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Till Harbaum | 2 Sep 2004 15:20
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Receive on /dev/ttySA1

Hi,

i am replacing the DECT modem in my SIMpad with a bluetooth module. My problem 
is, that i cannot get the /dev/ttySA1 uart to receive any data.

Using an oscilloscope, i see, that my bluetooth module gets the correct reset 
request from hci_attach and that it returns the correct command complete 
code. Therefore i am sure, that transmit works. But the SIMpad ignores all 
data received.

If i shorten RxD and TxD following the pinout at 
http://www.opensimpad.org/internals.0.html, i don't get any echo using two 
terminals with "cat /dev/ttySA1" in one window and "echo "Hallo" 
>/dev/ttySA1" on the other one. The same setup works as i expect with ttySA0, 
so this should be working with ttySA1 as well.

I also tried the other input pins on that connector, but none of them works as 
RxD (btw why is the connector listed to be 22 pin, while it only has 20 
pins?).

Anyway, is there any magic i need to do to receive data via /dev/ttySA1? Any 
pin i have to put at a certain voltage to enable the receiver? Any help is 
greatly appreciated, since the bluetooth chip itself is working fine.

Regards,
 Till

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-- 
Dr.-Ing. Till Harbaum                       Tel.:  +49 721 4998963
BeeCon GmbH                                 Fax:   +49 721 4998962
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Schweizer Walter | 2 Sep 2004 15:49
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RE: Receive on /dev/ttySA1

Hi Till

Maybe the ttySA1 is not configured in the kernel.
I have not really tested it.

The handshake can cause this effect.
How have you set the handshake?
Does the module set the handshake signals like RTS/CTS?

And check the baud rate setting...

Regards
Walter

> -----Original Message-----
> From: simpad-general-admin <at> lists.sourceforge.net
> [mailto:simpad-general-admin <at> lists.sourceforge.net]On Behalf Of Till
> Harbaum
> Sent: Thursday, September 02, 2004 3:20 PM
> To: simpad-general <at> lists.sourceforge.net
> Subject: [Simpad-general] Receive on /dev/ttySA1
> 
> 
> Hi,
> 
> i am replacing the DECT modem in my SIMpad with a bluetooth 
> module. My problem 
> is, that i cannot get the /dev/ttySA1 uart to receive any data.
> 
> Using an oscilloscope, i see, that my bluetooth module gets
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Till Harbaum | 2 Sep 2004 16:05
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Re: Receive on /dev/ttySA1

Hi,

On Thursday 02 September 2004 15:49, Schweizer Walter wrote:
> Maybe the ttySA1 is not configured in the kernel.
> I have not really tested it.
Transmit works, so it cannot be completely disabled.

> The handshake can cause this effect.
> How have you set the handshake?
RTS and CTS are low, so both sides should be fine.

> Does the module set the handshake signals like RTS/CTS?
Yes, it does.

But currently i have removed the module and i am just trying to get an echo 
with RxD and TxD of the simpad shortened ... no success so far.

> And check the baud rate setting...
Any baudrate will work with the echo loop. And since i saw the Bluetooth 
module sending the correct command complete reply, i am sure, the baud rate 
isn't the problem in any of my setup. Heck, the bluetooth module even 
understands my request, the simpad just doesn't understand the reply ...

I tend to think, that the uart receive function does not work or is not 
enabled at all or there's a problem with the receiver irq ...

I'd really like to take a look at the kernel sources and i found your howto, 
but the kernel in the opensimpad 0.8.1-1 is a 2.4.19-rmk7-jpm2 and i cannot 
find 2.4.19-rmk7 on kernel.org (rmk only has a 2.5 branch), nor do i find the 
jpm2 patch. IMHO it would be cool to have the current kernel sources and
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Till Harbaum | 2 Sep 2004 17:21
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Is opensimpad closed source?

Hi,

i have this bluetooth hardware i'd like to get working. I have now spent 
several hours searching for the sources of opensimpad 0.8.1-1 in order to be 
able to have a look at my problems with ttySA1 and to be able to update the 
bluetooth implementation.

I have been unable to find the latest patches (i am now at 2.4.19-rmk7-jpm1). 
I still have to find the jpm2 patches and imho the cramfs stuff.

I'd really like to give my idea of replacing, but opensimpad is basically 
closed source. You can download the binary from sourceforge, but not the 
sources. This is imho very frustrating ...

Is there any place to download the sources that match the contents of the 
initrd-SL4_0.8.1-1.bin file on sourceforge?

Is there still active development? If yes: Where? How can i contribute?

Slightly frustrated ...
  Till

--

-- 
Dr.-Ing. Till Harbaum                       Tel.:  +49 721 4998963
BeeCon GmbH                                 Fax:   +49 721 4998962
Haid-und-Neu Strasse 7, 76131 Karlsruhe     Mobil: +49 179 9087904
harbaum <at> beecon.de                           http://www.beecon.de

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Schweizer Walter | 2 Sep 2004 18:32
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RE: Is opensimpad closed source?

Hi Till

There are two places to look for sources:
sourceforge.net
opensimpad.org
Opensimpad has a special build system that I have never tried.
Basically you need to check out the sources from bitkeeper and CVS servers.
The images you mention are from opensimpad.

Regards
Walter

> -----Original Message-----
> From: simpad-general-admin <at> lists.sourceforge.net
> [mailto:simpad-general-admin <at> lists.sourceforge.net]On Behalf Of Till
> Harbaum
> Sent: Thursday, September 02, 2004 5:21 PM
> To: simpad-general <at> lists.sourceforge.net
> Subject: [Simpad-general] Is opensimpad closed source?
> 
> 
> Hi,
> 
> i have this bluetooth hardware i'd like to get working. I 
> have now spent 
> several hours searching for the sources of opensimpad 0.8.1-1 
> in order to be 
> able to have a look at my problems with ttySA1 and to be able 
> to update the 
> bluetooth implementation.
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Till Harbaum | 2 Sep 2004 19:06
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Re: Is opensimpad closed source?

Hi Walter,

On Thursday 02 September 2004 18:32, Schweizer Walter wrote:
> Opensimpad has a special build system that I have never tried.
So what you describe in your howto is _not_ the way to work with opensimpad? 
Is there any documentation on the opensimpad build system? www.opensimpad.org 
does not mention any build system.

> Basically you need to check out the sources from bitkeeper and CVS servers.
> The images you mention are from opensimpad.
They are the same ones as on sourceforge.

In the meantime i have found a jpm2 patch (there are plenty of them in 
bitkeeper, dunno which one does what, they all patch the kernel to 
-rmk7-jpm2) by copy and paste from some bitkeeper web frontend.

I was able to compile the btuart_cs kernel module and it loads fine into the 
kernel (it doesn't work, but that may be a problem with the xircom cards 
bitrate).

Ciao,
  Till

--

-- 
Dr.-Ing. Till Harbaum                       Tel.:  +49 721 4998963
BeeCon GmbH                                 Fax:   +49 721 4998962
Haid-und-Neu Strasse 7, 76131 Karlsruhe     Mobil: +49 179 9087904
harbaum <at> beecon.de                           http://www.beecon.de

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Chris Martin | 2 Sep 2004 21:19
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Re: Is opensimpad closed source?

Hi Till,

OpenSIMpad was built from OpenZaurus. All sources can be obtained there 
using Bitkeeper and CVS. See the following Link for Information about 
working with that.
http://opensimpad.org/wiki/index.php/Docs/BuildingCustomImages

As mentioned in this page the OpenZaurus Buildroot there is no longer 
mantained since everything is being transitioned to OpenEmbedded. When 
that is accomplished then OpenSIMpad will continue on this basis.

If you are only interessted in Kernel stuff then the CVS stuff at sf.net 
should have everything you need. I can't remember that we added any 
changes in Buildroot that differ from those at sf.net.

Regards,
Chris Martin

Till Harbaum wrote:

>Hi Walter,
>
>On Thursday 02 September 2004 18:32, Schweizer Walter wrote:
>  
>
>>Opensimpad has a special build system that I have never tried.
>>    
>>
>So what you describe in your howto is _not_ the way to work with opensimpad? 
>Is there any documentation on the opensimpad build system? www.opensimpad.org
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Till Harbaum | 3 Sep 2004 11:48
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Re: Is opensimpad closed source?

Hi Chris,

On Thursday 02 September 2004 21:19, Chris Martin wrote:
> using Bitkeeper and CVS. See the following Link for Information about
> working with that.
> http://opensimpad.org/wiki/index.php/Docs/BuildingCustomImages
Oops ... i completely missed that ... :-(

Would have saved me a bunch of time ...

Has anyone here ever used ttySA1?

Ciao,
  Till

--

-- 
Dr.-Ing. Till Harbaum                       Tel.:  +49 721 4998963
BeeCon GmbH                                 Fax:   +49 721 4998962
Haid-und-Neu Strasse 7, 76131 Karlsruhe     Mobil: +49 179 9087904
harbaum <at> beecon.de                           http://www.beecon.de

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Till Harbaum | 7 Sep 2004 20:19
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Small bluetooth success ...

Hi all,

i have got openembedded with kernel 2.4.25 to run on my simpad and with this, 
ttySA1 data reception is working. hciattach can access my simpads internal 
bluetooth chip. Unfortunately i have no matching hci_uart module to give it a 
real test run. I'll compile one tomorrow, but it looks like i successfully 
replaced the dect modem by a bluetooth chip :-)

Till

--

-- 
Dr.-Ing. Till Harbaum                       Tel.:  +49 721 4998963
BeeCon GmbH                                 Fax:   +49 721 4998962
Haid-und-Neu Strasse 7, 76131 Karlsruhe     Mobil: +49 179 9087904
harbaum <at> beecon.de                           http://www.beecon.de

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Massimo | 8 Sep 2004 12:19
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Bootloader after piggyback procedure

Hi all, I've found a lot of messages regarding bootloader issue after the 
piggyback procedure (short pin1 and pin2 and hard reset) to bring back to life 
a death simpad (this is generally done after problems with the software update 
option from siemens).

If you are lucky enough to have the simpad loading the piggyback bootloader you 
are stuck to the alternate bootloader 2.4 It seems there's any way to install 
windows ce 4.x images, nor to add another bootloader (any try will return the 
following message:  
"Base   : 0x1080014 Size 27371523 entry:0x4081000
 Overlap: 1080014-2a9a817   && 1f00014-1f74b9c
 Will fail -- try to load alternate loader: loader.alt")

Now I've spent hours digging the web trying to find an answer to this issue. 
None has never found a solution.

It's not clear to me if the new bootloader source posted by Walter Schweizer is 
a fix. Unfortunately I haven't any complete linux installation. I've tried to 
compile the source with a fresh Mandrake 10 but probably I miss too much 
libraries.

Is there any soul good enough to mail me a compiled version of this bootloader 
(I think it should be the one called "bootldr-simpad01.tar.bz2" on sourceforge)?

Thanks

Massimo

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Gmane