STM32L476G_EVAL BSP User Manual: stm32l476g_eval_sd.h Source File

00001 /**
00002   ******************************************************************************
00003   * @file    stm32l476g_eval_sd.c
00004   * @author  MCD Application Team
00005   * @version $VERSION$
00006   * @date    $DATE$
00007   * @brief   This file includes the uSD card driver.
00008   ******************************************************************************
00009   * @attention
00010   *
00011   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
00012   *
00013   * Redistribution and use in source and binary forms, with or without modification,
00014   * are permitted provided that the following conditions are met:
00015   *   1. Redistributions of source code must retain the above copyright notice,
00016   *      this list of conditions and the following disclaimer.
00017   *   2. Redistributions in binary form must reproduce the above copyright notice,
00018   *      this list of conditions and the following disclaimer in the documentation
00019   *      and/or other materials provided with the distribution.
00020   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00021   *      may be used to endorse or promote products derived from this software
00022   *      without specific prior written permission.
00023   *
00024   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00025   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00026   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00028   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00029   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00030   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00031   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00032   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00033   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034   *
00035   ******************************************************************************
00036   */
00037 
00038 /* Define to prevent recursive inclusion -------------------------------------*/
00039 #ifndef __STM32L476G_EVAL_SD_H
00040 #define __STM32L476G_EVAL_SD_H
00041 
00042 #ifdef __cplusplus
00043  extern "C" {
00044 #endif
00045 
00046 /* Includes ------------------------------------------------------------------*/
00047 #include "stm32l4xx_hal.h"
00048 
00049 /** @addtogroup BSP
00050   * @{
00051   */
00052 
00053 /** @addtogroup STM32L476G_EVAL
00054   * @{
00055   */
00056 
00057 /** @addtogroup STM32L476G_EVAL_SD
00058   * @{
00059   */
00060 
00061 /* Exported types ------------------------------------------------------------*/
00062 
00063 /** @defgroup STM32L476G_EVAL_SD_Exported_Types Exported Types
00064   * @{
00065   */
00066 
00067 /** 
00068   * @brief SD Card information structure 
00069   */
00070 #define SD_CardInfo HAL_SD_CardInfoTypedef
00071    
00072 /** 
00073   * @brief  SD status structure definition  
00074   */     
00075 #define MSD_OK         0x00
00076 #define MSD_ERROR      0x01
00077 
00078 /**
00079   * @}
00080   */
00081 
00082 /* Exported constants --------------------------------------------------------*/  
00083 
00084 /** @defgroup STM32L476G_EVAL_SD_Exported_Constants  Exported Constants
00085   * @{
00086   */ 
00087 #define SD_DETECT_PIN                    GPIO_PIN_8
00088 #define SD_DETECT_GPIO_PORT              GPIOA
00089 #define __SD_DETECT_GPIO_CLK_ENABLE()    __HAL_RCC_GPIOA_CLK_ENABLE()
00090 #define SD_DETECT_IRQn                   EXTI9_5_IRQn
00091    
00092 #define SD_DATATIMEOUT           ((uint32_t)100000000)
00093     
00094 #define SD_PRESENT               ((uint8_t)0x01)
00095 #define SD_NOT_PRESENT           ((uint8_t)0x00)
00096    
00097 /* DMA definitions for SD DMA transfer */
00098 #define __DMAx_TxRx_CLK_ENABLE            __HAL_RCC_DMA2_CLK_ENABLE
00099 #define SD_DMAx_Tx_STREAM                 DMA2_Channel4  
00100 #define SD_DMAx_Rx_STREAM                 DMA2_Channel4  
00101 #define SD_DMAx_Tx_IRQn                   DMA2_Channel4_IRQn
00102 #define SD_DMAx_Rx_IRQn                   DMA2_Channel4_IRQn
00103 #define SD_DMAx_Tx_IRQHandler             DMA2_Channel4_IRQHandler
00104 #define SD_DMAx_Rx_IRQHandler             DMA2_Channel4_IRQHandler
00105 #define SD_DetectIRQHandler()             HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8)
00106 
00107 /**
00108   * @}
00109   */
00110 
00111 /* Exported functions --------------------------------------------------------*/
00112 
00113 /** @defgroup STM32L476G_EVAL_SD_Exported_Functions Exported Functions
00114   * @{
00115   */
00116 uint8_t BSP_SD_Init(void);
00117 uint8_t BSP_SD_ITConfig(void);
00118 void BSP_SD_DetectIT(void);
00119 void BSP_SD_DetectCallback(void);
00120 uint8_t BSP_SD_ReadBlocks(uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks);
00121 uint8_t BSP_SD_WriteBlocks(uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks);
00122 uint8_t BSP_SD_ReadBlocks_DMA(uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks);
00123 uint8_t BSP_SD_WriteBlocks_DMA(uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks);
00124 uint8_t BSP_SD_Erase(uint64_t StartAddr, uint64_t EndAddr);
00125 void BSP_SD_IRQHandler(void);
00126 void BSP_SD_DMA_Tx_IRQHandler(void);
00127 void BSP_SD_DMA_Rx_IRQHandler(void);
00128 HAL_SD_TransferStateTypedef BSP_SD_GetStatus(void);
00129 void BSP_SD_GetCardInfo(HAL_SD_CardInfoTypedef *CardInfo);
00130 uint8_t BSP_SD_IsDetected(void);
00131 
00132 /**
00133   * @}
00134   */
00135 
00136 /**
00137   * @}
00138   */
00139 
00140 /**
00141   * @}
00142   */
00143 
00144 /**
00145   * @}
00146   */
00147 
00148 #ifdef __cplusplus
00149 }
00150 #endif
00151 
00152 #endif /* __STM32L476G_EVAL_SD_H */
00153 
00154 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/