>Is this string sent by a program loaded via insmod and busybox? > >I had a problem with drivers loaded as modules when using >busybox. The wrong strings would be sent when I did printk. >It drove me nuts for days. I installed the true version of >insmod and all worked fine.
This is using busybox, but no modules have been loaded. SCC Uart support was built-in to the kernel. I also took a look at the hex values that I actually receive and it does NOT look like the bit-string is offset by any bits. There's no direct mapping that I can see.. Thanks. --Dima > >Maybe it helps, > >Chuck > >>>> <Dmitriy.Zavin at infineon.com> 03/26/03 04:11PM >>> > >Wolfgang, > >What I mean by "not random" is this: >I write a string to /dev/tts/1, which will cause another >string to be printed on the remote console. If I repeat this >50 times, the same messed up string will appear. > >Thanks. > >I hope that answers the question. > >--Dima > >>In message >><FD90897E35ABD311AE0E0008C7E6404A07192EDE at ca02exch4.sjc.infineo >>n.com> you wrote: >>> >>> I compiled the 2.4.7 kernel (from TimeSYS) with SCC2 and >>SCC3 enabled for IO. I have a break-out board where I manually >>hook into the TXD/RXD/GND pins (Port A, pins 12/13). Now, I'm >>sending a pattern (FOOOOOO) from the SBC to /dev/tts/1 (SCC2) which is >>> connected to a windows box on COM1. All I get on COM1 is >>garbage. But its not random. I made sure to set all the >>baud/stop bits/parity manually through IOCTL calls to make >>sure its right, but still no go. And SCC3 (/dev/tts/2) is >>completely unresponsive >> >>What exactly do you mean with "garbage, but not completely random"? >> >>Is it the ordinary type of "line noise" as you get when the baud rate >>is wrong, or do you get valid characters, but only every second >>character gets output? If you get every second character, this >>usually means that your console port is misconfigured. >> >>Best regards, >> >>Wolfgang Denk >> >>-- >>Software Engineering: Embedded and Realtime Systems, Embedded Linux >>Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de >>Always try to do things in chronological order; it's less confusing >>that way. >> > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
