/**
  ******************************************************************************
  * @file    SPI/SPI_FullDuplex_ComDMA/Inc/main.h
  * @author  MCD Application Team
  * @brief   Header for main.c module
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2016 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 "stm32f1xx_nucleo.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* User can use this section to tailor SPIx instance used and associated
   resources */
/* Definition for SPIx clock resources */
#define SPIx                             SPI2
#define SPIx_CLK_ENABLE()                __HAL_RCC_SPI2_CLK_ENABLE()
#define DMAx_CLK_ENABLE()                __HAL_RCC_DMA1_CLK_ENABLE()
#define SPIx_SCK_GPIO_CLK_ENABLE()       __HAL_RCC_GPIOB_CLK_ENABLE()
#define SPIx_MISO_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOB_CLK_ENABLE()
#define SPIx_MOSI_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOB_CLK_ENABLE()

/* Definition for SPIx Pins */
#define SPIx_SCK_PIN                     GPIO_PIN_13
#define SPIx_SCK_GPIO_PORT               GPIOB
#define SPIx_MISO_PIN                    GPIO_PIN_14
#define SPIx_MISO_GPIO_PORT              GPIOB
#define SPIx_MOSI_PIN                    GPIO_PIN_15
#define SPIx_MOSI_GPIO_PORT              GPIOB

/* Definition for SPIx's DMA */
#define SPIx_TX_DMA_CHANNEL              DMA1_Channel5
#define SPIx_RX_DMA_CHANNEL              DMA1_Channel4


/* Definition for SPIx's NVIC */
#define SPIx_DMA_TX_IRQn                 DMA1_Channel5_IRQn
#define SPIx_DMA_RX_IRQn                 DMA1_Channel4_IRQn

#define SPIx_DMA_TX_IRQHandler           DMA1_Channel5_IRQHandler
#define SPIx_DMA_RX_IRQHandler           DMA1_Channel4_IRQHandler

/* Size of buffer */
#define BUFFERSIZE                       (COUNTOF(aTxBuffer) - 1)

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

#endif /* __MAIN_H */