/**
  ******************************************************************************
  * @file    I2C/I2C_EEPROM/Inc/main.h
  * @author  MCD Application Team
  * @brief   Header for main.c module
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2017 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.
  *
  ******************************************************************************
  */

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

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
#include "stm32446e_eval.h"


/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* User can use this section to tailor I2Cx/I2Cx instance used and associated
   resources */
/* Definition for I2Cx clock resources */
#define I2Cx                             FMPI2C1
#define I2Cx_CLK_ENABLE()                __HAL_RCC_FMPI2C1_CLK_ENABLE()
#define I2Cx_DMA_CLK_ENABLE()            __HAL_RCC_DMA1_CLK_ENABLE()
#define I2Cx_SDA_GPIO_CLK_ENABLE()       __HAL_RCC_GPIOD_CLK_ENABLE()
#define I2Cx_SCL_GPIO_CLK_ENABLE()       __HAL_RCC_GPIOD_CLK_ENABLE()

#define I2Cx_FORCE_RESET()               __HAL_RCC_FMPI2C1_FORCE_RESET()
#define I2Cx_RELEASE_RESET()             __HAL_RCC_FMPI2C1_RELEASE_RESET()

/* Definition for I2Cx Pins */
#define I2Cx_SCL_PIN                    GPIO_PIN_12
#define I2Cx_SCL_GPIO_PORT              GPIOD
#define I2Cx_SCL_AF                     GPIO_AF4_FMPI2C1
#define I2Cx_SDA_PIN                    GPIO_PIN_13
#define I2Cx_SDA_GPIO_PORT              GPIOD
#define I2Cx_SDA_AF                     GPIO_AF4_FMPI2C1

/* Definition for I2Cx's DMA */
#define I2Cx_TX_DMA_CHANNEL             DMA_CHANNEL_2
#define I2Cx_RX_DMA_CHANNEL             DMA_CHANNEL_2
#define I2Cx_DMA_INSTANCE_TX            DMA1_Stream5
#define I2Cx_DMA_INSTANCE_RX            DMA1_Stream2

/* Definition for I2Cx's DMA NVIC */
#define I2Cx_DMA_TX_IRQn                DMA1_Stream5_IRQn
#define I2Cx_DMA_RX_IRQn                DMA1_Stream2_IRQn
#define I2Cx_DMA_TX_IRQHandler          DMA1_Stream5_IRQHandler
#define I2Cx_DMA_RX_IRQHandler          DMA1_Stream2_IRQHandler

/* Definition for I2Cx's NVIC */
#define I2Cx_EV_IRQn                    FMPI2C1_EV_IRQn
#define I2Cx_EV_IRQHandler              FMPI2C1_EV_IRQHandler
#define I2Cx_ER_IRQn                    FMPI2C1_ER_IRQn
#define I2Cx_ER_IRQHandler              FMPI2C1_ER_IRQHandler

/* Size of Transmission buffer */
#define TXBUFFERSIZE                      (COUNTOF(aTxBuffer) - 1)
/* Size of Reception buffer */
#define RXBUFFERSIZE                      TXBUFFERSIZE

/* Exported macro ------------------------------------------------------------*/
#define COUNTOF(__BUFFER__)   (sizeof(__BUFFER__) / sizeof(*(__BUFFER__)))
/* Exported functions ------------------------------------------------------- */

#endif /* __MAIN_H */