Messages in this thread | | | Date | Fri, 18 Aug 2006 21:36:07 +0100 | From | Russell King <> | Subject | Re: Serial issue |
| |
On Fri, Aug 18, 2006 at 04:32:43PM -0400, Mark Hounschell wrote: > Lee Revell wrote: > > On Fri, 2006-08-18 at 16:25 -0400, Mark Hounschell wrote: > >> Take it from someone who actually still uses dumb terminals every day, > >> any thing over 9600 baud still requires some kind of flow control for > >> reliable consistent operation. Software (Xon/Xoff) and or hardware > >> (RTS/RTS/DTE) flow control. > >> > > > > Any idea why the serial console does not work at all with flow control > > enabled (regardless of whether the host runs Linux or another OS)? > > > > Lee > > > > > > Your cable is probably wrong. Both ends have to be using the type of flow > control your cable is wired for.
Not quite true. You can use XON/XOFF or hardware flow with a fully populated cable, but if you have a sparsely populated cable (RX,TX,GND only) then hardware flow control can't (and won't) work.
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |