Xplain USB non-programmability problem now on Atmel radar

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kk6gm
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Posted by kk6gm: Wed. Dec 2, 2009 - 05:51 PM
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I just received another email from Atmel saying that they have revised the Xplain User Guide (AVR1907) to state

Quote:
3.4 Programming the XMEGA through the USB gateway
Programming of the ATxmega128A1 through the USB is not supported in the preliminary release.

Maybe a flurry of emails to avr@atmel.com asking for this feature ASAP would do some good.

Tags:

AVR Microcontrollers, megaAVR and tinyAVR, ATxmega128A1, ATmega128, ATmega128A
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Gold Markclawson
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Posted by clawson: Wed. Dec 2, 2009 - 06:03 PM
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Someone should tell Atmel that if they'd sponsor Dean's remaining years at university they could be getting things like this:

https://www.avrfreaks.net/index.p...

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ArnoldB
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Posted by ArnoldB: Wed. Dec 2, 2009 - 06:58 PM
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Atmel knows very well it is a problem for some time now:

AVR1907, 8203B-AVR-11/09, Chapter 8.4 wrote:
(Programming of the ATxmega128A1 through the USB bootloader is expected to be available late Q2 2009).

One can assume the sentence was written before end of Q2, so Atmel knows for at least half a year.

Someone should tell Atmel that they should stop telling lies about all sorts of dates related to Xmegas.

Stealing Proteus doesn't make you an engineer.

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leon_heller
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Posted by leon_heller: Wed. Dec 2, 2009 - 07:03 PM
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I think that they are getting desperate because of their dire financial situation:

http://www.reuters.com/finance/stocks/ratios?rpc=66&symbol=ATML.O

Leon Heller G1HSM

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abcminiuser
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Posted by abcminiuser: Wed. Dec 2, 2009 - 11:27 PM
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Never fear! I'm already part way through implementing the PDI procotocol into my AT90USB1287-compatible AVRISP-MKII clone firmware. With any luck I'll be able to get something going very soon, before Atmel.

- Dean :twisted:

Make Atmel Studio better with my free extensions. Open source and feedback welcome!

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Gold Markclawson
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Posted by clawson: Thu. Dec 3, 2009 - 11:07 AM
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leon_heller wrote:
I think that they are getting desperate because of their dire financial situation:

http://www.reuters.com/finance/stocks/ratios?rpc=66&symbol=ATML.O


Leon,

Thanks for that link - so the Analysts are giving a strong "Buy" recommendation then? That certainly sounds like a company in financial trouble (err, not!).

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leon_heller
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Posted by leon_heller: Thu. Dec 3, 2009 - 11:38 AM
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It's probably because the shares are *very* cheap, and they look like a good takeover bet.

Leon Heller G1HSM

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abcminiuser
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Posted by abcminiuser: Mon. Dec 14, 2009 - 04:18 AM
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Well, so far I've got PDI reading working, for the entire address space, but it's not optimized for speed yet. Once I work out the erase and program commands, I'll go back and work on making things faster, but for now getting *something* working is my top priority.

The code is tested on the XPLAIN board, under both hardware USART and bit-banged USART modes.

- Dean :twisted:

Attachment(s): 

Image icon XPLAIN Board's AVR reading the XMEGA's signature

Make Atmel Studio better with my free extensions. Open source and feedback welcome!

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abcminiuser
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Posted by abcminiuser: Mon. Dec 14, 2009 - 10:28 PM
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Right, optimized reads, erases and CRCs are now done - just need to finish off writing and it'll be ready for some beta-testing. Anyone want to volunteer for this when it's done? The code is compatible with the XPLAIN board as well as any USB AVR in both bit-bang and hardware USART modes.

Does anyone have an idea of the maximum clock rate I can push through the XMEGA-USB AVR link without the chance of noise getting into the signal? I'm already running at 1MHz USART, but I'd like to push it up as far as people think is reasonable to make it faster.

- Dean :twisted:

Make Atmel Studio better with my free extensions. Open source and feedback welcome!

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Bronze Markjs
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Posted by js: Mon. Dec 14, 2009 - 11:14 PM
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As an older person ANY speed is good enough... :? and I can try it out if you like.

John Samperi

Ampertronics Pty. Ltd.

https://www.ampertronics.com.au

* Electronic Design * Custom Products * Contract Assembly

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nedward
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Posted by nedward: Tue. Dec 15, 2009 - 02:44 AM
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I am awaiting my xplain board so if i get it in time for beta testing i will be happy to help out :)

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abcminiuser
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Posted by abcminiuser: Tue. Dec 15, 2009 - 10:19 AM
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The XPLAIN is now programmable! See this new thread for the initial beta version for public testing.

- Dean :twisted:

Make Atmel Studio better with my free extensions. Open source and feedback welcome!

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