/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.h
  * @brief          : Header for main.c file.
  *                   This file contains the common defines of the application.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MAIN_H
#define __MAIN_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Exported types ------------------------------------------------------------*/
/* USER CODE BEGIN ET */

/* USER CODE END ET */

/* Exported constants --------------------------------------------------------*/
/* USER CODE BEGIN EC */

/* USER CODE END EC */

/* Exported macro ------------------------------------------------------------*/
/* USER CODE BEGIN EM */

/* USER CODE END EM */

/* Exported functions prototypes ---------------------------------------------*/
void Error_Handler(void);

/* USER CODE BEGIN EFP */

/* USER CODE END EFP */

/* Private defines -----------------------------------------------------------*/
#define CURR_STEP_START_TRG_Pin GPIO_PIN_0
#define CURR_STEP_START_TRG_GPIO_Port GPIOC
#define CURR_STEP_START_TRG_EXTI_IRQn EXTI0_IRQn
#define SWEEP_CYCLE_START_TRG_Pin GPIO_PIN_3
#define SWEEP_CYCLE_START_TRG_GPIO_Port GPIOC
#define SWEEP_CYCLE_START_TRG_EXTI_IRQn EXTI3_IRQn
#define LED_RED_Pin GPIO_PIN_14
#define LED_RED_GPIO_Port GPIOB
#define LED_BLUE_Pin GPIO_PIN_7
#define LED_BLUE_GPIO_Port GPIOB

/* USER CODE BEGIN Private defines */
/* Shared ADC app types and declarations */

/* Size of circular DMA buffer for ADC1 */
#ifndef ADC_BUFF_SIZE
#define ADC_BUFF_SIZE 64
#endif

#define SYNC_DET_ON 

/* Structure describing simple accumulation state for ADC processing */
struct ADC_proc_typedef {
  uint8_t  status; /* 0 - stopped, 1 - collecting, 2 - filled */
  uint32_t sum;
  uint32_t sum_ON;
  uint32_t sum_OFF;
  uint32_t avg_ON;
  uint32_t avg_OFF;
  uint32_t N;      /* number of ON/OFF pairs accumulated */
  uint32_t N_on;   /* number of ON samples accumulated */
  uint32_t N_off;  /* number of OFF samples accumulated */
};

/* Sweep state shared between ISR and main */
struct Sweep_state_typedef {
  uint32_t curr_step_N;
  uint8_t curr_step_started_flag; //0 -- not started or waiting for; 1 -- first 1/2 DMA buff; 2 -- second 1/2 DMA buff
  uint32_t curr_step_start_DMA_N;
  uint8_t sweep_cycle_started_flag; // 0 -- not started; 1 -- started
  
};

/* Externs provided by main.c */
extern volatile struct ADC_proc_typedef ADC_proc;
extern volatile struct ADC_proc_typedef ADC_proc_shadow;
extern volatile struct Sweep_state_typedef Sweep_state;
extern volatile uint32_t curr_step_start_N;
extern uint16_t ADC1_buff_circular[ADC_BUFF_SIZE];
extern volatile uint32_t sample_seq;

/* USER CODE END Private defines */

#ifdef __cplusplus
}
#endif

#endif /* __MAIN_H */
