/**
  ******************************************************************************
  * @file    UART/UART_TwoBoards_ComDMA/Inc/main.h 
  * @author  MCD Application Team
  * @brief   Header for main.c module
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

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

/* Includes ------------------------------------------------------------------*/
#include "stm32f3xx_hal.h"
#include "stm32f3xx_nucleo_144.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* User can use this section to tailor USARTx/UARTx instance used and associated 
   resources */
/* Definition for USARTx clock resources */
#define USARTx                           USART2
#define USARTx_CLK_ENABLE()              __HAL_RCC_USART2_CLK_ENABLE()
#define DMAx_CLK_ENABLE()                __HAL_RCC_DMA1_CLK_ENABLE()
#define USARTx_RX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOD_CLK_ENABLE()
#define USARTx_TX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOD_CLK_ENABLE()

#define USARTx_FORCE_RESET()             __HAL_RCC_USART2_FORCE_RESET()
#define USARTx_RELEASE_RESET()           __HAL_RCC_USART2_RELEASE_RESET()

/* Definition for USARTx Pins */
#define USARTx_TX_PIN                    GPIO_PIN_5
#define USARTx_TX_GPIO_PORT              GPIOD
#define USARTx_TX_AF                     GPIO_AF7_USART2
#define USARTx_RX_PIN                    GPIO_PIN_6
#define USARTx_RX_GPIO_PORT              GPIOD
#define USARTx_RX_AF                     GPIO_AF7_USART2

/* Definition for USARTx's DMA */
#define USARTx_TX_DMA_CHANNEL             DMA1_Channel7
#define USARTx_RX_DMA_CHANNEL             DMA1_Channel6


/* Definition for USARTx's NVIC */
#define USARTx_DMA_TX_IRQn                DMA1_Channel7_IRQn
#define USARTx_DMA_RX_IRQn                DMA1_Channel6_IRQn
#define USARTx_DMA_TX_IRQHandler          DMA1_Channel7_IRQHandler
#define USARTx_DMA_RX_IRQHandler          DMA1_Channel6_IRQHandler

/* Definition for USARTx's NVIC */
#define USARTx_IRQn                      USART2_IRQn
#define USARTx_IRQHandler                USART2_IRQHandler

/* Size of Trasmission 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 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/