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/*
* 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.
*/
#ifndef _AO_ARCH_H_
#define _AO_ARCH_H_
#include <stdio.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/sleep.h>
#define F_CPU 8000000UL // 8 MHz
/*
* AVR definitions and code fragments for AltOS
*/
#define AO_STACK_SIZE 116
#define AO_PORT_TYPE uint8_t
/* Various definitions to make GCC look more like SDCC */
#define ao_arch_naked_declare __attribute__((naked))
#define ao_arch_naked_define
#define __pdata
#define __data
#define __xdata
#define __code const
#define __reentrant
#define __critical
#define __interrupt(n)
#define __at(n)
#define ao_arch_reboot() /* XXX */
#define ao_arch_nop() asm("nop")
#define ao_arch_interrupt(n) /* nothing */
#undef putchar
#undef getchar
#define putchar(c) ao_putchar(c)
#define getchar ao_getchar
#define ao_arch_wait_interrupt() do { \
sleep_enable(); \
sei(); \
sleep_cpu(); \
sleep_disable(); \
} while (0)
#define ao_arch_critical(b) do { cli(); do { b } while (0); sei(); } while (0)
#define ao_arch_block_interrupts() cli()
#define ao_arch_release_interrupts() sei()
#define ao_mutex_get(m)
#define ao_mutex_put(m)
void
ao_delay_until(uint16_t target);
/* We can't hit 100 Hz, but we can hit 125 */
#define AO_HERTZ 125
void
ao_eeprom_read(uint16_t addr, void *buf, uint16_t len);
void
ao_eeprom_write(uint16_t addr, void *buf, uint16_t len);
#endif /* _AO_ARCH_H_ */
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