connecting mobile to FPGA

EDAboard.com Forum Index -> PLD, SPLD, GAL, CPLD, FPGA Design -> connecting mobile to FPGA

Author

Message

askhater

Joined: 11 Apr 2007
Posts: 2

11 Apr 2007 14:39 connecting mobile to FPGA

i am working in a project to connect cell phone(with usb cable) to FPGA board
and the development board contains only RS232 interface so do anyone have idea
about how to convert USB (cell phone) to RS232(board) ?

N.B:

usb to serial converter wont work because there must be host which is PC
so if any one have any solution or know a cable will help
Thanks

Iouri

Joined: 17 Aug 2005
Posts: 687
Helped: 79

11 Apr 2007 16:33 connecting mobile to FPGA

use PC usb and 2 serial port, besides if there fpga on the board you need to boot up

askhater

Joined: 11 Apr 2007
Posts: 2

11 Apr 2007 21:31 Re: connecting mobile to FPGA

Iouri wrote:

use PC usb and 2 serial port, besides if there fpga on the board you need to boot up

what do u mean by PC usb ?

Is this mean to put pc as a converter between cell phone & FPGA

And Thanks for your fast reply

banjo

Joined: 24 Dec 2005
Posts: 644
Helped: 118

11 Apr 2007 22:58 connecting mobile to FPGA

There is an exciting new family of chips that provide this host function from FTDI. Check out

http://www.ftdichip.com/FTProducts.htm#Vinculum

The also have some inexpensive development kits so you can try it out without spinning boards and sinking lots of time. I think one of these chips is the bridge device you are looking for.

Google
AdSense
Google Adsense

11 Apr 2007 22:58 Ads

eeklac

Joined: 09 Jul 2004
Posts: 25
Helped: 1

12 Apr 2007 3:51 Re: connecting mobile to FPGA

Well, as you mentioned, for the USB, there should be a HOST (like PC).

And on the Cell Phone, there may be two types of USB functions, one is the RS232 conversion, and the other is Mass Storage.

So, if you want to do so, better use a chip that can do as a HOST function. Many ARM chip could do, and the ARM chips are also equiped with UART...

However, most of the demo for the ARM chip are for mass storage, to interface through USB with card reader, or thrumbdrive, and even Web CAM, for the USB-232, I think you may need to implement the driver yourself.