Functions
csl_edma3GetHwChannelStatus.c File Reference

The file implements the API which is used to retreive the status of an opened EDMA Channel. More...

#include <ti/csl/csl_edma3.h>
#include <ti/csl/csl_edma3Aux.h>

Functions

CSL_Status CSL_edma3GetHwChannelStatus (CSL_Edma3ChannelHandle hEdma, CSL_Edma3HwChannelStatusQuery myQuery, void *response)

Detailed Description

The file implements the API which is used to retreive the status of an opened EDMA Channel.

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Function Documentation

CSL_Status CSL_edma3GetHwChannelStatus ( CSL_Edma3ChannelHandle  hEdma,
CSL_Edma3HwChannelStatusQuery  myQuery,
void *  response 
)

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CSL_edma3GetHwChannelStatus

Description
The function is to used to get the status of entities specific to an EDMA Channel. The channel specific entity to be queried is specified in the argument.

Arguments

            hEdma           Channel Handle
            myQuery         Query to be performed
            response        Pointer to buffer to return the data requested by
                            the query passed 
     
See also:
CSL_Edma3HwChannelStatusQuery

Return Value
Success - CSL_SOK
Error - CSL_ESYS_BADHANDLE (The handle passed is invalid)
Error - CSL_ESYS_INVQUERY (The query passed is invalid)

Pre Condition
Functions CSL_edma3Init(), CSL_edma3Open() and CSL_edma3ChannelOpen() must be called successfully in that order before this API can be invoked.If a Shadow region is used then care of the DRAE settings must be taken

Post Condition
None

Reads
TPCC_TPCC_ER_E0;TPCC_TPCC_ER_E1;TPCC_TPCC_ER_E2;TPCC_TPCC_ER_E3; TPCC_TPCC_ER_E4;TPCC_TPCC_ER_E5;TPCC_TPCC_ER_E6;TPCC_TPCC_ER_E7; TPCC_TPCC_ER_E8;TPCC_TPCC_ER_E9;TPCC_TPCC_ER_E10;TPCC_TPCC_ER_E11; TPCC_TPCC_ER_E12;TPCC_TPCC_ER_E13;TPCC_TPCC_ER_E14;TPCC_TPCC_ER_E15; TPCC_TPCC_ER_E16;TPCC_TPCC_ER_E17;TPCC_TPCC_ER_E18;TPCC_TPCC_ER_E19; TPCC_TPCC_ER_E20;TPCC_TPCC_ER_E21;TPCC_TPCC_ER_E22;TPCC_TPCC_ER_E23; TPCC_TPCC_ER_E24;TPCC_TPCC_ER_E25;TPCC_TPCC_ER_E26;TPCC_TPCC_ER_E27; TPCC_TPCC_ER_E28;TPCC_TPCC_ER_E29;TPCC_TPCC_ER_E30;TPCC_TPCC_ER_E31;
TPCC_TPCC_ERH_E32;TPCC_TPCC_ERH_E33;TPCC_TPCC_ERH_E34;TPCC_TPCC_ERH_E35; TPCC_TPCC_ERH_E36;TPCC_TPCC_ERH_E37;TPCC_TPCC_ERH_E38;TPCC_TPCC_ERH_E39; TPCC_TPCC_ERH_E40;TPCC_TPCC_ERH_E41;TPCC_TPCC_ERH_E42;TPCC_TPCC_ERH_E43; TPCC_TPCC_ERH_E44;TPCC_TPCC_ERH_E45;TPCC_TPCC_ERH_E46;TPCC_TPCC_ERH_E47; TPCC_TPCC_ERH_E48;TPCC_TPCC_ERH_E49;TPCC_TPCC_ERH_E50;TPCC_TPCC_ERH_E51; TPCC_TPCC_ERH_E52;TPCC_TPCC_ERH_E53;TPCC_TPCC_ERH_E54;TPCC_TPCC_ERH_E55; TPCC_TPCC_ERH_E56;TPCC_TPCC_ERH_E57;TPCC_TPCC_ERH_E58;TPCC_TPCC_ERH_E59; TPCC_TPCC_ERH_E60;TPCC_TPCC_ERH_E61;TPCC_TPCC_ERH_E62;TPCC_TPCC_ERH_E63;
TPCC_TPCC_QER_QER0;TPCC_TPCC_QER_QER1;TPCC_TPCC_QER_QER2;TPCC_TPCC_QER_QER3; TPCC_TPCC_QER_QER4;TPCC_TPCC_QER_QER5;TPCC_TPCC_QER_QER6;TPCC_TPCC_QER_QER7;
TPCC_TPCC_EMR_EMR0;TPCC_TPCC_EMR_EMR1;TPCC_TPCC_EMR_EMR2; TPCC_TPCC_EMR_EMR3;TPCC_TPCC_EMR_EMR4;TPCC_TPCC_EMR_EMR5; TPCC_TPCC_EMR_EMR6;TPCC_TPCC_EMR_EMR7;TPCC_TPCC_EMR_EMR8; TPCC_TPCC_EMR_EMR9;TPCC_TPCC_EMR_EMR10;TPCC_TPCC_EMR_EMR11; TPCC_TPCC_EMR_EMR12;TPCC_TPCC_EMR_EMR13;TPCC_TPCC_EMR_EMR14; TPCC_TPCC_EMR_EMR15;TPCC_TPCC_EMR_EMR16;TPCC_TPCC_EMR_EMR17; TPCC_TPCC_EMR_EMR18;TPCC_TPCC_EMR_EMR19;TPCC_TPCC_EMR_EMR20; TPCC_TPCC_EMR_EMR21;TPCC_TPCC_EMR_EMR22;TPCC_TPCC_EMR_EMR23; TPCC_TPCC_EMR_EMR24;TPCC_TPCC_EMR_EMR25;TPCC_TPCC_EMR_EMR26; TPCC_TPCC_EMR_EMR27;TPCC_TPCC_EMR_EMR28;TPCC_TPCC_EMR_EMR29; TPCC_TPCC_EMR_EMR30;TPCC_TPCC_EMR_EMR31;
TPCC_TPCC_EMRH_EMR32;TPCC_TPCC_EMRH_EMR33;TPCC_TPCC_EMRH_EMR34; TPCC_TPCC_EMRH_EMR35;TPCC_TPCC_EMRH_EMR36;TPCC_TPCC_EMRH_EMR37; TPCC_TPCC_EMRH_EMR38;TPCC_TPCC_EMRH_EMR39;TPCC_TPCC_EMRH_EMR40; TPCC_TPCC_EMRH_EMR41;TPCC_TPCC_EMRH_EMR42;TPCC_TPCC_EMRH_EMR43; TPCC_TPCC_EMRH_EMR44;TPCC_TPCC_EMRH_EMR45;TPCC_TPCC_EMRH_EMR46; TPCC_TPCC_EMRH_EMR47;TPCC_TPCC_EMRH_EMR48;TPCC_TPCC_EMRH_EMR49; TPCC_TPCC_EMRH_EMR50;TPCC_TPCC_EMRH_EMR51;TPCC_TPCC_EMRH_EMR52; TPCC_TPCC_EMRH_EMR53;TPCC_TPCC_EMRH_EMR54;TPCC_TPCC_EMRH_EMR55; TPCC_TPCC_EMRH_EMR56;TPCC_TPCC_EMRH_EMR57;TPCC_TPCC_EMRH_EMR58; TPCC_TPCC_EMRH_EMR59;TPCC_TPCC_EMRH_EMR60;TPCC_TPCC_EMRH_EMR61; TPCC_TPCC_EMRH_EMR62;TPCC_TPCC_EMRH_EMR63,
TPCC_TPCC_SER_SER0;TPCC_TPCC_SER_SER1;TPCC_TPCC_SER_SER2; TPCC_TPCC_SER_SER3;TPCC_TPCC_SER_SER4;TPCC_TPCC_SER_SER5; TPCC_TPCC_SER_SER6;TPCC_TPCC_SER_SER7;TPCC_TPCC_SER_SER8; TPCC_TPCC_SER_SER9;TPCC_TPCC_SER_SER10;TPCC_TPCC_SER_SER11; TPCC_TPCC_SER_SER12;TPCC_TPCC_SER_SER13;TPCC_TPCC_SER_SER14; TPCC_TPCC_SER_SER15;TPCC_TPCC_SER_SER16;TPCC_TPCC_SER_SER17; TPCC_TPCC_SER_SER18;TPCC_TPCC_SER_SER19;TPCC_TPCC_SER_SER20; TPCC_TPCC_SER_SER21;TPCC_TPCC_SER_SER22;TPCC_TPCC_SER_SER23; TPCC_TPCC_SER_SER24;TPCC_TPCC_SER_SER25;TPCC_TPCC_SER_SER26; TPCC_TPCC_SER_SER27;TPCC_TPCC_SER_SER28;TPCC_TPCC_SER_SER29; TPCC_TPCC_SER_SER30;TPCC_TPCC_SER_SER31;
TPCC_TPCC_SERH_SER32;TPCC_TPCC_SERH_SER33;TPCC_TPCC_SERH_SER34; TPCC_TPCC_SERH_SER35;TPCC_TPCC_SERH_SER36;TPCC_TPCC_SERH_SER37; TPCC_TPCC_SERH_SER38;TPCC_TPCC_SERH_SER39;TPCC_TPCC_SERH_SER40; TPCC_TPCC_SERH_SER41;TPCC_TPCC_SERH_SER42;TPCC_TPCC_SERH_SER43; TPCC_TPCC_SERH_SER44;TPCC_TPCC_SERH_SER45;TPCC_TPCC_SERH_SER46; TPCC_TPCC_SERH_SER47;TPCC_TPCC_SERH_SER48;TPCC_TPCC_SERH_SER49; TPCC_TPCC_SERH_SER50;TPCC_TPCC_SERH_SER51;TPCC_TPCC_SERH_SER52; TPCC_TPCC_SERH_SER53;TPCC_TPCC_SERH_SER54;TPCC_TPCC_SERH_SER55; TPCC_TPCC_SERH_SER56;TPCC_TPCC_SERH_SER57;TPCC_TPCC_SERH_SER58; TPCC_TPCC_SERH_SER59;TPCC_TPCC_SERH_SER60;TPCC_TPCC_SERH_SER61; TPCC_TPCC_SERH_SER62;TPCC_TPCC_SERH_SER63;
TPCC_TPCC_QEMR_QEMR0;TPCC_TPCC_QEMR_QEMR1;TPCC_TPCC_QEMR_QEMR2; TPCC_TPCC_QEMR_QEMR3;TPCC_TPCC_QEMR_QEMR4;TPCC_TPCC_QEMR_QEMR5; TPCC_TPCC_QEMR_QEMR6;TPCC_TPCC_QEMR_QEMR7,
TPCC_TPCC_QSER_QSER0;TPCC_TPCC_QSER_QSER1;TPCC_TPCC_QSER_QSER2; TPCC_TPCC_QSER_QSER3;TPCC_TPCC_QSER_QSER4;TPCC_TPCC_QSER_QSER5; TPCC_TPCC_QSER_QSER6;TPCC_TPCC_QSER_QSER7;

Example


            CSL_Edma3Handle             hModule;
            CSL_Edma3Obj                edmaObj;
            CSL_Edma3ChannelObj         chObj;
            CSL_Edma3ChannelHandle      hChannel;
            CSL_Edma3ChannelAttr        chAttr;
            CSL_Status                  status;
            CSL_Edma3ChannelErr         errStat;
        
            // Module Initialization
            CSL_edma3Init(NULL);
            
            // Module Level Open    
            hModule = CSL_edma3Open(&edmaObj, 0, NULL,&status);

            // Channel 0 Open in context of Shadow region 0
            chAttr.regionNum = CSL_EDMA3_REGION_0;
            chAttr.chaNum    = 0;
            hChannel = CSL_edma3ChannelOpen(&chObj, 0, &chAttr, &status);
            ...               
            // Get the Channel 0 Error Status
            CSL_edma3GetHwChannelStatus(hChannel, CSL_EDMA3_QUERY_CHANNEL_ERR, &errStat);
            ...
     

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Copyright 2014, Texas Instruments Incorporated