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No. 45 Re: Re: about EZL-80C UART transmission qusetion 2005-09-27

Thank you for your suggestion,i already overcome my problems.


> Sollae Systems wrote:
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1st Problem:
>
> In ATC mode, EZL-80c echo the AT command by default.
> So you saw the message what you wrote.
>
> If you input ATE0 command, the the echo messsage will be disappeared.
> (ATE1: echo enable, ATE0: echo disable)
>
>
> 2nd Problem:
> I think there are some problems.
> For example:
> 1. PC is too slow or out of order
> 2. the Ground signal is not connected
> 3. voltage level problem(EZL-80c is 3.3V level)
>
> (We checked it but there is no problem)
>
> > Jason wrote:
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > I have a system including 8051(philp p89lpc922fn) EZL-80C,WLAN card.
> > Now i have some problem.I connect
> > (8051's TXD to ZEL80C's RXD and 8051's RXD to ZEL80C's TXD),when i input "AT+PRIP=192.192.70.23",but the ZEL80C responsed "AT+PRIP=192.192.70.23
> > OK".
> > Unfortunately the ezl-80c user's manual only put down in writing "OK",so i don't know why do they have this situation?
> > Sometimes they have another situation.I use the super terminal to check the 8051's TXD output which is "AT+PRIP=192.192.70.23",but it often lost some words,example:"AT+PIP=192.12.70.23" or "A+PRIP=92.192.0.23",so i don't overcome this situation.Could you tell me how to do overcome these problems.

Writer Sollae Systems Company