On Tue, 03 Nov 2009 22:56:57 +0100
Hans Petter Selasky <hsela...@c2i.net> wrote:

> On Tuesday 03 November 2009 22:27:03 Torfinn Ingolfsen wrote:
> > But where is ucom0?
> > r...@kg-t2# ls -l /dev/uc*
> > ls: /dev/uc*: No such file or directory
> > r...@kg-t2# ls -l /dev/ucom0
> > ls: /dev/ucom0: No such file or directory
> > r...@kg-t2# ls -l /dev/ucom0
> 
> /dev/cuaU0

Ok, I have done some more testing with the TEMPer. I have kldloaded uchcom.
r...@testhost-1# uname -a
FreeBSD testhost-1.kg4.no 8.0-STABLE FreeBSD 8.0-STABLE #0: Sat Dec 12 23:49:41 
CET 2009     r...@testhost-1.kg4.no:/usr/obj/usr/src/sys/GENERIC  amd64
In /var/log/messages:
Dec 27 23:07:43 testhost-1 kernel: ugen1.2: <vendor 0x4348> at usbus1
Dec 27 23:07:43 testhost-1 kernel: ucom0: <vendor 0x4348 USB-SER!, rev 
1.10/2.50, addr 2> on usbus1
Dec 27 23:07:43 testhost-1 kernel: ucom0: CH340 detected
I took TEMPer.c[1] from Tollef Fog Heen's site, changed the device from 
/dev/ttyUSB0 to /dev/ttyU0 and compiled with

gcc -lm -o TEMPer2 TEMPer2.c

and tested it:
r...@testhost-1# ./TEMPer2
Init starting
Init done
^cr...@testhost-1#
It hangs after "Init done" until I break out of it with Ctrl-C. This is 
strange, the same code works fine un Linux:
ti...@kg-home:~$ uname -a
Linux kg-home 2.6.31-16-generic #53-Ubuntu SMP Tue Dec 8 04:01:29 UTC 2009 i686 
GNU/Linux
ti...@kg-home:~$ ~/work/temper/TEMPer
Init starting
Init done
Getting temperature done 0001100010000000. 24.500000
Getting temperature done 0001100010000000. 24.500000
Getting temperature done 0001100010000000. 24.500000
Getting temperature done 0001100100000000. 25.000000
Getting temperature done 0001100010000000. 24.500000
Getting temperature done 0001100000000000. 24.000000
Getting temperature done 0001100000000000. 24.000000
Getting temperature done 0001100010000000. 24.500000
Getting temperature done 0001100010000000. 24.500000
Getting temperature done 0001100100000000. 25.000000
^C

I wonder if it is the driver in FreeBSD or something different in the tty 
initialization?
Anyway, I have made a FreeBSD[2] and  a Linux[3] page with all the details.

References:
1) http://err.no/src/TEMPer.c
2) http://sites.google.com/site/tingox/temper_freebsd
3) http://sites.google.com/site/tingox/temper_xubuntu
-- 
Regards,
Torfinn Ingolfsen

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