X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm-vga%2Fao_demo.c;fp=src%2Fstm-vga%2Fao_demo.c;h=1b443b1fc387df62ad135b809741268e12d0f97f;hp=0000000000000000000000000000000000000000;hb=dc4bee9600be22531fd3c5bec15f712eb2e7ed2d;hpb=0eadc2d50417408beebd50e4a0e7e12430ed67ef

diff --git a/src/stm-vga/ao_demo.c b/src/stm-vga/ao_demo.c
new file mode 100644
index 00000000..1b443b1f
--- /dev/null
+++ b/src/stm-vga/ao_demo.c
@@ -0,0 +1,233 @@
+/*
+ * 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;
+}