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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.
*/
#include "ao.h"
static __xdata uint16_t ao_rssi_time;
static __pdata uint16_t ao_rssi_delay;
static __pdata AO_LED_TYPE ao_rssi_led;
void
ao_rssi(void)
{
for (;;) {
while ((int16_t) (ao_time() - ao_rssi_time) > AO_SEC_TO_TICKS(3))
ao_sleep(&ao_rssi_time);
ao_led_for(ao_rssi_led, AO_MS_TO_TICKS(100));
ao_delay(ao_rssi_delay);
}
}
void
ao_rssi_set(int16_t rssi_value)
{
if (rssi_value > 0)
rssi_value = 0;
ao_rssi_delay = AO_MS_TO_TICKS((-rssi_value) * 5);
ao_rssi_time = ao_time();
ao_wakeup(&ao_rssi_time);
}
__xdata struct ao_task ao_rssi_task;
void
ao_rssi_init(AO_LED_TYPE rssi_led)
{
ao_rssi_led = rssi_led;
ao_rssi_delay = 0;
ao_add_task(&ao_rssi_task, ao_rssi, "rssi");
}
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