ADCdriverimplement0718v10.docx

ADCdriverimplement0718v10.docx

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ADCdriverimplement0718v10

ADCDriverImplementDocument

TianjinUniversity—InfineonAutomotiveElectronicJointLaboratory

StateKeyLaboratoryofEngines

TianJinUniversity,China

TianjinUniversity—InfineonAutomotiveElectronicJointLaboratory

Revisionhistory

Version

By

Modifications

V0.1,18thJuly2007

JiangTang

Creation

Contents

1Introduction4

1.1Overview4

1.2Reference4

2.Typedefinition5

3GlobalVariable6

4FunctionDefinitions7

4.1InitSync7

4.2DeInitSync8

4.3GetVersionOfDriver9

4.4ADC0_StartSampleSync10

4.5ADC0_StartSampleAllSync10

4.6ADC0_GetSync10

4.7ADC0_GetStateSync11

4.8ADC_StopSampleSync11

5ResourcesConfiguration12

5.1PeriperalConfig12

5.2InterruptConfig12

6CompileEnvironment13

1Introduction

1.1Overview

ThisdocumentdescribestheimplementationsoftheADCdrivertobedevelopedintheframeoftheGEMS-K1project.

TheADCdriverconfiguresconvertinganalogsignalstodigitalsignals.

1.2Reference

[1]ADCdrivertestreport

2.Typedefinition

Type

Description

Range

IO_ErrorType

Recommendedtype:

16bitunsignedvalue.Numbersfrom0to15arereservedfortheHISIOLibraryitself,numbersbetween16and63aredefinedintheHISIODriverdocument.Errorcodesfrom64to127arefordriverspecificerrorcodesnotdefinedintheHISIODriverdocumentandnumbersstartingfrom128arereservedforfutureuse.

IO_E_OK

IO_E_BUSY1

IO_E_UNKNOWN_MODE

IO_U32

Recommendedtype:

16bitunsignedvalue.

100

IO_ValueType

Recommendedtype:

16bitunsignedvalue.

IO_DeviceStateType

Recommendedtype:

16bitunsignedvalue.

IO_STATE_IDLE

IO_STATE_ACTIVE

3GlobalVariable

Thischapterdescribestheglobalvariable.

Varialbes

Type

Description

4FunctionDefinitions

4.1InitSync

Syntax

IO_ErrorTypeInitSync（void）;

Parameters

none

Return

IO_E_OK:

initializationwassuccessful.

Notification

Description

ThisistheinitializationfunctionoftheADCfunctionlibrary.ItisassumedthattheSFRsusedbythislibraryareintheirresetstate.

Reentrancy

No

Remarks

4.2

DeInitSync

Syntax

IO_ErrorTypeDeInitSync（void）

Parameters

None

Return

IO_E_OK:

deinitializationwassuccessful.

Notification

Description

ThisisthedeinitializationfunctionoftheADCfunctionlibrary.ItisassumedthattheSFRsusedbythislibraryareintheirresetstate.

Reentrancy

No

Remarks

4.3

GetVersionOfDriver

Syntax

IO_U32GetVersionOfDriver（void）

Parameters

none

Return

100

Notification

Description

ThisisthegettingdriverversionfunctionoftheADCfunctionlibrary.ItisassumedthattheSFRsusedbythislibraryareintheirresetstate.

Reentrancy

No

Remarks

4.4

ADC0_StartSampleSync

Syntax

IO_ErrorTypeADC0_StartSampleSync（ubyteChannels）

Parameters

none

Return

IO_E_OK:

ADC0_StartSampleSyncwassuccessful.

Notification

Description

ThisfunctionstartsthemeasurementofanaloguevalueofthespecifiedADCchannelandstoresthevaluestoaninternalbuffer.

Reentrancy

No

Remarks

4.5ADC0_StartSampleAllSync

Syntax

IO_ErrorTypeADC0_StartSampleAllSync（void）

Parameters

none

Return

IO_E_OK:

ADC0_StartSampleAllSyncwassuccessful.

Notification

Description

ThisfunctionstartsthemeasurementofanaloguevaluesofallADCchannelsandstoresthevaluestoaninternalbuffer.

Reentrancy

No

Remarks

4.6ADC0_GetSync

Syntax

IO_ValueTypeADC0_GetSync（IO_ChannelTypeChannel）

Parameters

none

Return

IO_E_OK:

ADC0_StartSampleAllSyncwassuccessful.

Notification

Description

ThisfunctionreturnstheanaloguevaluespecifiedbytheADCchannelADC0_GetSyncwassuccessful.

Reentrancy

No

Remarks

4.7ADC0_GetStateSync

Syntax

IO_DeviceStateTypeADC0_GetStateSync（void）

Parameters

none

Return

IO_STATE_IDLE:

anewADCsamplecanbestarted

IO_STATE_ACTIVE:

thedriverisbusy.

Notification

Description

ThisfunctionreturnsthedevicestateoftheADCdriver.

Reentrancy

No

Remarks

4.8ADC_StopSampleSync

Syntax

voidADC_StopSampleSync（void）

Parameters

none

Return

None

Notification

Description

ThisfunctionstopsameasurementstartedwithADC0_StartSampleSyncorADC0_StartSampleAllSync.

Reentrancy

No

Remarks

5ResourcesConfiguration

TheresourceusedbyADCdriver

5.1PeriperalConfig

Source

Description

AN0~AN31

AsADCdriverinputpins

5.2InterruptConfig

Source

SRN

TOS

Priority

Name

Description

ADC0

ADC0_SRN0INT

72

ADC0_viSRN0

ThisistheinterruptserviceroutinefortheServiceRequestNode0oftheADC0module.

6CompileEnvironment

CompileTool:

TaskingforTricore