stm32469i_discovery_sdram.h

00001 /**
00002   ******************************************************************************
00003   * @file    stm32469i_discovery_sdram.h
00004   * @author  MCD Application Team
00005   * @brief   This file contains the common defines and functions prototypes for
00006   *          the stm32469i_discovery_sdram.c driver.
00007   ******************************************************************************
00008   * @attention
00009   *
00010   * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
00011   *
00012   * Redistribution and use in source and binary forms, with or without modification,
00013   * are permitted provided that the following conditions are met:
00014   *   1. Redistributions of source code must retain the above copyright notice,
00015   *      this list of conditions and the following disclaimer.
00016   *   2. Redistributions in binary form must reproduce the above copyright notice,
00017   *      this list of conditions and the following disclaimer in the documentation
00018   *      and/or other materials provided with the distribution.
00019   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00020   *      may be used to endorse or promote products derived from this software
00021   *      without specific prior written permission.
00022   *
00023   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00024   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00025   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00026   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00027   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00028   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00029   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00030   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00031   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00032   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033   *
00034   ******************************************************************************
00035   */
00036 
00037 /* Define to prevent recursive inclusion -------------------------------------*/
00038 #ifndef __STM32469I_DISCOVERY_SDRAM_H
00039 #define __STM32469I_DISCOVERY_SDRAM_H
00040 
00041 #ifdef __cplusplus
00042  extern "C" {
00043 #endif
00044 
00045 /* Includes ------------------------------------------------------------------*/
00046 #include "stm32f4xx_hal.h"
00047 
00048 /** @addtogroup BSP
00049   * @{
00050   */
00051 
00052 /** @addtogroup STM32469I_Discovery
00053   * @{
00054   */
00055 
00056 /** @addtogroup STM32469I-Discovery_SDRAM
00057   * @{
00058   */
00059 
00060 /** @defgroup STM32469I-Discovery_SDRAM_Exported_Types STM32469I Discovery SDRAM Exported Types
00061   * @{
00062   */
00063 
00064 /**
00065   * @brief  SDRAM status structure definition
00066   */
00067 #define   SDRAM_OK         ((uint8_t)0x00)
00068 #define   SDRAM_ERROR      ((uint8_t)0x01)
00069 
00070 /**
00071   * @}
00072   */
00073 
00074 /** @defgroup STM32469I-Discovery_SDRAM_Exported_Constants STM32469I Discovery SDRAM Exported Constants
00075   * @{
00076   */
00077 #define SDRAM_DEVICE_ADDR  ((uint32_t)0xC0000000)
00078 
00079  /* SDRAM device size in Bytes */
00080  #define SDRAM_DEVICE_SIZE  ((uint32_t)0x1000000)
00081 
00082 #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_32
00083 #define SDCLOCK_PERIOD     FMC_SDRAM_CLOCK_PERIOD_2
00084 
00085 /* SDRAM refresh counter (90 MHz SD clock) */
00086 #define REFRESH_COUNT       ((uint32_t)0x0569)
00087 #define  SDRAM_TIMEOUT      ((uint32_t)0xFFFF)
00088 
00089 /* DMA definitions for SDRAM DMA transfer */
00090 #define __DMAx_CLK_ENABLE     __HAL_RCC_DMA2_CLK_ENABLE
00091 #define __DMAx_CLK_DISABLE    __HAL_RCC_DMA2_CLK_DISABLE
00092 #define SDRAM_DMAx_CHANNEL    DMA_CHANNEL_0
00093 #define SDRAM_DMAx_STREAM     DMA2_Stream0
00094 #define SDRAM_DMAx_IRQn       DMA2_Stream0_IRQn
00095 #define SDRAM_DMAx_IRQHandler DMA2_Stream0_IRQHandler
00096 
00097 
00098 /**
00099   * @brief  FMC SDRAM Mode definition register defines
00100   */
00101 #define SDRAM_MODEREG_BURST_LENGTH_1             ((uint16_t)0x0000)
00102 #define SDRAM_MODEREG_BURST_LENGTH_2             ((uint16_t)0x0001)
00103 #define SDRAM_MODEREG_BURST_LENGTH_4             ((uint16_t)0x0002)
00104 #define SDRAM_MODEREG_BURST_LENGTH_8             ((uint16_t)0x0004)
00105 #define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL      ((uint16_t)0x0000)
00106 #define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED     ((uint16_t)0x0008)
00107 #define SDRAM_MODEREG_CAS_LATENCY_2              ((uint16_t)0x0020)
00108 #define SDRAM_MODEREG_CAS_LATENCY_3              ((uint16_t)0x0030)
00109 #define SDRAM_MODEREG_OPERATING_MODE_STANDARD    ((uint16_t)0x0000)
00110 #define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000)
00111 #define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     ((uint16_t)0x0200)
00112 /**
00113   * @}
00114   */
00115 
00116 /** @defgroup STM32469I-Discovery_SDRAM_Exported_Macro STM32469I Discovery SDRAM Exported Macro
00117   * @{
00118   */
00119 /**
00120   * @}
00121   */
00122 
00123 /** @addtogroup STM32469I_Discovery_SDRAM_Exported_Functions 
00124   * @{
00125   */
00126 uint8_t BSP_SDRAM_Init(void);
00127 uint8_t BSP_SDRAM_DeInit(void);
00128 void    BSP_SDRAM_Initialization_sequence(uint32_t RefreshCount);
00129 uint8_t BSP_SDRAM_ReadData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
00130 uint8_t BSP_SDRAM_ReadData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
00131 uint8_t BSP_SDRAM_WriteData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
00132 uint8_t BSP_SDRAM_WriteData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
00133 uint8_t BSP_SDRAM_Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd);
00134 void    BSP_SDRAM_DMA_IRQHandler(void);
00135 
00136 /* These function can be modified in case the current settings (e.g. DMA stream)
00137    need to be changed for specific application needs */
00138 void    BSP_SDRAM_MspInit(SDRAM_HandleTypeDef  *hsdram, void *Params);
00139 void    BSP_SDRAM_MspDeInit(SDRAM_HandleTypeDef  *hsdram, void *Params);
00140 
00141 /**
00142   * @}
00143   */
00144   
00145 /**
00146   * @}
00147   */
00148 
00149 /**
00150   * @}
00151   */
00152 
00153 /**
00154   * @}
00155   */
00156 
00157 /**
00158   * @}
00159   */
00160 
00161 #ifdef __cplusplus
00162 }
00163 #endif
00164 
00165 #endif /* __STM32469I_DISCOVERY_SDRAM_H */
00166 
00167 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/