6678的csl里的edma代码是不是有错误啊，为什么一直死在循环里啊
static Int32 edma_ping_pong_xfer_gbl_region (Int32 instNum, Uint8 channelNum)
{
CSL_Edma3Handle hModule;
CSL_Edma3Obj edmaObj;
CSL_Edma3ParamHandle hParamPing;
CSL_Edma3ParamHandle hParamPong;
CSL_Edma3ChannelObj chObj;
CSL_Edma3CmdIntr regionIntr;
CSL_Edma3ChannelHandle hChannel;
CSL_Edma3ParamSetup myParamSetup;
CSL_Edma3Context context;
CSL_Edma3ChannelAttr chAttr;
CSL_Status status;
Uint32 loopIndex;
/* Start the EDMA PING-PONG test over the Global Region. */
printf ("Debug: Testing EDMA(%d) Ping-Pong Test (Global) Region for Channel %d...\n", instNum, channelNum);
/* Initialize data */
for (loopIndex = 0; loopIndex < 256; loopIndex++)
{
srcBuff1[loopIndex] = loopIndex;
srcBuff2[loopIndex] = loopIndex;
dstBuff1[loopIndex] = 0;
dstBuff2[loopIndex] = 0;
}
/* Module initialization */
if (CSL_edma3Init(&context) != CSL_SOK)
{
printf ("Error: EDMA module initialization failed\n");
return -1;
}
/* Open the EDMA Module using the provided instance number */
hModule = CSL_edma3Open(&edmaObj, instNum, NULL, &status);
if ( (hModule == NULL) || (status != CSL_SOK))
{
printf ("Error: EDMA module open failed\n");
return -1;
}
/* Channel open */
chAttr.regionNum = CSL_EDMA3_REGION_GLOBAL;
chAttr.chaNum = channelNum;
hChannel = CSL_edma3ChannelOpen(&chObj, instNum, &chAttr, &status);
if ((hChannel == NULL) || (status != CSL_SOK))
{
printf ("Error: Unable to open EDMA Channel:%d\n", channelNum);
return -1;
}
/* Change Channel Default queue setup from 0 to 3 */
if (CSL_edma3HwChannelSetupQue(hChannel,CSL_EDMA3_QUE_3) != CSL_SOK)
{
printf ("Error: EDMA channel setup queue failed\n");
return -1;
}
/* Map the DMA Channel to PARAM Block 2. */
CSL_edma3MapDMAChannelToParamBlock (hModule, channelNum, 2);
/* Obtain a handle to parameter set 2 */
hParamPing = CSL_edma3GetParamHandle(hChannel, 2, &status);
if (hParamPing == NULL)
{
printf ("Error: EDMA Get Parameter Entry failed for 2.\n");
return -1;
}
/* Obtain a handle to parameter set 1 */
hParamPong = CSL_edma3GetParamHandle(hChannel, 1, &status);
if (hParamPong == NULL)
{
printf ("Error: EDMA Get Parameter Entry failed for 1.\n");
return -1;
}
/* Setup the parameter entry parameters (Ping buffer) */
myParamSetup.option = CSL_EDMA3_OPT_MAKE(CSL_EDMA3_ITCCH_DIS, \
CSL_EDMA3_TCCH_DIS, \
CSL_EDMA3_ITCINT_DIS, \
CSL_EDMA3_TCINT_EN, \
0, CSL_EDMA3_TCC_NORMAL,\
CSL_EDMA3_FIFOWIDTH_NONE, \
CSL_EDMA3_STATIC_DIS, \
CSL_EDMA3_SYNC_A, \
CSL_EDMA3_ADDRMODE_INCR, \
CSL_EDMA3_ADDRMODE_INCR );
myParamSetup.srcAddr = (Uint32)srcBuff1;
myParamSetup.aCntbCnt = CSL_EDMA3_CNT_MAKE(256,1);
myParamSetup.dstAddr = (Uint32)dstBuff1;
myParamSetup.srcDstBidx = CSL_EDMA3_BIDX_MAKE(1,1);
myParamSetup.linkBcntrld= CSL_EDMA3_LINKBCNTRLD_MAKE(hParamPong,0);
myParamSetup.srcDstCidx = CSL_EDMA3_CIDX_MAKE(0,1);
myParamSetup.cCnt = 1;
/* Ping setup */
if (CSL_edma3ParamSetup(hParamPing,&myParamSetup) != CSL_SOK)
{
printf ("Error: EDMA Parameter Entry Setup failed\n");
return -1;
}
/* Pong setup */
myParamSetup.linkBcntrld = CSL_EDMA3_LINKBCNTRLD_MAKE(hParamPing,0);
myParamSetup.option = CSL_EDMA3_OPT_MAKE(CSL_EDMA3_ITCCH_DIS, \
CSL_EDMA3_TCCH_DIS, \
CSL_EDMA3_ITCINT_DIS, \
CSL_EDMA3_TCINT_EN,\
1, CSL_EDMA3_TCC_NORMAL,\
CSL_EDMA3_FIFOWIDTH_NONE, \
CSL_EDMA3_STATIC_EN, \
CSL_EDMA3_SYNC_A, \
CSL_EDMA3_ADDRMODE_INCR, \
CSL_EDMA3_ADDRMODE_INCR );
myParamSetup.srcAddr = (Uint32)srcBuff2;
myParamSetup.dstAddr = (Uint32)dstBuff2;
if (CSL_edma3ParamSetup(hParamPong,&myParamSetup) != CSL_SOK)
{
printf ("Error: EDMA Parameter Entry Setup failed\n");
return -1;
}
/* Interrupt enable (Bits 0-1) for the global region interrupts */
regionIntr.region = CSL_EDMA3_REGION_GLOBAL;
regionIntr.intr = 0x3;
regionIntr.intrh = 0x0000;
CSL_edma3HwControl(hModule,CSL_EDMA3_CMD_INTR_ENABLE,®ionIntr);
/* Trigger channel */
CSL_edma3HwChannelControl(hChannel,CSL_EDMA3_CMD_CHANNEL_SET,NULL);
regionIntr.region = CSL_EDMA3_REGION_GLOBAL;
regionIntr.intr = 0;
regionIntr.intrh = 0;
/* Poll on IPR bit 0 */
do {
CSL_edma3GetHwStatus(hModule,CSL_EDMA3_QUERY_INTRPEND,®ionIntr);
} while (!(regionIntr.intr & 0x1));
/* Clear the pending bit */
CSL_edma3HwControl(hModule,CSL_EDMA3_CMD_INTRPEND_CLEAR,®ionIntr);
/* Trigger Channel */
CSL_edma3HwChannelControl(hChannel,CSL_EDMA3_CMD_CHANNEL_SET,NULL);
/* Poll on IPR bit 2 */
do {
CSL_edma3GetHwStatus(hModule,CSL_EDMA3_QUERY_INTRPEND,®ionIntr);
} while (!(regionIntr.intr & 0x2));
/* Check transfer by comparing the source and destination buffers */
if(Verify_Transfer( 256, 1, 1, 0, 0, 0, 0, srcBuff1, dstBuff1, TRUE) == FALSE)
{
printf ("Error: Verification (Source1/Destination1) Failed\n");
return -1;
}
if(Verify_Transfer( 256, 1, 1, 0, 0, 0, 0, srcBuff2, dstBuff2, TRUE) == FALSE)
{
printf ("Error: Verification (Source2/Destination2) Failed\n");
return -1;
}
/* Close channel */
if (CSL_edma3ChannelClose(hChannel) != CSL_SOK)
{
printf("Error: EDMA Channel Close failed\n");
return -1;
}
/* Close EDMA module */
if (CSL_edma3Close(hModule) != CSL_SOK)
{
printf("Error: EDMA Module Close failed\n");
return -1;
}
/* The test passed. */
return 0;
}
把红颜色部分改成
do {
/* Trigger channel */
CSL_edma3HwChannelControl(hChannel,CSL_EDMA3_CMD_CHANNEL_SET,NULL);
CSL_edma3GetHwStatus(hModule,CSL_EDMA3_QUERY_INTRPEND,®ionIntr);
} while (!(regionIntr.intr & 0x1));
也不行啊，求解决
