/* * Copyright © 2009 Keith Packard * * 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"); }