Fix generation of large Mandelbrot PPMs
This commit is contained in:
Christian Dietrich
parent
8d320f3744
commit
5a255d239e
@ -1,6 +1,8 @@
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\documentclass{article}
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\usepackage{graphicx}
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\usepackage{avremu}
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\useavremulibrary{avr.draw}
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\errorcontextlines=23
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@ -68,6 +68,9 @@ int main() {
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uint8_t i;
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for (hy=1;hy<=hyres;hy++) {
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for (hx=1;hx<=hxres;hx++) {
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setcolor(hx * 100, 255, 0);
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dot(hx-1, hy-1);
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continue;
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cx = (((float)hx)/((float)hxres)-0.5)/magnify*3.0-0.7;
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cy = (((float)hy)/((float)hyres)-0.5)/magnify*3.0;
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cx += xdelta;
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@ -104,30 +107,14 @@ int main() {
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check-start:
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\def\avr@debug#1{}
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\newcommand{\mydot}[3]{%
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\definecolor{avrfill}{RGB}{#3}%
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\node[minimum size = 1mm,%
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anchor=north west,
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inner sep=0,
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draw=avrfill,fill=avrfill]
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at (#1 mm,#2 mm) {};%
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}
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\avr@instr@run
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% Dump to .dat file
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\newwrite\coords
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\openout\coords=\jobname.coords.dat
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\newcommand{\mydump}[3]{%
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\edef\@tempa{#1,#2,#3}%
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\expandafter\write\expandafter\coords\expandafter{\@tempa}%
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}
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\avrdrawiter{\mydump}
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\closeout\coords
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\begin{tikzpicture}[every node/.style={draw}]
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\avrdrawiter{\mydot}
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\end{tikzpicture}
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\avrdrawppm{mandelbrot.ppm}
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\immediate\write18{convert mandelbrot.ppm mandelbrot.png}
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\includegraphics[width=\linewidth]{mandelbrot.png}
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check-end:
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*/
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@ -54,10 +54,14 @@
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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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\typeout{avr@compile: --shell-escape is disabled}%
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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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@ -67,6 +71,15 @@
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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@ihex@load{#1}%
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}
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%%% Local Variables:
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%%% mode: latex
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%%% TeX-master: t
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@ -2,9 +2,6 @@
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% We define 2 IO Registers to communicate from AVR to the Drawing
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% mechanism
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\usepackage{tikz}
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\newcount\avr@draw@x
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\newcount\avr@draw@y
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\newcount\avr@draw@maxx
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@ -77,21 +74,58 @@
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\newcommand{\avrdrawiter}[1]{%
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\avr@draw@x=0%
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\loop%
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\unless\ifnum \avr@draw@x > \avr@draw@maxx
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\avr@draw@y=0%
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{\loop%
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\unless\ifnum \avr@draw@y > \avr@draw@maxy
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\ifcsdef{avr@draw@\the\avr@draw@x @\the\avr@draw@y}{%
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#1{\the\avr@draw@x}{\the\avr@draw@y}{\csuse{avr@draw@\the\avr@draw@x @\the\avr@draw@y}}%
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}{}%
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\advance \avr@draw@y by 1\relax%
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\repeat}%
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\advance \avr@draw@x by 1\relax%
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\repeat%
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\def\avr@iter@yloop{%
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\avr@draw@x=0%
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\ifnum \avr@draw@y > \avr@draw@maxy%
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\let\avr@iter@yloop=\relax%
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\else%
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\let\avr@iter@xloop@rec=\avr@iter@xloop%
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\avr@iter@xloop\relax%
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\advance \avr@draw@y by 1\relax%
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\fi%
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\avr@iter@yloop%
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}%
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\def\avr@iter@xloop{%
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\ifnum \avr@draw@x > \avr@draw@maxx%
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\let\avr@iter@xloop@rec=\relax%
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\else%
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\ifcsdef{avr@draw@\the\avr@draw@x @\the\avr@draw@y}{%
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#1 {\the\avr@draw@x}{\the\avr@draw@y}{\csuse{avr@draw@\the\avr@draw@x @\the\avr@draw@y}}%
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}{% Dot not defined
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}%
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\advance \avr@draw@x by 1\relax%
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\fi%
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\avr@iter@xloop@rec%
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}%
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\avr@iter@yloop%
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}
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\newcommand{\avrdrawSize}[2]{%
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\avr@count@tmpa=\avr@draw@maxx%
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\advance \avr@count@tmpa by 1\relax%
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\edef#1{\the\avr@count@tmpa}%
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\avr@count@tmpa=\avr@draw@maxy%
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\advance \avr@count@tmpa by 1\relax%
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\edef#2{\the\avr@count@tmpa}%
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}
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\newwrite\avr@file%
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\newcommand{\avrdrawppm}[1]{
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% Dump to .ppm file
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\immediate\openout\avr@file=#1%
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\immediate\write\avr@file{P3}%
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\avrdrawSize{\x}{\y}%
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\immediate\write\avr@file{\x \space \y \space 255}%
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\def\removecomma##1,##2,##3,{##1 ##2 ##3}%
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\newcommand{\avr@draw@ppm}[3]{%
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\edef\@tempa{##3}%
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\edef\@tempa{\expandafter \removecomma \@tempa,}%
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\expandafter\immediate\expandafter\write\expandafter\avr@file\expandafter{\@tempa}%
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}%
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\avrdrawiter{\avr@draw@ppm}%
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\immediate\closeout\avr@file%
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}
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%%% Local Variables:
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%%% mode: latex
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@ -15,14 +15,14 @@
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}
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\csdef{avr@instr@10111}#1#2#3#4#5#6#7#8\@nnil{%
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\def\@@A{#1#2#8}%
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\def\@@IOA{#1#2#8}%
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\avr@reg@get{#3#4#5#6#7}{\avr@Rr}%
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\avr@debug{OUT \@@A <- \avr@Rr}%
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\avr@io@set{\avr@Rr}{\@@A}%
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\avr@debug{OUT \@@IOA <- \avr@Rr}%
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\avr@io@set{\avr@Rr}{\@@IOA}%
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\avr@pc@inc%
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}
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% OUT
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% IN
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\def\avr@instr@IN#1#2#3{% A, R
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\def\@@A{#2}
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\avr@bin@msb@del{\@@A}{\@@A}{\@@a}%
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@ -61,11 +61,11 @@
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}
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\def\avr@io@set@default#1#2{%
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\avr@error{IO Port #2 is not defined (OUT #1)}%
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\avr@error{IO Port #2 is not defined (OUT <-#1)}%
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}
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\def\avr@io@get@default#1#2{%
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\avr@error{IO Port #1 is not defined (IN -> #2)}%
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\avr@error{IO Port #1 is not defined (IN ->#2)}%
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}
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\csdef{avr@io@111111@set}#1{%
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@ -8,3 +8,19 @@
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\input{avr.instr}
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\input{avr.io}
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\input{avr.testsuite}
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\newcommand{\useavremulibrary}[1]{
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\def\do##1{%
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\IfFileExists{##1}{%
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\csedef{avr@atcode}{\the\catcode`\@}%
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\makeatletter%
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\input{##1}\relax%
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\catcode`\@=\csname avr@atcode\endcsname%
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}{%
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\errmessage{avremu: Cannot find library ##1}%
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}%
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}%
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\edef\@tempa{#1}%
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\expandafter\docsvlist\expandafter{\@tempa}%
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}
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