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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c @ 949:c6b858f2e025 Evo_2_23 tip

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GNSS UTC in Date-Time menu: The UTC time provided by the gnss module is not shown in the date-time settings menu. If a valid time signal is available then the OSTC RTC may be set to it by selecting the UTC menu entry. The time zone has to be selected manually. This is possible using a separate edit line.
author Ideenmodellierer
date Sun, 22 Dec 2024 21:19:21 +0100
parents c78bcbd5deda
children
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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****/