
/* 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) 2023 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 "stm32f1xx_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 */
extern  SPI_HandleTypeDef hspi1;
extern  TIM_HandleTypeDef htim2; // using Timer 2 for RPM counting via PIP signal 
/* USER CODE END EC */

/* Exported macro ------------------------------------------------------------*/
/* USER CODE BEGIN EM */
#define RPMTIMER 2 // define the timer
#define AUXILIARY_HIGH {};
#define AUXILIARY_LOW triggerSAW();
// scale for filtered RPM samples
static const float Scale = 1.0;
/* USER CODE END EM */

void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);

/* Exported functions prototypes ---------------------------------------------*/
void Error_Handler(void);

/* USER CODE BEGIN EFP */
void triggerSAW(); // Generate a SAW pulse 

// trigger watchdog
void watchdogWrite(); 

/* USER CODE END EFP */

/* Private defines -----------------------------------------------------------*/
#define SAW_DELAY 5
#define PIP_Pin GPIO_PIN_0
#define PIP_GPIO_Port GPIOA
#define SPI1_NSS_Pin GPIO_PIN_4
#define SPI1_NSS_GPIO_Port GPIOA
#define SPI1_RESET_Pin GPIO_PIN_6
#define SPI1_RESET_GPIO_Port GPIOA
#define SPI1_CD_Pin GPIO_PIN_0
#define SPI1_CD_GPIO_Port GPIOB
#define PUSHBUTTON_Pin GPIO_PIN_12
#define PUSHBUTTON_GPIO_Port GPIOB
#define SAW_Pin GPIO_PIN_8
#define SAW_GPIO_Port GPIOA
#define dualSpark_Pin GPIO_PIN_9
#define dualSpark_GPIO_Port GPIOA
/* USER CODE BEGIN Private defines */

/* USER CODE END Private defines */

#ifdef __cplusplus
}
#endif

#endif /* __MAIN_H */
