bluenrg_interface

Revision:
0:fb1547f2354e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stm32l0xx_hal_msp.c	Mon Nov 12 18:36:18 2018 +0000
@@ -0,0 +1,160 @@
+/**
+  ******************************************************************************
+  * @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****/