Re: VX9800 Implementation Update

"Roger Binns" <[email protected]>
Newsgroups gmane.comp.mobile.bitpim.devel
Message-ID <007901c5e359$3cbbc3e0$3501a8c0@rogersqyvr14d3>
> I tried transferring files between the PC and the miniSD card (through 
> the phone using BitPim), and it was painfully SLOW!  

On a good day I see about 25kb/s speaking the diagnostics protocol.
This is in large part due to the small transfer size (256 byte units)
and the need to acknowledge each block as it is sent.

You may want to try an experiment.  Generate the entire protocol for
sending the whole file in one go and just write that to the com port
discarding anything coming back.

That will tell you the maximum speed that you can send data to the
phone.  I suspect it will be a bit better than 25kb/s since there
won't be "thinking" time between each block.  However I doubt it
will be in the megabyte per second range which is easily surpassed
by most memory cards.

Roger


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