tests/mandelbrot: Added Mandelbrot example
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Christian Dietrich
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44fe73ff8f
commit
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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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% TWAR
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\newcount\avr@draw@argc
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\csdef{avr@io@000010@set}#1{%
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\avr@bin@tocount{#1}{\avr@accA}%
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\avr@log{DRAW CMD: \the\avr@accA}%
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\avr@draw@command{\the\avr@accA}%
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\avr@draw@argc = 0\relax
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}
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\csdef{avr@io@000011@set}#1{%
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\avr@bin@tocount{#1}{\avr@accA}%
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\avr@debug{AVR DRAW PUSH: \the\avr@accA}%
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\csxdef{avr@draw@stack@\the\avr@draw@argc}{\the\avr@accA}%
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\advance\avr@draw@argc by 1\relax
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}
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\def\avr@draw@stack#1{\csuse{avr@draw@stack@#1}}
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\def\avr@draw@command#1{%
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\ifcsdef{avr@draw@command@#1}{%
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\csuse{avr@draw@command@#1}%
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}{%
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\avr@error{AVR DRAW: Unkown Command #1}%
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}%
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}
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\def\avr@draw@canvas{}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Draw Commands
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\csdef{avr@draw@command@0}{} % NOP
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% Set Draw Color
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\definecolor{avrdraw}{rgb}{255,255,255}
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\csdef{avr@draw@command@1}{%
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\ifnum \avr@draw@argc < 3%
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\avr@debug{DRAW: Set Draw COLOR, Not enough arguments}%
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\fi%
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\edef\@@append{%
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\detokenize{\definecolor{avrdraw}}%
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{rgb}{\avr@draw@stack{0},\avr@draw@stack{1},\avr@draw@stack{2}}%
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}
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\eappto\avr@draw@canvas{\@@append}
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}
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% Set Fill Color
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\definecolor{avrfill}{rgb}{255,255,255}
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\csdef{avr@draw@command@2}{%
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\ifnum \avr@draw@argc < 3%
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\avr@debug{DRAW: Set Fill COLOR, Not enough arguments}%
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\fi%
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\edef\@@append{%
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\detokenize{\definecolor{avrfill}}%
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{rgb}{\avr@draw@stack{0},\avr@draw@stack{1},\avr@draw@stack{2}}%
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}
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\eappto\avr@draw@canvas{\@@append}
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}
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\csdef{avr@draw@command@3}{%
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\avr@draw@command{1}% Set Draw Color
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\avr@draw@command{2}% Set Fill Color
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}
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% Rectangle
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\csdef{avr@draw@command@4}{%
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\ifnum \avr@draw@argc < 4%
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\avr@debug{DRAW: Rectangle, Not enough arguments (4 required)}
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\fi%
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\edef\@@append{%
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\detokenize{\node}%
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[minimum height = \avr@draw@stack{2}mm,%
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minimum width = \avr@draw@stack{3}mm,%
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inner sep=0,%
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anchor=north west,
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draw=avrdraw,fill=avrfill]
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at (\avr@draw@stack{0}mm,\avr@draw@stack{1}mm) {};%
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}%
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\eappto\avr@draw@canvas{\@@append}%
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}
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% Small Rectangle
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\csdef{avr@draw@command@5}{%
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\ifnum \avr@draw@argc < 2%
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\avr@debug{DRAW: Short Rectangle, Not enough arguments (2 required)}
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\fi%
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\edef\@@append{%
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\detokenize{\node}%
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[minimum size = 1mm,%
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inner sep=0,%
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anchor=north west,
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draw=avrdraw,fill=avrfill]
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at (\avr@draw@stack{0}mm,\avr@draw@stack{1}mm) {};%
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}%
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\eappto\avr@draw@canvas{\@@append}%
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}
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\newcommand{\avrdrawcanvas}{%
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\begin{tikzpicture}
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\scantokens\expandafter{\avr@draw@canvas}%
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\end{tikzpicture}
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}
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%%% Local Variables:
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%%% mode: latex
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%%% TeX-master: "avr.tex"
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%%% End:
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@ -1,3 +1,7 @@
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\def\avr@log#1{%
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\typeout{AVR (\the\avr@instr@executed): #1}%
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}
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\def\avr@debug#1{%
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\typeout{\the\avr@pc: #1}%
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}
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@ -48,6 +52,20 @@
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\avr@instr@stepn@helper%
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}
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% Run Forever
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\def\avr@instr@run{
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\avr@instr@steps=1%
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\def\avr@instr@stepn@helper{
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\ifnum \avr@instr@steps > 0%
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\avr@instr@step%
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\else%
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\let\avr@instr@stepn@helper\relax%
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\fi%
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\avr@instr@stepn@helper%
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}%
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\avr@instr@stepn@helper%
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}
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\def\avr@instr@dispatch#1#2#3#4#5#6#7#8#9\@nnil{%
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\ifcsdef{avr@instr@#1#2#3#4#5#6#7#8#9}{%
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\csuse{avr@instr@#1#2#3#4#5#6#7#8#9}\@nnil%
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@ -12,6 +12,7 @@
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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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\input{../avr.draw}
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\begin{document}
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\makeatletter
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@ -0,0 +1,121 @@
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/** mandel.c by Eric R. Weeks written 9-28-96
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** weeks@physics.emory.edu
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** http://www.physics.emory.edu/~weeks/
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**
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** This program is public domain, but this header must be left intact
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** and unchanged.
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**
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**/
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#include <avr/io.h>
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#define SET_DRAW_COLOR 1
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#define SET_FILL_COLOR 2
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#define SET_ALL_COLOR 3
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#define CMD_RECTANGLE 4
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#define CMD_SHORT_RECTANGLE 5
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static
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void setcolor(uint8_t color, uint8_t r, uint8_t g, uint8_t b) {
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TWDR = r;
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TWDR = g;
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TWDR = b;
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TWAR = color;
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}
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static
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void rectangle(uint8_t x, uint8_t y, uint8_t w, uint8_t h) {
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TWDR = x, TWDR = y;
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TWDR = w, TWDR = h;
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TWAR = CMD_RECTANGLE;
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}
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static
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void dot(uint8_t x, uint8_t y) {
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TWDR = x, TWDR = y;
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TWAR = CMD_SHORT_RECTANGLE;
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}
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/* Colors
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import colorsys
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def color(i):
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h = i/float(100)
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s = 1.0
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v = h
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print h, s, v
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x = colorsys.hsv_to_rgb(h, s, v)
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return (str(int(x[0] * 255)),
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str(int(x[1] * 255)),
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str(int(x[2] * 255)))
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colors = [color (i) for i in range(0, 100)]
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print "char color_R[] = {%s};" % (",".join([x[0] for x in colors]))
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print "char color_G[] = {%s};" % (",".join([x[1] for x in colors]))
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print "char color_B[] = {%s};" % (",".join([x[2] for x in colors]))
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*/
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char color_R[] = {0,2,5,7,10,12,15,17,20,22,25,28,30,33,35,38,40,42,42,41,40,39,38,36,34,31,29,26,22,19,15,11,6,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,13,24,35,47,58,70,83,95,108,121,135,149,163,177,192,207,214,216,219,221,224,226,229,232,234,237,239,242,244,247,249,252};
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char color_G[] = {0,0,0,1,2,3,5,7,9,12,15,18,22,25,29,34,39,43,45,48,51,53,56,58,61,63,66,68,71,73,76,79,81,84,86,89,91,94,96,99,102,104,107,109,112,114,117,119,122,124,127,122,116,110,104,98,91,84,76,69,61,52,44,35,26,16,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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char color_B[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,8,14,20,27,33,40,48,55,63,71,80,89,98,107,117,127,130,132,135,137,140,142,145,147,150,153,155,158,160,163,165,168,170,173,175,178,181,183,186,188,191,193,196,198,201,204,206,209,211,205,195,184,173,161,149,137,125,112,99,86,72,58,44,29,15};
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int main() {
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float x,xx,y,cx,cy;
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uint16_t iteration;
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uint8_t hx,hy;
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const uint8_t itermax = 100; /* how many iterations to do */
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float magnify=2.0; /* no magnification */
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uint8_t hxres = 20; /* horizonal resolution */
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uint8_t hyres = 20; /* vertical resolution */
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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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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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x = 0.0; y = 0.0;
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for (iteration=1;iteration<itermax;iteration++) {
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xx = x*x-y*y+cx;
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y = 2.0*x*y+cy;
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x = xx;
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if (x*x+y*y>100.0) {
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i = iteration;
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iteration = 0xff;
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}
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}
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if (iteration<0xff) {
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setcolor(SET_ALL_COLOR, 0,0,0);
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} else {
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setcolor(SET_ALL_COLOR,
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color_R[i],
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color_G[i],
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color_B[i]);
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}
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dot(hx-1, hy-1);
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}
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}
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asm volatile ("break");
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}
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/*
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check-name: Complex Memory Operations
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check-start:
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\def\avr@debug#1{}
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\avr@instr@run
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\avrdrawcanvas
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\newwrite\commentfile
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\openout\commentfile=\jobname.tikz.tex
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\write\commentfile{\avr@draw@canvas}
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\closeout\commentfile
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check-end:
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*/
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@ -107,7 +107,7 @@ do_test()
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# grab the actual output & exit value
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pdflatex -halt-on-error -shell-escape "$file".tex 1> $file.output 2> $file.error
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actual_exit_value=$?
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rm -f *.log *.aux *.pdf
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rm -f *.log *.aux
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if [ "$actual_exit_value" -ne 0 ]; then
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echo
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