+/*
+ * Copyright © 2010 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_bringup.h"
+
+#define nop() _asm nop _endasm;
+
+void
+delay (unsigned char n)
+{
+ unsigned char i = 0, j = 0;
+
+ n <<= 1;
+ while (--n != 0)
+ while (--j != 0)
+ while (--i != 0)
+ nop();
+}
+
+main()
+{
+ ao_init();
+ /* Set p1_0 and p1_1 to output */
+ P1DIR = 0x03;
+ P1INP = 0x00;
+ for (;;) {
+ P1 = 1;
+ delay(5);
+ P1 = 2;
+ delay(5);
+ P1 = 3;
+ delay(5);
+ P1 = 0;
+ delay(5);
+ }
+}