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| Rev | Author | Line No. | Line |
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| 1163 | giacomo | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Giacomo Guidi <giacomo@gandalf.sssup.it> |
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| 10 | * |
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| 11 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 12 | * |
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| 13 | * http://www.sssup.it |
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| 14 | * http://retis.sssup.it |
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| 15 | * http://shark.sssup.it |
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| 16 | */ |
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| 17 | |||
| 18 | /* |
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| 19 | * Copyright (C) 2003 Giacomo Guidi |
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| 20 | * |
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| 21 | * This program is free software; you can redistribute it and/or modify |
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| 22 | * it under the terms of the GNU General Public License as published by |
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| 23 | * the Free Software Foundation; either version 2 of the License, or |
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| 24 | * (at your option) any later version. |
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| 25 | * |
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| 26 | * This program is distributed in the hope that it will be useful, |
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| 27 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 28 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 29 | * GNU General Public License for more details. |
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| 30 | * |
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| 31 | * You should have received a copy of the GNU General Public License |
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| 32 | * along with this program; if not, write to the Free Software |
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| 33 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 34 | */ |
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| 35 | |||
| 36 | #include "kernel/kern.h" |
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| 37 | #include <drivers/fg.h> |
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| 38 | #include <drivers/vga.h> |
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| 39 | #include <drivers/keyb.h> |
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| 40 | #include <unistd.h> |
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| 41 | #include <stdlib.h> |
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| 42 | |||
| 43 | #define WIDTH 640 |
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| 44 | #define HEIGHT 480 |
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| 45 | #define BYTES_PP 2 |
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| 46 | #define INITSTR G640x480x64K //SVGAlib standard mode definitions |
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| 47 | #define CARD VESA //Video driver |
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| 48 | |||
| 49 | unsigned char *video_buf = NULL; //Video Buffer |
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| 50 | unsigned long int VMEMLONG = WIDTH * HEIGHT * BYTES_PP / 4; // Used by copy_videomem_16to16 |
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| 51 | unsigned long int RGB565MEM = WIDTH * HEIGHT * BYTES_PP; // Total video mem |
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| 52 | |||
| 1164 | giacomo | 53 | #define FG_PERIOD 50000 |
| 54 | #define FG_WCET 30000 |
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| 55 | #define FG_W 400 |
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| 56 | #define FG_H 300 |
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| 1163 | giacomo | 57 | |
| 58 | static int screen(int mode) |
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| 59 | { |
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| 60 | |||
| 61 | vga_modeinfo *minf; |
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| 62 | |||
| 63 | vga_setmode(mode,CARD); |
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| 64 | minf = vga_getmodeinfo(mode); |
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| 65 | if(! (minf->flags & CAPABLE_LINEAR)){ |
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| 66 | vga_setmode(TEXT,CARD); |
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| 67 | printk(KERN_INFO "The mode %d is not capable of linear\n",mode); |
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| 68 | return 1; |
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| 69 | } |
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| 70 | vga_setpage(0); |
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| 71 | if(vga_setlinearaddressing() == -1) { |
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| 72 | vga_setmode(TEXT,CARD); |
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| 73 | printk(KERN_INFO "Could not set linear addressing for mode %d\n",mode); |
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| 74 | return 1; |
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| 75 | } |
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| 76 | |||
| 77 | video_buf = vga_getgraphmem(); |
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| 78 | |||
| 79 | memset(video_buf, 0, RGB565MEM); |
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| 80 | |||
| 81 | grx_setbuffer(video_buf, WIDTH, HEIGHT); //Init of RGBA version of grx functions |
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| 82 | //created to work with Mesa buffer |
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| 83 | return 0; |
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| 84 | |||
| 85 | } |
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| 86 | |||
| 87 | void program_end(void *arg) |
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| 88 | { |
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| 1164 | giacomo | 89 | |
| 90 | FG_close(); |
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| 91 | |||
| 1163 | giacomo | 92 | vga_setmode(TEXT,CARD); |
| 93 | |||
| 94 | sys_end(); |
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| 95 | |||
| 96 | } |
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| 97 | |||
| 98 | void program_key_end(KEY_EVT *k) |
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| 99 | { |
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| 100 | |||
| 101 | sys_end(); |
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| 102 | |||
| 103 | } |
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| 104 | |||
| 1164 | giacomo | 105 | void elaborate_image(void *imageptr) |
| 1163 | giacomo | 106 | { |
| 107 | |||
| 108 | WORD col,x,y; |
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| 109 | |||
| 110 | while(1) { |
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| 111 | |||
| 1164 | giacomo | 112 | for(y = 0; y < FG_H; y++) |
| 113 | for(x = 0; x < FG_W; x++) { |
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| 1163 | giacomo | 114 | |
| 1164 | giacomo | 115 | col = *(BYTE *)(imageptr + y*FG_W + x); |
| 1163 | giacomo | 116 | *(WORD *)(video_buf + y*(WIDTH*2) + x*2) = (WORD)rgb16(col,col,col); |
| 117 | |||
| 118 | } |
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| 119 | |||
| 120 | task_endcycle(); |
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| 121 | |||
| 122 | } |
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| 123 | |||
| 124 | sys_end(); |
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| 125 | |||
| 126 | } |
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| 127 | |||
| 128 | int main(int argc, char **argv) |
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| 129 | { |
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| 130 | |||
| 131 | sys_atrunlevel(program_end,NULL, RUNLEVEL_BEFORE_EXIT); |
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| 132 | |||
| 133 | { |
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| 134 | KEY_EVT k; |
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| 135 | k.flag = ALTL_BIT; |
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| 136 | k.scan = KEY_C; |
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| 137 | k.ascii = 'c'; |
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| 138 | keyb_hook(k,program_key_end); |
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| 139 | } |
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| 140 | |||
| 141 | screen(INITSTR); |
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| 142 | |||
| 1164 | giacomo | 143 | FG_init(FG_PERIOD, FG_WCET, FG_W, FG_H); |
| 1163 | giacomo | 144 | |
| 1164 | giacomo | 145 | FG_set_hook(elaborate_image); |
| 1163 | giacomo | 146 | |
| 147 | return 0; |
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| 148 | |||
| 149 | } |