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how the dma descriptors will be allocated and accessed in LPC 1751

vijaya lakshmi

Hi, Currently I am working with the LPC1751. In the sample code I did not understand what is meant by DD_NISO_CNT and DMA_Setup function and how to get the next dma descriptor... I have to write 256 bytes of data to the IN endpoint at a time, but it can send only 64 bytes. So, anyone can suggest me how can I send 256 bytes of data..

Thanks for any replies...