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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c @ 507:5e3b830b955f
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author | Ideenmodellierer |
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date | Sun, 30 Aug 2020 17:20:16 +0200 |
parents | c78bcbd5deda |
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128
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_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>© 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 |
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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 |
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614 } |
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615 |
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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)); |
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632 |
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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); |
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635 FLASH->CR |= FLASH_PSIZE_DOUBLE_WORD; |
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636 FLASH->CR |= FLASH_CR_PG; |
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637 |
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638 /* Program the double-word */ |
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639 *(__IO uint32_t*)Address = (uint32_t)Data; |
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640 *(__IO uint32_t*)(Address+4) = (uint32_t)(Data >> 32); |
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641 } |
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642 |
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643 |
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644 /** |
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645 * @brief Program word (32-bit) at a specified address. |
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646 * @note This function must be used when the device voltage range is from |
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647 * 2.7V to 3.6V. |
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648 * |
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649 * @note If an erase and a program operations are requested simultaneously, |
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650 * the erase operation is performed before the program one. |
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651 * |
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652 * @param Address specifies the address to be programmed. |
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653 * @param Data specifies the data to be programmed. |
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654 * @retval None |
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655 */ |
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656 static void FLASH_Program_Word(uint32_t Address, uint32_t Data) |
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657 { |
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658 /* Check the parameters */ |
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659 assert_param(IS_FLASH_ADDRESS(Address)); |
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660 |
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661 /* If the previous operation is completed, proceed to program the new data */ |
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662 CLEAR_BIT(FLASH->CR, FLASH_CR_PSIZE); |
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663 FLASH->CR |= FLASH_PSIZE_WORD; |
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664 FLASH->CR |= FLASH_CR_PG; |
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665 |
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666 *(__IO uint32_t*)Address = Data; |
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667 } |
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668 |
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669 /** |
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670 * @brief Program a half-word (16-bit) at a specified address. |
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671 * @note This function must be used when the device voltage range is from |
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672 * 2.1V to 3.6V. |
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673 * |
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674 * @note If an erase and a program operations are requested simultaneously, |
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675 * the erase operation is performed before the program one. |
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676 * |
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677 * @param Address specifies the address to be programmed. |
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678 * @param Data specifies the data to be programmed. |
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679 * @retval None |
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680 */ |
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681 static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data) |
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682 { |
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683 /* Check the parameters */ |
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684 assert_param(IS_FLASH_ADDRESS(Address)); |
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685 |
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686 /* If the previous operation is completed, proceed to program the new data */ |
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687 CLEAR_BIT(FLASH->CR, FLASH_CR_PSIZE); |
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688 FLASH->CR |= FLASH_PSIZE_HALF_WORD; |
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689 FLASH->CR |= FLASH_CR_PG; |
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690 |
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691 *(__IO uint16_t*)Address = Data; |
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692 } |
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693 |
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694 /** |
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695 * @brief Program byte (8-bit) at a specified address. |
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696 * @note This function must be used when the device voltage range is from |
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697 * 1.8V to 3.6V. |
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698 * |
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699 * @note If an erase and a program operations are requested simultaneously, |
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700 * the erase operation is performed before the program one. |
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701 * |
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702 * @param Address specifies the address to be programmed. |
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703 * @param Data specifies the data to be programmed. |
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704 * @retval None |
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705 */ |
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706 static void FLASH_Program_Byte(uint32_t Address, uint8_t Data) |
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707 { |
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708 /* Check the parameters */ |
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709 assert_param(IS_FLASH_ADDRESS(Address)); |
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|
710 |
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711 /* If the previous operation is completed, proceed to program the new data */ |
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712 CLEAR_BIT(FLASH->CR, FLASH_CR_PSIZE); |
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713 FLASH->CR |= FLASH_PSIZE_BYTE; |
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714 FLASH->CR |= FLASH_CR_PG; |
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715 |
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716 *(__IO uint8_t*)Address = Data; |
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717 } |
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718 |
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719 /** |
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720 * @brief Set the specific FLASH error flag. |
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721 * @retval None |
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722 */ |
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723 static void FLASH_SetErrorCode(void) |
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724 { |
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725 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET) |
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726 { |
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727 pFlash.ErrorCode |= HAL_FLASH_ERROR_WRP; |
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728 |
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729 /* Clear FLASH write protection error pending bit */ |
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730 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR); |
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731 } |
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|
732 |
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733 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET) |
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734 { |
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735 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGA; |
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|
736 |
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737 /* Clear FLASH Programming alignment error pending bit */ |
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738 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGAERR); |
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739 } |
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740 |
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741 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGPERR) != RESET) |
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742 { |
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743 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGP; |
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744 |
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745 /* Clear FLASH Programming parallelism error pending bit */ |
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746 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGPERR); |
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747 } |
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748 |
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749 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGSERR) != RESET) |
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750 { |
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751 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGS; |
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752 |
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753 /* Clear FLASH Programming sequence error pending bit */ |
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754 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGSERR); |
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755 } |
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756 #if defined(FLASH_SR_RDERR) |
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757 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET) |
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758 { |
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759 pFlash.ErrorCode |= HAL_FLASH_ERROR_RD; |
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760 |
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761 /* Clear FLASH Proprietary readout protection error pending bit */ |
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762 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_RDERR); |
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763 } |
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764 #endif /* FLASH_SR_RDERR */ |
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765 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPERR) != RESET) |
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766 { |
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767 pFlash.ErrorCode |= HAL_FLASH_ERROR_OPERATION; |
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768 |
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769 /* Clear FLASH Operation error pending bit */ |
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770 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPERR); |
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771 } |
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772 } |
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773 |
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774 /** |
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775 * @} |
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776 */ |
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777 |
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778 #endif /* HAL_FLASH_MODULE_ENABLED */ |
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779 |
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780 /** |
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781 * @} |
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782 */ |
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783 |
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784 /** |
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785 * @} |
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786 */ |
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787 |
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788 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |