Is SIS UART simulation bi-diretional?

[Joel Sherrill]

Fabrício de Novaes Kucinskis wrote:
>
> Hello,
>
>  
>
>  
>
> I'm without my ERC32 development board at the moment, and I need to 
> debug some applications which involve serial communication through the 
> ERC32 UARTs.
>
>  
>
> When I run the command 'sparc-rtems4.7-sis -uart1 /dev/ttyXX', SIS 
> connects to the 'ttyXX' device and my application sends data as 
> expected. However, it can't receive data through the simulated UART. 
> No trap is triggered.
>
>  
>
> I'm used to SIS, but I've never used it to simulate serial 
> communication. Is it really possible to inject data through a device 
> connected to SIS? The manual (and the proper '-uart1' option) imply 
> that it is possible, so maybe I'm missing something.
>
>  
>
Perhaps it is configured for polled mode in the BSP.  I recall that 
being the
default in erc32.

I am pretty sure it works bidirectionally.  I think I have run the 
fileio/shell
example on it.
>
> Thanks in advance and best regards,
>
>  
>
>  
>
> Fabrício de Novaes Kucinskis - DEA / INPE
> --------------------------------------------------------------------
> Onboard Data Handling Group - SUBORD
> Aerospace Electronics Division
> Brazilian National Institute for Space Research
>
>  
>


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Joel Sherrill, Ph.D.             Director of Research & Development
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