[En-Nut-Discussion] AT91 RS485

[Coleman Brumley]

On a similar note, has anyone ever modified the Nut/OS USART driver to work
with DMA?

Is this a possible solution for the USART issues folks are reporting?  I.e.
would a USART driver in DMA mode work "faster"?

- Coleman

> -----Original Message-----
> From: en-nut-discussion-bounces at egnite.de [mailto:en-nut-discussion-
> bounces at egnite.de] On Behalf Of Harald Kipp
> Sent: Friday, September 04, 2009 4:37 AM
> To: Ethernut User Chat (English)
> Subject: [En-Nut-Discussion] AT91 RS485
> 
> Hi all,
> 
> while trying to figure out, why the configurator option "USE HW RS485
> on
> UARTx" is not working, I recognized, that the entry
> 
> file = "include/cfg/uart.h"
> 
> is missing for UART0 and UART1.
> 
> Anyone else using RS485 (or half duplex) on the AT91 platform (except
> Ulrich, of whom I know that he uses a specific variant)?
> 
> 
> Harald
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