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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 #include <ao_fat.h>
  30 #include <ao_lisp.h>
  31 #include <ao_button.h>
  32 #include <ao_event.h>
  33 #include <ao_as1107.h>
  34
  35 struct ao_task ball_task;
  36
  37 #define BALL_WIDTH      5
  38 #define BALL_HEIGHT     5
  39
  40 static int      ball_x;
  41 static int      ball_y;
  42 static int      ball_dx, ball_dy;
  43
  44 uint8_t         ball_enable;
  45
  46 void
  47 ao_ball(void)
  48 {
  49         ball_dx = 1;
  50         ball_dy = 1;
  51         ball_x = 0;
  52         ball_y = 0;
  53         for (;;) {
  54                 while (!ball_enable)
  55                         ao_sleep(&ball_enable);
  56                 for (;;) {
  57                         ao_line(&ao_vga_bitmap,
  58                                 -100, -100, ball_x*2, ball_y*2,
  59                                 1, AO_XOR);
  60                         ao_text(&ao_vga_bitmap,
  61                                 ball_x, ball_y - 10,
  62                                 "Hello, Bdale!",
  63                                 1, AO_XOR);
  64                         ao_rect(&ao_vga_bitmap,
  65                                 ball_x, ball_y,
  66                                 BALL_WIDTH,
  67                                 BALL_HEIGHT,
  68                                 1,
  69                                 AO_XOR);
  70                         ao_delay(AO_MS_TO_TICKS(10));
  71                         ao_rect(&ao_vga_bitmap,
  72                                 ball_x, ball_y,
  73                                 BALL_WIDTH,
  74                                 BALL_HEIGHT,
  75                                 1,
  76                                 AO_XOR);
  77                         ao_text(&ao_vga_bitmap,
  78                                 ball_x, ball_y - 10,
  79                                 "Hello, Bdale!",
  80                                 1, AO_XOR);
  81                         ao_line(&ao_vga_bitmap,
  82                                 -100, -100, ball_x*2, ball_y*2,
  83                                 1, AO_XOR);
  84                         if (!ball_enable)
  85                                 break;
  86                         ball_x += ball_dx;
  87                         ball_y += ball_dy;
  88                         if (ball_x + BALL_WIDTH > AO_VGA_WIDTH) {
  89                                 ball_x = AO_VGA_WIDTH - BALL_WIDTH;
  90                                 ball_dx = -ball_dx;
  91                         }
  92                         if (ball_x < 0) {
  93                                 ball_x = -ball_x;
  94                                 ball_dx = -ball_dx;
  95                         }
  96                         if (ball_y + BALL_HEIGHT > AO_VGA_HEIGHT) {
  97                                 ball_y = AO_VGA_HEIGHT - BALL_HEIGHT;
  98                                 ball_dy = -ball_dy;
  99                         }
 100                         if (ball_y < 0) {
 101                                 ball_y = -ball_y;
 102                                 ball_dy = -ball_dy;
 103                         }
 104                 }
 105         }
 106 }
 107
 108 static void
 109 ao_fb_init(void)
 110 {
 111         ao_rect(&ao_vga_bitmap,
 112                 0, 0, AO_VGA_WIDTH, AO_VGA_HEIGHT,
 113                 1, AO_COPY);
 114
 115         ao_rect(&ao_vga_bitmap,
 116                 10, 10, 10, 10,
 117                 0, AO_COPY);
 118
 119         ao_rect(&ao_vga_bitmap,
 120                 AO_VGA_WIDTH - 20, 10, 10, 10,
 121                 0, AO_COPY);
 122
 123         ao_rect(&ao_vga_bitmap,
 124                 10, AO_VGA_HEIGHT - 20, 10, 10,
 125                 0, AO_COPY);
 126
 127         ao_rect(&ao_vga_bitmap,
 128                 AO_VGA_WIDTH - 20, AO_VGA_HEIGHT - 20, 10, 10,
 129                 0, AO_COPY);
 130
 131         ao_text(&ao_vga_bitmap,
 132                 20, 100,
 133                 "Hello, Bdale!",
 134                 0, AO_COPY);
 135
 136         ao_text(&ao_vga_bitmap,
 137                 1, ao_font.ascent,
 138                 "UL",
 139                 0, AO_COPY);
 140
 141         ao_text(&ao_vga_bitmap,
 142                 1, AO_VGA_HEIGHT - ao_font.descent,
 143                 "BL",
 144                 0, AO_COPY);
 145 }
 146
 147 static void
 148 ao_video_toggle(void)
 149 {
 150         ao_cmd_decimal();
 151         if (ao_cmd_lex_i)
 152                 ao_fb_init();
 153         ao_vga_enable(ao_cmd_lex_i);
 154 }
 155
 156 static void
 157 ao_ball_toggle(void)
 158 {
 159         ao_cmd_decimal();
 160         ball_enable = ao_cmd_lex_i;
 161         ao_wakeup(&ball_enable);
 162 }
 163
 164 static void
 165 ao_ps2_read_keys(void)
 166 {
 167         char    c;
 168
 169         for (;;) {
 170                 c = ao_ps2_getchar();
 171                 printf("%02x %c\n", c, ' ' <= c && c < 0x7f ? c : '.');
 172                 flush();
 173                 if (c == ' ')
 174                         break;
 175         }
 176 }
 177
 178 static void
 179 ao_console_send(void)
 180 {
 181         char    c;
 182
 183         while ((c = getchar()) != '~') {
 184                 ao_console_putchar(c);
 185                 flush();
 186         }
 187 }
 188
 189 static void lisp_cmd() {
 190         ao_lisp_read_eval_print();
 191 }
 192
 193 static void
 194 ao_serial_blather(void)
 195 {
 196         char c;
 197
 198         while ((c = getchar()) != '~') {
 199                 ao_serial1_putchar(c);
 200                 ao_serial2_putchar(c);
 201         }
 202 }
 203
 204 static void
 205 led_cmd(void)
 206 {
 207         uint8_t start;
 208         uint8_t value;
 209         ao_cmd_decimal();
 210
 211         start = ao_cmd_lex_i;
 212         ao_cmd_hex();
 213         value = ao_cmd_lex_i;
 214         if (ao_cmd_status != ao_cmd_success)
 215                 return;
 216         ao_as1107_write_8(start, value);
 217 }
 218
 219 __code struct ao_cmds ao_demo_cmds[] = {
 220         { ao_video_toggle, "V\0Toggle video" },
 221         { ao_ball_toggle, "B\0Toggle ball" },
 222         { ao_ps2_read_keys, "K\0Read keys from keyboard" },
 223         { ao_console_send, "C\0Send data to console, end with ~" },
 224         { ao_serial_blather, "S\0Blather on serial ports briefly" },
 225         { lisp_cmd, "l\0Run lisp interpreter" },
 226         { led_cmd, "L start value\0Show value (byte) at digit start" },
 227         { 0, NULL }
 228 };
 229
 230 static struct ao_task event_task;
 231
 232 static void
 233 ao_event_loop(void)
 234 {
 235         for (;;) {
 236                 struct ao_event ev;
 237
 238                 ao_event_get(&ev);
 239                 printf("type %d uint %d tick %d value %d\n",
 240                        ev.type, ev.unit, ev.tick, ev.value);
 241                 flush();
 242         }
 243 }
 244
 245 int
 246 main(void)
 247 {
 248         ao_clock_init();
 249
 250 #if HAS_STACK_GUARD
 251         ao_mpu_init();
 252 #endif
 253
 254         ao_task_init();
 255         ao_serial_init();
 256         ao_timer_init();
 257
 258         ao_spi_init();
 259         ao_dma_init();
 260         ao_exti_init();
 261
 262         ao_sdcard_init();
 263         ao_fat_init();
 264
 265         ao_ps2_init();
 266         ao_vga_init();
 267         ao_console_init();
 268
 269         ao_cmd_init();
 270
 271         ao_usb_init();
 272
 273         ao_button_init();
 274
 275         ao_as1107_init();
 276
 277         ao_config_init();
 278
 279         ao_add_task(&ball_task, ao_ball, "ball");
 280         ao_add_task(&event_task, ao_event_loop, "events");
 281         ao_cmd_register(&ao_demo_cmds[0]);
 282
 283         ao_start_scheduler();
 284         return 0;
 285 }