Here is the radio card:
http://www.rovingne tworks.com/ wifly-gsx. php
Let me know what you think!
Thanks Jim.
--- In .com, Jim Jackson <> wrote:
>
>
>
>
> On Tue, 16 Feb 2010, tsao.terence wrote:
>
> > Hi Jim,
> >
> > I read the data sheet of the Radio card, it is uart interface, which
> > supports up to 1000000 baud rate. That is why I am trying to figure out
> ^^^^^^^^^^^^ ^
>
> This makes me very suspicious! What is the product - have you a web site
> ref for the radio card?
>
> > a solution because the maximum baudrate for TS7260 is 230K. I will like
> > to use a USB to
serial board like this:
>
> > http://www.sparkfun .com/commerce/ product_info. php?products_ id=718
> >
> > What do you think?
> >
> > Thanks
> >
> > --- In .com, Jim Jackson <jj@> wrote:
> >>
> >>
> >> Sorry but your whole query is pretty non-sensical. ..
> >>
> >> On Sun, 14 Feb 2010, tsao.terence wrote:
> >>
> >>> I have a 2.4Ghz radio card that supports up to 1Mbps transfer rate with
> >>> uart interface. Therefore I am trying to hack the TS7260 uart to have
> >>> the baudrate of 1000000. The only reason they quote
maximum baudrate is
> >>> only 230K is because the limitation of the RS232 chip on board.
> >>
> >> What interface does your radio card present for connection to the host
> >> computer? The documentation (you know that stuff that nobody seems to read
> >> :-) for the radio card should be specific.
> >>
> >> If it is an rs232-type serial interface, it should say something like rs232
> >> at TTL levels, like TS describe some of their "rs232" interfaces.
> >> They should also specify the EXACT baud rate at which they drive this
> >> interface - you have to match this EXACT baud rate on the TS board side.
> >> They should also say how many data bits, whether or not they use parity
> >> etc.
> >>
> >> If they don't give this info, then start to suspect that it is not an rs232
>
>> type interface - there are many other types of serial interface e.g. i2c,
> >> spi and these are driven in an entirely different way.
> >>
> >>>
> >>> Therefore I will like to bypass the RS232 level, but I don't know if you can actually do that.
> >>>
> >>> 1.) Can I set the uart to a different set of pins therefore it doesn't go though the RS232 chip and it won't have baud rate limitation issue?
> >>>
> >>> 2.) Get a USB to serial converter, but I don't really like that idea, I want to use just the board itself.
> >>>
> >>> 3.) What else can I do to upscale the baudrate to 1000000 without having to distort the signal.
> >>>
> >>> Remember I want UART not RS232
> >>>
> >>> Thanks
> >>>
> >>>
>
>>
> >
> >
> >
>