csl_audioClass.c File Reference

USB Audio Class functional layer API source file. More...

#include <string.h>
#include <csl_audioClass.h>
#include <csl_audioClassAux.h>

Functions
CSL_Status	AC_Open (pAcAppClassHandle pAppClassHandle)
CSL_Status	AC_Close (pAcAppClassHandle pAppClassHandle)
CSL_Status	AC_Ctrl (void *pAcObj)
CSL_Status	AC_Iso (void *pAcObj)
Uint16	AC_GetactivityFlagStatus (void *pAcObj)
Uint16	AC_GetsuspendFlagStatus (void *pAcObj)
CSL_Status	AC_initDescriptors (void *pAcObj, Uint16 *descBuf, CSL_AcDescrId descrId, Uint16 descrLen)
static CSL_Status	AC_initAcVal (CSL_AcObject *pAcHandle)
CSL_AcRequestRet	AC_reqGetDescriptor (CSL_UsbDevNum devNum, CSL_UsbSetupStruct *usbSetup, pUsbEpHandle hInEp, pUsbEpHandle hOutEp, void *pAcObj)
CSL_AcRequestRet	AC_reqSetCurrent (CSL_UsbDevNum devNum, CSL_UsbSetupStruct *usbSetup, pUsbEpHandle hInEp, pUsbEpHandle hOutEp, void *pAcObj)
CSL_AcRequestRet	AC_reqGetCurrent (CSL_UsbDevNum devNum, CSL_UsbSetupStruct *usbSetup, pUsbEpHandle hInEp, pUsbEpHandle hOutEp, void *pAcObj)
CSL_AcRequestRet	AC_reqGetMinimum (CSL_UsbDevNum devNum, CSL_UsbSetupStruct *usbSetup, pUsbEpHandle hInEp, pUsbEpHandle hOutEp, void *pAcObj)
CSL_AcRequestRet	AC_reqGetMaximum (CSL_UsbDevNum devNum, CSL_UsbSetupStruct *usbSetup, pUsbEpHandle hInEp, pUsbEpHandle hOutEp, void *pAcObj)
CSL_AcRequestRet	AC_reqGetResolution (CSL_UsbDevNum devNum, CSL_UsbSetupStruct *usbSetup, pUsbEpHandle hInEp, pUsbEpHandle hOutEp, void *pAcObj)
CSL_AcRequestRet	AC_reqSetInterface (CSL_UsbDevNum devNum, CSL_UsbSetupStruct *usbSetup, pUsbEpHandle hInEp, pUsbEpHandle hOutEp, void *pAcObj)

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Detailed Description

USB Audio Class functional layer API source file.

Path: \(CSLPATH)\ src

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Function Documentation

static CSL_Status AC_initAcVal

(

CSL_AcObject *

pAcHandle

)

[static]

============================================================================
AC_initAcVal

Description
This function initializes the Audio Class object

Arguments

            pAcHandle        Handle to the Audio class Object
     

Return Value CSL_Status

• CSL_SOK - Returned for success
• CSL_ESYS_BADHANDLE - Invalid Audio class handle

Pre Condition
None

Post Condition
Initializes Audio Class object

Modifies
Audio Class object structure

Example

            CSL_AcObject    acObj;
            CSL_Status      status;

            status = AC_initAcVal(&acObj);

     

============================================================================

References CSL_AcObject::activityPresentFlag, CSL_AC_CSW0_DEFVAL, CSL_AC_CSW1_DEFVAL, CSL_AC_CSW2_DEFVAL, CSL_AC_READ_CAPACITY0_DEFVAL, CSL_AC_SENSE_DATA0_DEFVAL, CSL_AC_SENSE_DATA1_DEFVAL, CSL_AC_SENSE_DATA2_DEFVAL, CSL_AC_SENSE_DATA3_DEFVAL, CSL_AC_SENSE_DATA4_DEFVAL, CSL_AC_SENSE_DATA5_DEFVAL, CSL_AcObject::csw, CSL_AcObject::mediaState, CSL_AcObject::readCapacity, and CSL_AcObject::senseData.

Referenced by AC_Open().