I set this up in a startup script on a 7350 that is based on the original TS script. The original script has a line mdev -s. I think a simple mdev invocation...
18156
j.chitte
Jun 1, 2010 1:54 pm
... OK, just for the record let's clear up some misinformation. mdev -s is needed to seed mdev with the devices existing when the kernel boots so that they get...
18157
j.chitte
Jun 1, 2010 1:57 pm
Hi, In setting up 2.6.32 I don't see how to set the number of tty devices. Two or three would be useful for ssh logins but I really don't need 64 ttys. I seem...
18158
kf5444
Jun 1, 2010 8:48 pm
I tried attaching an external disk array to a 7800 SATA port wasn't able to see any of the drives it contained, but can attach and probe individual drives...
18159
j.chitte
Jun 1, 2010 9:52 pm
... Can you mount the array on any linux machine and get it recognised? If not , it's probably not a TS issue. If you can it should be relatively simple to...
18160
Jim Jackson
jimbox51
Jun 1, 2010 10:04 pm
In the example code provided by TS, adc_7250.c , there is some manipulation of the output of the adc, which looks suspiciously like "magic" to me :-) Anyone...
18161
Charles
charliem_1216
Jun 2, 2010 12:57 am
Hi Jim -- ... Not sure what you refer to, but I'd guess the TS calibration values or working with the *signed* data... Take a look here (and the referenced...
18162
Satish Chetty
sc0125a
Jun 2, 2010 4:59 am
Jim, There are some calibration values in the board that the program uses. It was not working for me. I tried to redo a lot of the code only to find out...
18163
Jim Jackson
jimbox51
Jun 2, 2010 2:54 pm
Hi Charlie, ... Thanks for the ref. There you advise "Take a look at the transfer function of voltage vs returned value in the cirrus ep9301 manual." It was...
18164
j.chitte
Jun 2, 2010 3:14 pm
Hi, I'm having some problems accessing mtd devices with 2.6.32.11 with Matthieu's patches . All works well booting nfs but if I try to mount or erase the mtd...
18165
Kevin Fox
kf5444
Jun 2, 2010 4:59 pm
Derek Hildreth mentioned to me that the mvsata driver doesn't support hot-plug, so it might be that I simply hadn't allowed the drives to spin-up completely...
18166
Charles
charliem_1216
Jun 2, 2010 6:03 pm
Hi -- ... Matt used to have a patch for drivers/ntd/nand/ts7250.c that would change these hard-coded partition locations. In the patchset...
18167
j.chitte
Jun 2, 2010 9:02 pm
... Thanks Charlie, I've just come accross a post that I sent about a month ago that went unanswered. It confirms that this patch got dropped. ... Mathieu's...
18168
Luis
janopalma
Jun 3, 2010 3:22 am
I set to etch the source repository and update gcc and others to work with kernel 2.6(sdimage.dd have 2.4 kernel). My C program work fine with kernel 2.4, but...
18169
Luis
janopalma
Jun 3, 2010 3:43 am
Thanks I remember seen emdebian.org but to avoid problems I think in put the "official" source of software. If my update doesn't work I will try that....
18170
j.chitte
Jun 3, 2010 10:17 am
... Yes, to tie this up, all it needed was Matt's earlier patch that he reckoned obsolete. I don't understand why he pulled it, it hardly seems optional. ...
18171
Jim Jackson
jimbox51
Jun 4, 2010 12:18 pm
I'm trying to speak to a single RS485 device connected to the second port of a TS7260 with the RS485 option. I've never dealt with rs485 before. Am I right in...
18172
Mike Ingle
findmike62
Jun 4, 2010 3:36 pm
I am not an expert, but my 2cents: rs485 is a shared tx rx scheme with drivers which require a direction control bit. Essentially, you ware always a listener...
18173
akikem
Jun 4, 2010 3:53 pm
Well, now I know it's not a voltage problem. I actually used the scope to analyze over a working rs485 (with modbus) connection and the levels and the signals...
18174
Harold
hldewar
Jun 4, 2010 5:31 pm
What do you mean by "single device is connected full duplex"? That does not make sense. Full duplex means that it can transmit and receive at the same time,...
18175
Jim Jackson
jimbox51
Jun 4, 2010 10:30 pm
... The TS7260 option provides a diff pair for TX and a diff pair for RX on /dev/ttyAM1 (COM2). I have a device which has similar - the TX pair of one is...
18176
Harold
hldewar
Jun 5, 2010 12:21 pm
So you have an RS-422 device connected to an RS-422 port? If the port supports both RS-485 and RS-422 operation, then you probably have to do something to...
18177
cptdondo
Jun 5, 2010 1:07 pm
I'm coming back to play with TS-7xx0 stuff after a few years off.... I've got a TS-7200 with the A/D stuff on board. I'm trying to instrument a fridge (I know...
18178
Charles
charliem_1216
Jun 5, 2010 2:28 pm
Hi -- ... Look at a hall effect current sensor. Could be either a chip (all the current going through the chip) or a hall effect sensor attached to a ferrite...
18179
Petr Ĺ tetiar
kurvadopicek...
Jun 5, 2010 3:46 pm
... Hi, I think, that it's full duplex rs485, using two TX+RX+, TX-RX- pairs. And from the docs it seems, that ts72xx supports full duplex operation: "The COM2...
18180
Jim Jackson
jimbox51
Jun 5, 2010 9:20 pm
Hi ynezz, ... Ah, I missed this. I really should read the manual more carefully. Many thanks for pointing this out. ... Wonderful, I'll do the magic rs485 byte...
18181
cptdondo
Jun 5, 2010 11:23 pm
... A bit of googling found this: http://www.pololu.com/catalog/product/1186 which looks like exactly what I need. Thanks!...
18182
cptdondo
Jun 6, 2010 4:12 pm
Does anyone have a copy of Jim Jackson's lcdd.tgz laying around? This is the userspace driver for the two line LCD display.... Jim's repository seems to be...
18183
Donal O'Connor
wap_surfer
Jun 6, 2010 6:11 pm
Hi There, Has anyone experience cross compiling directfb for lenny. I've finally got Lenny running with QT 4.6.2 and TSLib. (Much faster than OABI). I want to...
18184
Jim Jackson
jimbox51
Jun 6, 2010 10:16 pm
... For some reason there was a file permission problem. I've fixed it http://www.comp.leeds.ac.uk/jj/linux/lcdd.tgz should now be downloadable. cheers Jim...