-----Original Message-----
From: Klaus Kudielka <[EMAIL PROTECTED]>
>[EMAIL PROTECTED] wrote:
>> However, linux is not yet ready for such speeds, you can't have efficient
>> communications at 1M2288bps with present parameter timings. I hope something
>> will be done about this? I'm talking about at least milisecond resolution, even
>> present speeds here at the gateway I'm responsible for (38k4bps links) suffer
>> from 0.1 sec resolution. We're planning to use 1M2 links in the near future,
>> and there are some "quick and dirty" solutions but it would be nice to have a
>> full and solid implementation.
>
>A PI2 (equipped with an ESCC) and the dmascc driver should do fine. The
>granularity of the timing parameters currently is 1/25600Hz=39.1us.
>In the current version (as of 2.2.0-pre6), you probably have to hack WR7'
>to enable the TX FIFO in case of DMA - otherwise you would have a few TX
>underruns at 1.2Mbps. I'm working on a minor update including this change.
>
>-Klaus OE1KIB
>
>
That's great news, thanks. I haven't tested 2.1.x kernels lately, so I'm not aware
of any enhancements that might have been achieved in the meantime - seems
worth to try it now.
73's!
------------------------------------------------------------------------------
9A4GC: Ivica Smolcic e-mail: [EMAIL PROTECTED]
QTH Sisak, Croatia [EMAIL PROTECTED]
PR-mail: [EMAIL PROTECTED] [EMAIL PROTECTED]
