File content as of revision 0:fb1547f2354e:

/**
  ******************************************************************************
  * @file    stm32l0xx_hal_msp.c
  * @author  MCD Application Team
  * @version V1.5.0
  * @date    8-January-2016
  * @brief   HAL MSP module.
  *******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_nucleo_bluenrg.h"

/** @addtogroup X-CUBE-BLE1_Applications
 *  @{
 */

/** @addtogroup SensorDemo
 *  @{
 */
 
/** @defgroup STM32L0XX_HAL_MSP
 * @{
 */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/** @defgroup STM32L0XX_HAL_MSP_Private_Functions
  * @{
  */

/**
 * @brief  This function is used for low level initialization of the SPI 
 *         communication with the BlueNRG Expansion Board.
 * @param  hspi: SPI handle.
 * @retval None
 */
void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
{
  GPIO_InitTypeDef GPIO_InitStruct;
  if(hspi->Instance==BNRG_SPI_INSTANCE)
  {
    /* Enable peripherals clock */

    /* Enable GPIO Ports Clock */  
    BNRG_SPI_RESET_CLK_ENABLE();
    BNRG_SPI_SCLK_CLK_ENABLE();
    BNRG_SPI_MISO_CLK_ENABLE();
    BNRG_SPI_MOSI_CLK_ENABLE();
    BNRG_SPI_CS_CLK_ENABLE();
    BNRG_SPI_IRQ_CLK_ENABLE();

    /* Enable SPI clock */
    BNRG_SPI_CLK_ENABLE();

    /* Reset */
    GPIO_InitStruct.Pin = BNRG_SPI_RESET_PIN;
    GPIO_InitStruct.Mode = BNRG_SPI_RESET_MODE;
    GPIO_InitStruct.Pull = BNRG_SPI_RESET_PULL;
    GPIO_InitStruct.Speed = BNRG_SPI_RESET_SPEED;
    GPIO_InitStruct.Alternate = BNRG_SPI_RESET_ALTERNATE;
    HAL_GPIO_Init(BNRG_SPI_RESET_PORT, &GPIO_InitStruct);	
    HAL_GPIO_WritePin(BNRG_SPI_RESET_PORT, BNRG_SPI_RESET_PIN, GPIO_PIN_RESET);	/*Added to avoid spurious interrupt from the BlueNRG */

    /* SCLK */
    GPIO_InitStruct.Pin = BNRG_SPI_SCLK_PIN;
    GPIO_InitStruct.Mode = BNRG_SPI_SCLK_MODE;
    GPIO_InitStruct.Pull = BNRG_SPI_SCLK_PULL;
    GPIO_InitStruct.Speed = BNRG_SPI_SCLK_SPEED;
    GPIO_InitStruct.Alternate = BNRG_SPI_SCLK_ALTERNATE;
    HAL_GPIO_Init(BNRG_SPI_SCLK_PORT, &GPIO_InitStruct); 

    /* MISO */
    GPIO_InitStruct.Pin = BNRG_SPI_MISO_PIN;
    GPIO_InitStruct.Mode = BNRG_SPI_MISO_MODE;
    GPIO_InitStruct.Pull = BNRG_SPI_MISO_PULL;
    GPIO_InitStruct.Speed = BNRG_SPI_MISO_SPEED;
    GPIO_InitStruct.Alternate = BNRG_SPI_MISO_ALTERNATE;
    HAL_GPIO_Init(BNRG_SPI_MISO_PORT, &GPIO_InitStruct);

    /* MOSI */
    GPIO_InitStruct.Pin = BNRG_SPI_MOSI_PIN;
    GPIO_InitStruct.Mode = BNRG_SPI_MOSI_MODE;
    GPIO_InitStruct.Pull = BNRG_SPI_MOSI_PULL;
    GPIO_InitStruct.Speed = BNRG_SPI_MOSI_SPEED;
    GPIO_InitStruct.Alternate = BNRG_SPI_MOSI_ALTERNATE;
    HAL_GPIO_Init(BNRG_SPI_MOSI_PORT, &GPIO_InitStruct);

    /* NSS/CSN/CS */
    GPIO_InitStruct.Pin = BNRG_SPI_CS_PIN;
    GPIO_InitStruct.Mode = BNRG_SPI_CS_MODE;
    GPIO_InitStruct.Pull = BNRG_SPI_CS_PULL;
    GPIO_InitStruct.Speed = BNRG_SPI_CS_SPEED;
    GPIO_InitStruct.Alternate = BNRG_SPI_CS_ALTERNATE;
    HAL_GPIO_Init(BNRG_SPI_CS_PORT, &GPIO_InitStruct);
    HAL_GPIO_WritePin(BNRG_SPI_CS_PORT, BNRG_SPI_CS_PIN, GPIO_PIN_SET);

    /* IRQ -- INPUT */
    GPIO_InitStruct.Pin = BNRG_SPI_IRQ_PIN;
    GPIO_InitStruct.Mode = BNRG_SPI_IRQ_MODE;
    GPIO_InitStruct.Pull = BNRG_SPI_IRQ_PULL;
    GPIO_InitStruct.Speed = BNRG_SPI_IRQ_SPEED;
    GPIO_InitStruct.Alternate = BNRG_SPI_IRQ_ALTERNATE;
    HAL_GPIO_Init(BNRG_SPI_IRQ_PORT, &GPIO_InitStruct);

    /* Configure the NVIC for SPI */  
    HAL_NVIC_SetPriority(BNRG_SPI_EXTI_IRQn, 3, 0);    
    HAL_NVIC_EnableIRQ(BNRG_SPI_EXTI_IRQn);
  }
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

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