Index: firmware/App/Modes/ModeGenDialysate.c =================================================================== diff -u -r5126b79e4970ffe2ed9db4cccea18a1216c78570 -r67731d57db9a620418b3b848d8f75ff204902c36 --- firmware/App/Modes/ModeGenDialysate.c (.../ModeGenDialysate.c) (revision 5126b79e4970ffe2ed9db4cccea18a1216c78570) +++ firmware/App/Modes/ModeGenDialysate.c (.../ModeGenDialysate.c) (revision 67731d57db9a620418b3b848d8f75ff204902c36) @@ -26,11 +26,13 @@ #include "ModeGenDialysate.h" #include "ModeStandby.h" #include "OperationModes.h" +#include "PersistentAlarm.h" #include "Pressure.h" #include "TaskGeneral.h" #include "TDInterface.h" #include "Temperature.h" #include "Timers.h" +#include "Ultrafiltration.h" #include "Valves.h" /** @@ -40,49 +42,48 @@ // ********** private definitions ********** -#define FRESH_DIAL_PUMP_INITIAL_RPM 2500 ///< Nominal RPM target for fresh dialysate pump to maintain required pressure. -#define SPENT_DIAL_PUMP_INITIAL_RPM 2000 ///< Nominal RPM target for spent dialysate pump to maintain required pressure. -#define HYD_CHAMBER_FLUID_TEMP_C_MIN 35.0F ///< Minimum hydraulics fluid temperature in deg celcius -#define HYD_CHAMBER_PRES_CHECK_TIME_OUT ( 1 * SEC_PER_MIN * MS_PER_SECOND ) ///< Time out period when hydraulics chamber pressure check initiated -#define SPENT_DIAL_PRES_CHECK_TIME_OUT ( 1 * SEC_PER_MIN * MS_PER_SECOND ) ///< Time out period when spent dialysate pressure check initiated -//TODO : Needs further finetuning. currently max negative pressure reaches around 11.5 psi +/- 5% values defined for now -//#define HYD_CHAMBER_TARGET_NEG_PRESS_MIN_PSI (-11.7877F) ///< Hydraulics chamber minimum negative pressure(D9/PHo) in psi. -//#define HYD_CHAMBER_TARGET_NEG_PRESS_MAX_PSI (-12.2789F) ///< Hydraulics chamber maximum negative pressure(D9/PHo) in psi. -#define HYD_CHAMBER_TARGET_NEG_PRESS_MIN_PSI (-10.000F) ///< Hydraulics chamber minimum negative pressure(D9/PHo) in psi. -#define HYD_CHAMBER_TARGET_NEG_PRESS_MAX_PSI (-12.075F) ///< Hydraulics chamber maximum negative pressure(D9/PHo) in psi. -#define GEN_DIALYSATE_DATA_PUBLISH_INTERVAL ( MS_PER_SECOND / TASK_GENERAL_INTERVAL ) ///< Interval (ms/task time) at which the gen dialysate mode data published. +#define HYD_CHAMBER_FLUID_TEMP_C_MIN 35.0F ///< Minimum hydraulics fluid temperature in deg celcius +#define GEN_DIALYSATE_DATA_PUBLISH_INTERVAL ( MS_PER_SECOND / TASK_GENERAL_INTERVAL ) ///< Interval (ms/task time) at which the gen dialysate mode data published. +#define DIALYSATE_TEMP_OUT_OF_TARGET_CLEAR_TOL_C 2.0F ///< Dialysate temperature clear alarm tolerance C +#define DIALYSATE_TEMP_OUT_OF_TARGET_TOL_C 4.0F ///< Dialysate temperature out of target tolerance C. +#define DIALYSATE_TEMP_OUT_OF_TARGET_TIMEOUT_MS ( 90 * MS_PER_SECOND ) ///< Dialysate temperature out of target timeout in milliseconds. +#define DIALYSATE_TEMP_UPPER_MAX_SAFETY_LIMIT_C 46.0F ///< Dialysate upper bound maximum temperature limit in C. +#define DIALYSATE_TEMP_UPPER_MAX_SAFETY_TIMEOUT_MS ( 1 * MS_PER_SECOND ) ///< Dialysate temperature upper bound maximum safety timeout in milliseconds. +#define DIALYSATE_TEMP_UPPER_SAFETY_LIMIT_C 42.0F ///< Dialysate upper bound safety temperature limit in C. +#define DIALYSATE_TEMP_LOWER_SAFETY_LIMIT_C 33.0F ///< Dialysate lower bound safety temperature limit in C. +#define DIALYSATE_TEMP_CLEAR_TIMEOUT_MS ( 10 * MS_PER_SECOND ) ///< Dialysate temperature clear persistence timeout. +//Testing +#define DELAY_BC_SWITCHING_AT_START_UP ( 3 * MS_PER_SECOND ) ///< Provide a balancing chamber switching start up delay to stabilize pump speed etc., /// Payload record structure for Gen dialysate execution state set request typedef struct { - U32 execStateSet; ///< Gen dialysate execution state machine set request + U32 execStateSet; ///< Gen dialysate execution state machine set request } GEND_EXEC_STATE_SET_CMD_PAYLOAD_T; // ********** private data ********** static DD_GEND_MODE_STATE_T genDialysateState = DD_GEND_STATE_START; ///< Currently active gen dialysate state. static OVERRIDE_F32_T targetHydChamberFluidTemp; ///< Target hydraulics chamber fluid temperature. -static U32 hydChamberPressureCheckStartTimeMS; ///< Current time when hydraulics chamber pressure check satrted in milliseconds. -static U32 spentDialPressureCheckStartTimeMS; ///< Current time when spent dialysate pressure check started in milliseconds. static OVERRIDE_U32_T isDialDeliveryInProgress; ///< To indicate dialysate started delivering to dialyzer for treatment (overrideable) static OVERRIDE_U32_T isDialysateGoodtoDeliver; ///< Flag indicating whether ready to deliver dialysate or not. +static BOOL pendingStopDDGenDialRequest; ///< Flag indicating TD has requested DD stop the generate dialysate. static U32 genDialysateDataPublicationTimerCounter; ///< Used to schedule generate dialysate data publication to CAN bus. static OVERRIDE_U32_T genDialysateDataPublishInterval; ///< Generate dialysate mode data publish interval. -static F32 lastDialTargetTemperatureSet; ///< last dialysate target temperature set for heater control static BOOL isTreatmentParamUpdated; ///< To indicate change in treatment parameters +//Testing +static U32 bypassStateDelayStartTimeMS; ///< Delay balancing chamber switching for a second to preapre pump steady state. +static BOOL delayBypassStateFlag; ///< To indicate change in treatment parameters // ********** private function prototypes ********** static void setModeGenDStateTransition( DD_GEND_MODE_STATE_T state ); -static BOOL hydChamberWaterInletControl( void ); -static DD_GEND_MODE_STATE_T handleGenDHydraulicsChamberWaterInletCheckState( void ); -static DD_GEND_MODE_STATE_T handleGenDHydChamberPressureCheckState( void ); -static DD_GEND_MODE_STATE_T handleGenDFreshDialysatePressureCheckState( void ); -static DD_GEND_MODE_STATE_T handleGenDSpentDialysatePressureCheckState( void ); -static DD_GEND_MODE_STATE_T handleGenDProduceDialysateState( void ); +static DD_GEND_MODE_STATE_T handleGenDDialysateBypassState( void ); static DD_GEND_MODE_STATE_T handleGenDDialysateDeliveryState( void ); static DD_GEND_MODE_STATE_T handleGenDDialysateDeliveryPauseState( void ); +static DD_GEND_MODE_STATE_T handleGenDDialysateIsolatedUFState( void ); static F32 getGenDialysateTargetTemperature( void ); +static void checkDialysateTemperature( void ); static void publishGenDialysateModeData( void ); /*********************************************************************//** @@ -107,18 +108,23 @@ isDialDeliveryInProgress.ovData = FALSE; isDialDeliveryInProgress.ovInitData = FALSE; isDialDeliveryInProgress.override = OVERRIDE_RESET; - hydChamberPressureCheckStartTimeMS = 0; - spentDialPressureCheckStartTimeMS = 0; + pendingStopDDGenDialRequest = FALSE; genDialysateDataPublishInterval.data = GEN_DIALYSATE_DATA_PUBLISH_INTERVAL; genDialysateDataPublishInterval.ovData = GEN_DIALYSATE_DATA_PUBLISH_INTERVAL; genDialysateDataPublishInterval.ovInitData = 0; genDialysateDataPublishInterval.override = OVERRIDE_RESET; genDialysateDataPublicationTimerCounter = 0; - lastDialTargetTemperatureSet = 0.0F; isTreatmentParamUpdated = FALSE; + //Testing + bypassStateDelayStartTimeMS = 0; + delayBypassStateFlag = TRUE; //Initialize balancing chamber module initBalanceChamber(); + + initPersistentAlarm( ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_TARGET_TEMP, DIALYSATE_TEMP_CLEAR_TIMEOUT_MS, DIALYSATE_TEMP_OUT_OF_TARGET_TIMEOUT_MS ); + initPersistentAlarm( ALARM_ID_DD_DIALYSATE_TEMP_BELOW_TARGET_TEMP, DIALYSATE_TEMP_CLEAR_TIMEOUT_MS, DIALYSATE_TEMP_OUT_OF_TARGET_TIMEOUT_MS ); + initPersistentAlarm( ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_SAFETY_TEMP, DIALYSATE_TEMP_CLEAR_TIMEOUT_MS, DIALYSATE_TEMP_UPPER_MAX_SAFETY_TIMEOUT_MS ); } /*********************************************************************//** @@ -133,6 +139,7 @@ { initGenDialysateMode(); setCurrentSubState( NO_SUB_STATE ); + transitionToUltrafiltration(); return genDialysateState; } @@ -180,94 +187,45 @@ // Do nothing break; - case DD_GEND_HYD_CHAMBER_WATER_INLET_CHECK_STATE: - // Close all balancing chamber and hydraulics valves - valveControlForBCClosedState(); - setHydValvesStatetoClosedState(); - setUFValvesStatetoClosedState(); - setValveState( M4_VALV, VALVE_STATE_OPEN ); - + case DD_GEND_DIALYSATE_BYPASS_STATE: + //Previous state + setValveState( DD_M4_VALV, VALVE_STATE_OPEN ); // Get the target temperature from TD targetHydChamberFluidTemp.data = getTDTargetDialysateTemperature(); - // Turn on the primary heater setHeaterTargetTemperature( D5_HEAT, getGenDialysateTargetTemperature() ); startHeater( D5_HEAT ); - lastDialTargetTemperatureSet = getGenDialysateTargetTemperature(); - break; - case DD_GEND_HYD_CHAMBER_PRESSURE_CHECK_STATE: - //Previous state - setValveState( M4_VALV, VALVE_STATE_OPEN ); - startHeater( D5_HEAT ); - - // Open up VHo valve setValveState( D14_VALV, VALVE_STATE_OPEN ); - // Start timer for hyd chamber negative pressure check state - hydChamberPressureCheckStartTimeMS = getMSTimerCount(); - // Start D12/DGP pump - setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM ); - break; - - case DD_GEND_FRESH_DIALYSATE_PRESSURE_CHECK_STATE: - //Previous state - setValveState( M4_VALV, VALVE_STATE_OPEN ); - startHeater( D5_HEAT ); - setValveState( D14_VALV, VALVE_STATE_OPEN ); - setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM ); - - // Lets be DGP continue running since pressure relief valve was set/ tuned part of priming process - hydChamberPressureCheckStartTimeMS = getMSTimerCount(); - break; - - case DD_GEND_SPENT_DIALYSATE_PRESSURE_CHECK_STATE: - //Previous state - setValveState( M4_VALV, VALVE_STATE_OPEN ); - startHeater( D5_HEAT ); - setValveState( D14_VALV, VALVE_STATE_OPEN ); - setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM ); - - // Start the timer for spent dialysate pressure check - spentDialPressureCheckStartTimeMS = getMSTimerCount(); - - // Open only fresh side balancing chamber valves - valveControlForBCFreshSideOnlyOpenState(); - - // Make sure valves are in correct position + //Testing : Enable close loop once testing is complete + //setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, FALSE ); + setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, TRUE ); setValveState( D53_VALV, VALVE_STATE_OPEN ); // Drain valve - setValveState( D35_VALV, VALVE_STATE_CLOSED ); // VDI - setValveState( D40_VALV, VALVE_STATE_CLOSED ); // VDO - setValveState( D34_VALV, VALVE_STATE_OPEN ); // Bypass valve - - // Start D48/SDP pump - setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM ); - break; - - case DD_GEND_PRODUCE_DIALYSATE_STATE: - //Previous state - setValveState( M4_VALV, VALVE_STATE_OPEN ); - startHeater( D5_HEAT ); - setValveState( D14_VALV, VALVE_STATE_OPEN ); - setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM ); - setValveState( D53_VALV, VALVE_STATE_OPEN ); // Drain valve setValveState( D35_VALV, VALVE_STATE_CLOSED ); // VDI setValveState( D40_VALV, VALVE_STATE_CLOSED ); // VDO setValveState( D34_VALV, VALVE_STATE_OPEN ); // Bypass valve - setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM ); + //setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM, FALSE ); + setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM, TRUE ); - //Close previously opened BC valves - valveControlForBCClosedState(); + transitionToBalChamberFill(); + //Testing + bypassStateDelayStartTimeMS = getMSTimerCount(); break; case DD_GEND_DIALYSATE_DELIVERY_STATE: //Previous state - setValveState( M4_VALV, VALVE_STATE_OPEN ); + setValveState( DD_M4_VALV, VALVE_STATE_OPEN ); + // Get the target temperature from TD + targetHydChamberFluidTemp.data = getTDTargetDialysateTemperature(); + setHeaterTargetTemperature( D5_HEAT, getGenDialysateTargetTemperature() ); startHeater( D5_HEAT ); setValveState( D14_VALV, VALVE_STATE_OPEN ); - setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM ); + //setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, FALSE ); + setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, TRUE ); setValveState( D53_VALV, VALVE_STATE_OPEN ); // Drain valve - setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM ); + //setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM, FALSE ); + setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM, TRUE ); // Disable bypass valve setValveState( D34_VALV, VALVE_STATE_CLOSED ); // Bypass valve @@ -281,6 +239,7 @@ signalDialysatePumpHardStop( D48_PUMP ); requestConcentratePumpOff( D11_PUMP, FALSE ); requestConcentratePumpOff( D10_PUMP, FALSE ); + requestConcentratePumpOff( D76_PUMP, FALSE ); stopHeater( D5_HEAT ); stopHeater( D45_HEAT ); @@ -290,9 +249,13 @@ setValveState( D40_VALV, VALVE_STATE_CLOSED ); // VDO setValveState( D34_VALV, VALVE_STATE_OPEN ); // Bypass valve - //close the DD - water inlet and drain valves? + //TODO : close the DD - water inlet and drain valves? break; + case DD_GEND_ISOLATED_UF_STATE: + //TODO : define actuators states + break; + default: SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DD_SOFTWARE_FAULT, SW_FAULT_ID_GEND_MODE_INVALID_EXEC_STATE1, state ) break; @@ -302,72 +265,64 @@ /*********************************************************************//** * @brief * The execGenDialysateMode function executes the Gen dialysate mode state machine. - * @details \b Inputs: none + * @details \b Inputs: pendingStopDDGenDialRequest,genDialysateState * @details \b Outputs: Gen dialysate mode state machine executed * @details \b Alarm: ALARM_ID_DD_SOFTWARE_FAULT when wrong gen dialysate state invoked. * @return current state. *************************************************************************/ U32 execGenDialysateMode( void ) { - // Continuous water inlet pressure check - if ( genDialysateState != DD_GEND_DIALYSATE_DELIVERY_PAUSE ) - { - if ( TRUE == areInletWaterConditionsAlarmsActive() ) // Check RO alarms as required - { - setModeGenDStateTransition( DD_GEND_DIALYSATE_DELIVERY_PAUSE ); - genDialysateState = DD_GEND_DIALYSATE_DELIVERY_PAUSE; - } - } + // Manage water level control + hydChamberWaterInletControl(); - // Manage water inlet temperature - if ( genDialysateState > DD_GEND_HYD_CHAMBER_WATER_INLET_CHECK_STATE ) - { - hydChamberWaterInletControl(); - } - // Update any dynamic treatment parameter changes updateTreatmentSettings(); - // execute current gen dialysate state - switch ( genDialysateState ) - { - case DD_GEND_STATE_START: - setModeGenDStateTransition( DD_GEND_HYD_CHAMBER_WATER_INLET_CHECK_STATE ); - genDialysateState = DD_GEND_HYD_CHAMBER_WATER_INLET_CHECK_STATE; - break; +#ifdef ENABLE_ALARM_2 + //Check dialysate temperature high/low alarms + checkDialysateTemperature(); +#endif - case DD_GEND_HYD_CHAMBER_WATER_INLET_CHECK_STATE: - genDialysateState = handleGenDHydraulicsChamberWaterInletCheckState(); - break; + //Check temperature drift between D30 and D28 + checkDialysateTemperatureSensors(); - case DD_GEND_HYD_CHAMBER_PRESSURE_CHECK_STATE: - genDialysateState = handleGenDHydChamberPressureCheckState(); - break; + //TODO: Transition to post gen dialysate then standby. + if ( TRUE == pendingStopDDGenDialRequest ) + { + pendingStopDDGenDialRequest = FALSE; + requestNewOperationMode( DD_MODE_STAN ); + } + else + { + // execute current gen dialysate state + switch ( genDialysateState ) + { + case DD_GEND_STATE_START: + setModeGenDStateTransition( DD_GEND_DIALYSATE_BYPASS_STATE ); + genDialysateState = DD_GEND_DIALYSATE_BYPASS_STATE; + break; - case DD_GEND_FRESH_DIALYSATE_PRESSURE_CHECK_STATE: - genDialysateState = handleGenDFreshDialysatePressureCheckState(); - break; + case DD_GEND_DIALYSATE_BYPASS_STATE: + genDialysateState = handleGenDDialysateBypassState(); + break; - case DD_GEND_SPENT_DIALYSATE_PRESSURE_CHECK_STATE: - genDialysateState = handleGenDSpentDialysatePressureCheckState(); - break; + case DD_GEND_DIALYSATE_DELIVERY_STATE: + genDialysateState = handleGenDDialysateDeliveryState(); + break; - case DD_GEND_PRODUCE_DIALYSATE_STATE: - genDialysateState = handleGenDProduceDialysateState(); - break; + case DD_GEND_DIALYSATE_DELIVERY_PAUSE: + genDialysateState = handleGenDDialysateDeliveryPauseState(); + break; - case DD_GEND_DIALYSATE_DELIVERY_STATE: - genDialysateState = handleGenDDialysateDeliveryState(); - break; + case DD_GEND_ISOLATED_UF_STATE: + genDialysateState = handleGenDDialysateIsolatedUFState(); + break; - case DD_GEND_DIALYSATE_DELIVERY_PAUSE: - genDialysateState = handleGenDDialysateDeliveryPauseState(); - break; - - default: - SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DD_SOFTWARE_FAULT, SW_FAULT_ID_GEND_MODE_INVALID_EXEC_STATE, genDialysateState ) - genDialysateState = DD_GEND_STATE_START; - break; + default: + SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DD_SOFTWARE_FAULT, SW_FAULT_ID_GEND_MODE_INVALID_EXEC_STATE, genDialysateState ) + genDialysateState = DD_GEND_STATE_START; + break; + } } //Publish Gen dialysate mode data @@ -384,31 +339,21 @@ * @details \b Outputs: none * @return the current state of gen dialysate mode *************************************************************************/ -static BOOL hydChamberWaterInletControl( void ) +BOOL hydChamberWaterInletControl( void ) { // Read floater switch BOOL result = FALSE; LEVEL_STATE_T floaterLevel = getLevelStatus( D6_LEVL ); - // Get the target temperature from TD - targetHydChamberFluidTemp.data = getTDTargetDialysateTemperature(); + //Make sure Water Inlet Valve is open + setValveState( DD_M4_VALV, VALVE_STATE_OPEN ); // High level is met if ( LEVEL_STATE_HIGH == floaterLevel ) { - // Get the target dialysate temperature - F32 targetTemperature = getGenDialysateTargetTemperature(); - //turn off inlet water valve setValveState( D3_VALV, VALVE_STATE_CLOSED ); - if ( lastDialTargetTemperatureSet != targetTemperature ) - { - // Update the target temperature for heater control - setHeaterTargetTemperature( D5_HEAT, targetTemperature ); - lastDialTargetTemperatureSet = targetTemperature; - } - // Water level reached high. result = TRUE; } @@ -423,136 +368,48 @@ /*********************************************************************//** * @brief - * The handleGenDHydraulicsChamberWaterInletCheckState function checks the - * water level and allow the water into hydraulics for dialysate generation. - * @details \b Inputs: floater levels. + * The handleGenDDialysateIsolatedUFState function performs the + * Isolated ultrafiltration operations. + * @details \b Inputs: none. * @details \b Outputs: none * @return the current state of gen dialysate mode *************************************************************************/ -static DD_GEND_MODE_STATE_T handleGenDHydraulicsChamberWaterInletCheckState( void ) +static DD_GEND_MODE_STATE_T handleGenDDialysateIsolatedUFState( void ) { - DD_GEND_MODE_STATE_T state = DD_GEND_HYD_CHAMBER_WATER_INLET_CHECK_STATE; + DD_GEND_MODE_STATE_T state = DD_GEND_ISOLATED_UF_STATE; - // Allow water inlet to hydraulics chamber - if ( TRUE == hydChamberWaterInletControl() ) - { - // if water level is met, move to pressure check state - setModeGenDStateTransition( DD_GEND_HYD_CHAMBER_PRESSURE_CHECK_STATE ); - state = DD_GEND_HYD_CHAMBER_PRESSURE_CHECK_STATE; - } + //TODO: define isoalted ultrafiltration. return state; } /*********************************************************************//** * @brief - * The handleGenDHydChamberPressureCheckState function checks the - * hydraulics chamber pressure at chamber 4 of hydraulics. - * @details \b Inputs: pressure sensor readings, hydChamberPressureCheckStartTimeMS - * @details \b Outputs: none + * The handleGenDDialysateBypassState function produces dialysate + * by executing balancing chamber and decides to pass the dialysate + * to dialyzer for treatment. + * @details \b Inputs: none + * @details \b Outputs: balancing chamber state. * @return the current state of gen dialysate mode *************************************************************************/ -static DD_GEND_MODE_STATE_T handleGenDHydChamberPressureCheckState( void ) +static DD_GEND_MODE_STATE_T handleGenDDialysateBypassState( void ) { - DD_GEND_MODE_STATE_T state = DD_GEND_HYD_CHAMBER_PRESSURE_CHECK_STATE; - F32 hydPressure = getFilteredPressure( D9_PRES ); + DD_GEND_MODE_STATE_T state = DD_GEND_DIALYSATE_BYPASS_STATE; - // Hydraulics chamber negative pressure is in range ( -24 to -25 inHg ) - if ( ( hydPressure <= HYD_CHAMBER_TARGET_NEG_PRESS_MIN_PSI ) && ( hydPressure >= HYD_CHAMBER_TARGET_NEG_PRESS_MAX_PSI ) ) + //Testing + if ( TRUE == delayBypassStateFlag ) { - // Proceed to next state - setModeGenDStateTransition( DD_GEND_FRESH_DIALYSATE_PRESSURE_CHECK_STATE ); - state = DD_GEND_FRESH_DIALYSATE_PRESSURE_CHECK_STATE; + if ( TRUE == didTimeout( bypassStateDelayStartTimeMS, DELAY_BC_SWITCHING_AT_START_UP ) ) + { + delayBypassStateFlag = FALSE; + } } - else if ( TRUE == didTimeout( hydChamberPressureCheckStartTimeMS, HYD_CHAMBER_PRES_CHECK_TIME_OUT ) ) + else { - // time out alarm and pause the dialysate generation? - SET_ALARM_WITH_1_F32_DATA( ALARM_ID_DD_GEND_HYD_CHAMBER_PRESS_OUT_OF_RANGE, hydPressure ); - state = DD_GEND_DIALYSATE_DELIVERY_PAUSE; + //Execute balancing chamber + execBalancingChamberControl(); } - return state; -} - -/*********************************************************************//** - * @brief - * The handleGenDFreshDialysatePressureCheckState function checks the - * positive pressure level ( chamber 5) of hydraulics chamber or fresh - * dialysate side. - * @details \b Inputs: pressure sensor readings,hydChamberPressureCheckStartTimeMS - * @details \b Outputs: none - * @return the current state of gen dialysate mode - *************************************************************************/ -static DD_GEND_MODE_STATE_T handleGenDFreshDialysatePressureCheckState( void ) -{ - DD_GEND_MODE_STATE_T state = DD_GEND_FRESH_DIALYSATE_PRESSURE_CHECK_STATE; - F32 hydPressure = getFilteredPressure( D18_PRES ); - - // Hydraulics chamber postive pressure is in range - if ( ( hydPressure >= FRESH_DIAL_PRESSURE_MIN_PSIG ) && ( hydPressure <= FRESH_DIAL_PRESSURE_MAX_PSIG ) ) - { - // Proceed to next state - setModeGenDStateTransition( DD_GEND_SPENT_DIALYSATE_PRESSURE_CHECK_STATE ); - state = DD_GEND_SPENT_DIALYSATE_PRESSURE_CHECK_STATE; - } - else if ( TRUE == didTimeout( hydChamberPressureCheckStartTimeMS, HYD_CHAMBER_PRES_CHECK_TIME_OUT ) ) - { - // time out alarm and pause the dialysate generation? - SET_ALARM_WITH_1_F32_DATA( ALARM_ID_DD_GEND_FRESH_DIAL_PRESS_OUT_OF_RANGE, hydPressure ); - state = DD_GEND_DIALYSATE_DELIVERY_PAUSE; - } - - return state; -} - -/*********************************************************************//** - * @brief - * The handleGenDSpentDialysatePressureCheckState function checks the - * spent dialyaste pressure is in range to begin balancing chamber dialysate - * delivery. - * @details \b Inputs: pressure sensor readings,spentDialPressureCheckStartTimeMS. - * @details \b Outputs: none - * @return the current state of gen dialysate mode - *************************************************************************/ -static DD_GEND_MODE_STATE_T handleGenDSpentDialysatePressureCheckState( void ) -{ - DD_GEND_MODE_STATE_T state = DD_GEND_SPENT_DIALYSATE_PRESSURE_CHECK_STATE; - F32 spentdialPressure = getFilteredPressure( D51_PRES ); - - // Spent dialysate pressure is in range - if ( ( spentdialPressure >= SPENT_DIAL_PRESSURE_MIN_PSIG ) && ( spentdialPressure <= SPENT_DIAL_PRESSURE_MAX_PSIG ) ) - { - // Proceed to next state - transitionToBalChamberFill(); - setModeGenDStateTransition( DD_GEND_PRODUCE_DIALYSATE_STATE ); - state = DD_GEND_PRODUCE_DIALYSATE_STATE; - } - else if ( TRUE == didTimeout( spentDialPressureCheckStartTimeMS, SPENT_DIAL_PRES_CHECK_TIME_OUT ) ) - { - // time out alarm and pause the dialysate generation? - SET_ALARM_WITH_1_F32_DATA( ALARM_ID_DD_GEND_SPENT_DIAL_PRESS_OUT_OF_RANGE, spentdialPressure ); - state = DD_GEND_DIALYSATE_DELIVERY_PAUSE; - } - - return state; -} - -/*********************************************************************//** - * @brief - * The handleGenDProduceDialysateState function produces dialysate - * by executing balancing chamber and decides to pass the dialysate - * for treatment. - * @details \b Inputs: none - * @details \b Outputs: balancing chamber state. - * @return the current state of gen dialysate mode - *************************************************************************/ -static DD_GEND_MODE_STATE_T handleGenDProduceDialysateState( void ) -{ - DD_GEND_MODE_STATE_T state = DD_GEND_PRODUCE_DIALYSATE_STATE; - - //Execute balancing chamber - execBalancingChamberControl(); - //if the produced dialysate is good and TD asks for dialysate delivery //move to next state if ( ( TRUE == getDialGoodToDeliverStatus() ) && ( FALSE == getTDDialyzerBypass() ) ) @@ -580,20 +437,44 @@ //Execute balancing chamber execBalancingChamberControl(); + //Execute ultrafiltration + execUFControl(); + // if TD asks for bypass or dialysate is not good to deliver - //transition to produce dialystate state + //transition to bypass dialystate state if ( ( FALSE == getDialGoodToDeliverStatus() ) || ( TRUE == getTDDialyzerBypass() ) ) { - setModeGenDStateTransition( DD_GEND_PRODUCE_DIALYSATE_STATE ); + setModeGenDStateTransition( DD_GEND_DIALYSATE_BYPASS_STATE ); isDialDeliveryInProgress.data = FALSE; - state = DD_GEND_PRODUCE_DIALYSATE_STATE; + state = DD_GEND_DIALYSATE_BYPASS_STATE; } return state; } /*********************************************************************//** * @brief + * The requestDDGenDialyasteStop function handles an TD request to stop + * generation dialysis mode. + * @details \b Inputs: Generation dialysate mode / state + * @details \b Outputs: mode pendingStopDDGenDialRequest + * @return TRUE if request accepted, FALSE if not. + *************************************************************************/ +BOOL requestDDGenDialyasteStop( void ) +{ + BOOL status = FALSE; + + if ( DD_MODE_GEND == getCurrentOperationMode() ) + { + pendingStopDDGenDialRequest = TRUE; + status = TRUE; + } + + return status; +} + +/*********************************************************************//** + * @brief * The handleGenDDialysateDeliveryPauseState function pause the dialysate * delivery due to alarms conditions or some control asked to be in * paused state. @@ -650,10 +531,16 @@ // Update any dynamic treatment parameter changes if ( TRUE == isTreatmentParamUpdated ) { - // Update the Balancing chamber switching rate based on dialysis rate + // Update the balancing chamber switching rate based on dialysis rate updateBalChamberSwitchingPeriod(); + // Get the target temperature from TD + targetHydChamberFluidTemp.data = getTDTargetDialysateTemperature(); + // Update the target temperature for heater control + setHeaterTargetTemperature( D5_HEAT, getGenDialysateTargetTemperature() ); + //TODO: update others parameters setting as needed. + signalUFRateUpdate(); //reset the flag isTreatmentParamUpdated = FALSE; @@ -722,6 +609,63 @@ /*********************************************************************//** * @brief + * The checkDialysateTemperature function checks the dialysate temperature + * against the target temperature and alarm if temperature is out of range. + * @details \b Inputs: targetTemp, dialysateTemp + * @details \b Outputs: none + * @details \b Alarms: ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_SAFETY_TEMP when + * dialysate temp goes beyound high safety temperature limit + * @details \b Alarms: ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_TARGET_TEMP when + * dialysate temp goes beyound high temperature limit + * @details \b Alarms: ALARM_ID_DD_DIALYSATE_TEMP_BELOW_TARGET_TEMP when + * dialysate temp goes beyound low temperature limit + * @return none + *************************************************************************/ +static void checkDialysateTemperature( void ) +{ + F32 dialysateTemp = getConductivityTemperatureValue( D29_COND ); // Assuming the closest temp sensor to dialyzer + F32 targetTemp = getTDTargetDialysateTemperature(); + BOOL isDialTempAboveHighSafety = ( dialysateTemp >= DIALYSATE_TEMP_UPPER_MAX_SAFETY_LIMIT_C ? TRUE : FALSE ); + BOOL isDialTempAboveLowSafety = ( dialysateTemp > DIALYSATE_TEMP_UPPER_SAFETY_LIMIT_C ? TRUE : FALSE ); + BOOL isDialTempBelowLowSafety = ( dialysateTemp < DIALYSATE_TEMP_LOWER_SAFETY_LIMIT_C ? TRUE : FALSE ); + F32 dialHigh = targetTemp + DIALYSATE_TEMP_OUT_OF_TARGET_TOL_C; + BOOL isDialTempAboveDialysateTarget = ( dialysateTemp > dialHigh ? TRUE : FALSE ); + F32 dialLow = targetTemp - DIALYSATE_TEMP_OUT_OF_TARGET_TOL_C; + BOOL isDialTempBelowDialysateTarget = ( dialysateTemp < dialLow ? TRUE : FALSE ); + BOOL isTempBelowTrigger = (BOOL)( isDialTempBelowLowSafety || isDialTempBelowDialysateTarget ); + BOOL isTempAboveTrigger = (BOOL)( isDialTempAboveLowSafety || isDialTempAboveDialysateTarget ); + + if ( DD_GEND_DIALYSATE_DELIVERY_STATE == genDialysateState ) + { + // check clear condition first + if ( TRUE == isAlarmActive( ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_SAFETY_TEMP ) ) + { + isDialTempAboveHighSafety = ( dialysateTemp <= ( targetTemp + DIALYSATE_TEMP_OUT_OF_TARGET_CLEAR_TOL_C ) ? FALSE : TRUE ); + } + checkPersistentAlarm(ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_SAFETY_TEMP, isDialTempAboveHighSafety, dialysateTemp, targetTemp ); + + if ( TRUE == isAlarmActive( ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_TARGET_TEMP ) ) + { + isTempAboveTrigger = ( dialysateTemp <= ( targetTemp + DIALYSATE_TEMP_OUT_OF_TARGET_CLEAR_TOL_C ) ? FALSE : TRUE ); + } + checkPersistentAlarm(ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_TARGET_TEMP, isTempAboveTrigger, dialysateTemp, targetTemp ); + + if ( TRUE == isAlarmActive( ALARM_ID_DD_DIALYSATE_TEMP_BELOW_TARGET_TEMP ) ) + { + isTempBelowTrigger = ( dialysateTemp >= ( targetTemp - DIALYSATE_TEMP_OUT_OF_TARGET_CLEAR_TOL_C ) ? FALSE : TRUE ); + } + checkPersistentAlarm(ALARM_ID_DD_DIALYSATE_TEMP_BELOW_TARGET_TEMP, isTempBelowTrigger, dialysateTemp, targetTemp ); + } + else + { + checkPersistentAlarm(ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_SAFETY_TEMP, FALSE, dialysateTemp, targetTemp ); + checkPersistentAlarm(ALARM_ID_DD_DIALYSATE_TEMP_ABOVE_TARGET_TEMP, FALSE, dialysateTemp, targetTemp ); + checkPersistentAlarm(ALARM_ID_DD_DIALYSATE_TEMP_BELOW_TARGET_TEMP, FALSE, dialysateTemp, targetTemp ); + } +} + +/*********************************************************************//** + * @brief * The publishGenDialysateModeData function broadcasts the generate dialysate * mode data at defined interval. * @details \b Inputs: genDialysateDataPublicationTimerCounter