src/main/drivers/light_led.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "platform.h"
  22
  23 #include "pg/pg_ids.h"
  24
  25 #include "drivers/io.h"
  26 #include "drivers/io_impl.h"
  27
  28 #include "light_led.h"
  29
  30 #if !(defined(UNIT_TEST) || defined(USE_VIRTUAL_LED))
  31
  32 PG_REGISTER_WITH_RESET_FN(statusLedConfig_t, statusLedConfig, PG_STATUS_LED_CONFIG, 0);
  33
  34 static IO_t leds[STATUS_LED_NUMBER];
  35 static uint8_t ledInversion = 0;
  36
  37 #ifndef LED0_PIN
  38 #define LED0_PIN NONE
  39 #endif
  40
  41 #ifndef LED1_PIN
  42 #define LED1_PIN NONE
  43 #endif
  44
  45 #ifndef LED2_PIN
  46 #define LED2_PIN NONE
  47 #endif
  48
  49 void pgResetFn_statusLedConfig(statusLedConfig_t *statusLedConfig)
  50 {
  51     statusLedConfig->ioTags[0] = IO_TAG(LED0_PIN);
  52     statusLedConfig->ioTags[1] = IO_TAG(LED1_PIN);
  53     statusLedConfig->ioTags[2] = IO_TAG(LED2_PIN);
  54
  55     statusLedConfig->inversion = 0
  56 #ifdef LED0_INVERTED
  57     | BIT(0)
  58 #endif
  59 #ifdef LED1_INVERTED
  60     | BIT(1)
  61 #endif
  62 #ifdef LED2_INVERTED
  63     | BIT(2)
  64 #endif
  65     ;
  66 }
  67
  68 void ledInit(const statusLedConfig_t *statusLedConfig)
  69 {
  70     ledInversion = statusLedConfig->inversion;
  71     for (int i = 0; i < STATUS_LED_NUMBER; i++) {
  72         if (statusLedConfig->ioTags[i]) {
  73             leds[i] = IOGetByTag(statusLedConfig->ioTags[i]);
  74             IOInit(leds[i], OWNER_LED, RESOURCE_INDEX(i));
  75             IOConfigGPIO(leds[i], IOCFG_OUT_PP);
  76         } else {
  77             leds[i] = IO_NONE;
  78         }
  79     }
  80
  81     LED0_OFF;
  82     LED1_OFF;
  83     LED2_OFF;
  84 }
  85
  86 void ledToggle(int led)
  87 {
  88     IOToggle(leds[led]);
  89 }
  90
  91 void ledSet(int led, bool on)
  92 {
  93     const bool inverted = (1 << (led)) & ledInversion;
  94     IOWrite(leds[led], on ? inverted : !inverted);
  95 }
  96 #endif