95 lines
2.7 KiB
TeX
95 lines
2.7 KiB
TeX
%% Copyright (C) 2014 Christian Dietrich <stettberger@dokucode.de>
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%% -------------------------------------------------------
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%%
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%% This package may be distributed and/or modified under the conditions
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%% of the LaTeX Project Public License, either version 1.3c of this
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%% license or (at your option) any later version. The latest version of
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%% this license is in
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%%
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%% http://www.latex-project.org/lppl.txt
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%%
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%% and version 1.3c or later is part of all distributions of LaTeX
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%% version 2008/05/04 or later.
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%
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% This interacts with the avr-gcc and provides a loader for ihex files
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%
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\def\avr@ihex@parse@line:#1#2#3#4#5#6#7#8#9;{%
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\avr@hex@tobin{#1#2}{\avr@ihex@bytes}%
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\avr@hex@tobin{#3#4#5#6}{\avr@ihex@address}%
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\def\avr@ihex@type{#7#8}%
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\def\avr@ihex@data{#9}%
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}
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\def\avr@ihex@readop#1#2#3{%
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\def\avr@ihex@readop@helper##1##2##3##4##5\@nnil{%
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\avr@hex@tobin{##3##4##1##2}{#2}%
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\xdef#3{##5}%
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}%
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\edef\@tempa{#1}%
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\expandafter\avr@ihex@readop@helper\@tempa\@nnil%
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}
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\newcount\avr@ihex@addr
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\newcount\avr@ihex@count
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\newcount\avr@ihex@instrs
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\def\avr@ihex@load#1{%
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\newread\avr@input%
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\avr@ihex@instrs=0\relax%
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\openin\avr@input=#1\relax%
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\@whilesw\unless\ifeof\avr@input\fi{%
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\endlinechar59% 59==;
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\readline\avr@input to \avr@line \relax%
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\endlinechar=-1%
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\expandafter\ifstrequal\expandafter{\avr@line}{;}{}{%
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\expandafter\avr@ihex@parse@line \avr@line%
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\ifdefstring{\avr@ihex@type}{00}{%
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\avr@bin@tocount{\avr@ihex@bytes}{\avr@ihex@count}%
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\avr@bin@tocount{\avr@ihex@address}{\avr@ihex@addr}%
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\divide\avr@ihex@addr by 2\relax%
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\divide\avr@ihex@count by 2\relax%
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\loop \ifnum \avr@ihex@count > 0%
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\avr@ihex@readop{\avr@ihex@data}{\avr@ihex@opcode}{\avr@ihex@data}%
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\avr@code@set{\avr@ihex@opcode}{\the\avr@ihex@addr}%
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%\avr@debug{=\avr@ihex@opcode}%
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\advance \avr@ihex@count by -1\relax%
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\advance \avr@ihex@addr by 1\relax%
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\repeat%
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}{}%
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}%
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}%
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\closein\avr@input%
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}
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\def\avr@compile#1#2{%
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\ifnum\pdfshellescape=1%
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\immediate\write18{rm #1.hex #1.elf}%
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\immediate\write18{avr-gcc -o #1.elf #1 #2}%
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\immediate\write18{avr-objcopy -O ihex -R .eeprom #1.elf #1.hex}%
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\IfFileExists{#1.hex}{}{%
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\errmessage{avremu: Compilation of Source code failed (#1)}%
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}%
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\else%
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\errmessage{avremu: --shell-escape is disabled; cannot compile}%
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\fi%
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}
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\newcommand{\avrloadc}[2][-Os -mmcu=atmega8]{%
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\avr@init%
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\avr@compile{#2}{#1}%
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\avr@ihex@load{#2.hex}%
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}
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\newcommand{\avrcompile}[2][-Os -mmcu=atmega8]{%
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\avr@compile{#2}{#1}%
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}
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\newcommand{\avrloadihex}[1]{%
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\avr@init%
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\avr@ihex@load{#1}%
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}
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