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  #1  
Old 08-03-2008, 10:42 PM
rtech rtech is offline
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Default Any updates on USB support?

Just wondering if anyone has any scoop to share about this. All I want for Christmas is USB support. And that 16gb microsd card.
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  #2  
Old 08-04-2008, 08:59 AM
saratoga saratoga is offline
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The issue with it corrupting things on microsd cards was fixed, and the stack is working great on the Gigabeat S. I don't think anyone has figured out why it sometime has issues on the PP chips yet.
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  #3  
Old 08-04-2008, 09:16 AM
donutman25 donutman25 is offline
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well i did some independent work with it and got itunes to recognize my sansa e260 but it would keep sayinf that my partition table or something was wrong and that i must use ipod software to reformat it. i stupidly did this and ended up bricking my sansa to a point where it would not turn on for a few days. After a while it came back and I dropped sansa.fmt onto the recovery partition and started over from scratch. Surprisingly I did not lose any of my music
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  #4  
Old 10-18-2008, 04:16 PM
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Any new information?
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  #5  
Old 10-18-2008, 05:29 PM
saratoga saratoga is offline
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Quote:
Originally Posted by Songokuu View Post
Any new information?
Theres been a lot of USB work going on for the Cowan D2 and I7, but I don't think anyone has been looking at the Sansa or other PP targets.
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  #6  
Old 10-18-2008, 05:48 PM
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I have heard it is a SD driver issue and not an USB issue right now.
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  #7  
Old 10-18-2008, 05:49 PM
saratoga saratoga is offline
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There are problems with both. The SD issue is more important since it can corrupt files, but the USB issue also prevents it from working properly on some systems (though we think it can't corrupt files).
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  #8  
Old 10-18-2008, 07:00 PM
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I remember gevaerts saying that it was more of a SD issue and not an USB issue sometime ago, but do not remember when tho.
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  #9  
Old 10-18-2008, 08:49 PM
saratoga saratoga is offline
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The USB issue is the general signal quality problem on all PP devices. Something isn't being initialized quite right on the USB transmitter which causes signal quality to be somewhat reduced. On some systems this doesn't matter, on others it causes disconnects and resets.
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  #10  
Old 10-18-2008, 09:14 PM
rtech rtech is offline
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Quote:
Originally Posted by saratoga View Post
The USB issue is the general signal quality problem on all PP devices.
Excuse the ignorance, but what is a "PP device"?
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  #11  
Old 10-18-2008, 10:49 PM
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advcomp2019 advcomp2019 is offline
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The PP device are: http://www.rockbox.org/twiki/bin/view/Main/PortalPlayer

Saratoga, then why have I heard the iPods and Olympus(which has it enabled from what I have heard) not having "this" issue yet. I have only heard it was on the Sansas. I think Llorean can clear this up hopefully. I am just confused with this now. I have reading IRC and it has confused me, now.
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  #12  
Old 10-18-2008, 10:59 PM
saratoga saratoga is offline
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Quote:
Originally Posted by advcomp2019 View Post
Saratoga, then why have I heard the iPods and Olympus(which has it enabled from what I have heard) not having "this" issue yet. I have only heard it was on the Sansas.
Because they don't have SD flash memory, and thus do not use the Sansa SD flash memory driver.

And USB isn't enabled on any PP devices yet.

Quote:
Originally Posted by advcomp2019 View Post
I think Llorean can clear this up hopefully. I am just confused with this now. I have reading IRC and it has confused me, now.
Confused about what exactly? There are two bugs. One in the SD driver (which is only used by the sansas) and one in the PP USB controller (which is needed on all PP devices to use USB). Both of them cause problems when using rockbox USB mode on PP. The problems caused by each are different and outlined in the posts above this one.
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  #13  
Old 10-18-2008, 11:41 PM
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The reason why I am confused is that there are people on #rockbox that has been using the USB support on the other PP targets with no issues, but I heard it was only with the Sansas. I can name a few people that has the USB support enabled, too. Plus, I think there is talk of enabling it on the PP targets, but for the Sansas, but there is people that does not want too.

Edit: I found this in the logs: http://www.rockbox.org/irc/log-20080925#00:35:17 and http://www.rockbox.org/irc/log-20080927#17:55:22

Edit 2: I think the logs are confusing. There are people saying one thing, but then a different thing later on in the Rockbox IRC.

Edit 3: Found out it was not the Olympus. It was the Phillips that has it enable: http://svn.rockbox.org/viewvc.cgi?vi...revision=17591

Last edited by advcomp2019; 10-19-2008 at 01:16 AM.
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  #14  
Old 10-19-2008, 11:50 AM
saratoga saratoga is offline
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Quote:
Originally Posted by advcomp2019 View Post
The reason why I am confused is that there are people on #rockbox that has been using the USB support on the other PP targets with no issues,
Quote:
Originally Posted by saratoga
The USB issue is the general signal quality problem on all PP devices. Something isn't being initialized quite right on the USB transmitter which causes signal quality to be somewhat reduced. On some systems this doesn't matter, on others it causes disconnects and resets.
You're literally just repeating my post back at me.

Quote:
Originally Posted by advcomp2019 View Post
I think the logs are confusing.
Quote:
advcomp2019: is it a USB or SD driver that is stopping the PP targets? because someone is saying it is both

ameyeras: I understand it, USB, but the Sansas have issues with both.
How is any of that confusing to you?

Quote:
Originally Posted by advcomp2019 View Post
Edit 3: Found out it was not the Olympus. It was the Phillips that has it enable: http://svn.rockbox.org/viewvc.cgi?vi...revision=17591
Yes, and the phillips port isn't supported in part because of the USB issue.
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  #15  
Old 11-04-2008, 07:41 AM
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Saratoga, here is more info that USB support: http://www.rockbox.org/irc/log-20081104#14:22:50
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  #16  
Old 11-04-2008, 08:14 AM
saratoga saratoga is offline
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Quote:
Originally Posted by advcomp2019 View Post
Saratoga, here is more info that USB support: http://www.rockbox.org/irc/log-20081104#14:22:50
And?
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  #17  
Old 11-04-2008, 09:07 AM
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So my post #6 and #8 in this thread was right from what I read from that log.
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  #18  
Old 11-04-2008, 10:05 AM
Llorean Llorean is offline
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Okay, to summarize:

1) ALL PP devices have signal quality issues currently. This is an annoying, but not particularly damaging, issue, but it can prevent consistent use. This will depend more on the computer you're attached to than anything else, so you may see no problems, or it may be unusable entirely for you until the problem is resolved.

2) The Sansas, with their SD based internal storage, also have an SD driver issue that is most obvious when copying large files, or when using USB, that can cause more significant problems than the signal quality issues (such as data corruption and possible requiring reformatting) meaning that even if the signal quality issues are resolved, the Sansas won't see USB enabled until the SD issue is also resolved.

Last edited by Llorean; 11-04-2008 at 11:17 AM.
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  #19  
Old 11-04-2008, 11:02 AM
saratoga saratoga is offline
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Quote:
Originally Posted by advcomp2019 View Post
So my post #6 and #8 in this thread was right from what I read from that log.
Those posts are not correct.
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  #20  
Old 11-04-2008, 07:22 PM
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Llorean, now, I understand it on how you are saying it. The IRC chat just can get confusing when many people are talking about the same things.
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