STM32Cube BSP FW for STM32F769I-Discovery
Dependents: mbed-os-example-blinky-5 DISCO-F769NI_TOUCHSCREEN_demo_custom_1 Datarecorder2 DISCO-F769NI_TOUCHSCREEN_demo ... more
stm32f769i_discovery_sdram.h
00001 /** 00002 ****************************************************************************** 00003 * @file stm32f769i_discovery_sdram.h 00004 * @author MCD Application Team 00005 * @brief This file contains the common defines and functions prototypes for 00006 * the stm32f769i_discovery_sdram.c driver. 00007 ****************************************************************************** 00008 * @attention 00009 * 00010 * <h2><center>© COPYRIGHT(c) 2016 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 __STM32F769I_DISCOVERY_SDRAM_H 00039 #define __STM32F769I_DISCOVERY_SDRAM_H 00040 00041 #ifdef __cplusplus 00042 extern "C" { 00043 #endif 00044 00045 /* Includes ------------------------------------------------------------------*/ 00046 #include "stm32f7xx_hal.h" 00047 00048 /** @addtogroup BSP 00049 * @{ 00050 */ 00051 00052 /** @addtogroup STM32F769I_DISCOVERY 00053 * @{ 00054 */ 00055 00056 /** @addtogroup STM32F769I_DISCOVERY_SDRAM 00057 * @{ 00058 */ 00059 00060 /** @defgroup STM32F769I_DISCOVERY_SDRAM_Exported_Types 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 /** @defgroup STM32F769I_DISCOVERY_SDRAM_Exported_Constants SDRAM Exported Constants 00071 * @{ 00072 */ 00073 00074 #define SDRAM_DEVICE_ADDR ((uint32_t)0xC0000000) 00075 #define SDRAM_DEVICE_SIZE ((uint32_t)0x1000000) /* SDRAM device size in MBytes */ 00076 00077 /* #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_8 */ 00078 /* #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_16 */ 00079 #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_32 00080 00081 #define SDCLOCK_PERIOD FMC_SDRAM_CLOCK_PERIOD_2 00082 /* #define SDCLOCK_PERIOD FMC_SDRAM_CLOCK_PERIOD_3 */ 00083 00084 #define REFRESH_COUNT ((uint32_t)0x0603) /* SDRAM refresh counter (100Mhz SD clock) */ 00085 00086 #define SDRAM_TIMEOUT ((uint32_t)0xFFFF) 00087 00088 /* DMA definitions for SDRAM DMA transfer */ 00089 #define __DMAx_CLK_ENABLE __HAL_RCC_DMA2_CLK_ENABLE 00090 #define __DMAx_CLK_DISABLE __HAL_RCC_DMA2_CLK_DISABLE 00091 #define SDRAM_DMAx_CHANNEL DMA_CHANNEL_0 00092 #define SDRAM_DMAx_STREAM DMA2_Stream0 00093 #define SDRAM_DMAx_IRQn DMA2_Stream0_IRQn 00094 #define BSP_SDRAM_DMA_IRQHandler DMA2_Stream0_IRQHandler 00095 /** 00096 * @} 00097 */ 00098 00099 /** 00100 * @brief FMC SDRAM Mode definition register defines 00101 */ 00102 #define SDRAM_MODEREG_BURST_LENGTH_1 ((uint16_t)0x0000) 00103 #define SDRAM_MODEREG_BURST_LENGTH_2 ((uint16_t)0x0001) 00104 #define SDRAM_MODEREG_BURST_LENGTH_4 ((uint16_t)0x0002) 00105 #define SDRAM_MODEREG_BURST_LENGTH_8 ((uint16_t)0x0004) 00106 #define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL ((uint16_t)0x0000) 00107 #define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED ((uint16_t)0x0008) 00108 #define SDRAM_MODEREG_CAS_LATENCY_2 ((uint16_t)0x0020) 00109 #define SDRAM_MODEREG_CAS_LATENCY_3 ((uint16_t)0x0030) 00110 #define SDRAM_MODEREG_OPERATING_MODE_STANDARD ((uint16_t)0x0000) 00111 #define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000) 00112 #define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE ((uint16_t)0x0200) 00113 /** 00114 * @} 00115 */ 00116 00117 /** @defgroup STM32F769I_DISCOVERY_SDRAM_Exported_Macro SDRAM Exported Macro 00118 * @{ 00119 */ 00120 /** 00121 * @} 00122 */ 00123 00124 /** @defgroup STM32F769I_DISCOVERY_SDRAM_Exported_Functions SDRAM Exported Functions 00125 * @{ 00126 */ 00127 uint8_t BSP_SDRAM_Init(void); 00128 uint8_t BSP_SDRAM_DeInit(void); 00129 void BSP_SDRAM_Initialization_sequence(uint32_t RefreshCount); 00130 uint8_t BSP_SDRAM_ReadData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); 00131 uint8_t BSP_SDRAM_ReadData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); 00132 uint8_t BSP_SDRAM_WriteData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); 00133 uint8_t BSP_SDRAM_WriteData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); 00134 uint8_t BSP_SDRAM_Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd); 00135 00136 /* These functions 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 #ifdef __cplusplus 00159 } 00160 #endif 00161 00162 #endif /* __STM32F769I_DISCOVERY_SDRAM_H */ 00163 00164 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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