>-----Original Message-----
>From: Robert Rolf [mailto:Robert.Rolf@UALBERTA.CA]
>Sent: 11 January 2004 09:08
>To: PICLIST@MITVMA.MIT.EDU
>Subject: Re: [EE:] USB cable length. Evolution. Lack of testing
>
>Unfortunately Josh, that is exactly what my boss expects. The
>people involved see all these cheap WI-FI USB dongles that
>hang off USB ports, and figure that is should be "relatively
>simple" to make it work with the current PIC hardware. In
>other words, the want me to put a USB port on the unit so they
>can plug in an 802.11 dongle. 'It's USB, right? It should just
>-work-' I know better, but this is a collaboration with
>another large group, and they have a lot of newly degreed
>engineers (as well as some older ones, long since removed from
>hands-on design) who know all about the 'lastest stuff'. But
>since I don't have a degree, my experience/knowledge/skill means squat.
>
>The FTDI chips will certainly make basic hardwired USB comms
>easy. The target user will have a laptop, and probably won't
>have a real RS232 port today. It's the TCP/IP stack and Wi-Fi
>handshaking that will be the killer if I can't convince them
>it as bad an I idea as we all know it is.

The FTDI chip do make basic USB comms easy, but only as a slave USB device.
They will not be usefull for you to implement a USB master that you require
to use other USB peripherals such as the wifi adapter.

Mike




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