src/main/io/statusindicator.c

   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 #include <stdbool.h>
  19 #include <stdint.h>
  20
  21 #include "platform.h"
  22
  23 #include "drivers/system.h"
  24 #include "drivers/gpio.h"
  25 #include "drivers/light_led.h"
  26 #include "drivers/sound_beeper.h"
  27
  28 #include "statusindicator.h"
  29
  30 static uint32_t warningLedTimer = 0;
  31
  32 typedef enum {
  33     WARNING_LED_OFF = 0,
  34     WARNING_LED_ON,
  35     WARNING_LED_FLASH
  36 } warningLedState_e;
  37
  38 static warningLedState_e warningLedState = WARNING_LED_OFF;
  39
  40 void warningLedResetTimer(void) {
  41     uint32_t now = millis();
  42     warningLedTimer = now + 500000;
  43 }
  44
  45 void warningLedEnable(void)
  46 {
  47     warningLedState = WARNING_LED_ON;
  48 }
  49
  50 void warningLedDisable(void)
  51 {
  52     warningLedState = WARNING_LED_OFF;
  53 }
  54
  55 void warningLedFlash(void)
  56 {
  57     warningLedState = WARNING_LED_FLASH;
  58 }
  59
  60 void warningLedRefresh(void)
  61 {
  62     switch (warningLedState) {
  63         case WARNING_LED_OFF:
  64             LED0_OFF;
  65             break;
  66         case WARNING_LED_ON:
  67             LED0_ON;
  68             break;
  69         case WARNING_LED_FLASH:
  70             LED0_TOGGLE;
  71             break;
  72     }
  73
  74     uint32_t now = micros();
  75     warningLedTimer = now + 500000;
  76 }
  77
  78 void warningLedUpdate(void)
  79 {
  80     uint32_t now = micros();
  81
  82     if ((int32_t)(now - warningLedTimer) < 0) {
  83         return;
  84     }
  85
  86     warningLedRefresh();
  87 }
  88
  89