Rockbox General > Rockbox General Discussion

Accessing my music via the USB port on car stereo

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saratoga:

--- Quote from: rockrockrock on February 28, 2013, 06:40:21 AM ---When the device is connected via USB cable, it turns on and activates in some sort of slave mode.

--- End quote ---

That would be USB mode.


--- Quote from: rockrockrock on February 28, 2013, 06:40:21 AM --- I believe it is the music player and not the car stereo that selects what data is available in that mode.
--- End quote ---

Its USB mode.  All the data is available.  Its up to your car stereo to figure out what to do with it though.

Crafty:
The computer sees the SD as another storage device.  I dout a car stereo is going to read it.

Your car stereo does access the root-folder and\or 1 folder.  Maybe your car stereo stops searching for music files when it sees 1 or more empty sub folder.  It was programed this way to speed up access on cd's and memory stick with mixed music and data.
 
I would try putting a mp3 file in the root and all the sub-folder in the path.

Crafty:
Found it.

to access the SD card:
setting->general setting->system->USB hide internal disk

soap:

--- Quote from: rockrockrock on February 28, 2013, 06:40:21 AM ---The music is mostly (entirely?) on the SD card.

I disagree with the notion that this is primarily a car stereo issue.  When the device is connected via USB cable, it turns on and activates in some sort of slave mode.  I believe it is the music player and not the car stereo that selects what data is available in that mode.  My question is can I override the default Sansa behavior with RockBox.

--- End quote ---

Let's be clear.  This appears to be a problem with your head unit.  I'm sure your head unit is functioning as it was intended, but the apparent inability to handle a USB device which presents multiple endpoints (which are not that uncommon) is the most likely cause.  Crafty has most likely posted the solution to your problem.  Don't let Rockbox show the internal drive and the SD card at the same time and the head unit will most likely play nice.

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