📄 csl_edma3.h
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* ===========================================================================
*/
extern CSL_Status CSL_edma3ChannelClose (
CSL_Edma3ChannelHandle hEdma
);
/*
* =============================================================================
* @func CSL_edma3ChannelSetupParam
*
* @desc
* Does the Channel setup i.e the channel to param set mapping(if relevant)
*
* @arg hEdma
* Channel Handle
*
* @arg paramNum
* parameter set to be mapped to the channel
*
* @ret CSL_Status
* CSL_SOK - Setup Param successful
* CSL_ESYS_BADHANDLE - Invalid handle
* CSL_ESYS_INVPARAMS - Invalid parameter
*
* @eg
* CSL_Edma3Handle hModule;
CSL_Edma3Obj edmaObj;
CSL_Edma3Context context;
CSL_Edma3HwSetup hwSetup;
CSL_Status status;
Uint16 paramNum;
CSL_Edma3ChannelHandle hChannel;
CSL_Edma3HwDmaChannelSetup dmahwSetup[CSL_EDMA3_NUM_DMACH] =
CSL_EDMA3_DMACHANNELSETUP_DEFAULT;
CSL_Edma3HwQdmaChannelSetup qdmahwSetup[CSL_EDMA3_NUM_QDMACH] =
CSL_EDMA3_QDMACHANNELSETUP_DEFAULT;
// Module Initialization
CSL_edma3Init(&context);
// Module Level Open
hModule = CSL_edma3Open(&edmaObj,CSL_EDMA3,NULL,&status);
// Module Setup
hwSetup.dmaChaSetup = &dmahwSetup[0];
hwSetup.qdmaChaSetup = &qdmaSetup[0];
CSL_edma3HwSetup(hModule,&hwSetup);
// Channel 0 Open in context of Shadow region 0
chAttr.regionNum = CSL_EDMA3_REGION_0;
chAttr.chaNum = CSL_EDMA3_CHA_DSPINT;
hChannel = CSL_edma3ChannelOpen(&ChObj,
CSL_EDMA3,
&chAttr,
&status);
// Set the parameter entry number to channel
paramNum = 100;
CSL_edma3HwChannelSetupParam(hChannel,paramNum);
...
*
* ===========================================================================
*/
extern CSL_Status CSL_edma3HwChannelSetupParam (
CSL_Edma3ChannelHandle hEdma,
Uint16 paramNum
);
/*
* =============================================================================
* @func CSL_edma3ChannelSetupTriggerWord
*
* @desc
* Sets up the channel trigger word.This is applicable only
* for QDMA channels.
*
* @arg hEdma
* Channel Handle
*
* @arg triggerWord
* trigger word (0-7) for the channel
*
* @ret CSL_Status
* CSL_SOK - Setup Param successful
* CSL_ESYS_BADHANDLE - Invalid handle
* CSL_ESYS_INVPARAMS - Invalid parameter
*
* @eg
* CSL_Edma3Handle hModule;
CSL_Edma3Obj edmaObj;
CSL_Edma3Context context;
CSL_Edma3HwSetup hwSetup;
CSL_Status status;
CSL_Edma3ChannelHandle hChannel;
CSL_Edma3HwDmaChannelSetup dmahwSetup[CSL_EDMA3_NUM_DMACH] =
CSL_EDMA3_DMACHANNELSETUP_DEFAULT;
CSL_Edma3HwQdmaChannelSetup qdmahwSetup[CSL_EDMA3_NUM_QDMACH] =
CSL_EDMA3_QDMACHANNELSETUP_DEFAULT;
// Module Initialization
CSL_edma3Init(&context);
// Module Level Open
hModule = CSL_edma3Open(&edmaObj,CSL_EDMA3,NULL,&status);
// Module Setup
hwSetup.dmaChaSetup = &dmahwSetup[0];
hwSetup.qdmaChaSetup = &qdmaSetup[0];
CSL_edma3HwSetup(hModule,&hwSetup);
// Channel 0 Open in context of Shadow region 0
chAttr.regionNum = CSL_EDMA3_REGION_0;
chAttr.chaNum = CSL_EDMA3_CHA_DSPINT;
hChannel = CSL_edma3ChannelOpen(&ChObj,
CSL_EDMA3,
&chAttr,
&status);
// Sets up the QDMA Channel 0 trigger Word to the 3rd trigger word
CSL_edma3HwChannelSetupTriggerWord(hChannel,3);
...
*
* ===========================================================================
*/
extern CSL_Status CSL_edma3HwChannelSetupTriggerWord (
CSL_Edma3ChannelHandle hEdma,
Uint8 triggerWord
);
/*
* =============================================================================
* @func CSL_edma3ChannelSetupQue
*
* @desc
* Does the Channel setup i.e the channel to que mapping
*
* @arg hEdma
* Channel Handle
*
* @arg que
* Queue to be mapped to the channel
*
* @ret CSL_Status
* CSL_SOK - Setup Param successful
* CSL_ESYS_BADHANDLE - Invalid handle
* CSL_ESYS_INVPARAMS - Invalid parameter
*
* @eg
* CSL_Edma3Handle hModule;
CSL_Edma3Obj edmaObj;
CSL_Edma3Context context;
CSL_Edma3HwSetup hwSetup;
CSL_Status status;
CSL_Edma3Que evtQue;
CSL_Edma3ChannelHandle hChannel;
CSL_Edma3HwDmaChannelSetup dmahwSetup[CSL_EDMA3_NUM_DMACH] =
CSL_EDMA3_DMACHANNELSETUP_DEFAULT;
CSL_Edma3HwQdmaChannelSetup qdmahwSetup[CSL_EDMA3_NUM_QDMACH] =
CSL_EDMA3_QDMACHANNELSETUP_DEFAULT;
// Module Initialization
CSL_edma3Init(&context);
// Module Level Open
hModule = CSL_edma3Open(&edmaObj,CSL_EDMA3,NULL,&status);
// Module Setup
hwSetup.dmaChaSetup = &dmahwSetup[0];
hwSetup.qdmaChaSetup = &qdmaSetup[0];
CSL_edma3HwSetup(hModule,&hwSetup);
// Channel 0 Open in context of Shadow region 0
chAttr.regionNum = CSL_EDMA3_REGION_0;
chAttr.chaNum = CSL_EDMA3_CHA_DSPINT;
hChannel = CSL_edma3ChannelOpen(&ChObj,
CSL_EDMA3,
&chAttr,
&status);
// Set up the channel to que mapping
CSL_edma3HwChannelSetupQue(hChannel,CSL_EDMA3_QUE_3);
...
*
* ===========================================================================
*/
extern CSL_Status CSL_edma3HwChannelSetupQue (
CSL_Edma3ChannelHandle hEdma,
CSL_Edma3Que que
);
/*
* =============================================================================
* @func CSL_edma3GetHwChannelSetupParam
*
* @desc
* Obtains the current channel to parameter set mapping.
*
* @arg hEdma
* Channel Handle
*
* @arg paramNum
* parameter set currently mapped to the channel
*
* @ret CSL_Status
* CSL_SOK - Setup Param successful
* CSL_ESYS_BADHANDLE - Invalid handle
* CSL_ESYS_INVPARAMS - Invalid parameter
*
* @eg
* CSL_Edma3Handle hModule;
CSL_Edma3Obj edmaObj;
CSL_Edma3Context context;
CSL_Edma3HwSetup hwSetup;
CSL_Status status;
Uint16 paramNum;
CSL_Edma3ChannelHandle hChannel;
CSL_Edma3HwDmaChannelSetup dmahwSetup[CSL_EDMA3_NUM_DMACH] =
CSL_EDMA3_DMACHANNELSETUP_DEFAULT;
CSL_Edma3HwQdmaChannelSetup qdmahwSetup[CSL_EDMA3_NUM_QDMACH] =
CSL_EDMA3_QDMACHANNELSETUP_DEFAULT;
// Module Initialization
CSL_edma3Init(&context);
// Module Level Open
hModule = CSL_edma3Open(&edmaObj,CSL_EDMA3,NULL,&status);
// Module Setup
hwSetup.dmaChaSetup = &dmahwSetup[0];
hwSetup.qdmaChaSetup = &qdmaSetup[0];
CSL_edma3HwSetup(hModule,&hwSetup);
// Channel 0 Open in context of Shadow region 0
chAttr.regionNum = CSL_EDMA3_REGION_0;
chAttr.chaNum = CSL_EDMA3_CHA_DSPINT;
hChannel = CSL_edma3ChannelOpen(&ChObj,
CSL_EDMA3,
&chAttr,
&status);
// Get the parameter entry number to which a channel is mapped to
CSL_edma3GetHwChannelSetupParam(hChannel,¶mNum);
...
*
* ===========================================================================
*/
extern CSL_Status CSL_edma3GetHwChannelSetupParam (
CSL_Edma3ChannelHandle hEdma,
Uint16 *paramNum
);
/*
* =============================================================================
* @func CSL_edma3GetHwChannelSetupTriggerWord
*
* @desc
* Gets channel trigger word.This is applicable only for QDMA channels.
*
* @arg hEdma
* Channel Handle
*
* @arg triggerWord
* Trigger word setup in the (QDMA)channel
*
* @ret CSL_Status
* CSL_SOK - Setup Param successful
* CSL_ESYS_BADHANDLE - Invalid handle
* CSL_ESYS_INVPARAMS - Invalid parameter
*
* @eg
* CSL_Edma3Handle hModule;
CSL_Edma3Obj edmaObj;
CSL_Edma3Context context;
CSL_Edma3HwSetup hwSetup;
CSL_Status status;
CSL_Edma3ChannelHandle hChannel;
Uint8 triggerWord;
CSL_Edma3HwDmaChannelSetup dmahwSetup[CSL_EDMA3_NUM_DMACH] =
CSL_EDMA3_DMACHANNELSETUP_DEFAULT;
CSL_Edma3HwQdmaChannelSetup qdmahwSetup[CSL_EDMA3_NUM_QDMACH] =
CSL_EDMA3_QDMACHANNELSETUP_DEFAULT;
// Module Initialization
CSL_edma3Init(&context);
// Module Level Open
hModule = CSL_edma3Open(&edmaObj,CSL_EDMA3,NULL,&status);
// Module Setup
hwSetup.dmaChaSetup = &dmahwSetup[0];
hwSetup.qdmaChaSetup = &qdmaSetup[0];
CSL_edma3HwSetup(hModule,&hwSetup);
// Channel 0 Open in context of Shadow region 0
chAttr.regionNum = CSL_EDMA3_REGION_0;
chAttr.chaNum = CSL_EDMA3_CHA_DSPINT;
hChannel = CSL_edma3ChannelOpen(&ChObj,
CSL_EDMA3,
&chAttr,
&status);
// Get the trigger word programmed for a channel
CSL_edma3GetHwChannelSetupTriggerWord(hChannel,&triggerWord);
...
*
* ===========================================================================
*/
extern CSL_Status CSL_edma3GetHwChannelSetupTriggerWord (
CSL_Edma3ChannelHandle hEdma,
Uint8 *triggerWord
);
/*
* =============================================================================
* @func CSL_edma3GetHwChannelSetupQue
*
* @desc
* Obtains the Channel setup i.e the channel to que mapping
*
* @arg hEdma
* Channel Handle
*
* @arg que
* Queue currently mapped to the channel
*
* @ret CSL_Status
* CSL_SOK - Setup Param successful
* CSL_ESYS_BADHANDLE - Invalid handle
* CSL_ESYS_INVPARAMS - Invalid parameter
*
* @eg
* CSL_Edma3Handle hModule;
CSL_Edma3Obj edmaObj;
CSL_Edma3Context context;
CSL_Edma3HwSetup hwSetup;
CSL_Status status;
CSL_Edma3Que evtQue;
CSL_Edma3ChannelHandle hChannel;
CSL_Edma3HwDmaChannelSetup dmahwSetup[CSL_EDMA3_NUM_DMACH] =
CSL_EDMA3_DMACHANNELSETUP_DEFAULT;
CSL_Edma3HwQdmaChannelSetup qdmahwSetup[CSL_EDMA3_NUM_QDMACH] =
CSL_EDMA3_QDMACHANNELSETUP_DEFAULT;
// Module Initialization
CSL_edma3Init(&context);
// Module Level Open
hModule = CSL_edma3Open(&edmaObj,CSL_EDMA3,NULL,&status);
// Module Setup
hwSetup.dmaChaSetup = &dmahwSetup[0];
hwSetup.qdmaChaSetup = &qdmaSetup[0];
CSL_edma3HwSetup(hModule,&hwSetup);
// Channel 0 Open in context of Shadow region 0
chAttr.regionNum = CSL_EDMA3_REGION_0;
chAttr.chaNum = CSL_EDMA3_CHA_DSPINT;
hChannel = CSL_edma3ChannelOpen(&ChObj,
CSL_EDMA3,
&chAttr,
&status);
// Get the que to which a channel is mapped
CSL_edma3GetHwChannelSetupQue(hCh⌨️ 快捷键说明
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