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Altera_Forum's avatar
Altera_Forum
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14 years ago

DMA problem

why when i use my dma, the program stucks here: --- Quote Start --- while (!rx_done); printf ("Transfer successful!\n"); --- Quote End --- pls help! thanks!
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

You can use either.

Or you can simply set/reset a spare PIO and measure the elapsed time with an oscilloscope; that's what I usually do, without need of adding any timer.