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      05-09-2013, 09:43 PM   #1
csirias
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x1 usb reading a nexus 7 android

I have a 2012 without idrive. I put my nexus android tablet on the glove compartment and it looks nice.

I tether the tablet to my iPhone for navigation.

However I was thinking shouldn't the USB combo be able to read the android file system just like it reads a pen drive?
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      05-10-2013, 03:27 AM   #2
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Quote:
Originally Posted by csirias View Post
I put my nexus android tablet on the glove compartment and it looks nice.
Can you post a photo of this?
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      05-10-2013, 10:35 AM   #3
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Potentially if when you connect it, a screen should pop up on the tablet and ask if you want to enable your tablet to be used as a "Mass Storage Device", then it should work.
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      05-10-2013, 12:43 PM   #4
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The glove compartment USB cannot connect to mass storage devices (except to transfer to hard drive), you have to use the lower port. Also, I believe file system must be FAT32 so the droid still may not work.
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      05-10-2013, 01:16 PM   #5
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Not only FAT32, but the drive must be 32 GB or less.

It also won't read "superfloppy" initialized drives, where the entire drive is FAT32. Some companies deliver their thumbdrives that way, because they get slightly more room on them. If so, reformat it so it gets an MSDOS bootblock and the first partition becomes FAT32. (That's the default if you reformat it in Windows.)
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      05-10-2013, 01:38 PM   #6
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Quote:
Originally Posted by Grovsnus View Post
Not only FAT32, but the drive must be 32 GB or less.

It also won't read "superfloppy" initialized drives, where the entire drive is FAT32. Some companies deliver their thumbdrives that way, because they get slightly more room on them. If so, reformat it so it gets an MSDOS bootblock and the first partition becomes FAT32. (That's the default if you reformat it in Windows.)
Any idea if the sandisk cruzer fit usb sticks work out of the box? I loaded one up with all my music but I can't test it until at the Welt and at that point I won't have a computer to rework it. I noticed on the sandisk cruzer fit that they have a few extra folders for sandisk "stuff" which is new to me, and I left them as-is.
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      05-10-2013, 03:31 PM   #7
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As long as your thumb drive is using the FAT32 file system, and is 32 gig or less chances are it will work fine even with other files on it. They will be ignored / not recognized.
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      05-10-2013, 05:02 PM   #8
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Quote:
Originally Posted by edx1 View Post
Any idea if the sandisk cruzer fit usb sticks work out of the box? I loaded one up with all my music but I can't test it until at the Welt and at that point I won't have a computer to rework it. I noticed on the sandisk cruzer fit that they have a few extra folders for sandisk "stuff" which is new to me, and I left them as-is.
No, can't say about Sandisk Cruzer.
I know that old PNY drives work without a reformat, but not newer ones. A Kingston Datatraveler I tried also came in a "superfloppy" FAT32 format.
A cheap Patriot Xporter worked until it broke.
An expensive Mushkin Ventura Pro worked fine, but that's overkill.
I currently use a Sony Micro Vault 32 GB - it's horribly slow, but fast enough for this use, and small and non-ugly enough to stay permanently inserted.

So in short, I've tried most everything except the Cruzer.
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      05-10-2013, 05:58 PM   #9
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Quote:
Originally Posted by CIWS View Post
As long as your thumb drive is using the FAT32 file system, and is 32 gig or less chances are it will work fine even with other files on it. They will be ignored / not recognized.
No, as said earlier, it also has to be a partitioned drive, not a FAT32 "superfloppy" where the FAT32/VFAT file system fills the entire drive including sectors 0-63.
Some vendors do the latter because the drive will show with slightly (32 kB) more capacity, and if used only on desktop PCs with Windows or OS X, it still works.

Not so much in Linux or QNX, which won't mount raw drives by default, just partitions.

Most drives are partitioned by default, and will work out of the box (or blister pack) but far from all. So test it first, and if it doesn't work, a reformat or fdisk will almost certainly cure the problem.

As for file names, yes, existing files are mostly ignored. But if you're a Linux or OS X user, don't use UTF-8 (Unicode) for international characters in file names, as it confuses the heck out of the iDrive, and can cause it to freeze up temporarily. Windows uses code pages by default for FAT, so unless you got the drive from a Linux/Mac user who put Motörhead songs on it, you're likely fine. UTF-8 in the song title works fine, it's just in the file and directory (folder) names it causes confusion.

Last edited by Grovsnus; 05-10-2013 at 06:09 PM.. Reason: (clarificaition with UTF-8)
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      05-10-2013, 07:16 PM   #10
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Quote:
Originally Posted by Grovsnus View Post
No, as said earlier, it also has to be a partitioned drive, not a FAT32 "superfloppy" where the FAT32/VFAT file system fills the entire drive including sectors 0-63.
Well goody IT tech talk.

I didn't say anything about superfloppies or mention the use of vfat. Quit trying to over tech the situation when a lot of folks may not understand it, keep it simple.

A thumb drive formatted in fat32, and 32 gig or less in size. (you said that earlier)

Oh and by the way Mr. tech if it's already formatted fat32 it's been partitioned, or I bet you knew that didn't you.
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      05-10-2013, 07:59 PM   #11
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Quote:
Originally Posted by Grovsnus View Post
Not so much in Linux or QNX, which won't mount raw drives by default, just partitions.
define by default, I always use mount by command line for all drive access. Or just mounting without using a loopback?
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      05-10-2013, 08:55 PM   #12
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Quote:
Originally Posted by CIWS View Post
Oh and by the way Mr. tech if it's already formatted fat32 it's been partitioned, or I bet you knew that didn't you.
You have no business rolling your eyes when you give out dead wrong information.

FAT32 is a file system, and independent of partitioning. It can go on either a partition, or an entire unpartitioned device.

Most of the time, flash media is partitioned, and the FAT32 file system goes onto the first partition. But that's not always the case. Because the partitioning takes up sectors 0-62 on the device, some manufacturers choose to format the entire drive, unpartitioned, as FAT32.

Here's an example of images of two flash drives - both PNY 4 GB drives.
Both are FAT32. One is partitioned, and the other one isn't:

# fdisk -l /dev/md127 /dev/loop1

Disk /dev/md127: 4008 MB, 4008706048 bytes
93 heads, 53 sectors/track, 1588 cylinders, total 7829504 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
/dev/md127p1 * 63 7829503 3914720+ c W95 FAT32 (LBA)

Disk /dev/loop1: 4008 MB, 4008706048 bytes
255 heads, 63 sectors/track, 487 cylinders, total 7829504 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System


Both of them are mounted as FAT32 (vfat):

# df -t vfat
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/md127p1 3907072 4 3907068 1% /mnt/md127p1
/dev/loop1 3907104 4 3907100 1% /mnt/loop1


Both of the drives work as FAT32, and you cannot easily tell the difference in Windows (well, one has 32 kB more free). They both work. They're both FAT32.
But only one of them works in the X1 - the top one.

While Windows' "Format" will partition the disk too, the manufacturer's format as FAT32 doesn't necessarily do that.

tl;dr, don't care about technical stuff:
Most flash drives work out of the box in the X1, but not all.
If it works in Windows but not in the X1, reformat it, and it will almost certainly start working. (You'll lose all the content when formatting, and have to fill it again.)

Last edited by Grovsnus; 05-10-2013 at 09:25 PM..
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      05-10-2013, 09:04 PM   #13
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Quote:
Originally Posted by edx1 View Post
define by default, I always use mount by command line for all drive access. Or just mounting without using a loopback?
By "by default", I meant automounting, and the common automounters don't normally do parent device name mounts, just subdevices, i.e. partitions, but not "superfloppies". You can set up some udev/fsdev magic to make it happen in Linux, of course.
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      05-10-2013, 10:59 PM   #14
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Quote:
Originally Posted by Grovsnus View Post
You have no business rolling your eyes when you give out dead wrong information.
Physician heal thyself.
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      05-11-2013, 05:25 PM   #15
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Quote:
Originally Posted by edx1 View Post
Any idea if the sandisk cruzer fit usb sticks work out of the box? I loaded one up with all my music but I can't test it until at the Welt and at that point I won't have a computer to rework it. I noticed on the sandisk cruzer fit that they have a few extra folders for sandisk "stuff" which is new to me, and I left them as-is.
Yeah, I bought one and it worked fine. I dumped the other files and folders off it as far as i recall.
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      05-11-2013, 11:14 PM   #16
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Damn it seems that Android uses Media Transfer Protoco, MTP instead of usb mode http://www.ekoob.com/usb-mass-storag...s-7-mtp-11458/ so Nexus7 does not seem to domthe trick although it looks sleek. I will post pictures later.
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      05-13-2013, 12:32 PM   #17
csirias
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Pics

Here are the pictures of my current setup. I also used the following which gods to aux port to transmit music over bluetooth

http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1


To dock the nexus and provide power I want this one: http://www.amazon.com/gp/product/B00...A17MC6HOH9AVE6 which I haven't buy yet as it is not available in Costa Rica yet.
Attached Images
  
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      05-16-2014, 08:46 AM   #18
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Quote:
Originally Posted by csirias View Post
Here are the pictures of my current setup. I also used the following which gods to aux port to transmit music over bluetooth

http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1


To dock the nexus and provide power I want this one: http://www.amazon.com/gp/product/B00...A17MC6HOH9AVE6 which I haven't buy yet as it is not available in Costa Rica yet.
Do you have a breakdown on how you installed the tablet. How did you secure it in the glove box? I just purchased a 2014 X1 without iDrive and I'd like to integrate a tablet into the glove box.

Thanks-Ferg
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      05-16-2014, 10:43 AM   #19
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Quote:
Originally Posted by Grovsnus View Post
Not only FAT32, but the drive must be 32 GB or less.
I have routinely used a 64 GB drive to load files onto the X1's HD. It certainly works fine for that function.
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      05-22-2014, 06:10 AM   #20
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So I am waiting for delivery of my new X1 but thought I would get a new 32 GB thumb drive, quick format it, and load it with music. At high quality variable bit rate you can still fit a fair amount of music on a 32GB drive. How does the X1 read that drive? Does it take 5 minutes to re-read it every time you start the car (like older Mazda's I hear) or is the music just sitting there ready to be accessed pretty quickly?
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      05-22-2014, 06:44 AM   #21
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I simply copied my iTunes library to the thumb drive. The car is ready to play when I get in it. The first time after inserting the drive it reads it for a little bit - but not terrible. Really works well. Quality is great.
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      05-22-2014, 07:09 AM   #22
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Great news! Thanks for responding so quickly.
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