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LPC3250 DMA Interrupt Help

eswar g

New! LPC3250 DMA Interrupt Help
eswar g

Hi

I'm facing problum while configuration for GPDMA. I was unable to generate interrupt on DMA.
here I'm listing
1.I configured DMA Channel 0 for UART2 for 4 bytes trigger. But unable to get.

2.What that channel linked list register will do?

I have studied the data sheet. But unable to get these things.

Please help me

Here i'm attaching the GPDMA configuration what i did.

GPDMA_SOFT_BREQ |=0x00000100;           // HSUART 2 TX  Selected
        GPDMA_CH0_SRC    =HSU2_RX;      // Selecting Source address
        GPDMA_CH0_DEST   =(unsigned long)&Rx_Buffer_485[0];
        GPDMA_CH0_LLI    =0x00000000;
        GPDMA_CH0_CTRL   = 0x88009001;          // Terminal count interrupt and
                                                //transfer size 4byts(8bits wide)
        GPDMA_CH0_CFG    |=0x00001008;          // Peripheral to memory trnasaction
        GPDMA_CONFIG     |=0x00000001;          // Enable DMA Controller

Thanks
Eswar

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