Subversion Repositories freemyipod

Rev

Rev 835 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
760 user890104 1 
//
2 
//
3 
//    Copyright 2011 user890104
4 
//
5 
//
6 
//    This file is part of emCORE.
7 
//
8 
//    emCORE is free software: you can redistribute it and/or
9 
//    modify it under the terms of the GNU General Public License as
10 
//    published by the Free Software Foundation, either version 2 of the
11 
//    License, or (at your option) any later version.
12 
//
13 
//    emCORE is distributed in the hope that it will be useful,
14 
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
15 
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16 
//    See the GNU General Public License for more details.
17 
//
18 
//    You should have received a copy of the GNU General Public License along
19 
//    with emCORE.  If not, see <http://www.gnu.org/licenses/>.
20 
//
21 
//
22 
 
23 
 
24 
#include "emcoreapp.h"
25 
 
26 
#define BALL_W 5
27 
#define BALL_H 5
28 
 
762 user890104 29 
// 24-bit FB (rgb888)
30 
#define DBPP 3
760 user890104 31 
 
835 theseven 32 
static void main(int argc, const char** argv)
760 user890104 33 
{
762 user890104 34 
    unsigned int run_cycles = 5000,
35 
    dw = lcd_get_width(),
760 user890104 36 
    dh = lcd_get_height();
37 
 
907 user890104 38 
    cprintf(3, "Display width: %d\n", dw);
39 
    cprintf(3, "Display height: %d\n", dh);
40 
 
762 user890104 41 
    unsigned int fb_size = DBPP * dw * dh;
42 
    void* fb = malloc(fb_size);
760 user890104 43 
 
44 
    if (fb == NULL)
45 
    {
46 
        panic(PANIC_KILLTHREAD, "Unable to allocate framebuffer!");
47 
    }
48 
 
49 
    unsigned int i, x = 0, y = 0,
50 
    old_x, old_y, bx, by,
51 
    size = BALL_W * BALL_H;
762 user890104 52 
    unsigned char shape[BALL_H][BALL_W][DBPP];
760 user890104 53 
    int vx = 1, vy = 1;
54 
 
762 user890104 55 
    // generate our shape
56 
    memset(&shape, 0xff, sizeof(shape));
57 
 
58 
    // skip the first and the last pixel
59 
    // then skip the ones in top-right and bottom-left
60 
    // to create a rounded square
61 
    for (i = 1; i < size - 1; ++i)
62 
    {
63 
        if (i == BALL_W - 1 || i == size - BALL_W) continue;
64 
 
65 
        memset(((void *)&shape) + i * DBPP, 0, DBPP);
66 
    }
67 
 
760 user890104 68 
    //filllcd(0, 0, dw, dh, 0xffffff); // broken on Nano 4G?
69 
    memset(fb, 0xff, fb_size);
70 
    displaylcd(0, 0, dw, dh, fb, 0, 0, dw);
71 
 
72 
    while (run_cycles > 0)
73 
    {
74 
        memset(fb, 0xff, fb_size);
75 
 
76 
        // check if we hit a wall
77 
        if ((x >= dw - BALL_W && vx > 0) || (x == 0 && vx < 0))
78 
        {
79 
            vx = -vx;
80 
        }
81 
 
82 
        if ((y >= dh - BALL_H && vy > 0) || (y == 0 && vy < 1))
83 
        {
84 
            vy = -vy;
85 
        }
86 
 
87 
        // store old x and y
88 
        // needed for redrawing later
89 
        old_x = x; old_y = y;
90 
 
91 
        x += vx; y += vy;
92 
 
762 user890104 93 
        // copy the shape to the framebuffer
94 
        for (i = 0; i < BALL_H; ++i)
760 user890104 95 
        {
762 user890104 96 
            memcpy(fb + x * DBPP + (y + i) * dw * DBPP, &shape[i], sizeof(shape[i]));
760 user890104 97 
        }
98 
 
99 
        // offset to redraw from
100 
        bx = vx > 0 ? old_x : x;
101 
        by = vy > 0 ? old_y : y;
102 
 
103 
        displaylcd(bx, by, BALL_W + ABS(vx), BALL_H + ABS(vy), fb, bx, by, dw);
104 
 
105 
        sleep(1000);
106 
 
107 
        --run_cycles;
108 
    }
109 
 
761 user890104 110 
    free(fb);
111 
 
760 user890104 112 
    cputs(3, "Application terminated\n");
113 
}
114 
 
115 
 
116 
EMCORE_APP_HEADER("Ball", main, 127)