Lpc2000

it is done! someone made it for you ;-)
you have both now, the SD card and thumb flash for your customer.

http://www.ghielectronics.com/USBwiz.htm


--- In lpc2000@yahoogroups.com, "Mike Ward" <MikeW@r...> wrote:
> Guys,
> 
> It has to be USB.
> 
> I tried to convince the customer that a 1Gbyte SD card would 
suffice, but
> they want to be able to walk up to the machine with a USB 
pendrive, and just
> plug it in.
> 
> I have a lot of sympathy with their requirement.
> 
> USB has been so successful that it is a good standard.
> 
> Mike
> 
> 
> 
> -----Original Message-----
> From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com]On 
Behalf Of
> Rob Jansen
> Sent: 06 October 2005 18:13
> To: lpc2000@yahoogroups.com
> Subject: Re: [lpc2000] Ethernet addon board for LPC
> 
> Mike Ward wrote:
> 
> > I need to be able to plug in a USB flash drive, or hard drive, 
and
> > read and
> > write FAT etc data format.
> >
> > So, it must be a host controller, or possibly OTG.
> 
> If type does not matter, why not use an SD card?
> There was an article in CircuitCellar (see
> http://www.circuitcellar.com/magazine/176toc.htm "Portable FAT 
library
> for MCU Applications").
> I bought the article ($ 1,50) and it contains a FAT filesystem 
interface
> towards an SD/MMC including source code.
> 
> So if this is the only reason for USB host, go for the SD card 
(easier
> to implement than USB).
> 
> Rob
> 
> 
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