player application for e6?

[xetaman]

Interesting.. but what about the hardware capability?

Simple leeches even try to charge themselves through USB. How will the phone's battery support it? Looks extremely ambitious

[swifty]

Interesting.. but what about the hardware capability?

Simple leeches even try to charge themselves through USB. How will the phone's battery support it? Looks extremely ambitious

it will not charge the mobile
the USB on mobile can't power the DVD-Player.
one needs a self powered external DVD.
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[xetaman]

That's allright.. but any USB host will be expected to hold up for USB 1.0 standards, with the VCC pin expected to maintain a constant 5.0v voltage across VCC and ground. And then, depending on the impendance at the other end, expected to supply a max of 500mA of current (Not sure about the 500, could be 700).

How do we suppose the phone is going to deliver to deliver all this?

As a simple example, using phone A's port as host, if you plug phone B into it, and phone B starts leeching power off phone A. I dont think our phone's ports are designed to handle that. Just a hunch, not facts. But it seems unlikely.

[swifty]

I dont think our phone's ports are designed to handle that.

this is right, they can not give the 5V/500mA. that is the reason for a self powered client.
i don't think an external USB DVD-Player with it's own power supply will suck on the mobile USB.
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[nahtollay]

does it mean swifty have a DVD player on his phone.......? i agree with xetaman.....i'm afraid that our phone could'n handle the power & the data transfer....

[swifty]

does it mean swifty have a DVD player on his phone.......?

No, this is just a speculation about future possibilities.
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[xetaman]

Oh, so this is a new kind of disclaimer eh?

"This USB host will support only self powered clients. Even self powered clients which try to draw any power out of this host will cause unthinkable crashes!"




Though, seriously, i still think it's linked. Even a self powered client will only work if 5v is maintained against VCC and Ground. It will get itself recoginized as a USB device only on seeing that voltage being maintained. Logically, if you get it down to the electrical level, that's the only way it's possible.

[swifty]

here are some OFFtopic links where my thoughts came from
USB host - Openmoko
Specialized USB cables - Openmoko
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[Shafii]

i think ??? was abt Virtual DVD player application software not a Hardware DVD player!!!

[Shafii]

But dis is getting very intresting...