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Re: [Paparazzi-devel] Booz Spektrum AR7000 Satellite Integration Code

From: antoine drouin
Subject: Re: [Paparazzi-devel] Booz Spektrum AR7000 Satellite Integration Code
Date: Wed, 1 Dec 2010 21:49:16 +0100

why do you keep struggling with such an outdated processor ?
equivalent class modern architectures are readily available at
comparable cost

On Wed, Dec 1, 2010 at 8:58 PM, Friedemann Ludwig
<address@hidden> wrote:
> Hi,
> I am trying to get the Booz Spektrum Satellite receiver code working with an
> Atmega8. I ported the code. The UART receive interrupt is heavily called,
> but I do not receive more than one complete Frame, sometimes not even that,
> and I am not sure if the received data makes sense. After switching the
> transmitter on, something is received, but than the loop stucks somewhere in
> the first bits.
> I am a programmer but do not have much experience with embedded systems, so
> its quite hard for me to track the error. I try to push some debug output on
> a LCD display.
> The only thing I can think of is, that the baud rate is not precise enough.
> Because I am using a 8 Mhz crystal there is a 3.5 % deviation from the
> receiver's rate. Does anybody have experience with that? Might the baud rate
> be a reason for not getting a stable connection?
> Regards,
> Friedemann
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden

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