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Altera_Forum
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21 years ago

Memory -> DMA -> UART

Quartus 4.2 | NIOSII 1.1 | EP1S25 DSP-Board | Win2k Hi there, i got the DMA working with HAL to send data from memory to memory. My next wish is to send data from memory to the UART. My UA...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Have you tried setting the WCON bit in the control register? The RCON and WCON bits in the DMA control register are for when you have constant read/write addresses. In your case, you have a constant write address: txdata of the UART.

I would also set the DMA to perform byte transfers only, but that's just me...

Best of luck and I hope this helps!

- slacker