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STM32H743I_EVAL BSP User Manual
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stm32h743i_eval_sdram.h
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00001 /** 00002 ****************************************************************************** 00003 * @file stm32h743i_eval_sdram.h 00004 * @author MCD Application Team 00005 * @version V1.0.0 00006 * @date 21-April-2017 00007 * @brief This file contains the common defines and functions prototypes for 00008 * the stm32h743i_eval_sdram.c driver. 00009 ****************************************************************************** 00010 * @attention 00011 * 00012 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> 00013 * 00014 * Redistribution and use in source and binary forms, with or without modification, 00015 * are permitted provided that the following conditions are met: 00016 * 1. Redistributions of source code must retain the above copyright notice, 00017 * this list of conditions and the following disclaimer. 00018 * 2. Redistributions in binary form must reproduce the above copyright notice, 00019 * this list of conditions and the following disclaimer in the documentation 00020 * and/or other materials provided with the distribution. 00021 * 3. Neither the name of STMicroelectronics nor the names of its contributors 00022 * may be used to endorse or promote products derived from this software 00023 * without specific prior written permission. 00024 * 00025 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00026 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00028 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00029 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00030 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00031 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00032 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00033 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00034 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00035 * 00036 ****************************************************************************** 00037 */ 00038 00039 /* Define to prevent recursive inclusion -------------------------------------*/ 00040 #ifndef __STM32H743I_EVAL_SDRAM_H 00041 #define __STM32H743I_EVAL_SDRAM_H 00042 00043 #ifdef __cplusplus 00044 extern "C" { 00045 #endif 00046 00047 /* Includes ------------------------------------------------------------------*/ 00048 #include "stm32h7xx_hal.h" 00049 00050 /** @addtogroup BSP 00051 * @{ 00052 */ 00053 00054 /** @addtogroup STM32H743I_EVAL 00055 * @{ 00056 */ 00057 00058 /** @defgroup STM32H743I_EVAL_SDRAM SDRAM 00059 * @{ 00060 */ 00061 00062 /** @defgroup STM32H743I_EVAL_SDRAM_Exported_Types SDRAM Exported Types 00063 * @{ 00064 */ 00065 00066 /** 00067 * @brief SDRAM status structure definition 00068 */ 00069 #define SDRAM_OK ((uint8_t)0x00) 00070 #define SDRAM_ERROR ((uint8_t)0x01) 00071 00072 /** @defgroup STM32H743I_EVAL_SDRAM_Exported_Constants SDRAM Exported Constants 00073 * @{ 00074 */ 00075 #define SDRAM_DEVICE_ADDR ((uint32_t)0xD0000000) 00076 #define SDRAM_DEVICE_SIZE ((uint32_t)0x2000000) /* SDRAM device size in Bytes (32MB)*/ 00077 00078 /* #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_8 */ 00079 /* #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_16 */ 00080 #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_32 00081 00082 #define SDCLOCK_PERIOD FMC_SDRAM_CLOCK_PERIOD_2 00083 /* #define SDCLOCK_PERIOD FMC_SDRAM_CLOCK_PERIOD_3 */ 00084 00085 #define REFRESH_COUNT ((uint32_t)0x0603) /* SDRAM refresh counter (100Mhz FMC clock) */ 00086 00087 #define SDRAM_TIMEOUT ((uint32_t)0xFFFF) 00088 00089 /* DMA definitions for SDRAM DMA transfer */ 00090 #define __MDMAx_CLK_ENABLE __HAL_RCC_MDMA_CLK_ENABLE 00091 #define __MDMAx_CLK_DISABLE __HAL_RCC_MDMA_CLK_DISABLE 00092 #define SDRAM_MDMAx_CHANNEL MDMA_Channel0 00093 #define SDRAM_MDMAx_IRQn MDMA_IRQn 00094 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 STM32H743I_EVAL_SDRAM_Exported_Macro SDRAM Exported Macro 00118 * @{ 00119 */ 00120 /** 00121 * @} 00122 */ 00123 00124 /** @defgroup STM32H743I_EVAL_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 /* __STM32H743I_EVAL_SDRAM_H */ 00163 00164 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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