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   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 #include <ao.h>
  20 #include <ao_exti.h>
  21 #include <ao_profile.h>
  22 #if HAS_STACK_GUARD
  23 #include <ao_mpu.h>
  24 #endif
  25 #include <ao_ps2.h>
  26 #include <ao_vga.h>
  27 #include <ao_console.h>
  28 #include <ao_sdcard.h>
  29
  30 struct ao_task ball_task;
  31
  32 #define BALL_WIDTH      5
  33 #define BALL_HEIGHT     5
  34
  35 static int      ball_x;
  36 static int      ball_y;
  37 static int      ball_dx, ball_dy;
  38
  39 uint8_t         ball_enable;
  40
  41 void
  42 ao_ball(void)
  43 {
  44         ball_dx = 1;
  45         ball_dy = 1;
  46         ball_x = 0;
  47         ball_y = 0;
  48         for (;;) {
  49                 while (!ball_enable)
  50                         ao_sleep(&ball_enable);
  51                 for (;;) {
  52                         ao_line(&ao_vga_bitmap,
  53                                 -100, -100, ball_x*2, ball_y*2,
  54                                 1, AO_XOR);
  55                         ao_text(&ao_vga_bitmap,
  56                                 ball_x, ball_y - 10,
  57                                 "Hello, Bdale!",
  58                                 1, AO_XOR);
  59                         ao_rect(&ao_vga_bitmap,
  60                                 ball_x, ball_y,
  61                                 BALL_WIDTH,
  62                                 BALL_HEIGHT,
  63                                 1,
  64                                 AO_XOR);
  65                         ao_delay(AO_MS_TO_TICKS(10));
  66                         ao_rect(&ao_vga_bitmap,
  67                                 ball_x, ball_y,
  68                                 BALL_WIDTH,
  69                                 BALL_HEIGHT,
  70                                 1,
  71                                 AO_XOR);
  72                         ao_text(&ao_vga_bitmap,
  73                                 ball_x, ball_y - 10,
  74                                 "Hello, Bdale!",
  75                                 1, AO_XOR);
  76                         ao_line(&ao_vga_bitmap,
  77                                 -100, -100, ball_x*2, ball_y*2,
  78                                 1, AO_XOR);
  79                         if (!ball_enable)
  80                                 break;
  81                         ball_x += ball_dx;
  82                         ball_y += ball_dy;
  83                         if (ball_x + BALL_WIDTH > AO_VGA_WIDTH) {
  84                                 ball_x = AO_VGA_WIDTH - BALL_WIDTH;
  85                                 ball_dx = -ball_dx;
  86                         }
  87                         if (ball_x < 0) {
  88                                 ball_x = -ball_x;
  89                                 ball_dx = -ball_dx;
  90                         }
  91                         if (ball_y + BALL_HEIGHT > AO_VGA_HEIGHT) {
  92                                 ball_y = AO_VGA_HEIGHT - BALL_HEIGHT;
  93                                 ball_dy = -ball_dy;
  94                         }
  95                         if (ball_y < 0) {
  96                                 ball_y = -ball_y;
  97                                 ball_dy = -ball_dy;
  98                         }
  99                 }
 100         }
 101 }
 102
 103 static void
 104 ao_fb_init(void)
 105 {
 106         ao_rect(&ao_vga_bitmap,
 107                 0, 0, AO_VGA_WIDTH, AO_VGA_HEIGHT,
 108                 1, AO_COPY);
 109
 110         ao_rect(&ao_vga_bitmap,
 111                 10, 10, 10, 10,
 112                 0, AO_COPY);
 113
 114         ao_rect(&ao_vga_bitmap,
 115                 AO_VGA_WIDTH - 20, 10, 10, 10,
 116                 0, AO_COPY);
 117
 118         ao_rect(&ao_vga_bitmap,
 119                 10, AO_VGA_HEIGHT - 20, 10, 10,
 120                 0, AO_COPY);
 121
 122         ao_rect(&ao_vga_bitmap,
 123                 AO_VGA_WIDTH - 20, AO_VGA_HEIGHT - 20, 10, 10,
 124                 0, AO_COPY);
 125
 126         ao_text(&ao_vga_bitmap,
 127                 20, 100,
 128                 "Hello, Bdale!",
 129                 0, AO_COPY);
 130
 131         ao_text(&ao_vga_bitmap,
 132                 1, ao_font.ascent,
 133                 "UL",
 134                 0, AO_COPY);
 135
 136         ao_text(&ao_vga_bitmap,
 137                 1, AO_VGA_HEIGHT - ao_font.descent,
 138                 "BL",
 139                 0, AO_COPY);
 140 }
 141
 142 static void
 143 ao_video_toggle(void)
 144 {
 145         ao_cmd_decimal();
 146         if (ao_cmd_lex_i)
 147                 ao_fb_init();
 148         ao_vga_enable(ao_cmd_lex_i);
 149 }
 150
 151 static void
 152 ao_ball_toggle(void)
 153 {
 154         ao_cmd_decimal();
 155         ball_enable = ao_cmd_lex_i;
 156         ao_wakeup(&ball_enable);
 157 }
 158
 159 static void
 160 ao_ps2_read_keys(void)
 161 {
 162         char    c;
 163
 164         for (;;) {
 165                 c = ao_ps2_getchar();
 166                 printf("%02x %c\n", c, ' ' <= c && c < 0x7f ? c : '.');
 167                 flush();
 168                 if (c == ' ')
 169                         break;
 170         }
 171 }
 172
 173 static void
 174 ao_console_send(void)
 175 {
 176         char    c;
 177
 178         while ((c = getchar()) != '~') {
 179                 ao_console_putchar(c);
 180                 flush();
 181         }
 182 }
 183
 184 __code struct ao_cmds ao_demo_cmds[] = {
 185         { ao_video_toggle, "V\0Toggle video" },
 186         { ao_ball_toggle, "B\0Toggle ball" },
 187         { ao_ps2_read_keys, "K\0Read keys from keyboard" },
 188         { ao_console_send, "C\0Send data to console, end with ~" },
 189         { 0, NULL }
 190 };
 191
 192 int
 193 main(void)
 194 {
 195         ao_clock_init();
 196
 197 #if HAS_STACK_GUARD
 198         ao_mpu_init();
 199 #endif
 200
 201         ao_task_init();
 202         ao_serial_init();
 203         ao_timer_init();
 204
 205         ao_spi_init();
 206         ao_dma_init();
 207         ao_exti_init();
 208
 209         ao_sdcard_init();
 210
 211         ao_ps2_init();
 212         ao_vga_init();
 213         ao_console_init();
 214
 215         ao_cmd_init();
 216
 217         ao_usb_init();
 218
 219         ao_config_init();
 220
 221         ao_add_task(&ball_task, ao_ball, "ball");
 222         ao_cmd_register(&ao_demo_cmds[0]);
 223
 224         ao_start_scheduler();
 225         return 0;
 226 }