[PD] comport question

Matju matju at sympatico.ca
Wed Oct 6 16:56:01 CEST 2004


On Tue, 5 Oct 2004, jim ruxton wrote:

> Right now I'm only getting about 330 bytes/sec so I'm way below 15
> Kbytes per sec.

ok. now i don't know what kind of FIFO ("ring buffer") it has but the
classic RS232 chips (UART 16450...) have a 14-byte or 16-byte limit. Maybe
current ones have bigger buffers, but if you send one big burst of 330
bytes every sec and the buffer is 256 bytes it will blow up; whereas if
the 330 bytes are well spread over each sec it will flow alright.

____________________________________________________________________
Matsjö Buschahr @ Medien.kunstLabor.AT, Graz, Österreich
http://convention.puredata.info/           http://artengine.ca/matju






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