************************************************/ static void checkDialOutPumpMCCurrent( void ) { F32 dopCurr; // dialOut pump should be off if ( DIAL_OUT_PUMP_OFF_STATE == dialOutPumpState ) { dopCurr = fabs( getMeasuredDialOutPumpMCCurrent() ); if ( dopCurr > DOP_MAX_CURR_WHEN_STOPPED_MA ) { dopCurrErrorDurationCtr += TASK_PRIORITY_INTERVAL; if ( dopCurrErrorDurationCtr > DOP_MAX_CURR_ERROR_DURATION_MS ) { #ifndef DISABLE_MOTOR_CURRENT_ERRORS SET_ALARM_WITH_1_F32_DATA( ALARM_ID_DIAL_OUT_PUMP_MC_CURRENT_CHECK, getMeasuredDialOutPumpMCCurrent() ); #endif } } else { dopCurrErrorDurationCtr = 0; } } // dialOut pump should be running else { dopCurr = fabs( getMeasuredDialOutPumpMCCurrent() ); if ( ( dopCurr < DOP_MIN_CURR_WHEN_RUNNING_MA ) || ( dopCurr > DOP_MAX_CURR_WHEN_RUNNING_MA ) ) { dopCurrErrorDurationCtr += TASK_PRIORITY_INTERVAL; if ( dopCurrErrorDurationCtr > DOP_MAX_CURR_ERROR_DURATION_MS ) { #ifndef DISABLE_MOTOR_CURRENT_ERRORS SET_ALARM_WITH_1_F32_DATA( ALARM_ID_DIAL_OUT_PUMP_MC_CURRENT_CHECK, getMeasuredDialOutPumpMCCurrent() ); #endif } } else { dopCurrErrorDurationCtr = 0; } } } /************************************************************************* * GET SUPPORT FUNCTIONS *************************************************************************/ /*********************************************************************//** * @brief * The getPublishDialOutFlowDataInterval function gets the dialysate out flow \n * data publication interval. * @details * Inputs : dialOutDataPublishInterval * Outputs : none * @return the current dialysate out flow data publication interval (in ms). *************************************************************************/ static U32 getPublishDialOutDataInterval( void ) { U32 result = dialOutDataPublishInterval.data; if ( OVERRIDE_KEY == dialOutDataPublishInterval.override ) { result = dialOutDataPublishInterval.ovData; } return result; } /*********************************************************************//** * @brief * The getLoadCellWeightInGrams function gets the load cell weight. * @details * Inputs : loadCellWeightInGrams * Outputs : none * @param loadCellID : ID of load cell to get * @return the current load cell weight in grams *************************************************************************/ F32 getLoadCellWeightInGrams( U32 loadCellID ) { F32 result = 0.0; if ( loadCellID <= NUM_OF_LOAD_CELLS - 1 ) { if ( OVERRIDE_KEY == loadCellWeightInGrams[ loadCellID ].override ) { result = loadCellWeightInGrams[ loadCellID ].ovData; } else { result = loadCellWeightInGrams[ loadCellID ].data; } } else { activateAlarmNoData( ALARM_ID_SOFTWARE_FAULT ); } return result; } /*********************************************************************//** * @brief * The getTotalTargetDialOutUFVolumeInMl function gets the target UF volume. * @details * Inputs : referenceUFVolumeInMl * Outputs : none * @return the current target UF volume in mL. *************************************************************************/ F32 getTotalTargetDialOutUFVolumeInMl( void ) { F32 result = referenceUFVolumeInMl.data; if ( OVERRIDE_KEY == referenceUFVolumeInMl.override ) { result = referenceUFVolumeInMl.ovData; } return result; } /*********************************************************************//** * @brief * The getTotalMeasuredUFVolumeInMl function gets the measured UF volume. * @details * Inputs : totalMeasuredUFVolumeInMl * Outputs : none * @return the current UF volume (in mL). *************************************************************************/ F32 getTotalMeasuredUFVolumeInMl( void ) { F32 result = totalMeasuredUFVolumeInMl.data; if ( OVERRIDE_KEY == totalMeasuredUFVolumeInMl.override ) { result = totalMeasuredUFVolumeInMl.ovData; } return result; } /*********************************************************************//** * @brief * The getMeasuredDialOutPumpRotorSpeed function gets the measured dialysate \n * outlet pump rotor speed. * @details * Inputs : dialOutPumpRotorSpeedRPM * Outputs : none * @return the current dialysate outlet pump rotor speed (in RPM). *************************************************************************/ F32 getMeasuredDialOutPumpRotorSpeed( void ) { F32 result = dialOutPumpRotorSpeedRPM.data; if ( OVERRIDE_KEY == dialOutPumpRotorSpeedRPM.override ) { result = dialOutPumpRotorSpeedRPM.ovData; } return result; } /*********************************************************************//** * @brief * The getMeasuredDialOutPumpSpeed function gets the measured dialysate outlet \n * pump motor speed. * @details * Inputs : dialOutPumpSpeedRPM * Outputs : none * @return the current dialysate outlet pump motor speed (in RPM). *************************************************************************/ F32 getMeasuredDialOutPumpSpeed( void ) { F32 result = dialOutPumpSpeedRPM.data; if ( OVERRIDE_KEY == dialOutPumpSpeedRPM.override ) { result = dialOutPumpSpeedRPM.ovData; } return result; } /*********************************************************************//** * @brief * The getMeasuredDialOutPumpMCSpeed function gets the measured dialOut pump \n * speed. * @details * Inputs : dialOutPumpMCSpeedRPM * Outputs : none * @param none * @return the current dialOut pump speed (in RPM). *************************************************************************/ F32 getMeasuredDialOutPumpMCSpeed( void ) { F32 result = dialOutPumpMCSpeedRPM.data; if ( OVERRIDE_KEY == dialOutPumpMCSpeedRPM.override ) { result = dialOutPumpMCSpeedRPM.ovData; } return result; } /*********************************************************************//** * @brief * The getMeasuredDialOutPumpMCCurrent function gets the measured dialOut pump \n * current. * @details * Inputs : dialOutPumpMCCurrentmA * Outputs : none * @return the current dialOut pump current (in mA). *************************************************************************/ F32 getMeasuredDialOutPumpMCCurrent( void ) { F32 result = dialOutPumpMCCurrentmA.data; if ( OVERRIDE_KEY == dialOutPumpMCCurrentmA.override ) { result = dialOutPumpMCCurrentmA.ovData; } return result; } /************************************************************************* * TEST SUPPORT FUNCTIONS *************************************************************************/ /*********************************************************************//** * @brief * The testSetDialOutPumpAndLoadCellDataPublishIntervalOverride function overrides the \n * dialout vol data publish interval. * @details * Inputs : none * Outputs : dialOutDataPublishInterval * @param value : override dialout vol data publish interval with (in ms) * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetDialOutPumpAndLoadCellDataPublishIntervalOverride( U32 value ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { U32 intvl = value / TASK_PRIORITY_INTERVAL; result = TRUE; dialOutDataPublishInterval.ovData = intvl; dialOutDataPublishInterval.override = OVERRIDE_KEY; } return result; } /*********************************************************************//** * @brief * The testResetDialOutPumpAndLoadCellDataPublishIntervalOverride function resets the override \n * of the dialout vol data publish interval. * @details * Inputs : none * Outputs : dialOutDataPublishInterval * @return TRUE if override reset successful, FALSE if not *************************************************************************/ BOOL testResetDialOutPumpAndLoadCellDataPublishIntervalOverride( void ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutDataPublishInterval.override = OVERRIDE_RESET; dialOutDataPublishInterval.ovData = dialOutDataPublishInterval.ovInitData; } return result; } /*********************************************************************//** * @brief * The testSetDialOutUFRefVolumeOverride function overrides the target \n * dialout vol rate. \n * @details * Inputs : referenceUFVolumeInMl * Outputs : referenceUFVolumeInMl * @param value : override target dialout vol rate (in mL/min) * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetDialOutUFRefVolumeOverride( F32 value ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; referenceUFVolumeInMl.ovData = value; referenceUFVolumeInMl.override = OVERRIDE_KEY; } return result; } /*********************************************************************//** * @brief * The testResetDialOutUFRefVolumeOverride function resets the override of the \n * target dialout vol rate. * @details * Inputs : referenceUFVolumeInMl * Outputs : referenceUFVolumeInMl * @return TRUE if override reset successful, FALSE if not *************************************************************************/ BOOL testResetDialOutUFRefVolumeOverride( void ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; referenceUFVolumeInMl.override = OVERRIDE_RESET; referenceUFVolumeInMl.ovData = referenceUFVolumeInMl.ovInitData; } return result; } /*********************************************************************//** * @brief * The testSetDialOutUFTotVolumeOverride function overrides the measured \n * dialout vol rate. \n * @details * Inputs : totalMeasuredUFVolumeInMl * Outputs : totalMeasuredUFVolumeInMl * @param value : override measured dialout vol rate (in mL/min) * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetDialOutUFTotVolumeOverride( F32 value ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; totalMeasuredUFVolumeInMl.ovData = value; totalMeasuredUFVolumeInMl.override = OVERRIDE_KEY; } return result; } /*********************************************************************//** * @brief * The testResetDialOutUFTotVolumeOverride function resets the override of the \n * measured dialout vol rate. * @details * Inputs : totalMeasuredUFVolumeInMl * Outputs : totalMeasuredUFVolumeInMl * @return TRUE if override reset successful, FALSE if not *************************************************************************/ BOOL testResetDialOutUFTotVolumeOverride( void ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; totalMeasuredUFVolumeInMl.override = OVERRIDE_RESET; totalMeasuredUFVolumeInMl.ovData = totalMeasuredUFVolumeInMl.ovInitData; } return result; } /*********************************************************************//** * @brief * The testSetMeasuredDialOutPumpRotorSpeedOverride function overrides the measured \n * dialOut pump rotor speed. \n * @details * Inputs : DialOutPumpRotorSpeedRPM * Outputs : DialOutPumpRotorSpeedRPM * @param value : override measured dialOut pump rotor speed (in RPM) * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetMeasuredDialOutPumpRotorSpeedOverride( F32 value ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpRotorSpeedRPM.ovData = value; dialOutPumpRotorSpeedRPM.override = OVERRIDE_KEY; } return result; } /*********************************************************************//** * @brief * The testResetMeasuredDialOutPumpRotorSpeedOverride function resets the override of the \n * measured dialOut pump rotor speed. * @details * Inputs : DialOutPumpRotorSpeedRPM * Outputs : DialOutPumpRotorSpeedRPM * @return TRUE if override reset successful, FALSE if not *************************************************************************/ BOOL testResetMeasuredDialOutPumpRotorSpeedOverride( void ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpRotorSpeedRPM.override = OVERRIDE_RESET; dialOutPumpRotorSpeedRPM.ovData = dialOutPumpRotorSpeedRPM.ovInitData; } return result; } /*********************************************************************//** * @brief * The testSetMeasuredDialOutPumpSpeedOverride function overrides the measured \n * dialOut pump motor speed. \n * @details * Inputs : dialOutPumpSpeedRPM * Outputs : dialOutPumpSpeedRPM * @param value : override measured dialOut pump motor speed (in RPM) * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetMeasuredDialOutPumpSpeedOverride( F32 value ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpSpeedRPM.ovData = value; dialOutPumpSpeedRPM.override = OVERRIDE_KEY; } return result; } /*********************************************************************//** * @brief * The testResetMeasuredDialOutPumpSpeedOverride function resets the override of the \n * measured dialOut pump motor speed. * @details * Inputs : dialOutPumpSpeedRPM * Outputs : dialOutPumpSpeedRPM * @return TRUE if override reset successful, FALSE if not *************************************************************************/ BOOL testResetMeasuredDialOutPumpSpeedOverride( void ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpSpeedRPM.override = OVERRIDE_RESET; dialOutPumpSpeedRPM.ovData = dialOutPumpSpeedRPM.ovInitData; } return result; } /*********************************************************************//** * @brief * The testSetMeasuredDialOutPumpMCSpeedOverride function overrides the measured \n * dialOut pump motor speed. * @details * Inputs : dialOutPumpMCSpeedRPM * Outputs : dialOutPumpMCSpeedRPM * @param value : override measured dialOut pump speed (in RPM) * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetMeasuredDialOutPumpMCSpeedOverride( F32 value ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpMCSpeedRPM.ovData = value; dialOutPumpMCSpeedRPM.override = OVERRIDE_KEY; } return result; } /*********************************************************************//** * @brief * The testResetMeasuredDialOutPumpMCSpeedOverride function resets the override of the \n * measured dialOut pump motor speed. * @details * Inputs : dialOutPumpMCSpeedRPM * Outputs : dialOutPumpMCSpeedRPM * @return TRUE if override reset successful, FALSE if not *************************************************************************/ BOOL testResetMeasuredDialOutPumpMCSpeedOverride( void ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpMCSpeedRPM.override = OVERRIDE_RESET; dialOutPumpMCSpeedRPM.ovData = dialOutPumpMCSpeedRPM.ovInitData; } return result; } /*********************************************************************//** * @brief * The testSetMeasuredDialOutPumpMCCurrentOverride function overrides the measured \n * dialOut pump motor current. * @details * Inputs : dialOutPumpMCCurrentmA * Outputs : dialOutPumpMCCurrentmA * @param value : override measured dialOut pump current (in mA) * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetMeasuredDialOutPumpMCCurrentOverride( F32 value ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpMCCurrentmA.ovData = value; dialOutPumpMCCurrentmA.override = OVERRIDE_KEY; } return result; } /*********************************************************************//** * @brief * The testResetMeasuredDialOutPumpMCCurrentOverride function resets the override of the \n * measured dialOut pump motor current. * @details * Inputs : dialOutPumpMCCurrentmA * Outputs : dialOutPumpMCCurrentmA * @return TRUE if override reset successful, FALSE if not *************************************************************************/ BOOL testResetMeasuredDialOutPumpMCCurrentOverride( void ) { BOOL result = FALSE; if ( TRUE == isTestingActivated() ) { result = TRUE; dialOutPumpMCCurrentmA.override = OVERRIDE_RESET; dialOutPumpMCCurrentmA.ovData = dialOutPumpMCCurrentmA.ovInitData; } return result; } /*********************************************************************//** * @brief * The testSetDialOutLoadCellWeightOverride function overrides the value of the \n * load cell sensor with a given weight (in grams). * @details * Inputs : loadCellWeightInGrams[] * Outputs : loadCellWeightInGrams[] * @param sensor : ID of load cell sensor to override weight for * @param value : override weight (in grams) for the given sensor * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testSetDialOutLoadCellWeightOverride( U32 sensor, F32 value ) { BOOL result = FALSE; if ( sensor < NUM_OF_LOAD_CELLS ) { if ( TRUE == isTestingActivated() ) { result = TRUE; loadCellWeightInGrams[ sensor ].ovData = value; loadCellWeightInGrams[ sensor ].override = OVERRIDE_KEY; } } return result; } /*********************************************************************//** * @brief * The testResetDialOutLoadCellWeightOverride function resets the override of the \n * load cell sensor. * @details * Inputs : loadCellWeightInGrams[] * Outputs : loadCellWeightInGrams[] * @param sensor : ID of load cell sensor to override weight for * @return TRUE if override successful, FALSE if not *************************************************************************/ BOOL testResetDialOutLoadCellWeightOverride( U32 sensor ) { BOOL result = FALSE; if ( sensor < NUM_OF_LOAD_CELLS ) { if ( TRUE == isTestingActivated() ) { result = TRUE; loadCellWeightInGrams[ sensor ].override = OVERRIDE_RESET; loadCellWeightInGrams[ sensor ].ovData = loadCellWeightInGrams[ sensor ].ovInitData; } } return result; } /**@}*/