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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c @ 899:2225c467f1e9 Evo_2_23

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Added data path and visualization for position data: The GNSS data exchange is now initialized and triggered on a cyclic basis (once a second). RTE verion has been increased because of interface change. For now only the position data is shown in a T7 surface views. The functionality may be switched on/off using the compile switch ENABLE_GNSS.
author Ideenmodellierer
date Mon, 30 Sep 2024 21:56:05 +0200
parents c78bcbd5deda
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128
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_sdram.c
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4 * @author MCD Application Team
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5 * @brief SDRAM HAL module driver.
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6 * This file provides a generic firmware to drive SDRAM memories mounted
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7 * as external device.
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8 *
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9 @verbatim
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10 ==============================================================================
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11 ##### How to use this driver #####
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12 ==============================================================================
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13 [..]
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14 This driver is a generic layered driver which contains a set of APIs used to
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15 control SDRAM memories. It uses the FMC layer functions to interface
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16 with SDRAM devices.
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17 The following sequence should be followed to configure the FMC to interface
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18 with SDRAM memories:
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19
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20 (#) Declare a SDRAM_HandleTypeDef handle structure, for example:
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21 SDRAM_HandleTypeDef hdsram
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22
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23 (++) Fill the SDRAM_HandleTypeDef handle "Init" field with the allowed
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24 values of the structure member.
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25
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26 (++) Fill the SDRAM_HandleTypeDef handle "Instance" field with a predefined
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27 base register instance for NOR or SDRAM device
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28
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29 (#) Declare a FMC_SDRAM_TimingTypeDef structure; for example:
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30 FMC_SDRAM_TimingTypeDef Timing;
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31 and fill its fields with the allowed values of the structure member.
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32
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33 (#) Initialize the SDRAM Controller by calling the function HAL_SDRAM_Init(). This function
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34 performs the following sequence:
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35
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36 (##) MSP hardware layer configuration using the function HAL_SDRAM_MspInit()
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37 (##) Control register configuration using the FMC SDRAM interface function
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38 FMC_SDRAM_Init()
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39 (##) Timing register configuration using the FMC SDRAM interface function
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40 FMC_SDRAM_Timing_Init()
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41 (##) Program the SDRAM external device by applying its initialization sequence
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42 according to the device plugged in your hardware. This step is mandatory
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43 for accessing the SDRAM device.
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44
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45 (#) At this stage you can perform read/write accesses from/to the memory connected
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46 to the SDRAM Bank. You can perform either polling or DMA transfer using the
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47 following APIs:
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48 (++) HAL_SDRAM_Read()/HAL_SDRAM_Write() for polling read/write access
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49 (++) HAL_SDRAM_Read_DMA()/HAL_SDRAM_Write_DMA() for DMA read/write transfer
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50
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51 (#) You can also control the SDRAM device by calling the control APIs HAL_SDRAM_WriteOperation_Enable()/
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52 HAL_SDRAM_WriteOperation_Disable() to respectively enable/disable the SDRAM write operation or
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53 the function HAL_SDRAM_SendCommand() to send a specified command to the SDRAM
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54 device. The command to be sent must be configured with the FMC_SDRAM_CommandTypeDef
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55 structure.
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56
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57 (#) You can continuously monitor the SDRAM device HAL state by calling the function
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58 HAL_SDRAM_GetState()
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59
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60 @endverbatim
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61 ******************************************************************************
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62 * @attention
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63 *
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64 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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65 *
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66 * Redistribution and use in source and binary forms, with or without modification,
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67 * are permitted provided that the following conditions are met:
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68 * 1. Redistributions of source code must retain the above copyright notice,
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69 * this list of conditions and the following disclaimer.
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70 * 2. Redistributions in binary form must reproduce the above copyright notice,
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71 * this list of conditions and the following disclaimer in the documentation
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72 * and/or other materials provided with the distribution.
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73 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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74 * may be used to endorse or promote products derived from this software
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75 * without specific prior written permission.
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76 *
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77 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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78 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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79 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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80 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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81 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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82 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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83 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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84 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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85 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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86 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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87 *
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88 ******************************************************************************
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89 */
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90
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91 /* Includes ------------------------------------------------------------------*/
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92 #include "stm32f4xx_hal.h"
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93
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94 /** @addtogroup STM32F4xx_HAL_Driver
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95 * @{
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96 */
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97
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98 /** @defgroup SDRAM SDRAM
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99 * @brief SDRAM driver modules
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100 * @{
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101 */
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102 #ifdef HAL_SDRAM_MODULE_ENABLED
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103 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
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104 defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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105
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106 /* Private typedef -----------------------------------------------------------*/
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107 /* Private define ------------------------------------------------------------*/
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108 /* Private macro -------------------------------------------------------------*/
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109 /* Private variables ---------------------------------------------------------*/
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110 /* Private functions ---------------------------------------------------------*/
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111 /* Exported functions --------------------------------------------------------*/
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112 /** @defgroup SDRAM_Exported_Functions SDRAM Exported Functions
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113 * @{
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114 */
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115
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116 /** @defgroup SDRAM_Exported_Functions_Group1 Initialization and de-initialization functions
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117 * @brief Initialization and Configuration functions
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118 *
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119 @verbatim
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120 ==============================================================================
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121 ##### SDRAM Initialization and de_initialization functions #####
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122 ==============================================================================
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123 [..]
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124 This section provides functions allowing to initialize/de-initialize
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125 the SDRAM memory
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126
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127 @endverbatim
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128 * @{
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129 */
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130
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131 /**
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132 * @brief Performs the SDRAM device initialization sequence.
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133 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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134 * the configuration information for SDRAM module.
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135 * @param Timing Pointer to SDRAM control timing structure
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136 * @retval HAL status
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137 */
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138 HAL_StatusTypeDef HAL_SDRAM_Init(SDRAM_HandleTypeDef *hsdram, FMC_SDRAM_TimingTypeDef *Timing)
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139 {
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140 /* Check the SDRAM handle parameter */
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141 if(hsdram == NULL)
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142 {
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143 return HAL_ERROR;
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144 }
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145
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146 if(hsdram->State == HAL_SDRAM_STATE_RESET)
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147 {
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148 /* Allocate lock resource and initialize it */
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149 hsdram->Lock = HAL_UNLOCKED;
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150 /* Initialize the low level hardware (MSP) */
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151 HAL_SDRAM_MspInit(hsdram);
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152 }
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153
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154 /* Initialize the SDRAM controller state */
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155 hsdram->State = HAL_SDRAM_STATE_BUSY;
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156
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157 /* Initialize SDRAM control Interface */
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158 FMC_SDRAM_Init(hsdram->Instance, &(hsdram->Init));
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159
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160 /* Initialize SDRAM timing Interface */
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161 FMC_SDRAM_Timing_Init(hsdram->Instance, Timing, hsdram->Init.SDBank);
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162
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163 /* Update the SDRAM controller state */
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164 hsdram->State = HAL_SDRAM_STATE_READY;
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165
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166 return HAL_OK;
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167 }
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168
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169 /**
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170 * @brief Perform the SDRAM device initialization sequence.
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171 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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172 * the configuration information for SDRAM module.
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173 * @retval HAL status
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174 */
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175 HAL_StatusTypeDef HAL_SDRAM_DeInit(SDRAM_HandleTypeDef *hsdram)
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176 {
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177 /* Initialize the low level hardware (MSP) */
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178 HAL_SDRAM_MspDeInit(hsdram);
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179
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180 /* Configure the SDRAM registers with their reset values */
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181 FMC_SDRAM_DeInit(hsdram->Instance, hsdram->Init.SDBank);
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182
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183 /* Reset the SDRAM controller state */
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184 hsdram->State = HAL_SDRAM_STATE_RESET;
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185
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186 /* Release Lock */
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187 __HAL_UNLOCK(hsdram);
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188
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189 return HAL_OK;
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190 }
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191
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192 /**
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193 * @brief SDRAM MSP Init.
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194 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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195 * the configuration information for SDRAM module.
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196 * @retval None
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197 */
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198 __weak void HAL_SDRAM_MspInit(SDRAM_HandleTypeDef *hsdram)
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199 {
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200 /* Prevent unused argument(s) compilation warning */
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201 UNUSED(hsdram);
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202 /* NOTE: This function Should not be modified, when the callback is needed,
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203 the HAL_SDRAM_MspInit could be implemented in the user file
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204 */
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205 }
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206
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207 /**
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208 * @brief SDRAM MSP DeInit.
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209 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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210 * the configuration information for SDRAM module.
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211 * @retval None
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212 */
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213 __weak void HAL_SDRAM_MspDeInit(SDRAM_HandleTypeDef *hsdram)
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214 {
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215 /* Prevent unused argument(s) compilation warning */
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216 UNUSED(hsdram);
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217 /* NOTE: This function Should not be modified, when the callback is needed,
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218 the HAL_SDRAM_MspDeInit could be implemented in the user file
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219 */
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220 }
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221
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222 /**
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223 * @brief This function handles SDRAM refresh error interrupt request.
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224 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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225 * the configuration information for SDRAM module.
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226 * @retval HAL status
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227 */
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228 void HAL_SDRAM_IRQHandler(SDRAM_HandleTypeDef *hsdram)
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229 {
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230 /* Check SDRAM interrupt Rising edge flag */
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231 if(__FMC_SDRAM_GET_FLAG(hsdram->Instance, FMC_SDRAM_FLAG_REFRESH_IT))
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232 {
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233 /* SDRAM refresh error interrupt callback */
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234 HAL_SDRAM_RefreshErrorCallback(hsdram);
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235
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236 /* Clear SDRAM refresh error interrupt pending bit */
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237 __FMC_SDRAM_CLEAR_FLAG(hsdram->Instance, FMC_SDRAM_FLAG_REFRESH_ERROR);
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238 }
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239 }
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240
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241 /**
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242 * @brief SDRAM Refresh error callback.
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243 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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244 * the configuration information for SDRAM module.
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245 * @retval None
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246 */
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247 __weak void HAL_SDRAM_RefreshErrorCallback(SDRAM_HandleTypeDef *hsdram)
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248 {
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249 /* Prevent unused argument(s) compilation warning */
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250 UNUSED(hsdram);
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251 /* NOTE: This function Should not be modified, when the callback is needed,
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252 the HAL_SDRAM_RefreshErrorCallback could be implemented in the user file
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253 */
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254 }
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255
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256 /**
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257 * @brief DMA transfer complete callback.
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258 * @param hdma pointer to a DMA_HandleTypeDef structure that contains
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259 * the configuration information for the specified DMA module.
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260 * @retval None
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261 */
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262 __weak void HAL_SDRAM_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma)
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263 {
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264 /* Prevent unused argument(s) compilation warning */
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265 UNUSED(hdma);
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266 /* NOTE: This function Should not be modified, when the callback is needed,
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267 the HAL_SDRAM_DMA_XferCpltCallback could be implemented in the user file
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268 */
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269 }
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270
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271 /**
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272 * @brief DMA transfer complete error callback.
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273 * @param hdma DMA handle
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274 * @retval None
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275 */
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276 __weak void HAL_SDRAM_DMA_XferErrorCallback(DMA_HandleTypeDef *hdma)
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277 {
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278 /* Prevent unused argument(s) compilation warning */
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279 UNUSED(hdma);
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280 /* NOTE: This function Should not be modified, when the callback is needed,
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281 the HAL_SDRAM_DMA_XferErrorCallback could be implemented in the user file
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282 */
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283 }
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284 /**
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285 * @}
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286 */
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287
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288 /** @defgroup SDRAM_Exported_Functions_Group2 Input and Output functions
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289 * @brief Input Output and memory control functions
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290 *
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291 @verbatim
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292 ==============================================================================
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293 ##### SDRAM Input and Output functions #####
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294 ==============================================================================
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295 [..]
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296 This section provides functions allowing to use and control the SDRAM memory
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297
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298 @endverbatim
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299 * @{
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300 */
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301
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302 /**
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303 * @brief Reads 8-bit data buffer from the SDRAM memory.
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304 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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305 * the configuration information for SDRAM module.
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306 * @param pAddress Pointer to read start address
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307 * @param pDstBuffer Pointer to destination buffer
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308 * @param BufferSize Size of the buffer to read from memory
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309 * @retval HAL status
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310 */
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311 HAL_StatusTypeDef HAL_SDRAM_Read_8b(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint8_t *pDstBuffer, uint32_t BufferSize)
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312 {
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313 __IO uint8_t *pSdramAddress = (uint8_t *)pAddress;
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314
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315 /* Process Locked */
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316 __HAL_LOCK(hsdram);
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317
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318 /* Check the SDRAM controller state */
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319 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
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320 {
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321 return HAL_BUSY;
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322 }
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323 else if(hsdram->State == HAL_SDRAM_STATE_PRECHARGED)
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324 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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325 return HAL_ERROR;
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326 }
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327
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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328 /* Read data from source */
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329 for(; BufferSize != 0U; BufferSize--)
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330 {
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331 *pDstBuffer = *(__IO uint8_t *)pSdramAddress;
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332 pDstBuffer++;
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333 pSdramAddress++;
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334 }
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335
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336 /* Process Unlocked */
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337 __HAL_UNLOCK(hsdram);
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338
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339 return HAL_OK;
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340 }
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341
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342 /**
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343 * @brief Writes 8-bit data buffer to SDRAM memory.
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344 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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345 * the configuration information for SDRAM module.
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346 * @param pAddress Pointer to write start address
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347 * @param pSrcBuffer Pointer to source buffer to write
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348 * @param BufferSize Size of the buffer to write to memory
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349 * @retval HAL status
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350 */
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351 HAL_StatusTypeDef HAL_SDRAM_Write_8b(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint8_t *pSrcBuffer, uint32_t BufferSize)
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352 {
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353 __IO uint8_t *pSdramAddress = (uint8_t *)pAddress;
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354 uint32_t tmp = 0U;
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355
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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356 /* Process Locked */
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357 __HAL_LOCK(hsdram);
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358
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359 /* Check the SDRAM controller state */
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360 tmp = hsdram->State;
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361
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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362 if(tmp == HAL_SDRAM_STATE_BUSY)
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363 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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364 return HAL_BUSY;
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365 }
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366 else if((tmp == HAL_SDRAM_STATE_PRECHARGED) || (tmp == HAL_SDRAM_STATE_WRITE_PROTECTED))
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367 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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368 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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369 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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370
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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371 /* Write data to memory */
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372 for(; BufferSize != 0U; BufferSize--)
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373 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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374 *(__IO uint8_t *)pSdramAddress = *pSrcBuffer;
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375 pSrcBuffer++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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376 pSdramAddress++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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377 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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378
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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379 /* Process Unlocked */
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380 __HAL_UNLOCK(hsdram);
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381
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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382 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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383 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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384
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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385 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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386 * @brief Reads 16-bit data buffer from the SDRAM memory.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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387 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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388 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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389 * @param pAddress Pointer to read start address
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390 * @param pDstBuffer Pointer to destination buffer
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391 * @param BufferSize Size of the buffer to read from memory
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392 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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393 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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394 HAL_StatusTypeDef HAL_SDRAM_Read_16b(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint16_t *pDstBuffer, uint32_t BufferSize)
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395 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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396 __IO uint16_t *pSdramAddress = (uint16_t *)pAddress;
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397
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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398 /* Process Locked */
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399 __HAL_LOCK(hsdram);
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400
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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401 /* Check the SDRAM controller state */
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402 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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403 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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404 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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405 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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406 else if(hsdram->State == HAL_SDRAM_STATE_PRECHARGED)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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407 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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408 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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409 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
410
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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411 /* Read data from source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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412 for(; BufferSize != 0U; BufferSize--)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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413 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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414 *pDstBuffer = *(__IO uint16_t *)pSdramAddress;
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415 pDstBuffer++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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416 pSdramAddress++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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417 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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418
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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419 /* Process Unlocked */
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420 __HAL_UNLOCK(hsdram);
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421
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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422 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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423 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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424
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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425 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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426 * @brief Writes 16-bit data buffer to SDRAM memory.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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427 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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428 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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429 * @param pAddress Pointer to write start address
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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430 * @param pSrcBuffer Pointer to source buffer to write
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431 * @param BufferSize Size of the buffer to write to memory
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432 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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433 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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434 HAL_StatusTypeDef HAL_SDRAM_Write_16b(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint16_t *pSrcBuffer, uint32_t BufferSize)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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435 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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436 __IO uint16_t *pSdramAddress = (uint16_t *)pAddress;
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437 uint32_t tmp = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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438
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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439 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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440 __HAL_LOCK(hsdram);
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441
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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442 /* Check the SDRAM controller state */
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443 tmp = hsdram->State;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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444
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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445 if(tmp == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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446 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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447 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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448 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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449 else if((tmp == HAL_SDRAM_STATE_PRECHARGED) || (tmp == HAL_SDRAM_STATE_WRITE_PROTECTED))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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450 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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451 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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452 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
453
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
454 /* Write data to memory */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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455 for(; BufferSize != 0U; BufferSize--)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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456 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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457 *(__IO uint16_t *)pSdramAddress = *pSrcBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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458 pSrcBuffer++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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459 pSdramAddress++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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460 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
461
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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462 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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463 __HAL_UNLOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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464
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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465 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
466 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
467
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
468 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
469 * @brief Reads 32-bit data buffer from the SDRAM memory.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
470 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
471 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
472 * @param pAddress Pointer to read start address
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
473 * @param pDstBuffer Pointer to destination buffer
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
474 * @param BufferSize Size of the buffer to read from memory
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
475 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
476 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
477 HAL_StatusTypeDef HAL_SDRAM_Read_32b(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
478 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
479 __IO uint32_t *pSdramAddress = (uint32_t *)pAddress;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
480
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
481 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
482 __HAL_LOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
483
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
484 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
485 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
486 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
487 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
488 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
489 else if(hsdram->State == HAL_SDRAM_STATE_PRECHARGED)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
490 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
491 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
492 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
493
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
494 /* Read data from source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
495 for(; BufferSize != 0U; BufferSize--)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
496 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
497 *pDstBuffer = *(__IO uint32_t *)pSdramAddress;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
498 pDstBuffer++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
499 pSdramAddress++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
500 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
501
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
502 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
503 __HAL_UNLOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
504
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
505 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
506 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
507
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
508 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
509 * @brief Writes 32-bit data buffer to SDRAM memory.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
510 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
511 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
512 * @param pAddress Pointer to write start address
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
513 * @param pSrcBuffer Pointer to source buffer to write
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
514 * @param BufferSize Size of the buffer to write to memory
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
515 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
516 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
517 HAL_StatusTypeDef HAL_SDRAM_Write_32b(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
518 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
519 __IO uint32_t *pSdramAddress = (uint32_t *)pAddress;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
520 uint32_t tmp = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
521
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
522 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
523 __HAL_LOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
524
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
525 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
526 tmp = hsdram->State;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
527
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
528 if(tmp == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
529 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
530 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
531 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
532 else if((tmp == HAL_SDRAM_STATE_PRECHARGED) || (tmp == HAL_SDRAM_STATE_WRITE_PROTECTED))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
533 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
534 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
535 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
536
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
537 /* Write data to memory */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
538 for(; BufferSize != 0U; BufferSize--)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
539 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
540 *(__IO uint32_t *)pSdramAddress = *pSrcBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
541 pSrcBuffer++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
542 pSdramAddress++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
543 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
544
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
545 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
546 __HAL_UNLOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
547
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
548 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
549 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
550
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
551 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
552 * @brief Reads a Words data from the SDRAM memory using DMA transfer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
553 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
554 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
555 * @param pAddress Pointer to read start address
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
556 * @param pDstBuffer Pointer to destination buffer
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
557 * @param BufferSize Size of the buffer to read from memory
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
558 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
559 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
560 HAL_StatusTypeDef HAL_SDRAM_Read_DMA(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
561 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
562 uint32_t tmp = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
563
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
564 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
565 __HAL_LOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
566
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
567 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
568 tmp = hsdram->State;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
569
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
570 if(tmp == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
571 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
572 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
573 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
574 else if(tmp == HAL_SDRAM_STATE_PRECHARGED)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
575 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
576 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
577 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
578
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
579 /* Configure DMA user callbacks */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
580 hsdram->hdma->XferCpltCallback = HAL_SDRAM_DMA_XferCpltCallback;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
581 hsdram->hdma->XferErrorCallback = HAL_SDRAM_DMA_XferErrorCallback;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
582
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
583 /* Enable the DMA Stream */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
584 HAL_DMA_Start_IT(hsdram->hdma, (uint32_t)pAddress, (uint32_t)pDstBuffer, (uint32_t)BufferSize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
585
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
586 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
587 __HAL_UNLOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
588
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
589 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
590 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
591
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
592 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
593 * @brief Writes a Words data buffer to SDRAM memory using DMA transfer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
594 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
595 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
596 * @param pAddress Pointer to write start address
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
597 * @param pSrcBuffer Pointer to source buffer to write
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
598 * @param BufferSize Size of the buffer to write to memory
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
599 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
600 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
601 HAL_StatusTypeDef HAL_SDRAM_Write_DMA(SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
602 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
603 uint32_t tmp = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
604
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
605 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
606 __HAL_LOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
607
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
608 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
609 tmp = hsdram->State;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
610
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
611 if(tmp == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
612 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
613 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
614 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
615 else if((tmp == HAL_SDRAM_STATE_PRECHARGED) || (tmp == HAL_SDRAM_STATE_WRITE_PROTECTED))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
616 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
617 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
618 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
619
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
620 /* Configure DMA user callbacks */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
621 hsdram->hdma->XferCpltCallback = HAL_SDRAM_DMA_XferCpltCallback;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
622 hsdram->hdma->XferErrorCallback = HAL_SDRAM_DMA_XferErrorCallback;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
623
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
624 /* Enable the DMA Stream */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
625 HAL_DMA_Start_IT(hsdram->hdma, (uint32_t)pSrcBuffer, (uint32_t)pAddress, (uint32_t)BufferSize);
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626
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
627 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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628 __HAL_UNLOCK(hsdram);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
629
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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630 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
631 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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632 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
633 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
634 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
635
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
636 /** @defgroup SDRAM_Exported_Functions_Group3 Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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637 * @brief management functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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638 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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639 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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640 ==============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
641 ##### SDRAM Control functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
642 ==============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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643 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
644 This subsection provides a set of functions allowing to control dynamically
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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645 the SDRAM interface.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
646
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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647 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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648 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
649 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
650
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
651 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
652 * @brief Enables dynamically SDRAM write protection.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
653 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
654 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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655 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
656 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
657 HAL_StatusTypeDef HAL_SDRAM_WriteProtection_Enable(SDRAM_HandleTypeDef *hsdram)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
658 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
659 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
660 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
661 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
662 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
663 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
664
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
665 /* Update the SDRAM state */
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Ideenmodellierer
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666 hsdram->State = HAL_SDRAM_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
667
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
668 /* Enable write protection */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
669 FMC_SDRAM_WriteProtection_Enable(hsdram->Instance, hsdram->Init.SDBank);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
670
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
671 /* Update the SDRAM state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
672 hsdram->State = HAL_SDRAM_STATE_WRITE_PROTECTED;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
673
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
674 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
675 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
676
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
677 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
678 * @brief Disables dynamically SDRAM write protection.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
679 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
680 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
681 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
682 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
683 HAL_StatusTypeDef HAL_SDRAM_WriteProtection_Disable(SDRAM_HandleTypeDef *hsdram)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
684 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
685 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
686 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
687 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
688 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
689 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
690
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
691 /* Update the SDRAM state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
692 hsdram->State = HAL_SDRAM_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
693
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
694 /* Disable write protection */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
695 FMC_SDRAM_WriteProtection_Disable(hsdram->Instance, hsdram->Init.SDBank);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
696
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
697 /* Update the SDRAM state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
698 hsdram->State = HAL_SDRAM_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
699
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
700 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
701 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
702
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
703 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
704 * @brief Sends Command to the SDRAM bank.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
705 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
706 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
707 * @param Command SDRAM command structure
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
708 * @param Timeout Timeout duration
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
709 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
710 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
711 HAL_StatusTypeDef HAL_SDRAM_SendCommand(SDRAM_HandleTypeDef *hsdram, FMC_SDRAM_CommandTypeDef *Command, uint32_t Timeout)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
712 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
713 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
714 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
715 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
716 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
717 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
718
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
719 /* Update the SDRAM state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
720 hsdram->State = HAL_SDRAM_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
721
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
722 /* Send SDRAM command */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
723 FMC_SDRAM_SendCommand(hsdram->Instance, Command, Timeout);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
724
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
725 /* Update the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
726 if(Command->CommandMode == FMC_SDRAM_CMD_PALL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
727 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
728 hsdram->State = HAL_SDRAM_STATE_PRECHARGED;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
729 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
730 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
731 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
732 hsdram->State = HAL_SDRAM_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
733 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
734
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
735 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
736 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
737
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
738 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
739 * @brief Programs the SDRAM Memory Refresh rate.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
740 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
741 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
742 * @param RefreshRate The SDRAM refresh rate value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
743 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
744 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
745 HAL_StatusTypeDef HAL_SDRAM_ProgramRefreshRate(SDRAM_HandleTypeDef *hsdram, uint32_t RefreshRate)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
746 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
747 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
748 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
749 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
750 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
751 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
752
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
753 /* Update the SDRAM state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
754 hsdram->State = HAL_SDRAM_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
755
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
756 /* Program the refresh rate */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
757 FMC_SDRAM_ProgramRefreshRate(hsdram->Instance ,RefreshRate);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
758
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
759 /* Update the SDRAM state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
760 hsdram->State = HAL_SDRAM_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
761
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
762 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
763 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
764
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
765 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
766 * @brief Sets the Number of consecutive SDRAM Memory auto Refresh commands.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
767 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
768 * the configuration information for SDRAM module.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
769 * @param AutoRefreshNumber The SDRAM auto Refresh number
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
770 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
771 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
772 HAL_StatusTypeDef HAL_SDRAM_SetAutoRefreshNumber(SDRAM_HandleTypeDef *hsdram, uint32_t AutoRefreshNumber)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
773 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
774 /* Check the SDRAM controller state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
775 if(hsdram->State == HAL_SDRAM_STATE_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
776 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
777 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
778 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
779
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
780 /* Update the SDRAM state */
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781 hsdram->State = HAL_SDRAM_STATE_BUSY;
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782
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783 /* Set the Auto-Refresh number */
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784 FMC_SDRAM_SetAutoRefreshNumber(hsdram->Instance ,AutoRefreshNumber);
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785
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786 /* Update the SDRAM state */
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787 hsdram->State = HAL_SDRAM_STATE_READY;
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788
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789 return HAL_OK;
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790 }
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791
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792 /**
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793 * @brief Returns the SDRAM memory current mode.
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794 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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795 * the configuration information for SDRAM module.
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796 * @retval The SDRAM memory mode.
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797 */
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798 uint32_t HAL_SDRAM_GetModeStatus(SDRAM_HandleTypeDef *hsdram)
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799 {
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800 /* Return the SDRAM memory current mode */
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801 return(FMC_SDRAM_GetModeStatus(hsdram->Instance, hsdram->Init.SDBank));
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802 }
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803
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804 /**
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805 * @}
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806 */
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807
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808 /** @defgroup SDRAM_Exported_Functions_Group4 State functions
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809 * @brief Peripheral State functions
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810 *
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811 @verbatim
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812 ==============================================================================
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813 ##### SDRAM State functions #####
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814 ==============================================================================
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815 [..]
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816 This subsection permits to get in run-time the status of the SDRAM controller
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817 and the data flow.
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818
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819 @endverbatim
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820 * @{
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821 */
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822
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823 /**
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824 * @brief Returns the SDRAM state.
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825 * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains
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826 * the configuration information for SDRAM module.
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827 * @retval HAL state
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828 */
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829 HAL_SDRAM_StateTypeDef HAL_SDRAM_GetState(SDRAM_HandleTypeDef *hsdram)
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830 {
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831 return hsdram->State;
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832 }
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833
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834 /**
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835 * @}
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836 */
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837
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838 /**
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839 * @}
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840 */
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841 #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
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842 #endif /* HAL_SDRAM_MODULE_ENABLED */
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843 /**
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844 * @}
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845 */
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846
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847 /**
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848 * @}
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849 */
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850
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851 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/