altos-avr: Initial OS port to AVR

This is working with output to the serial line

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/src-avr/ao_demo.c b/src-avr/ao_demo.c
new file mode 100644
index 00000000..3f25be50
--- /dev/null
+++ b/src-avr/ao_demo.c
@@ -0,0 +1,48 @@
+/*
+ * 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; version 2 of the License.
+ *
+ * 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"
+
+struct ao_task demo_task;
+
+void
+ao_demo(void)
+{
+	for (;;) {
+		ao_led_toggle(AO_LED_RED);
+		printf ("hello %d\n", ao_time());
+		ao_delay(AO_MS_TO_TICKS(200));
+	}
+}
+
+int
+main(void)
+{
+	ao_clock_init();
+
+	ao_serial_init();
+	ao_stdio_init();
+	printf ("stdio initialized\n");
+//	ao_debug_init();
+	ao_led_init(LEDS_AVAILABLE);
+	ao_timer_init();
+
+	ao_add_task(&demo_task, ao_demo, "demo");
+	/* Turn on the LED until the system is stable */
+	ao_start_scheduler();
+	return 0;
+}