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Discussion Groups | Comp.Arch.Embedded | Problems with UART

There are 3 messages in this thread.

You are currently looking at messages 0 to 3.

Problems with UART - elsaximena - 2005-05-26 09:37:00

HI...

I am programming with a MAVRIC II that uses the ATMEGA 128 but I connect 
GP2D12 infrarred sensor to the UART and I use the hyperterminal for see th
output of the sensor but the only thing that I receive was:
Éò@}@@wp@}@pNstr@¶ÏÌôóxw@¶ÏÌôó

What can I do??? The same thing happened with the srf04 ultrasoni
sensor!!!

I appreciate any help

Thanks


		
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Re: Problems with UART - Tim Mitchell - 2005-05-26 09:57:00

In article <W...@giganews.com>, elsaximena 
<x...@etb.net.co> writes
>HI...
>
>I am programming with a MAVRIC II that uses the ATMEGA 128 but I 
>connect a
>GP2D12 infrarred sensor to the UART and I use the hyperterminal for see 
>the
>output of the sensor but the only thing that I receive was:
>Éò@}@@wp@}@pNstr@¶ÏÌôóxw@¶ÏÌôó
>
>What can I do??? The same thing happened with the srf04 ultrasonic
>sensor!!!
>
either
a) the baud rate is not correct
or
b) one end is set to 8 bit and one is set to 9 bit
-- 
Tim Mitchell

Re: Problems with UART - Vadim Borshchev - 2005-05-26 10:42:00

On Thu, 26 May 2005 08:37:53 -0500, elsaximena <x...@etb.net.co> 
wrote:

> [...] but I connect a
> GP2D12 infrarred sensor to the UART and I use the hyperterminal for see 
> the
> output of the sensor [...]

GP2D12 produces analog signal.  You probably need to connect it to one of 
ADC inputs?

   Vadim