|
Rockbox mail archiveSubject: Re: Serial connection and Rockbox?Re: Serial connection and Rockbox?
From: Joseph Jones <joe_at_bumpycarrot.cjb.net>
Date: Tue, 10 Feb 2004 21:43:43 +0000 Linus Nielsen Feltzing wrote: > Joseph Jones wrote: > >> 1. Does the JBR require any internal modification to have a serial >> port? Am I correct in saying that there is a serial line on a 4th pin >> on the Line-In? > > > There is a serial port input on the 4th ring on the Ear Out jack on the > Studio and on the JBR, but not on the FMR or V2. This input goes to the > internal UART on the CPU, capable of RS232 communication on 38400 > (Studio) and 115200 (Recorder) bps. > > However, this pin can also be configured as a general purpose output > pin, making it possible to transmit as well, by fiddling the bits "by > hand". > > If you want full duplex serial I/O you have to open up your unit and > reroute a wire or two. > > Linus > > > _______________________________________________ > http://cool.haxx.se/mailman/listinfo/rockbox > > Right, so it's kinda... half-duplex without modding the box? So... some kind of two-way communication is possible without internal modding, though it may not be overly fast? Joe _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockbox Received on 2004-02-10 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |