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/* USER CODE END ET */
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/* USER CODE END ET */
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/* Exported constants --------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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/* USER CODE BEGIN EC */
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/* USER CODE BEGIN EC */
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extern  SPI_HandleTypeDef hspi1;
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extern  SPI_HandleTypeDef hspi1;
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extern  TIM_HandleTypeDef htim2; // using Timer 2 for RPM counting via PIP signal
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/* USER CODE END EC */
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/* USER CODE END EC */
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/* Exported macro ------------------------------------------------------------*/
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/* Exported macro ------------------------------------------------------------*/
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/* USER CODE BEGIN EM */
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/* USER CODE BEGIN EM */
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#define RPMTIMER 2 // define the timer
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#define AUXILIARY_HIGH {};
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#define AUXILIARY_LOW triggerSAW();
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// scale for filtered samples
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static const float Scale = 1.0;
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/* USER CODE END EM */
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/* USER CODE END EM */
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void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
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void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
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/* Exported functions prototypes ---------------------------------------------*/
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/* Exported functions prototypes ---------------------------------------------*/
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void Error_Handler(void);
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void Error_Handler(void);
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/* USER CODE BEGIN EFP */
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/* USER CODE BEGIN EFP */
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void triggerSAW(); // Generate a SAW pulse
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/* USER CODE END EFP */
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/* USER CODE END EFP */
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/* Private defines -----------------------------------------------------------*/
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/* Private defines -----------------------------------------------------------*/
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#define PIP_Pin GPIO_PIN_0
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#define PIP_Pin GPIO_PIN_0
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#define PIP_GPIO_Port GPIOA
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#define PIP_GPIO_Port GPIOA