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reducing number of buffers used in mcaspPlayBk?

yl
Expert 1215 points
Other Parts Discussed in Thread: OMAP-L138

I am using the C6748 on OMAP-L138.

In the StarterWare Audio Application, the EDMA needs 

  • 4 Transmit buffers - TX buffer-0, TX buffer-1, TX buffer-2, and a loop buffer.
  • 3 Receive buffers - RX buffer-0, RX buffer-1, and RX buffer-2.

It seems wasteful to have to many buffers in the precious L2 RAM. Is it possible to use one less TX and one less RX buffers?