[ECOS] Terminal over TCP too slow

Andrew Lunn andrew@lunn.ch
Thu Sep 16 15:17:00 GMT 2004

On Thu, Sep 16, 2004 at 05:06:22PM +0200, Christian Mueller wrote:
> arm 922t, the EXPA1 SOPC altera board to be more exactly...
> could be, because i have many interrupt routine replies in my system. (I 
> use an external firewire board, and when I make a request to the bus, I 
> have to wait for the interupt to occour).
> So many cyg_semaphore_wait()'s....
> So I have to live with that? I don't want, because I have to read out 
> many registers on my firewire nodes and display them, so it's no fun :-( 
> to wait.

The diagnostic channel is not meant for high performace. It disables
interrupts and uses polled I/O etc. You will get much better
performance it you include the TCP/IP stack and implement a basic TCP
connection for outputting your messages.


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