/* led.c */ /* Led management. {{{ * * Copyright (C) 2012 Florent Duchon * * APBTeam: * Web: http://apbteam.org/ * Email: team AT apbteam DOT org * * 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 #include "led.h" static HAL_AppTimer_t delayTimer; /* This function display a combination of led according the the given state */ void led_display_state(int state) { switch(state) { case APP_INITIAL_STATE: case APP_NETWORK_JOINING_STATE: led_on(1); led_off(2); break; case APP_NETWORK_JOINED_STATE: led_on(1); led_on(2); default: break; } } /* This function initializes the leds*/ void init_led(void) { /*D5/D6/D7 are configured in output */ DDRD = 0xF0; } /* This function activates a specific led */ void led_on(int number) { switch(number) { case 1: PORTD|=0x20; break; case 2: PORTD|=0x40; break; case 3: PORTD|=0x80; break; default: break; } } /* This function deactivates a specific led*/ void led_off(int number) { switch(number) { case 1: PORTD&=0xDF; break; case 2: PORTD&=0xBF; break; case 3: PORTD&=0x7F; break; default: break; } } /* This function inverse the state of a specific led*/ void led_inverse(int number) { switch(number) { case 1: PORTD^=0x20; break; case 2: PORTD^=0x40; break; case 3: PORTD^=0x80; break; default: break; } } /* This function enables the timer used by the network blink status led */ void led_start_blink(void) { delayTimer.interval = APP_JOINING_INDICATION_PERIOD; delayTimer.mode = TIMER_REPEAT_MODE; delayTimer.callback = led_network_status_blink_callback; HAL_StartAppTimer(&delayTimer); } /* This function disables the timer used by the network blink status led */ void led_stop_blink(void) { HAL_StopAppTimer(&delayTimer); led_on(2); } /* Led blink callback*/ void led_network_status_blink_callback(void) { led_inverse(2); }