src/main/drivers/light_led.h

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #pragma once
  19
  20 #define LED_NUMBER 3
  21
  22 // Helpful macros
  23 #ifdef LED0
  24 # define LED0_TOGGLE              ledToggle(0)
  25 # define LED0_OFF                 ledSet(0, false)
  26 # define LED0_ON                  ledSet(0, true)
  27 #else
  28 # define LED0_TOGGLE              do {} while (0)
  29 # define LED0_OFF                 do {} while (0)
  30 # define LED0_ON                  do {} while (0)
  31 #endif
  32
  33 #ifdef LED1
  34 # define LED1_TOGGLE              ledToggle(1)
  35 # define LED1_OFF                 ledSet(1, false)
  36 # define LED1_ON                  ledSet(1, true)
  37 #else
  38 # define LED1_TOGGLE              do {} while (0)
  39 # define LED1_OFF                 do {} while (0)
  40 # define LED1_ON                  do {} while (0)
  41 #endif
  42
  43 #ifdef LED2
  44 # define LED2_TOGGLE              ledToggle(2)
  45 # define LED2_OFF                 ledSet(2, false)
  46 # define LED2_ON                  ledSet(2, true)
  47 #else
  48 # define LED2_TOGGLE              do {} while (0)
  49 # define LED2_OFF                 do {} while (0)
  50 # define LED2_ON                  do {} while (0)
  51 #endif
  52
  53 void ledInit(bool alternative_led);
  54 void ledToggle(int led);
  55 void ledSet(int led, bool state);