Handwheel_Torque_MDD

Module -- Hand Wheel Torque2626

High-Level Description

This function calculates the Hand Wheel Torque and performs the diagnostics on the Torque input signals T1 and T2.

Figures

Component Diagram

Variable Data Dictionary

For details on module input / output variable, refer to the Data Dictionary for the application. Input / output variable names are listed here for reference.

Module Internal Variables

This section identifies the name, range and resolutions for module specific data created by this module. If there are no range restrictions on the variable, the term “FULL” is placed into the table for legal range.

User defined typedef definition/declaration

This section documents any user types uniquely used for the module.

Constant Data Dictionary

Calibration Constants

This section lists the calibrations used by the module. For details on calibration constants, refer to the Data Dictionary for the application.

Program(fixed) Constants

Embedded Constants

All embedded constants whose values are provided in Eng units will be evaluated to the equivalent counts by using the FPM_InitFixedPoint_m() macro within the #define statement.

Local

Global

This section lists the global constants used by the module. For details on global constants, refer to the Data Dictionary for the application.

Module specific Lookup Tables Constants

Functions/Macros used by the Sub-Modules

Library Functions / Macros

The library functions / Macros that are called by the various sub modules are identified below,

1. FPM_FixedToFloat_m()

2. FPM_FloatToFixed_m()

3. Limit_m()

4. Abs_f32_m ()

5. IntplVarXY_u16_u16Xu16Y_Cnt()

6. LPF_SvUpdate_s16InFixKTrunc_m()

7. LPF_OpUpdate_s16InFixKTrunc_m()

8. DiagPStep_m()

9. DiagNStep_m()

10. DiagFailed_m()

Data Hiding Functions

The data hiding functions / macros used in this module are identified below,

1. Rte_Pim_HwTrqTrimData()

2. Rte_Pim_HwTrqScaleData()

3. Rte_Pim_EOLTrqStepData()

4. Rte_Call_NxtrDiagMgr_SetNTCStatus()

5. Rte_Call_HwTrqTrim_WriteBlock()

6. Rte_Call_HwTrqScale_WriteBlock()

7. Rte_Call_NxtrDiagMgr_GetNTCFailed()

8. Rte_Call_NxtrDiagMgr_ResetEventStatus()

9. Rte_Call_HwTrqTrim_GetErrorStatus()

Local Functions/Macros Used by this MDD only

The local functions/macros in this module are identified below,

1. IsTrqScaleInRng_lgc()

2. TrqTrimPerfDiag()

Software Module Implementation

Initialization Functions

Init: HwTrq_Init

Design Rationale

None

Check Faults and Initialize Filters

Periodic Functions

Per: HwTrq_Per1

Design Rationale

None

Program Flow Start

Rte_Call_HwTrq_Per1_CP0_CheckpointReached()

Store Module Inputs to Local copies

AbsPosStepSignal_Cnt_T_u08 = Rte_IRead_HwTrq_Per1_AbsPosStepSignal_Cnt_u08()

Torque1_Volt_T_f32 = Rte_Iread_HwTrq_Per1_T1ADC_Volt_f32()

Torque2_Volt_T_f32 = Rte_Iread_HwTrq_Per1_T2ADC_Volt_f32()

Rte_Call_NxtrDiagMgr_GetNTCStatus(NTC_Num_TrqSensorRecoveryFlt, &DiagTrqRecvStatus_Cnt_T_u08)

Rte_Call_NxtrDiagMgr_GetNTCStatus(NTC_Num_T1OutofRange, &DiagT1OutofRangeStatus_Cnt_T_u08)

Rte_Call_NxtrDiagMgr_GetNTCStatus(NTC_Num_T2OutofRange, &DiagT2OutofRangeStatus_Cnt_T_u08)

Rte_Call_NxtrDiagMgr_GetNTCStatus(NTC_Num_T1vsT2, &DiagT1vsT2Status_Cnt_T_u08)

Rte_Call_NxtrDiagMgr_GetNTCStatus(NTC_Num_TrqSensorNotTrimmed, &DiagTrqTrimNotPerfStatus_Cnt_T_u08)

Rte_Call_NxtrDiagMgr_GetNTCStatus(NTC_Num_PriSnsrTrqStorFlt, &DiagTrqTrimInvalidStatus_Cnt_T_u08)

AbsPosStepSignal_Cnt_T_u08 = Limit_m(AbsPosStepSignal_Cnt_T_u08, D_ZERO_CNT_U8, D_NUMTRQSTEP_CNT_U08 - 1U)

Calculate Handwheel Torque and SCom Validity

Analog Error Active

Store Local copy of outputs into Module Outputs

AnaDiffHwTrq_Volt_M_f32 = DiffHwTorque_Volts_T_f32

AnaHwTorque_HwNm_M_f32 = AnaHwTorque_HwNm_T_f32

Rte_IWrite_HwTrq_Per1_AnaDiffHwTrq_Volt_f32(DiffHwTorque_Volts_T_f32)

Rte_Iwrite_HwTrq_Per1_AnaHwTorque_HwNm_f32(AnaHwTorque_HwNm_T_f32)

Rte_IWrite_HwTrq_Per1_SysCAnaHwTorque_HwNm_f32(AnaHwTorque_HwNm_T_f32)

Rte_IWrite_HwTrq_Per1_ErrorActiveAnalog_Cnt_enum(ErrorActiveAnalog_Cnt_T_enum)

Rte_Iwrite_HwTrq_Per1_SrlComHwTrqValid_Cnt_lgc(SrlComHwTrqValid_Cnt_T_lgc)

Program Flow End

Rte_Call_HwTrq_Per1_CP1_CheckpointReached()

Per: HwTrq_Per2

Design Rationale

None

Program Flow Start

Rte_Call_HwTrq_Per2_CP0_CheckpointReached()

Store Module Inputs to Local copies

CntrlDisRampComplete_Cnt_T_lgc = Rte_IRead_HwTrq_Per2_CntrlDisRampComplete_Cnt_lgc()

SysCHwTorqueSqd_HwNmSq_T_f32 = Rte_IRead_HwTrq_Per2_SysCHwTorqueSqd_HwNmSq_f32()

Torque1_Volt_T_f32 = Rte_Iread_HwTrq_Per2_T1ADC_Volt_f32()

Torque2_Volt_T_f32 = Rte_Iread_HwTrq_Per2_T2ADC_Volt_f32()

T1Trim_Volt_T_f32 = Rte_Pim_HwTrqTrimData()->T1Trim_Volts_f32

T2Trim_Volt_T_f32 = Rte_Pim_HwTrqTrimData()->T2Trim_Volts_f32

T1 & T2 Out of Range

T1 vs T2 Diagnostic

Torque Recovery Diagnostic

Handwheel Diff Torque Cross Check

Store Local copy of outputs into Module Outputs

TrqSum_Volt_M_s4p11 = TrqSum_Volt_T_s4p11

TDiagFiltOut_Volt_M_s4p11 = TDiagFiltOut_Volt_T_s4p11

AnaHwTorqueSqd_HwNmSq_D_f32 = AnaHwTorqueSqd_HwNmSq_T_f32

HWTorqCorrLimDiff_HwNmSq_D_f32 = HwTorqCorrLimDiff_HwNmSq_T_f32

HwTorqCh1vsCh2CorrLim_HwNmSq_D_f32 = HwTorqCh1vsCh2CorrLim_HwNmSq_T_f32

Program Flow End

Rte_Call_HwTrq_Per2_CP1_CheckpointReached()

Per: HwTrq_Per3

Design Rationale

None

Program Flow Start

Rte_Call_HwTrq_Per3_CP0_CheckpointReached()

Store Module Inputs to Local copies

None

T1 Vs T2 Diagnostic

Store Local copy of outputs into Module Outputs

Program Flow End

Rte_Call_HwTrq_Per3_CP1_CheckpointReached()

Serial Communication Functions

Scomm: HwTrq_Scom_ClrHwTrqScale

Design Rationale

None

Program Flow Start

N/A

Store Module Inputs to Local copies

Clear Handwheel Torque Scale Service

Store Local copy of outputs into Module Outputs

None

Program Flow End

N/A

Scomm: HwTrq_Scom_ClrHwTrqTrim

Design Rationale

None

Program Flow Start

N/A

Store Module Inputs to Local copies

Clear Handwheel Torque Trim Service

Store Local copy of outputs into Module Outputs

None

Program Flow End

N/A

Scomm: HwTrq_Scom_ReadHwTrqScale

Design Rationale

None

Program Flow Start

N/A

Store Module Inputs to Local copies

None

Read Handwheel Torque Scale Service

Store Local copy of outputs into Module Outputs

None

Program Flow End

N/A

Scomm: HwTrq_Scom_ReadHwTrqTrim

Design Rationale

None

Program Flow Start

N/A

Store Module Inputs to Local copies

None

Read Handwheel Torque Trim Service

Store Local copy of outputs into Module Outputs

None

Program Flow End

N/A

Scomm: HwTrq_Scom_SetHwTrqScale

Design Rationale

None

Program Flow Start

N/A

Store Module Inputs to Local copies

None

Set Handwheel Torque Scale Service

Store Local copy of outputs into Module Outputs

None

Program Flow End

N/A

Scomm: HwTrq_Scom_SetHwTrqTrim

Design Rationale

None

Program Flow Start

N/A

Store Module Inputs to Local copies

 Rte_Read_T1ADC_Volt_f32(&Torque1_Volt_T_f32)

Rte_Read_T2ADC_Volt_f32(&Torque2_Volt_T_f32)

Rte_Read_MECCounter_Cnt_enum(&MECCounter_Cnt_T_enum)

Set Handwheel Torque Trim Service

Store Local copy of outputs into Module Outputs

None

Program Flow End

N/A

Manual Set Hand wheel Torque Trim

Description

Scomm: HwTrq_SCom_ReadEOLTrqStep

Description

Scomm: HwTrq_SCom_SetEOLTrqStep

Description

Local Function/Macro Definitions

If these are numerous and defined in a separate source file then reference the source file only.

Is Torque Scale In Range Check

Description

Torque Trim Performance Diagnostic

Description

Execution Requirements

Execution Rates for sub-modules called by the Scheduler

This table serves as reference for the Scheduler design

Execution Requirements for Serial Communication Functions

Memory Map Definition Requirements

Sub Modules (Functions)

This table identifies the software segments for functions identified in this module.

Local Functions

This table identifies the software segments for local functions identified in this module.

Known Issues / Limitations With Design

INLINE functions defined in globalmacro.h are not unit tested

Revision Control Log