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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c @ 538:b1eee27cd02b

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BugFix firmware downgrade to version with less settings: If a downgrade to a firmware version using less setting parameter were done then the settings had been reset to the default values. Root cause was that only increased number of settings was accepted by the read function. Because the layout of the setting structure is fixed (only bytes attached, no change in the order of data values) a downgrade just discarding the no longer used settings is possible => Updated read function to handle reduction of setting parameters.
author Ideenmodellierer
date Sat, 10 Oct 2020 13:51:44 +0200
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_flash.c
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4 * @author MCD Application Team
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5 * @brief FLASH HAL module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of the internal FLASH memory:
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8 * + Program operations functions
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9 * + Memory Control functions
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10 * + Peripheral Errors functions
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11 *
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12 @verbatim
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13 ==============================================================================
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14 ##### FLASH peripheral features #####
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15 ==============================================================================
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16
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17 [..] The Flash memory interface manages CPU AHB I-Code and D-Code accesses
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18 to the Flash memory. It implements the erase and program Flash memory operations
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19 and the read and write protection mechanisms.
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20
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21 [..] The Flash memory interface accelerates code execution with a system of instruction
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22 prefetch and cache lines.
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23
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24 [..] The FLASH main features are:
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25 (+) Flash memory read operations
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26 (+) Flash memory program/erase operations
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27 (+) Read / write protections
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28 (+) Prefetch on I-Code
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29 (+) 64 cache lines of 128 bits on I-Code
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30 (+) 8 cache lines of 128 bits on D-Code
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31
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32
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33 ##### How to use this driver #####
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34 ==============================================================================
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35 [..]
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36 This driver provides functions and macros to configure and program the FLASH
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37 memory of all STM32F4xx devices.
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38
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39 (#) FLASH Memory IO Programming functions:
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40 (++) Lock and Unlock the FLASH interface using HAL_FLASH_Unlock() and
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41 HAL_FLASH_Lock() functions
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42 (++) Program functions: byte, half word, word and double word
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43 (++) There Two modes of programming :
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44 (+++) Polling mode using HAL_FLASH_Program() function
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45 (+++) Interrupt mode using HAL_FLASH_Program_IT() function
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46
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47 (#) Interrupts and flags management functions :
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48 (++) Handle FLASH interrupts by calling HAL_FLASH_IRQHandler()
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49 (++) Wait for last FLASH operation according to its status
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50 (++) Get error flag status by calling HAL_SetErrorCode()
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51
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52 [..]
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53 In addition to these functions, this driver includes a set of macros allowing
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54 to handle the following operations:
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55 (+) Set the latency
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56 (+) Enable/Disable the prefetch buffer
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57 (+) Enable/Disable the Instruction cache and the Data cache
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58 (+) Reset the Instruction cache and the Data cache
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59 (+) Enable/Disable the FLASH interrupts
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60 (+) Monitor the FLASH flags status
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61
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62 @endverbatim
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63 ******************************************************************************
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64 * @attention
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65 *
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66 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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67 *
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68 * Redistribution and use in source and binary forms, with or without modification,
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69 * are permitted provided that the following conditions are met:
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70 * 1. Redistributions of source code must retain the above copyright notice,
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71 * this list of conditions and the following disclaimer.
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72 * 2. Redistributions in binary form must reproduce the above copyright notice,
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73 * this list of conditions and the following disclaimer in the documentation
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74 * and/or other materials provided with the distribution.
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75 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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76 * may be used to endorse or promote products derived from this software
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77 * without specific prior written permission.
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78 *
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79 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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80 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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81 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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82 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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83 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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84 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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85 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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86 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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87 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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88 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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89 *
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90 ******************************************************************************
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91 */
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92
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93 /* Includes ------------------------------------------------------------------*/
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94 #include "stm32f4xx_hal.h"
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95
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96 /** @addtogroup STM32F4xx_HAL_Driver
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97 * @{
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98 */
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99
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100 /** @defgroup FLASH FLASH
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101 * @brief FLASH HAL module driver
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102 * @{
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103 */
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104
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105 #ifdef HAL_FLASH_MODULE_ENABLED
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106
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107 /* Private typedef -----------------------------------------------------------*/
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108 /* Private define ------------------------------------------------------------*/
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109 /** @addtogroup FLASH_Private_Constants
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110 * @{
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111 */
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112 #define FLASH_TIMEOUT_VALUE 50000U /* 50 s */
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113 /**
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114 * @}
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115 */
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116 /* Private macro -------------------------------------------------------------*/
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117 /* Private variables ---------------------------------------------------------*/
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118 /** @addtogroup FLASH_Private_Variables
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119 * @{
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120 */
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121 /* Variable used for Erase sectors under interruption */
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122 FLASH_ProcessTypeDef pFlash;
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123 /**
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124 * @}
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125 */
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126
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127 /* Private function prototypes -----------------------------------------------*/
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128 /** @addtogroup FLASH_Private_Functions
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129 * @{
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130 */
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131 /* Program operations */
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132 static void FLASH_Program_DoubleWord(uint32_t Address, uint64_t Data);
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133 static void FLASH_Program_Word(uint32_t Address, uint32_t Data);
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134 static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data);
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135 static void FLASH_Program_Byte(uint32_t Address, uint8_t Data);
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136 static void FLASH_SetErrorCode(void);
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137
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138 HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout);
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139 /**
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140 * @}
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141 */
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142
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143 /* Exported functions --------------------------------------------------------*/
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144 /** @defgroup FLASH_Exported_Functions FLASH Exported Functions
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145 * @{
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146 */
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147
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148 /** @defgroup FLASH_Exported_Functions_Group1 Programming operation functions
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149 * @brief Programming operation functions
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150 *
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151 @verbatim
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152 ===============================================================================
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153 ##### Programming operation functions #####
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154 ===============================================================================
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155 [..]
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156 This subsection provides a set of functions allowing to manage the FLASH
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157 program operations.
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158
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159 @endverbatim
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160 * @{
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161 */
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162
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163 /**
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164 * @brief Program byte, halfword, word or double word at a specified address
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165 * @param TypeProgram Indicate the way to program at a specified address.
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166 * This parameter can be a value of @ref FLASH_Type_Program
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167 * @param Address specifies the address to be programmed.
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168 * @param Data specifies the data to be programmed
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169 *
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170 * @retval HAL_StatusTypeDef HAL Status
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171 */
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172 HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data)
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173 {
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174 HAL_StatusTypeDef status = HAL_ERROR;
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175
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176 /* Process Locked */
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177 __HAL_LOCK(&pFlash);
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178
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179 /* Check the parameters */
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180 assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram));
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181
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182 /* Wait for last operation to be completed */
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183 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
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184
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185 if(status == HAL_OK)
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186 {
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187 if(TypeProgram == FLASH_TYPEPROGRAM_BYTE)
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188 {
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189 /*Program byte (8-bit) at a specified address.*/
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190 FLASH_Program_Byte(Address, (uint8_t) Data);
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191 }
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192 else if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD)
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193 {
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194 /*Program halfword (16-bit) at a specified address.*/
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195 FLASH_Program_HalfWord(Address, (uint16_t) Data);
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196 }
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197 else if(TypeProgram == FLASH_TYPEPROGRAM_WORD)
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198 {
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199 /*Program word (32-bit) at a specified address.*/
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200 FLASH_Program_Word(Address, (uint32_t) Data);
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201 }
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202 else
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203 {
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204 /*Program double word (64-bit) at a specified address.*/
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205 FLASH_Program_DoubleWord(Address, Data);
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206 }
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207
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208 /* Wait for last operation to be completed */
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209 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
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210
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211 /* If the program operation is completed, disable the PG Bit */
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212 FLASH->CR &= (~FLASH_CR_PG);
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213 }
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214
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215 /* Process Unlocked */
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216 __HAL_UNLOCK(&pFlash);
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217
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218 return status;
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219 }
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220
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221 /**
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222 * @brief Program byte, halfword, word or double word at a specified address with interrupt enabled.
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223 * @param TypeProgram Indicate the way to program at a specified address.
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224 * This parameter can be a value of @ref FLASH_Type_Program
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225 * @param Address specifies the address to be programmed.
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226 * @param Data specifies the data to be programmed
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227 *
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228 * @retval HAL Status
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229 */
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230 HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data)
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231 {
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232 HAL_StatusTypeDef status = HAL_OK;
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233
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234 /* Process Locked */
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235 __HAL_LOCK(&pFlash);
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236
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237 /* Check the parameters */
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238 assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram));
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239
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240 /* Enable End of FLASH Operation interrupt */
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241 __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP);
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242
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243 /* Enable Error source interrupt */
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244 __HAL_FLASH_ENABLE_IT(FLASH_IT_ERR);
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245
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246 pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAM;
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247 pFlash.Address = Address;
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248
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249 if(TypeProgram == FLASH_TYPEPROGRAM_BYTE)
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250 {
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251 /*Program byte (8-bit) at a specified address.*/
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252 FLASH_Program_Byte(Address, (uint8_t) Data);
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253 }
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254 else if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD)
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255 {
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256 /*Program halfword (16-bit) at a specified address.*/
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257 FLASH_Program_HalfWord(Address, (uint16_t) Data);
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258 }
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259 else if(TypeProgram == FLASH_TYPEPROGRAM_WORD)
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260 {
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261 /*Program word (32-bit) at a specified address.*/
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262 FLASH_Program_Word(Address, (uint32_t) Data);
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263 }
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264 else
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265 {
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266 /*Program double word (64-bit) at a specified address.*/
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267 FLASH_Program_DoubleWord(Address, Data);
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268 }
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269
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270 return status;
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271 }
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272
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273 /**
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274 * @brief This function handles FLASH interrupt request.
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275 * @retval None
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276 */
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277 void HAL_FLASH_IRQHandler(void)
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278 {
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279 uint32_t addresstmp = 0U;
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280
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281 /* Check FLASH operation error flags */
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282 #if defined(FLASH_SR_RDERR)
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283 if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
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284 FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR | FLASH_FLAG_RDERR)) != RESET)
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285 #else
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286 if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
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287 FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR)) != RESET)
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288 #endif /* FLASH_SR_RDERR */
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289 {
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290 if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE)
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291 {
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292 /*return the faulty sector*/
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293 addresstmp = pFlash.Sector;
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294 pFlash.Sector = 0xFFFFFFFFU;
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295 }
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296 else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
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297 {
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298 /*return the faulty bank*/
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299 addresstmp = pFlash.Bank;
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300 }
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301 else
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302 {
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303 /*return the faulty address*/
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304 addresstmp = pFlash.Address;
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305 }
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306
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307 /*Save the Error code*/
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308 FLASH_SetErrorCode();
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309
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310 /* FLASH error interrupt user callback */
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311 HAL_FLASH_OperationErrorCallback(addresstmp);
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312
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313 /*Stop the procedure ongoing*/
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314 pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
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315 }
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316
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317 /* Check FLASH End of Operation flag */
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318 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP) != RESET)
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319 {
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320 /* Clear FLASH End of Operation pending bit */
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321 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
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322
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323 if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE)
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324 {
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325 /*Nb of sector to erased can be decreased*/
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326 pFlash.NbSectorsToErase--;
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327
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328 /* Check if there are still sectors to erase*/
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329 if(pFlash.NbSectorsToErase != 0U)
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330 {
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331 addresstmp = pFlash.Sector;
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332 /*Indicate user which sector has been erased*/
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333 HAL_FLASH_EndOfOperationCallback(addresstmp);
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334
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335 /*Increment sector number*/
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336 pFlash.Sector++;
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337 addresstmp = pFlash.Sector;
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338 FLASH_Erase_Sector(addresstmp, pFlash.VoltageForErase);
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339 }
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340 else
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341 {
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342 /*No more sectors to Erase, user callback can be called.*/
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343 /*Reset Sector and stop Erase sectors procedure*/
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344 pFlash.Sector = addresstmp = 0xFFFFFFFFU;
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345 pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
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346
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347 /* Flush the caches to be sure of the data consistency */
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348 FLASH_FlushCaches() ;
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349
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350 /* FLASH EOP interrupt user callback */
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351 HAL_FLASH_EndOfOperationCallback(addresstmp);
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352 }
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353 }
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354 else
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355 {
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356 if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
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357 {
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358 /* MassErase ended. Return the selected bank */
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359 /* Flush the caches to be sure of the data consistency */
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360 FLASH_FlushCaches() ;
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361
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362 /* FLASH EOP interrupt user callback */
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363 HAL_FLASH_EndOfOperationCallback(pFlash.Bank);
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364 }
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365 else
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366 {
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367 /*Program ended. Return the selected address*/
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368 /* FLASH EOP interrupt user callback */
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369 HAL_FLASH_EndOfOperationCallback(pFlash.Address);
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370 }
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371 pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
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372 }
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373 }
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374
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375 if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
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376 {
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377 /* Operation is completed, disable the PG, SER, SNB and MER Bits */
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378 CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_SER | FLASH_CR_SNB | FLASH_MER_BIT));
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379
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380 /* Disable End of FLASH Operation interrupt */
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381 __HAL_FLASH_DISABLE_IT(FLASH_IT_EOP);
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382
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383 /* Disable Error source interrupt */
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384 __HAL_FLASH_DISABLE_IT(FLASH_IT_ERR);
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385
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386 /* Process Unlocked */
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387 __HAL_UNLOCK(&pFlash);
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388 }
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389 }
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390
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391 /**
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392 * @brief FLASH end of operation interrupt callback
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393 * @param ReturnValue The value saved in this parameter depends on the ongoing procedure
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394 * Mass Erase: Bank number which has been requested to erase
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395 * Sectors Erase: Sector which has been erased
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396 * (if 0xFFFFFFFFU, it means that all the selected sectors have been erased)
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397 * Program: Address which was selected for data program
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398 * @retval None
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399 */
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400 __weak void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue)
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401 {
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402 /* Prevent unused argument(s) compilation warning */
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403 UNUSED(ReturnValue);
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404 /* NOTE : This function Should not be modified, when the callback is needed,
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405 the HAL_FLASH_EndOfOperationCallback could be implemented in the user file
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406 */
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407 }
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408
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409 /**
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410 * @brief FLASH operation error interrupt callback
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411 * @param ReturnValue The value saved in this parameter depends on the ongoing procedure
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412 * Mass Erase: Bank number which has been requested to erase
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413 * Sectors Erase: Sector number which returned an error
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414 * Program: Address which was selected for data program
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415 * @retval None
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416 */
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417 __weak void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue)
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418 {
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419 /* Prevent unused argument(s) compilation warning */
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420 UNUSED(ReturnValue);
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421 /* NOTE : This function Should not be modified, when the callback is needed,
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422 the HAL_FLASH_OperationErrorCallback could be implemented in the user file
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423 */
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424 }
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425
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426 /**
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427 * @}
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428 */
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429
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430 /** @defgroup FLASH_Exported_Functions_Group2 Peripheral Control functions
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431 * @brief management functions
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432 *
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433 @verbatim
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434 ===============================================================================
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435 ##### Peripheral Control functions #####
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436 ===============================================================================
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437 [..]
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438 This subsection provides a set of functions allowing to control the FLASH
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439 memory operations.
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440
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441 @endverbatim
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442 * @{
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443 */
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444
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445 /**
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446 * @brief Unlock the FLASH control register access
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447 * @retval HAL Status
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448 */
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449 HAL_StatusTypeDef HAL_FLASH_Unlock(void)
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450 {
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451 HAL_StatusTypeDef status = HAL_OK;
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452
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453 if(READ_BIT(FLASH->CR, FLASH_CR_LOCK) != RESET)
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454 {
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455 /* Authorize the FLASH Registers access */
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456 WRITE_REG(FLASH->KEYR, FLASH_KEY1);
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457 WRITE_REG(FLASH->KEYR, FLASH_KEY2);
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458
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459 /* Verify Flash is unlocked */
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460 if(READ_BIT(FLASH->CR, FLASH_CR_LOCK) != RESET)
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461 {
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462 status = HAL_ERROR;
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463 }
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464 }
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465
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466 return status;
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467 }
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468
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469 /**
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470 * @brief Locks the FLASH control register access
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471 * @retval HAL Status
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472 */
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473 HAL_StatusTypeDef HAL_FLASH_Lock(void)
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474 {
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475 /* Set the LOCK Bit to lock the FLASH Registers access */
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476 FLASH->CR |= FLASH_CR_LOCK;
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477
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478 return HAL_OK;
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479 }
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480
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481 /**
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482 * @brief Unlock the FLASH Option Control Registers access.
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483 * @retval HAL Status
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484 */
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485 HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void)
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486 {
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487 if((FLASH->OPTCR & FLASH_OPTCR_OPTLOCK) != RESET)
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488 {
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489 /* Authorizes the Option Byte register programming */
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490 FLASH->OPTKEYR = FLASH_OPT_KEY1;
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491 FLASH->OPTKEYR = FLASH_OPT_KEY2;
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492 }
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493 else
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494 {
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495 return HAL_ERROR;
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496 }
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497
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498 return HAL_OK;
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499 }
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500
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501 /**
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502 * @brief Lock the FLASH Option Control Registers access.
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503 * @retval HAL Status
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504 */
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505 HAL_StatusTypeDef HAL_FLASH_OB_Lock(void)
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506 {
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507 /* Set the OPTLOCK Bit to lock the FLASH Option Byte Registers access */
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508 FLASH->OPTCR |= FLASH_OPTCR_OPTLOCK;
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509
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510 return HAL_OK;
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511 }
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512
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513 /**
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514 * @brief Launch the option byte loading.
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515 * @retval HAL Status
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516 */
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517 HAL_StatusTypeDef HAL_FLASH_OB_Launch(void)
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518 {
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519 /* Set the OPTSTRT bit in OPTCR register */
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520 *(__IO uint8_t *)OPTCR_BYTE0_ADDRESS |= FLASH_OPTCR_OPTSTRT;
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521
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522 /* Wait for last operation to be completed */
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523 return(FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE));
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524 }
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525
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526 /**
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527 * @}
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528 */
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529
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530 /** @defgroup FLASH_Exported_Functions_Group3 Peripheral State and Errors functions
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531 * @brief Peripheral Errors functions
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532 *
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533 @verbatim
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534 ===============================================================================
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535 ##### Peripheral Errors functions #####
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536 ===============================================================================
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537 [..]
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538 This subsection permits to get in run-time Errors of the FLASH peripheral.
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539
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540 @endverbatim
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541 * @{
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542 */
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543
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544 /**
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545 * @brief Get the specific FLASH error flag.
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546 * @retval FLASH_ErrorCode: The returned value can be a combination of:
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547 * @arg HAL_FLASH_ERROR_RD: FLASH Read Protection error flag (PCROP)
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548 * @arg HAL_FLASH_ERROR_PGS: FLASH Programming Sequence error flag
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549 * @arg HAL_FLASH_ERROR_PGP: FLASH Programming Parallelism error flag
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550 * @arg HAL_FLASH_ERROR_PGA: FLASH Programming Alignment error flag
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551 * @arg HAL_FLASH_ERROR_WRP: FLASH Write protected error flag
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552 * @arg HAL_FLASH_ERROR_OPERATION: FLASH operation Error flag
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553 */
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554 uint32_t HAL_FLASH_GetError(void)
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555 {
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556 return pFlash.ErrorCode;
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557 }
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558
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559 /**
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560 * @}
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561 */
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562
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563 /**
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564 * @brief Wait for a FLASH operation to complete.
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565 * @param Timeout maximum flash operationtimeout
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566 * @retval HAL Status
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567 */
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568 HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout)
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569 {
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570 uint32_t tickstart = 0U;
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571
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572 /* Clear Error Code */
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573 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
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574
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575 /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset.
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576 Even if the FLASH operation fails, the BUSY flag will be reset and an error
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577 flag will be set */
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578 /* Get tick */
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579 tickstart = HAL_GetTick();
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580
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581 while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY) != RESET)
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582 {
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583 if(Timeout != HAL_MAX_DELAY)
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584 {
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585 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
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586 {
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587 return HAL_TIMEOUT;
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588 }
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589 }
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590 }
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591
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592 /* Check FLASH End of Operation flag */
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593 if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP) != RESET)
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594 {
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595 /* Clear FLASH End of Operation pending bit */
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596 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
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597 }
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598 #if defined(FLASH_SR_RDERR)
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599 if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
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600 FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR | FLASH_FLAG_RDERR)) != RESET)
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601 #else
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602 if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
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603 FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR)) != RESET)
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604 #endif /* FLASH_SR_RDERR */
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605 {
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606 /*Save the error code*/
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607 FLASH_SetErrorCode();
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608 return HAL_ERROR;
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609 }
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610
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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611 /* If there is no error flag set */
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612 return HAL_OK;
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613
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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614 }
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615
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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616 /**
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617 * @brief Program a double word (64-bit) at a specified address.
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618 * @note This function must be used when the device voltage range is from
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619 * 2.7V to 3.6V and Vpp in the range 7V to 9V.
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620 *
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621 * @note If an erase and a program operations are requested simultaneously,
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622 * the erase operation is performed before the program one.
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623 *
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624 * @param Address specifies the address to be programmed.
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625 * @param Data specifies the data to be programmed.
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626 * @retval None
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627 */
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628 static void FLASH_Program_DoubleWord(uint32_t Address, uint64_t Data)
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629 {
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630 /* Check the parameters */
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631 assert_param(IS_FLASH_ADDRESS(Address));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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632
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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633 /* If the previous operation is completed, proceed to program the new data */
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634 CLEAR_BIT(FLASH->CR, FLASH_CR_PSIZE);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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635 FLASH->CR |= FLASH_PSIZE_DOUBLE_WORD;
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636 FLASH->CR |= FLASH_CR_PG;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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637
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
638 /* Program the double-word */
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639 *(__IO uint32_t*)Address = (uint32_t)Data;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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640 *(__IO uint32_t*)(Address+4) = (uint32_t)(Data >> 32);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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641 }
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
Ideenmodellierer
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diff changeset
643
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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644 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
645 * @brief Program word (32-bit) at a specified address.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
646 * @note This function must be used when the device voltage range is from
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
647 * 2.7V to 3.6V.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
648 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
649 * @note If an erase and a program operations are requested simultaneously,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
650 * the erase operation is performed before the program one.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
651 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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652 * @param Address specifies the address to be programmed.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
653 * @param Data specifies the data to be programmed.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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654 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
655 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
656 static void FLASH_Program_Word(uint32_t Address, uint32_t Data)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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657 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
658 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
659 assert_param(IS_FLASH_ADDRESS(Address));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
660
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
661 /* If the previous operation is completed, proceed to program the new data */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
662 CLEAR_BIT(FLASH->CR, FLASH_CR_PSIZE);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
663 FLASH->CR |= FLASH_PSIZE_WORD;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
664 FLASH->CR |= FLASH_CR_PG;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
665
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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666 *(__IO uint32_t*)Address = Data;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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667 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
668
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
669 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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670 * @brief Program a half-word (16-bit) at a specified address.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
671 * @note This function must be used when the device voltage range is from
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
672 * 2.1V to 3.6V.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
673 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
674 * @note If an erase and a program operations are requested simultaneously,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
675 * the erase operation is performed before the program one.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
676 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
677 * @param Address specifies the address to be programmed.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
678 * @param Data specifies the data to be programmed.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
679 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
680 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
681 static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
682 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
683 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
684 assert_param(IS_FLASH_ADDRESS(Address));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
685
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
686 /* If the previous operation is completed, proceed to program the new data */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
687 CLEAR_BIT(FLASH->CR, FLASH_CR_PSIZE);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
688 FLASH->CR |= FLASH_PSIZE_HALF_WORD;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
689 FLASH->CR |= FLASH_CR_PG;
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 *(__IO uint16_t*)Address = Data;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
692 }
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 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
695 * @brief Program byte (8-bit) at a specified address.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
696 * @note This function must be used when the device voltage range is from
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
697 * 1.8V to 3.6V.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
698 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
699 * @note If an erase and a program operations are requested simultaneously,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
700 * the erase operation is performed before the program one.
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 * @param Address specifies the address to be programmed.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
703 * @param Data specifies the data to be programmed.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
704 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
705 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
706 static void FLASH_Program_Byte(uint32_t Address, uint8_t Data)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
707 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
708 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
709 assert_param(IS_FLASH_ADDRESS(Address));
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 /* If the previous operation is completed, proceed to program the new data */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
712 CLEAR_BIT(FLASH->CR, FLASH_CR_PSIZE);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
713 FLASH->CR |= FLASH_PSIZE_BYTE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
714 FLASH->CR |= FLASH_CR_PG;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
715
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
716 *(__IO uint8_t*)Address = Data;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
717 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
718
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
719 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
720 * @brief Set the specific FLASH error flag.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
721 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
722 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
723 static void FLASH_SetErrorCode(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
724 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
725 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
726 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
727 pFlash.ErrorCode |= HAL_FLASH_ERROR_WRP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
728
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
729 /* Clear FLASH write protection error pending bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
730 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
731 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
732
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
733 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
734 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
735 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGA;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
736
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
737 /* Clear FLASH Programming alignment error pending bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
738 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGAERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
739 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
740
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
741 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGPERR) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
742 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
743 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
744
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
745 /* Clear FLASH Programming parallelism error pending bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
746 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGPERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
747 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
748
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
749 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGSERR) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
750 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
751 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
752
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
753 /* Clear FLASH Programming sequence error pending bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
754 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGSERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
755 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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756 #if defined(FLASH_SR_RDERR)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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757 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
758 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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759 pFlash.ErrorCode |= HAL_FLASH_ERROR_RD;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
760
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
761 /* Clear FLASH Proprietary readout protection error pending bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
762 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_RDERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
763 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
764 #endif /* FLASH_SR_RDERR */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
765 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPERR) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
766 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
767 pFlash.ErrorCode |= HAL_FLASH_ERROR_OPERATION;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
768
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
769 /* Clear FLASH Operation error pending bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
770 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
771 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
772 }
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
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parents:
diff changeset
774 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
775 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
776 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
777
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
778 #endif /* HAL_FLASH_MODULE_ENABLED */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
779
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
780 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
781 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
782 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
783
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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784 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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785 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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786 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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787
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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788 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/