Initial AltOS import

1 files changed, 47 insertions, 0 deletions

diff --git a/ao.h b/ao.h
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index 00000000..dc2a0751
--- /dev/null
+++ b/ao.h
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+/*
+ * Copyright © 2009 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.
+ */
+
+#ifndef _AO_H_
+#define _AO_H_
+
+#include <stdint.h>
+#include <stdio.h>
+#include "cc1111.h"
+
+#define AO_STACK_START	0x11
+#define AO_STACK_END	0xfe
+#define AO_STACK_SIZE	(AO_STACK_END - AO_STACK_START + 1)
+
+struct ao_task {
+	__xdata void	*wchan;
+	uint8_t	stack[AO_STACK_SIZE];
+	uint8_t	stack_count;
+};
+
+#define AO_NUM_TASKS	10
+
+#define AO_ERROR_NO_TASK	1
+
+int ao_sleep(__xdata void *wchan);
+int ao_wakeup(__xdata void *wchan);
+void ao_add_task(__xdata struct ao_task * task, void (*start)(void));
+void ao_start_scheduler(void);
+void ao_yield(void) _naked;
+void ao_panic(uint8_t reason);
+
+#endif /* _AO_H_ */