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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;
struct ao_task __xdata beep_task;
struct ao_task __xdata echo_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)
{
uint8_t b = 0;
for (;;) {
b = 1 - b;
if (b)
ao_led_on(AO_LED_GREEN);
else
ao_led_off(AO_LED_GREEN);
ao_sleep(&blink_chan);
}
}
void
blink_1(void)
{
static __xdata struct ao_adc adc;
for (;;) {
ao_sleep(&ao_adc_head);
ao_adc_get(&adc);
if (adc.accel < 15900)
ao_led_on(AO_LED_RED);
else
ao_led_off(AO_LED_RED);
}
}
void
wakeup(void)
{
for (;;) {
ao_delay(AO_MS_TO_TICKS(100));
ao_wakeup(&blink_chan);
}
}
void
beep(void)
{
static __xdata struct ao_adc adc;
for (;;) {
ao_delay(AO_SEC_TO_TICKS(1));
ao_adc_get(&adc);
if (adc.temp > 7400)
ao_beep_for(AO_BEEP_LOW, AO_MS_TO_TICKS(50));
}
}
void
echo(void)
{
char c;
for (;;) {
ao_usb_flush();
c = ao_usb_getchar();
ao_usb_putchar(c);
if (c == '\r')
ao_usb_putchar('\n');
}
}
void
main(void)
{
ao_clock_init();
ao_task_init();
// ao_add_task(&blink_0_task, blink_0);
// ao_add_task(&blink_1_task, blink_1);
// ao_add_task(&wakeup_task, wakeup);
// ao_add_task(&beep_task, beep);
ao_add_task(&echo_task, echo);
ao_timer_init();
ao_adc_init();
ao_beep_init();
ao_led_init();
ao_usb_init();
ao_start_scheduler();
}
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