stm32_soldering_iron_controller/Drivers/generalIO/buzzer.c

/*
 * buzzer.c
 *
 *  Created on: Jan 12, 2021
 *      Author: David    Original work by Jose (PTDreamer), 2017
 */

#include "buzzer.h"
#include "iron.h"
#include "settings.h"
#include "main.h"

typedef enum {STATE_SB, STATE_LB, STATE_FB, STATE_AL_H,STATE_AL_L, STATE_IDLE} buzzer_state_type;

static buzzer_state_type buzzer_state = STATE_IDLE;
static uint32_t last_time;

static void tempReachedCall(uint16_t temp) {
  buzzer_short_beep();
}
static setTemperatureReachedCallback ironTempReachedCallback = &tempReachedCall;

void buzzer_init() {
  addSetTemperatureReachedCallback(ironTempReachedCallback);
}

void buzzer_short_beep() {
  buzzer_state = STATE_SB;
  if(systemSettings.settings.buzzerMode){
    BUZZER_ON;
  }
  last_time = HAL_GetTick();
}
void buzzer_long_beep() {
  buzzer_state = STATE_LB;
  if(systemSettings.settings.buzzerMode){
    BUZZER_ON;
  }
  last_time = HAL_GetTick();
}

void buzzer_fatal_beep() {
  buzzer_state = STATE_FB;
  if(systemSettings.settings.buzzerMode){
    BUZZER_ON;
  }
  last_time = HAL_GetTick();
}

void buzzer_alarm_start(){
  if(!systemSettings.settings.buzzerMode){ return; }
  buzzer_state = STATE_AL_H;
  if(systemSettings.settings.buzzerMode){
    BUZZER_ON;
  }
  last_time = HAL_GetTick();
}

void buzzer_alarm_stop() {
  buzzer_state = STATE_IDLE;
  BUZZER_OFF;
}

void handle_buzzer() {
  uint32_t delta = HAL_GetTick() - last_time;
  switch (buzzer_state) {

    case STATE_SB:
      if (delta > SHORT_BEEP) {
        BUZZER_OFF;
        buzzer_state = STATE_IDLE;
      }
      break;

    case STATE_LB:
      if (delta > LONG_BEEP) {
        BUZZER_OFF;
        buzzer_state = STATE_IDLE;
      }
      break;
    case STATE_FB:
      if (delta > FATAL_BEEP) {
        BUZZER_OFF;
        buzzer_state = STATE_IDLE;
      }
      break;

    case STATE_AL_H:
      if(delta > ALARM_HIGH){
          buzzer_state=STATE_AL_L;
          BUZZER_OFF;
          last_time = HAL_GetTick();
      }
      break;

    case STATE_AL_L:
      if(delta > ALARM_LOW){
        buzzer_state=STATE_AL_H;
        if(systemSettings.settings.buzzerMode){
          BUZZER_ON;
        }
        last_time = HAL_GetTick();
      }
      break;

    case STATE_IDLE:
      break;

    default:
      BUZZER_OFF;
      buzzer_state = STATE_IDLE;
      break;
  }
}