On Sun, 03 Dec 2006 08:47:23 -0500, Victor Fraenckel wrote:
> Tomas,
>
> You might have a look at this:
>
> http://www.sparkfun.com/commerce/product_info.php?products_id=7955
>
> About the same price as the ALFAT unit.
>
> I,too, am looking for a mass storage device and I am looking at
> both the ALFAT and the DOSonCHIP unit. I haven't yet decided which
> one to try so I have no direct experience using either.
>
> HTH,
>
> Vic
>
>
> Tomas Larsson wrote:
>> Looking to implement a mass-storage device into my project.
>> Found something called ALFAT at http://www.ghielectronics.com
>> Anyone got any experience of this
>>

Another alternative (if you've got a PIC or other MPU with enough
resources) is including the hardware/software interface in your own
hardware design.

I've used this library before on several MPUs and it's a quality
product:

http://www.prllc.com/productcart/pc/viewCat_P.asp?idCategory=10

It's show as an AVR library [Dave VH ought to like that ;-)] but it's
easily ported to any MPU with the resources and a decent C compiler.
I've ported it successfully to the PIC18, MSP430, Rabbit and ARM
families.

At about $30-40 a pop, the hardware based ALFAT or DOSonCHIP is
probably okay for a one-off but the fairly low cost and no-royalties
of the PRLLC library starts to look real good at just a few units
volume. Hmmm, I just checked the site and see they've raised the
price to $199 since I purchased the library a few years ago (I think
I paid $139). That said, I'd still buy it at $199 as it's very solid
code, full featured and well documented.

Matt Pobursky
Maximum Performance Systems
 

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