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From: Oliver Kleinke <oliver.kleinke@c-01a.de>
Newsgroups: comp.lang.ada
Subject: Re: Interrupt-driven Usart not working in Ada, but in C working, why?
Date: Sun, 16 Mar 2014 23:54:24 +0100
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Date: 2014-03-16T23:54:24+01:00
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Am Sun, 16 Mar 2014 13:37:45 -0700 (PDT)
schrieb "Rego, P." <pvrego@gmail.com>:

> I am trying to use interrupt-driven Usart on an Atmel AVR ATmega2560
> chip. 

Which compiler/version?

If you're using the GNU toolchain then you can use "(avr-)objdump -S"
to generate an assembly listing that's interspersed with source code.
(Compile with debugging symbols '-g'.)

You can then compare the disassembly of both programs.

> Given that I have mapped the Usart registers correctly on AVR.USART
> package (because my JtagICE said so).

Code?