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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.
*/
#include "ao.h"
struct ao_task __xdata blink_0_task;
struct ao_task __xdata blink_1_task;
struct ao_task __xdata wakeup_task;
void delay(int n) __reentrant
{
uint8_t j = 0;
while (--n)
while (--j)
ao_yield();
}
static __xdata uint8_t blink_chan;
void
blink_0(void)
{
for (;;) {
P1 ^= 1;
ao_sleep(&blink_chan);
}
}
void
blink_1(void)
{
static struct ao_adc adc;
for (;;) {
ao_sleep(&ao_adc_ring);
ao_adc_get(&adc);
if (adc.accel < 15900)
P1_1 = 1;
else
P1_1 = 0;
}
}
void
wakeup(void)
{
for (;;) {
ao_delay(10);
ao_wakeup(&blink_chan);
}
}
void
main(void)
{
CLKCON = 0;
while (!(SLEEP & SLEEP_XOSC_STB))
;
/* Set p1_1 and p1_0 to output */
P1DIR = 0x03;
ao_adc_init();
ao_timer_init();
ao_add_task(&blink_0_task, blink_0);
ao_add_task(&blink_1_task, blink_1);
ao_add_task(&wakeup_task, wakeup);
ao_start_scheduler();
}
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