+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "ao.h"
+#include <ao_exti.h>
+#include <ao_event.h>
+#include <ao_quadrature.h>
+#include <ao_button.h>
+#include <ao_boot.h>
+#include <ao_vga.h>
+#include <ao_ps2.h>
+#include <ao_console.h>
+
+struct ao_task ball_task;
+struct ao_task ps2_task;
+
+#define BALL_WIDTH 5
+#define BALL_HEIGHT 5
+
+static int ball_x;
+static int ball_y;
+static int ball_dx, ball_dy;
+
+uint8_t ball_enable;
+
+void
+ao_ball(void)
+{
+ ball_dx = 1;
+ ball_dy = 1;
+ ball_x = 0;
+ ball_y = 0;
+ for (;;) {
+ while (!ball_enable)
+ ao_sleep(&ball_enable);
+ for (;;) {
+ ao_line(&ao_vga_bitmap,
+ -100, -100, ball_x*2, ball_y*2,
+ 1, AO_XOR);
+ ao_text(&ao_vga_bitmap,
+ ball_x, ball_y - 10,
+ "Hello, Bdale!",
+ 1, AO_XOR);
+ ao_rect(&ao_vga_bitmap,
+ ball_x, ball_y,
+ BALL_WIDTH,
+ BALL_HEIGHT,
+ 1,
+ AO_XOR);
+ ao_delay(AO_MS_TO_TICKS(10));
+ ao_rect(&ao_vga_bitmap,
+ ball_x, ball_y,
+ BALL_WIDTH,
+ BALL_HEIGHT,
+ 1,
+ AO_XOR);
+ ao_text(&ao_vga_bitmap,
+ ball_x, ball_y - 10,
+ "Hello, Bdale!",
+ 1, AO_XOR);
+ ao_line(&ao_vga_bitmap,
+ -100, -100, ball_x*2, ball_y*2,
+ 1, AO_XOR);
+ if (!ball_enable)
+ break;
+ ball_x += ball_dx;
+ ball_y += ball_dy;
+ if (ball_x + BALL_WIDTH > AO_VGA_WIDTH) {
+ ball_x = AO_VGA_WIDTH - BALL_WIDTH;
+ ball_dx = -ball_dx;
+ }
+ if (ball_x < 0) {
+ ball_x = -ball_x;
+ ball_dx = -ball_dx;
+ }
+ if (ball_y + BALL_HEIGHT > AO_VGA_HEIGHT) {
+ ball_y = AO_VGA_HEIGHT - BALL_HEIGHT;
+ ball_dy = -ball_dy;
+ }
+ if (ball_y < 0) {
+ ball_y = -ball_y;
+ ball_dy = -ball_dy;
+ }
+ }
+ }
+}
+
+void
+ao_ps2(void)
+{
+ uint8_t leds = 0;
+ for (;;) {
+ uint8_t b = ao_ps2_get();
+ printf ("%02x\n", b);
+ flush();
+ if (b == 0x14) {
+ leds ^= 4;
+ ao_ps2_put(0xed);
+ if (ao_ps2_get() == 0xfa)
+ ao_ps2_put(leds);
+ }
+ }
+}
+
+static void
+ao_fb_init(void)
+{
+ ao_rect(&ao_vga_bitmap,
+ 0, 0, AO_VGA_WIDTH, AO_VGA_HEIGHT,
+ 1, AO_COPY);
+
+ ao_rect(&ao_vga_bitmap,
+ 10, 10, 10, 10,
+ 0, AO_COPY);
+
+ ao_rect(&ao_vga_bitmap,
+ AO_VGA_WIDTH - 20, 10, 10, 10,
+ 0, AO_COPY);
+
+ ao_rect(&ao_vga_bitmap,
+ 10, AO_VGA_HEIGHT - 20, 10, 10,
+ 0, AO_COPY);
+
+ ao_rect(&ao_vga_bitmap,
+ AO_VGA_WIDTH - 20, AO_VGA_HEIGHT - 20, 10, 10,
+ 0, AO_COPY);
+
+ ao_text(&ao_vga_bitmap,
+ 20, 100,
+ "Hello, Bdale!",
+ 0, AO_COPY);
+
+ ao_text(&ao_vga_bitmap,
+ 1, ao_font.ascent,
+ "UL",
+ 0, AO_COPY);
+
+ ao_text(&ao_vga_bitmap,
+ 1, AO_VGA_HEIGHT - ao_font.descent,
+ "BL",
+ 0, AO_COPY);
+}
+
+static void
+ao_video_toggle(void)
+{
+ ao_cmd_decimal();
+ if (ao_cmd_lex_i)
+ ao_fb_init();
+ ao_vga_enable(ao_cmd_lex_i);
+}
+
+static void
+ao_ball_toggle(void)
+{
+ ao_cmd_decimal();
+ ball_enable = ao_cmd_lex_i;
+ ao_wakeup(&ball_enable);
+}
+
+static void
+ao_ps2_read_keys(void)
+{
+ char c;
+
+ for (;;) {
+ c = ao_ps2_getchar();
+ printf("%02x %c\n", c, ' ' <= c && c < 0x7f ? c : '.');
+ flush();
+ if (c == ' ')
+ break;
+ }
+}
+
+static void
+ao_console_send(void)
+{
+ char c;
+
+ while ((c = getchar()) != '~') {
+ ao_console_putchar(c);
+ flush();
+ }
+}
+
+__code struct ao_cmds ao_demo_cmds[] = {
+ { ao_video_toggle, "V\0Toggle video" },
+ { ao_ball_toggle, "B\0Toggle ball" },
+ { ao_ps2_read_keys, "K\0Read keys from keyboard" },
+ { ao_console_send, "C\0Send data to console, end with ~" },
+ { 0, NULL }
+};
+
+int
+main(void)
+{
+ ao_clock_init();
+
+ ao_task_init();
+
+ ao_led_init(LEDS_AVAILABLE);
+ ao_led_on(AO_LED_GREEN);
+ ao_led_off(AO_LED_BLUE);
+ ao_timer_init();
+ ao_dma_init();
+ ao_cmd_init();
+ ao_vga_init();
+ ao_usb_init();
+ ao_exti_init();
+ ao_ps2_init();
+ ao_console_init();
+
+ ao_add_task(&ball_task, ao_ball, "ball");
+ ao_cmd_register(&ao_demo_cmds[0]);
+
+ ao_start_scheduler();
+ return 0;
+}
projects / fw / altos / blobdiff