Subversion Repositories shark

Rev

Rev 1154 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1126 giacomo 1
/*
2
 * Project: S.Ha.R.K.
3
 *
4
 * Coordinators:
5
 *   Giorgio Buttazzo    <giorgio@sssup.it>
6
 *   Paolo Gai           <pj@gandalf.sssup.it>
7
 *
8
 * Authors     :
9
 *   Giacomo Guidi       <giacomo@gandalf.sssup.it>
10
 *
11
 *
12
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
13
 *
14
 * http://www.sssup.it
15
 * http://retis.sssup.it
16
 * http://shark.sssup.it
17
 */
18
 
19
#include <drivers/vga.h>
20
#include <drivers/keyb.h>
21
 
22
#include <math.h>
23
#include <stdlib.h>
24
 
25
#include <kernel/log.h>
26
#include <kernel/kern.h>
27
 
1154 giacomo 28
#define WIDTH 800
29
#define HEIGHT 600
1126 giacomo 30
#define BYTES_PP 2
1154 giacomo 31
#define INITSTR G800x600x64K //SVGAlib standard mode definitions
32
#define CARD VESA //Video driver
1126 giacomo 33
 
34
unsigned char *rgb_565_buf = NULL; //RGB 16 bpp Buffer
35
unsigned char *video_buf = NULL; //Video Buffer
36
unsigned long int VMEMLONG = WIDTH * HEIGHT * BYTES_PP / 4; // Used by copy_videomem_16to16
37
unsigned long int RGB565MEM = WIDTH * HEIGHT * BYTES_PP; // Total video mem
38
 
1154 giacomo 39
unsigned long int PERIOD_REFRESH = 100000;
40
unsigned long int PERIOD_DISEGNA = 100000;
1126 giacomo 41
 
42
unsigned long int WCET_REFRESH, WCET_DISEGNA;
43
 
44
TASK refesh(void);
45
TASK disegna(void);
46
 
47
PID refresh_PID, disegna_PID;
48
 
49
static int screen(int mode)
50
{
51
 
52
  vga_modeinfo *minf;
53
 
54
  vga_setmode(mode,CARD);
55
  minf = vga_getmodeinfo(mode);
56
  if(! (minf->flags & CAPABLE_LINEAR)){
57
    vga_setmode(TEXT,CARD);
58
    printk(KERN_INFO "The mode %d is not capable of linear\n",mode);
59
    return 1;
60
  }
61
  vga_setpage(0);
62
  if(vga_setlinearaddressing() == -1) {
63
    vga_setmode(TEXT,CARD);
64
    printk(KERN_INFO "Could not set linear addressing for mode %d\n",mode);
65
    return 1;
66
  }
67
 
68
  video_buf = vga_getgraphmem();
69
  rgb_565_buf = malloc(RGB565MEM);
70
 
71
  grx_setbuffer(rgb_565_buf, WIDTH, HEIGHT);    //Init of RGBA version of grx functions
72
                                                //created to work with Mesa buffer
73
  return 0;
74
 
75
}
76
 
77
void program_end(void *arg)
78
{
79
 
80
  free(rgb_565_buf);
81
 
82
  vga_setmode(TEXT,CARD);
83
 
84
  sys_end();
85
 
86
}
87
 
88
void program_key_end(KEY_EVT *k)
89
{
90
 
91
  sys_end();
92
 
93
}
94
 
95
TASK refresh(void)
96
{
97
 
98
  while(1) {
99
 
100
    copy_videomem_16to16(rgb_565_buf, video_buf, VMEMLONG);
101
    task_endcycle();
102
 
103
  }
104
 
105
  sys_end();
106
 
107
}
108
 
109
 
110
TASK disegna(void)
111
{
112
 
113
  char text[100];
114
  TIME disegna_TIME, refresh_TIME;
115
 
116
  while(1) {
117
 
118
    jet_gettable(refresh_PID, &refresh_TIME, 1);
119
    jet_gettable(disegna_PID, &disegna_TIME, 1);
120
 
121
    sprintf(text,"Hard Task Refresh PER:%6d us EX:%6d us",(int)PERIOD_REFRESH,(int)refresh_TIME);
122
    grx_text(text,10,5,rgb16(0,0,255),0);    
123
    sprintf(text,"Hard Task Draw    PER:%6d us EX:%6d us",(int)PERIOD_DISEGNA,(int)disegna_TIME);
124
    grx_text(text,10,15,rgb16(0,0,255),0);
125
 
126
    grx_text("SVGADEMO", 10,25,rgb16(255,0,0), 0);
127
    grx_line(50,50,100,100,rgb16(0,255,0));
128
    grx_box(110,50,160,100,rgb16(0,0,255));
129
    grx_rect(170,50,220,100,rgb16(0,255,255));
130
 
131
    task_endcycle();
132
 
133
  }
134
 
135
  sys_end();
136
 
137
}
138
 
139
int main (int argc, char *argv[])
140
{
141
 
142
    HARD_TASK_MODEL ht_refresh, ht_disegna;
143
 
144
    sys_atrunlevel(program_end,NULL, RUNLEVEL_BEFORE_EXIT);
145
 
146
    clear();
147
 
1156 giacomo 148
    WCET_REFRESH =((long int) PERIOD_REFRESH * (0.45));
149
    WCET_DISEGNA =((long int) PERIOD_DISEGNA * (0.45));
1126 giacomo 150
 
151
    hard_task_default_model(ht_refresh);
152
    hard_task_def_wcet(ht_refresh,WCET_REFRESH);
153
    hard_task_def_mit(ht_refresh,PERIOD_REFRESH);
154
    hard_task_def_usemath(ht_refresh);
155
    hard_task_def_group(ht_refresh,1);
156
    hard_task_def_ctrl_jet(ht_refresh);
157
 
158
    refresh_PID = task_create("refresh", refresh, &ht_refresh, NULL);
159
    if (refresh_PID == -1) {
160
      sys_end();
161
      exit(4);
162
    }
163
 
164
    hard_task_default_model(ht_disegna);
165
    hard_task_def_mit(ht_disegna,PERIOD_DISEGNA);
166
    hard_task_def_wcet(ht_disegna,WCET_DISEGNA);
167
    hard_task_def_group(ht_disegna,1);
168
    hard_task_def_ctrl_jet(ht_disegna);
169
    hard_task_def_usemath(ht_disegna);
170
 
171
    disegna_PID = task_create("disegna", disegna, &ht_disegna, NULL);
172
    if (disegna_PID == -1) {
173
      sys_end();
174
      exit(4);
175
    }
176
 
177
    {
178
      KEY_EVT k;
179
      k.flag = ALTL_BIT;
180
      k.scan = KEY_C;
181
      k.ascii = 'c';
182
      keyb_hook(k,program_key_end);
183
    }
184
 
185
    if (screen(INITSTR)) {
186
        printk(KERN_INFO "Graphical initialization failed !!\n");
187
        sys_end();
188
    }
189
 
190
    memset(rgb_565_buf, 0, RGB565MEM);
191
 
192
    group_activate(1);
193
 
194
    return 0;
195
 
196
}