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| author | Joel Bodenmann <joel@unormal.org> | 2013-05-02 01:51:36 +0200 | 
|---|---|---|
| committer | Joel Bodenmann <joel@unormal.org> | 2013-05-02 01:51:36 +0200 | 
| commit | dca2721b9de72b4435dfb80b8c7c9c2ac89ed370 (patch) | |
| tree | 7321bae13f3375b24a55b5a10c0fa08dfa592b30 /demos | |
| parent | 0a26d9983b6d1deab272ff6dde98f7c77ff2a56c (diff) | |
| download | uGFX-dca2721b9de72b4435dfb80b8c7c9c2ac89ed370.tar.gz uGFX-dca2721b9de72b4435dfb80b8c7c9c2ac89ed370.tar.bz2 uGFX-dca2721b9de72b4435dfb80b8c7c9c2ac89ed370.zip  | |
fixed 3rdparty demos path
Diffstat (limited to 'demos')
| -rw-r--r-- | demos/3rdparty/boing/gfxconf.h | 40 | ||||
| -rw-r--r-- | demos/3rdparty/boing/main.c | 111 | ||||
| -rw-r--r-- | demos/3rdparty/bubbles/gfxconf.h | 40 | ||||
| -rw-r--r-- | demos/3rdparty/bubbles/main.c | 194 | ||||
| -rw-r--r-- | demos/3rdparty/readme.txt | 10 | 
5 files changed, 395 insertions, 0 deletions
diff --git a/demos/3rdparty/boing/gfxconf.h b/demos/3rdparty/boing/gfxconf.h new file mode 100644 index 00000000..45b6d7ab --- /dev/null +++ b/demos/3rdparty/boing/gfxconf.h @@ -0,0 +1,40 @@ +/** + * This file has a different license to the rest of the GFX system. + * You can copy, modify and distribute this file as you see fit. + * You do not need to publish your source modifications to this file. + * The only thing you are not permitted to do is to relicense it + * under a different license. + */ + +#ifndef _GFXCONF_H +#define _GFXCONF_H + +/* GFX sub-systems to turn on */ +#define GFX_USE_GDISP			TRUE +#define GFX_USE_GWIN			FALSE +#define GFX_USE_GEVENT			FALSE +#define GFX_USE_GTIMER			FALSE +#define GFX_USE_GINPUT			FALSE + +/* Features for the GDISP sub-system. */ +#define GDISP_NEED_VALIDATION	        FALSE +#define GDISP_NEED_CLIP			FALSE +#define GDISP_NEED_TEXT			FALSE +#define GDISP_NEED_CIRCLE		FALSE +#define GDISP_NEED_ELLIPSE		FALSE +#define GDISP_NEED_ARC			FALSE +#define GDISP_NEED_SCROLL		FALSE +#define GDISP_NEED_PIXELREAD	        FALSE +#define GDISP_NEED_CONTROL		FALSE +#define GDISP_NEED_MULTITHREAD       	FALSE +#define GDISP_NEED_ASYNC		FALSE +#define GDISP_NEED_MSGAPI		FALSE + +/* Builtin Fonts */ +#define GDISP_INCLUDE_FONT_SMALL        FALSE +#define GDISP_INCLUDE_FONT_LARGER       FALSE +#define GDISP_INCLUDE_FONT_UI1          FALSE +#define GDISP_INCLUDE_FONT_UI2          FALSE +#define GDISP_INCLUDE_FONT_LARGENUMBERS FALSE + +#endif /* _GFXCONF_H */ diff --git a/demos/3rdparty/boing/main.c b/demos/3rdparty/boing/main.c new file mode 100644 index 00000000..a34cd2a9 --- /dev/null +++ b/demos/3rdparty/boing/main.c @@ -0,0 +1,111 @@ +/* Derived from the 2011 IOCCC submission by peter.eastman@gmail.com + * http://www.ioccc.org/2011/eastman/eastman.c + * -- + * Public Domain -- but you're looking at this for ideas of techniques + * and methods, not trying to cut&paste an entire application, anyway. + * -- + * When you need to blit an entire screenfull of data to an LCD + * display, the basic idea is to exploit the auto-increment feature of + * the display controller when it writes to screen memory. You start + * by resetting the 'cursor' to the 0,0 position, and then stream + * width*height pixels out. + * -- + * Chris Baird,, <cjb@brushtail.apana.org.au> April 2013 + */ + +#include <math.h> +#include "ch.h" +#include "hal.h" +#include "gfx.h" +#include "ssd2119.h" + +#define Lightgrey (HTML2COLOR(0xC0C0C0)) +#define Midgrey (HTML2COLOR(0x606060)) +#define Darkgrey (HTML2COLOR(0x303030)) + + +/* ---------------------------------------------------------------------- */ +/* As of early April 2013, the /gfx extension tries to keep the low-level + * stuff away from our filthy paws. So Code Duplication. + * (Possibly to be replaced with gdispStartStream(), gdispWriteStream() + * and gdispStopStream() in the future.) + */ + +#define GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* DC = 0 */ +#define GDISP_RAM (*((volatile uint16_t *) 0x60100000)) /* DC = 1 */ + +inline void write_index (uint16_t index) { GDISP_REG = index; } +inline void write_data (uint16_t data) { GDISP_RAM = data; } + +#define write_reg(reg, data) { write_index(reg); write_data(data); } + +void reset_cursor (void) +{ +  write_reg (SSD2119_REG_X_RAM_ADDR, 0); +  write_reg (SSD2119_REG_Y_RAM_ADDR, 0); +} + +#define StartStream() { write_index (SSD2119_REG_RAM_DATA); } +#define WriteStream(x) { write_data (x); } +#define StopStream() /* NOP */ + + +/* ---------------------------------------------------------------------- */ + +void main (void) +{ +  uint16_t xx, yy, colour; + +  halInit(); +  chSysInit(); +  gdispInit(); + +  uint16_t width = (uint16_t)gdispGetWidth(); +  uint16_t height = (uint16_t)gdispGetHeight(); + +  float i=height/5+height%2+1, floorstart=height/5-1, spherespin=0.0, +    l=width/2, m=height/4, n=.01*width, o=0.0, rotspeed=0.1, h, f, g; + +  while (TRUE) +    { +      reset_cursor (); +      StartStream (); + +      for (xx=yy=0; +	   h = (m-yy)/i, f=-.3*(g=(l-xx)/i)+.954*h, yy<height; +	   yy += (xx = ++xx%width)==0 ) +	{ +	  if (g*g < 1-h*h)	/* if inside the ball */ +	    if (((int)(9-spherespin+(.954*g+.3*h)/sqrtf(1-f*f))+(int)(2+f*2))%2==0) +	      colour = Red; +	    else +	      colour = White; +	  else +	    { +	      if (xx<floorstart || xx>width-floorstart) +		colour = Darkgrey; /* side wall */ +	      else +		colour = Lightgrey; /* back wall */ + +	      if (yy > height-floorstart) +		if (xx < height-yy || height-yy > width-xx) /* floor */ +		  colour = Darkgrey; +		else +		  colour = Midgrey; + +	      if (g*(g+.6)+.09+h*h < 1) +		colour >>= 1;	/* ball shadow; make it darker  */ +	    } + +	  WriteStream (colour);	/* pixel to the LCD */ +	} + +      StopStream(); +      spherespin += rotspeed; +      m += o; +      o = m > height-1.75*floorstart ? -.04*height : o+.002*height; +      n = (l+=n)<i || l>width-i ? rotspeed=-rotspeed,-n : n; +    } +} + +/* ---------------------------------------------------------------------- */ diff --git a/demos/3rdparty/bubbles/gfxconf.h b/demos/3rdparty/bubbles/gfxconf.h new file mode 100644 index 00000000..9b1f76a6 --- /dev/null +++ b/demos/3rdparty/bubbles/gfxconf.h @@ -0,0 +1,40 @@ +/** + * This file has a different license to the rest of the GFX system. + * You can copy, modify and distribute this file as you see fit. + * You do not need to publish your source modifications to this file. + * The only thing you are not permitted to do is to relicense it + * under a different license. + */ + +#ifndef _GFXCONF_H +#define _GFXCONF_H + +/* GFX sub-systems to turn on */ +#define GFX_USE_GDISP			TRUE +#define GFX_USE_GWIN			FALSE +#define GFX_USE_GEVENT			FALSE +#define GFX_USE_GTIMER			FALSE +#define GFX_USE_GINPUT			FALSE + +/* Features for the GDISP sub-system. */ +#define GDISP_NEED_VALIDATION	        FALSE +#define GDISP_NEED_CLIP			FALSE +#define GDISP_NEED_TEXT			FALSE +#define GDISP_NEED_CIRCLE		TRUE +#define GDISP_NEED_ELLIPSE		FALSE +#define GDISP_NEED_ARC			FALSE +#define GDISP_NEED_SCROLL		FALSE +#define GDISP_NEED_PIXELREAD	        FALSE +#define GDISP_NEED_CONTROL		FALSE +#define GDISP_NEED_MULTITHREAD       	FALSE +#define GDISP_NEED_ASYNC		FALSE +#define GDISP_NEED_MSGAPI		FALSE + +/* Builtin Fonts */ +#define GDISP_INCLUDE_FONT_SMALL        FALSE +#define GDISP_INCLUDE_FONT_LARGER       FALSE +#define GDISP_INCLUDE_FONT_UI1          FALSE +#define GDISP_INCLUDE_FONT_UI2          FALSE +#define GDISP_INCLUDE_FONT_LARGENUMBERS FALSE + +#endif /* _GFXCONF_H */ diff --git a/demos/3rdparty/bubbles/main.c b/demos/3rdparty/bubbles/main.c new file mode 100644 index 00000000..81c5dbe3 --- /dev/null +++ b/demos/3rdparty/bubbles/main.c @@ -0,0 +1,194 @@ +/* Microcontroller graphic demo by Pascal Piazzalunga + * admin@serveurperso.com http://www.serveurperso.com + * https://www.youtube.com/watch?v=wyuJ-dqS2to + * Ported to stm32/ChibiOS/glx by Chris Baird. + * It's spinnin' bubbles, man. + * -- + * Licencing? Ask Pascal. Let's assume it is freely-distributable and + * modifiable, provided his name is kept in the source. + * -- + * Chris Baird,, <cjb@brushtail.apana.org.au> April 2013 + */ + +#include <math.h> +#include "ch.h" +#include "hal.h" +#include "gfx.h" + + +/* ---------------------------------------------------------------------- */ + +#define N 1024			/* Number of dots */ +#define SCALE 8192 +#define INCREMENT 512		/* INCREMENT = SCALE / sqrt(N) * 2 */ +#define PI2 6.283185307179586476925286766559 + +#define background RGB2COLOR(0,0,0) + +uint16_t width, height; +int16_t sine[SCALE+(SCALE/4)]; +int16_t *cosi = &sine[SCALE/4]; /* cos(x) = sin(x+90d)... */ + + +void initialize (void) +{ +  uint16_t i; + +  /* if you change the SCALE*1.25 back to SCALE, the program will +   * occassionally overrun the cosi array -- however this actually +   * produces some interesting effects as the BUBBLES LOSE CONTROL!!!! +   */ +  for (i = 0; i < SCALE+(SCALE/4); i++) +    //sine[i] = (-SCALE/2) + (int)(sinf(PI2 * i / SCALE) * sinf(PI2 * i / SCALE) * SCALE); +    sine[i] = (int)(sinf(PI2 * i / SCALE) * SCALE); +} + + +void matrix (int16_t xyz[3][N], color_t col[N]) +{ +  static uint32_t t = 0; +  int16_t x = -SCALE, y = -SCALE; +  uint16_t i, s, d; +  uint8_t red,grn,blu; + +#define RED_COLORS (32) +#define GREEN_COLORS (64) +#define BLUE_COLORS (32) + +  for (i = 0; i < N; i++) +    { +      xyz[0][i] = x; +      xyz[1][i] = y; + +      d = sqrtf(x * x + y * y);	/* originally a fastsqrt() call */ +      s = sine[(t * 30) % SCALE] + SCALE; + +      xyz[2][i] = sine[(d + s) % SCALE] * sine[(t * 10) % SCALE] / SCALE / 2; + +      red = (cosi[xyz[2][i] + SCALE / 2] + SCALE) * +	(RED_COLORS - 1) / SCALE / 2; +      grn = (cosi[(xyz[2][i] + SCALE / 2 + 2 * SCALE / 3) % SCALE] + SCALE) * +	(GREEN_COLORS - 1) / SCALE / 2; +      blu = (cosi[(xyz[2][i] + SCALE / 2 + SCALE / 3) % SCALE] + SCALE) * +	(BLUE_COLORS - 1) / SCALE / 2; +      col[i] = ((red << 11) + (grn << 5) + blu); + +      x += INCREMENT; + +      if (x >= SCALE) x = -SCALE, y += INCREMENT; +    } +  t++; +} + + +void rotate (int16_t xyz[3][N], uint16_t angleX, uint16_t angleY, uint16_t angleZ) +{ +  uint16_t i; +  int16_t tmpX, tmpY; +  int16_t sinx = sine[angleX], cosx = cosi[angleX]; +  int16_t siny = sine[angleY], cosy = cosi[angleY]; +  int16_t sinz = sine[angleZ], cosz = cosi[angleZ]; + +  for (i = 0; i < N; i++) +    { +      tmpX      = (xyz[0][i] * cosx - xyz[2][i] * sinx) / SCALE; +      xyz[2][i] = (xyz[0][i] * sinx + xyz[2][i] * cosx) / SCALE; +      xyz[0][i] = tmpX; + +      tmpY      = (xyz[1][i] * cosy - xyz[2][i] * siny) / SCALE; +      xyz[2][i] = (xyz[1][i] * siny + xyz[2][i] * cosy) / SCALE; +      xyz[1][i] = tmpY; + +      tmpX      = (xyz[0][i] * cosz - xyz[1][i] * sinz) / SCALE; +      xyz[1][i] = (xyz[0][i] * sinz + xyz[1][i] * cosz) / SCALE; +      xyz[0][i] = tmpX; +    } +} + + +void draw(int16_t xyz[3][N], color_t col[N]) +{ +  static uint16_t oldProjX[N] = {0}; +  static uint16_t oldProjY[N] = {0}; +  static uint8_t oldDotSize[N] = {0}; +  uint16_t i, projX, projY, projZ, dotSize; + +  for (i = 0; i < N; i++) +    { +      projZ = SCALE - (xyz[2][i] + SCALE) / 4; +      projX = width / 2 + (xyz[0][i] * projZ / SCALE) / 25; +      projY = height / 2 + (xyz[1][i] * projZ / SCALE) / 25; +      dotSize = 3 - (xyz[2][i] + SCALE) * 2 / SCALE; + +      gdispDrawCircle (oldProjX[i], oldProjY[i], oldDotSize[i], background); + +      if (projX > dotSize && +	  projY > dotSize && +	  projX < width - dotSize && +	  projY < height - dotSize) +	{ +	  gdispDrawCircle (projX, projY, dotSize, col[i]); +	  oldProjX[i] = projX; +	  oldProjY[i] = projY; +	  oldDotSize[i] = dotSize; +	} +    } +} + + +/* ---------------------------------------------------------------------- */ + +int16_t angleX = 0, angleY = 0, angleZ = 0; +int16_t speedX = 0, speedY = 0, speedZ = 0; + +int16_t xyz[3][N]; +color_t col[N]; + + +int main (void) +{ +  int pass = 0; + +  halInit(); +  chSysInit(); +  gdispInit(); + +  chThdSleepMilliseconds (10); +  gdispClear (background); /* glitches.. */ +  chThdSleepMilliseconds (10); +  gdispClear (background);  /* glitches.. */ +  chThdSleepMilliseconds (10); +  gdispClear (background);  /* glitches.. */ + +  width = (uint16_t)gdispGetWidth(); +  height = (uint16_t)gdispGetHeight(); + +  initialize(); + +  for (;;) +    { +      matrix(xyz, col); +      rotate(xyz, angleX, angleY, angleZ); +      draw(xyz, col); + +      angleX += speedX; +      angleY += speedY; +      angleZ += speedZ; + +      if (pass > 400) speedY = 1; +      if (pass > 800) speedX = 1; +      if (pass > 1200) speedZ = 1; +      pass++; + +      if (angleX >= SCALE) angleX -= SCALE; +      else if (angleX < 0) angleX += SCALE; + +      if (angleY >= SCALE) angleY -= SCALE; +      else if (angleY < 0) angleY += SCALE; + +      if (angleZ >= SCALE) angleZ -= SCALE; +      else if (angleZ < 0) angleZ += SCALE; +    } +} + +/* ---------------------------------------------------------------------- */ diff --git a/demos/3rdparty/readme.txt b/demos/3rdparty/readme.txt new file mode 100644 index 00000000..3f97204a --- /dev/null +++ b/demos/3rdparty/readme.txt @@ -0,0 +1,10 @@ +In this directory, you can find different demos showing how to use ChibiOS/GFX. +The demos in these directories are contributions from users of the ChibiOS/GFX +project and come from different sources. Therefore, the source files of these +demos come with different licenses which can be found on top of the cor- +responding files. +Since these files are not part of the ChibiOS/GFX project, no support for these +demos is provided. And as with all software which can be found in the /demos +directory, use on your own risk. There's no warranty of the correctness +and function of the demos provided. +  | 
