[Bluez-devel] BCM2035 over UART on Palm T|T3

[Bluez-devel] BCM2035 over UART on Palm T|T3

[magon]

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Hi all,
	It happend that I have Palm T|T3 and hack linux for it(don't ask how).
	This gadget have Broadcom's BCM2035 connected over UART
	interface and PXA261 CPU.
	The biggest problem is, that I haven't managed to get even single byte
	from it. And I am shure it is on UART I am trying(when i disable
	it in Palm OS BT stops working).
	My plan was to kick off Palm OS and just before booting linux
	start to talk to BT. I have copied get version command from
	hciattach to end of bootloader(Garux). Than enabled BT in Palm
	OS, and executed bootloader and it simple doesn't return single
	byte.

	My question is, do I need to send any special character(like
	break) or something else, UART should be properly configured
	from Palm OS. And what should be proper testing command to send
	to get response.

	And also if anyone have seen that chip's wiring, are there any
	other wires that should be connected to CPU and I should find in
	order to communicate with it.

			Martin Kupec

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Re: [Bluez-devel] BCM2035 over UART on Palm T|T3

[高 迎宾]

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Hi Kupec,
   Maybe you should  validate your UART has been drived by your OS,and you 
can test it using oscillograph or electronic multimeter.
  In my experience, no need to send any special character, just send 
bluetooth reset command. 
  gao
>From: magon@yo.cz
>Reply-To: BlueZ development <bluez-devel@lists.sourceforge.net>
>To: bluez-devel@lists.sourceforge.net
>Subject: [Bluez-devel] BCM2035 over UART on Palm T|T3
>Date: Wed, 3 Jan 2007 21:22:43 +0100
>
>Hi all,
>	It happend that I have Palm T|T3 and hack linux for it(don't ask how).
>	This gadget have Broadcom's BCM2035 connected over UART
>	interface and PXA261 CPU.
>	The biggest problem is, that I haven't managed to get even single byte
>	from it. And I am shure it is on UART I am trying(when i disable
>	it in Palm OS BT stops working).
>	My plan was to kick off Palm OS and just before booting linux
>	start to talk to BT. I have copied get version command from
>	hciattach to end of bootloader(Garux). Than enabled BT in Palm
>	OS, and executed bootloader and it simple doesn't return single
>	byte.
>
>	My question is, do I need to send any special character(like
>	break) or something else, UART should be properly configured
>	from Palm OS. And what should be proper testing command to send
>	to get response.
>
>	And also if anyone have seen that chip's wiring, are there any
>	other wires that should be connected to CPU and I should find in
>	order to communicate with it.
>
>			Martin Kupec

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Re: [Bluez-devel] BCM2035 over UART on Palm T|T3

[magon]

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Ok, thanks, but question is, do BCM2035 response to BT reset? or just
reset itself.
	I tried BT version command, should it response to that one? Or
	it have to be BT reset? Does it depend on something to response
	to version, and does BT reset response anytime?

		Martin Kupec
On Sat, Jan 06, 2007 at 11:38:48PM +0800, ?? ???? wrote:
> Hi Kupec,
>   Maybe you should  validate your UART has been drived by your OS,and you 
> can test it using oscillograph or electronic multimeter.
>  In my experience, no need to send any special character, just send 
> bluetooth reset command. 
>  gao
> >From: magon@yo.cz
> >Reply-To: BlueZ development <bluez-devel@lists.sourceforge.net>
> >To: bluez-devel@lists.sourceforge.net
> >Subject: [Bluez-devel] BCM2035 over UART on Palm T|T3
> >Date: Wed, 3 Jan 2007 21:22:43 +0100
> >
> >Hi all,
> >	It happend that I have Palm T|T3 and hack linux for it(don't ask 
> >	how).
> >	This gadget have Broadcom's BCM2035 connected over UART
> >	interface and PXA261 CPU.
> >	The biggest problem is, that I haven't managed to get even single 
> >	byte
> >	from it. And I am shure it is on UART I am trying(when i disable
> >	it in Palm OS BT stops working).
> >	My plan was to kick off Palm OS and just before booting linux
> >	start to talk to BT. I have copied get version command from
> >	hciattach to end of bootloader(Garux). Than enabled BT in Palm
> >	OS, and executed bootloader and it simple doesn't return single
> >	byte.
> >
> >	My question is, do I need to send any special character(like
> >	break) or something else, UART should be properly configured
> >	from Palm OS. And what should be proper testing command to send
> >	to get response.
> >
> >	And also if anyone have seen that chip's wiring, are there any
> >	other wires that should be connected to CPU and I should find in
> >	order to communicate with it.
> >
> >			Martin Kupec
> 
> _________________________________________________________________
> ???????????????????????????? MSN Messenger:  http://messenger.msn.com/cn  
> 
> 

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