Diff: stm32746g_discovery_sdram.h

Revision:

0:c9112f0c67e3

diff -r 000000000000 -r c9112f0c67e3 stm32746g_discovery_sdram.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stm32746g_discovery_sdram.h	Mon Sep 28 13:34:16 2015 +0000
@@ -0,0 +1,165 @@
+/**
+  ******************************************************************************
+  * @file    stm32746g_discovery_sdram.h
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    25-June-2015
+  * @brief   This file contains the common defines and functions prototypes for
+  *          the stm32746g_discovery_sdram.c driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 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.
+  *
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32746G_DISCOVERY_SDRAM_H
+#define __STM32746G_DISCOVERY_SDRAM_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f7xx_hal.h"
+
+/** @addtogroup BSP
+  * @{
+  */ 
+
+/** @addtogroup STM32746G_DISCOVERY
+  * @{
+  */
+    
+/** @addtogroup STM32746G_DISCOVERY_SDRAM
+  * @{
+  */    
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Exported_Types STM32746G_DISCOVERY_SDRAM Exported Types
+  * @{
+  */
+
+/** 
+  * @brief  SDRAM status structure definition  
+  */     
+#define   SDRAM_OK         ((uint8_t)0x00)
+#define   SDRAM_ERROR      ((uint8_t)0x01)
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Exported_Constants STM32746G_DISCOVERY_SDRAM Exported Constants
+  * @{
+  */ 
+#define SDRAM_DEVICE_ADDR  ((uint32_t)0xC0000000)
+#define SDRAM_DEVICE_SIZE  ((uint32_t)0x800000)  /* SDRAM device size in MBytes */
+
+/* #define SDRAM_MEMORY_WIDTH            FMC_SDRAM_MEM_BUS_WIDTH_8  */
+#define SDRAM_MEMORY_WIDTH               FMC_SDRAM_MEM_BUS_WIDTH_16
+
+#define SDCLOCK_PERIOD                   FMC_SDRAM_CLOCK_PERIOD_2
+/* #define SDCLOCK_PERIOD                FMC_SDRAM_CLOCK_PERIOD_3 */   
+
+#define REFRESH_COUNT                    ((uint32_t)0x0603)   /* SDRAM refresh counter (100Mhz SD clock) */
+   
+#define SDRAM_TIMEOUT                    ((uint32_t)0xFFFF)
+
+/* DMA definitions for SDRAM DMA transfer */
+#define __DMAx_CLK_ENABLE                 __HAL_RCC_DMA2_CLK_ENABLE
+#define __DMAx_CLK_DISABLE                __HAL_RCC_DMA2_CLK_DISABLE
+#define SDRAM_DMAx_CHANNEL                DMA_CHANNEL_0
+#define SDRAM_DMAx_STREAM                 DMA2_Stream0  
+#define SDRAM_DMAx_IRQn                   DMA2_Stream0_IRQn
+#define SDRAM_DMAx_IRQHandler             DMA2_Stream0_IRQHandler  
+/**
+  * @}
+  */ 
+  
+/**
+  * @brief  FMC SDRAM Mode definition register defines
+  */
+#define SDRAM_MODEREG_BURST_LENGTH_1             ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_LENGTH_2             ((uint16_t)0x0001)
+#define SDRAM_MODEREG_BURST_LENGTH_4             ((uint16_t)0x0002)
+#define SDRAM_MODEREG_BURST_LENGTH_8             ((uint16_t)0x0004)
+#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL      ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED     ((uint16_t)0x0008)
+#define SDRAM_MODEREG_CAS_LATENCY_2              ((uint16_t)0x0020)
+#define SDRAM_MODEREG_CAS_LATENCY_3              ((uint16_t)0x0030)
+#define SDRAM_MODEREG_OPERATING_MODE_STANDARD    ((uint16_t)0x0000)
+#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000) 
+#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     ((uint16_t)0x0200) 
+/**
+  * @}
+  */ 
+  
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Exported_Macro STM32746G_DISCOVERY_SDRAM Exported Macro
+  * @{
+  */  
+/**
+  * @}
+  */ 
+   
+/** @addtogroup STM32746G_DISCOVERY_SDRAM_Exported_Functions
+  * @{
+  */  
+uint8_t BSP_SDRAM_Init(void);
+uint8_t BSP_SDRAM_DeInit(void);
+void    BSP_SDRAM_Initialization_sequence(uint32_t RefreshCount);
+uint8_t BSP_SDRAM_ReadData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_ReadData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_WriteData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_WriteData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd);
+void    BSP_SDRAM_DMA_IRQHandler(void);  
+   
+/* These functions can be modified in case the current settings (e.g. DMA stream)
+   need to be changed for specific application needs */
+void    BSP_SDRAM_MspInit(SDRAM_HandleTypeDef  *hsdram, void *Params);
+void    BSP_SDRAM_MspDeInit(SDRAM_HandleTypeDef  *hsdram, void *Params);
+
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32746G_DISCOVERY_SDRAM_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/