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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; 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.
*/
#ifndef _AO_H_
#define _AO_H_
#include <stdint.h>
#include <stdio.h>
#include "cc1111.h"
#define DATA_TO_XDATA(a) ((void __xdata *) ((uint8_t) (a) | 0xff00))
#define AO_STACK_START 0x21
#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
#define ao_interrupt_disable() (EA = 0)
#define ao_interrupt_enable() (EA = 1)
/* ao_task.c */
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);
/* ao_timer.c */
volatile __data uint16_t ao_time;
void ao_timer_isr(void) interrupt 9;
void ao_timer_init(void);
uint16_t ao_time_atomic(void);
void ao_delay(uint16_t ticks);
#endif /* _AO_H_ */
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