2 ******************************************************************************
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3 * @file stm32f10x_flash.h
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4 * @author MCD Application Team
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7 * @brief This file contains all the functions prototypes for the FLASH
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9 ******************************************************************************
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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19 * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2>
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22 /* Define to prevent recursive inclusion -------------------------------------*/
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23 #ifndef __STM32F10x_FLASH_H
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24 #define __STM32F10x_FLASH_H
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30 /* Includes ------------------------------------------------------------------*/
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31 #include "stm32f10x.h"
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33 /** @addtogroup STM32F10x_StdPeriph_Driver
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37 /** @addtogroup FLASH
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41 /** @defgroup FLASH_Exported_Types
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46 * @brief FLASH Status
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62 /** @defgroup FLASH_Exported_Constants
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66 /** @defgroup Flash_Latency
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70 #define FLASH_Latency_0 ((uint32_t)0x00000000) /*!< FLASH Zero Latency cycle */
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71 #define FLASH_Latency_1 ((uint32_t)0x00000001) /*!< FLASH One Latency cycle */
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72 #define FLASH_Latency_2 ((uint32_t)0x00000002) /*!< FLASH Two Latency cycles */
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73 #define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \
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74 ((LATENCY) == FLASH_Latency_1) || \
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75 ((LATENCY) == FLASH_Latency_2))
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80 /** @defgroup Half_Cycle_Enable_Disable
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84 #define FLASH_HalfCycleAccess_Enable ((uint32_t)0x00000008) /*!< FLASH Half Cycle Enable */
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85 #define FLASH_HalfCycleAccess_Disable ((uint32_t)0x00000000) /*!< FLASH Half Cycle Disable */
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86 #define IS_FLASH_HALFCYCLEACCESS_STATE(STATE) (((STATE) == FLASH_HalfCycleAccess_Enable) || \
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87 ((STATE) == FLASH_HalfCycleAccess_Disable))
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92 /** @defgroup Prefetch_Buffer_Enable_Disable
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96 #define FLASH_PrefetchBuffer_Enable ((uint32_t)0x00000010) /*!< FLASH Prefetch Buffer Enable */
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97 #define FLASH_PrefetchBuffer_Disable ((uint32_t)0x00000000) /*!< FLASH Prefetch Buffer Disable */
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98 #define IS_FLASH_PREFETCHBUFFER_STATE(STATE) (((STATE) == FLASH_PrefetchBuffer_Enable) || \
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99 ((STATE) == FLASH_PrefetchBuffer_Disable))
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104 /** @defgroup Option_Bytes_Write_Protection
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108 /* Values to be used with STM32 Low and Medium density devices */
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109 #define FLASH_WRProt_Pages0to3 ((uint32_t)0x00000001) /*!< STM32 Low and Medium density devices: Write protection of page 0 to 3 */
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110 #define FLASH_WRProt_Pages4to7 ((uint32_t)0x00000002) /*!< STM32 Low and Medium density devices: Write protection of page 4 to 7 */
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111 #define FLASH_WRProt_Pages8to11 ((uint32_t)0x00000004) /*!< STM32 Low and Medium density devices: Write protection of page 8 to 11 */
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112 #define FLASH_WRProt_Pages12to15 ((uint32_t)0x00000008) /*!< STM32 Low and Medium density devices: Write protection of page 12 to 15 */
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113 #define FLASH_WRProt_Pages16to19 ((uint32_t)0x00000010) /*!< STM32 Low and Medium density devices: Write protection of page 16 to 19 */
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114 #define FLASH_WRProt_Pages20to23 ((uint32_t)0x00000020) /*!< STM32 Low and Medium density devices: Write protection of page 20 to 23 */
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115 #define FLASH_WRProt_Pages24to27 ((uint32_t)0x00000040) /*!< STM32 Low and Medium density devices: Write protection of page 24 to 27 */
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116 #define FLASH_WRProt_Pages28to31 ((uint32_t)0x00000080) /*!< STM32 Low and Medium density devices: Write protection of page 28 to 31 */
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118 /* Values to be used with STM32 Medium-density devices */
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119 #define FLASH_WRProt_Pages32to35 ((uint32_t)0x00000100) /*!< STM32 Medium-density devices: Write protection of page 32 to 35 */
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120 #define FLASH_WRProt_Pages36to39 ((uint32_t)0x00000200) /*!< STM32 Medium-density devices: Write protection of page 36 to 39 */
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121 #define FLASH_WRProt_Pages40to43 ((uint32_t)0x00000400) /*!< STM32 Medium-density devices: Write protection of page 40 to 43 */
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122 #define FLASH_WRProt_Pages44to47 ((uint32_t)0x00000800) /*!< STM32 Medium-density devices: Write protection of page 44 to 47 */
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123 #define FLASH_WRProt_Pages48to51 ((uint32_t)0x00001000) /*!< STM32 Medium-density devices: Write protection of page 48 to 51 */
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124 #define FLASH_WRProt_Pages52to55 ((uint32_t)0x00002000) /*!< STM32 Medium-density devices: Write protection of page 52 to 55 */
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125 #define FLASH_WRProt_Pages56to59 ((uint32_t)0x00004000) /*!< STM32 Medium-density devices: Write protection of page 56 to 59 */
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126 #define FLASH_WRProt_Pages60to63 ((uint32_t)0x00008000) /*!< STM32 Medium-density devices: Write protection of page 60 to 63 */
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127 #define FLASH_WRProt_Pages64to67 ((uint32_t)0x00010000) /*!< STM32 Medium-density devices: Write protection of page 64 to 67 */
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128 #define FLASH_WRProt_Pages68to71 ((uint32_t)0x00020000) /*!< STM32 Medium-density devices: Write protection of page 68 to 71 */
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129 #define FLASH_WRProt_Pages72to75 ((uint32_t)0x00040000) /*!< STM32 Medium-density devices: Write protection of page 72 to 75 */
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130 #define FLASH_WRProt_Pages76to79 ((uint32_t)0x00080000) /*!< STM32 Medium-density devices: Write protection of page 76 to 79 */
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131 #define FLASH_WRProt_Pages80to83 ((uint32_t)0x00100000) /*!< STM32 Medium-density devices: Write protection of page 80 to 83 */
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132 #define FLASH_WRProt_Pages84to87 ((uint32_t)0x00200000) /*!< STM32 Medium-density devices: Write protection of page 84 to 87 */
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133 #define FLASH_WRProt_Pages88to91 ((uint32_t)0x00400000) /*!< STM32 Medium-density devices: Write protection of page 88 to 91 */
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134 #define FLASH_WRProt_Pages92to95 ((uint32_t)0x00800000) /*!< STM32 Medium-density devices: Write protection of page 92 to 95 */
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135 #define FLASH_WRProt_Pages96to99 ((uint32_t)0x01000000) /*!< STM32 Medium-density devices: Write protection of page 96 to 99 */
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136 #define FLASH_WRProt_Pages100to103 ((uint32_t)0x02000000) /*!< STM32 Medium-density devices: Write protection of page 100 to 103 */
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137 #define FLASH_WRProt_Pages104to107 ((uint32_t)0x04000000) /*!< STM32 Medium-density devices: Write protection of page 104 to 107 */
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138 #define FLASH_WRProt_Pages108to111 ((uint32_t)0x08000000) /*!< STM32 Medium-density devices: Write protection of page 108 to 111 */
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139 #define FLASH_WRProt_Pages112to115 ((uint32_t)0x10000000) /*!< STM32 Medium-density devices: Write protection of page 112 to 115 */
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140 #define FLASH_WRProt_Pages116to119 ((uint32_t)0x20000000) /*!< STM32 Medium-density devices: Write protection of page 115 to 119 */
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141 #define FLASH_WRProt_Pages120to123 ((uint32_t)0x40000000) /*!< STM32 Medium-density devices: Write protection of page 120 to 123 */
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142 #define FLASH_WRProt_Pages124to127 ((uint32_t)0x80000000) /*!< STM32 Medium-density devices: Write protection of page 124 to 127 */
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144 /* Values to be used with STM32 High-density and STM32F10X Connectivity line devices */
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145 #define FLASH_WRProt_Pages0to1 ((uint32_t)0x00000001) /*!< STM32 Medium-density and Connectivity line devices:
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146 Write protection of page 0 to 1 */
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147 #define FLASH_WRProt_Pages2to3 ((uint32_t)0x00000002) /*!< STM32 Medium-density and Connectivity line devices:
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148 Write protection of page 2 to 3 */
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149 #define FLASH_WRProt_Pages4to5 ((uint32_t)0x00000004) /*!< STM32 Medium-density and Connectivity line devices:
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150 Write protection of page 4 to 5 */
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151 #define FLASH_WRProt_Pages6to7 ((uint32_t)0x00000008) /*!< STM32 Medium-density and Connectivity line devices:
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152 Write protection of page 6 to 7 */
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153 #define FLASH_WRProt_Pages8to9 ((uint32_t)0x00000010) /*!< STM32 Medium-density and Connectivity line devices:
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154 Write protection of page 8 to 9 */
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155 #define FLASH_WRProt_Pages10to11 ((uint32_t)0x00000020) /*!< STM32 Medium-density and Connectivity line devices:
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156 Write protection of page 10 to 11 */
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157 #define FLASH_WRProt_Pages12to13 ((uint32_t)0x00000040) /*!< STM32 Medium-density and Connectivity line devices:
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158 Write protection of page 12 to 13 */
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159 #define FLASH_WRProt_Pages14to15 ((uint32_t)0x00000080) /*!< STM32 Medium-density and Connectivity line devices:
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160 Write protection of page 14 to 15 */
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161 #define FLASH_WRProt_Pages16to17 ((uint32_t)0x00000100) /*!< STM32 Medium-density and Connectivity line devices:
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162 Write protection of page 16 to 17 */
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163 #define FLASH_WRProt_Pages18to19 ((uint32_t)0x00000200) /*!< STM32 Medium-density and Connectivity line devices:
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164 Write protection of page 18 to 19 */
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165 #define FLASH_WRProt_Pages20to21 ((uint32_t)0x00000400) /*!< STM32 Medium-density and Connectivity line devices:
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166 Write protection of page 20 to 21 */
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167 #define FLASH_WRProt_Pages22to23 ((uint32_t)0x00000800) /*!< STM32 Medium-density and Connectivity line devices:
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168 Write protection of page 22 to 23 */
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169 #define FLASH_WRProt_Pages24to25 ((uint32_t)0x00001000) /*!< STM32 Medium-density and Connectivity line devices:
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170 Write protection of page 24 to 25 */
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171 #define FLASH_WRProt_Pages26to27 ((uint32_t)0x00002000) /*!< STM32 Medium-density and Connectivity line devices:
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172 Write protection of page 26 to 27 */
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173 #define FLASH_WRProt_Pages28to29 ((uint32_t)0x00004000) /*!< STM32 Medium-density and Connectivity line devices:
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174 Write protection of page 28 to 29 */
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175 #define FLASH_WRProt_Pages30to31 ((uint32_t)0x00008000) /*!< STM32 Medium-density and Connectivity line devices:
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176 Write protection of page 30 to 31 */
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177 #define FLASH_WRProt_Pages32to33 ((uint32_t)0x00010000) /*!< STM32 Medium-density and Connectivity line devices:
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178 Write protection of page 32 to 33 */
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179 #define FLASH_WRProt_Pages34to35 ((uint32_t)0x00020000) /*!< STM32 Medium-density and Connectivity line devices:
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180 Write protection of page 34 to 35 */
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181 #define FLASH_WRProt_Pages36to37 ((uint32_t)0x00040000) /*!< STM32 Medium-density and Connectivity line devices:
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182 Write protection of page 36 to 37 */
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183 #define FLASH_WRProt_Pages38to39 ((uint32_t)0x00080000) /*!< STM32 Medium-density and Connectivity line devices:
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184 Write protection of page 38 to 39 */
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185 #define FLASH_WRProt_Pages40to41 ((uint32_t)0x00100000) /*!< STM32 Medium-density and Connectivity line devices:
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186 Write protection of page 40 to 41 */
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187 #define FLASH_WRProt_Pages42to43 ((uint32_t)0x00200000) /*!< STM32 Medium-density and Connectivity line devices:
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188 Write protection of page 42 to 43 */
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189 #define FLASH_WRProt_Pages44to45 ((uint32_t)0x00400000) /*!< STM32 Medium-density and Connectivity line devices:
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190 Write protection of page 44 to 45 */
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191 #define FLASH_WRProt_Pages46to47 ((uint32_t)0x00800000) /*!< STM32 Medium-density and Connectivity line devices:
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192 Write protection of page 46 to 47 */
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193 #define FLASH_WRProt_Pages48to49 ((uint32_t)0x01000000) /*!< STM32 Medium-density and Connectivity line devices:
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194 Write protection of page 48 to 49 */
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195 #define FLASH_WRProt_Pages50to51 ((uint32_t)0x02000000) /*!< STM32 Medium-density and Connectivity line devices:
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196 Write protection of page 50 to 51 */
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197 #define FLASH_WRProt_Pages52to53 ((uint32_t)0x04000000) /*!< STM32 Medium-density and Connectivity line devices:
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198 Write protection of page 52 to 53 */
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199 #define FLASH_WRProt_Pages54to55 ((uint32_t)0x08000000) /*!< STM32 Medium-density and Connectivity line devices:
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200 Write protection of page 54 to 55 */
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201 #define FLASH_WRProt_Pages56to57 ((uint32_t)0x10000000) /*!< STM32 Medium-density and Connectivity line devices:
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202 Write protection of page 56 to 57 */
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203 #define FLASH_WRProt_Pages58to59 ((uint32_t)0x20000000) /*!< STM32 Medium-density and Connectivity line devices:
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204 Write protection of page 58 to 59 */
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205 #define FLASH_WRProt_Pages60to61 ((uint32_t)0x40000000) /*!< STM32 Medium-density and Connectivity line devices:
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206 Write protection of page 60 to 61 */
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207 #define FLASH_WRProt_Pages62to127 ((uint32_t)0x80000000) /*!< STM32 Connectivity line devices: Write protection of page 62 to 127 */
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208 #define FLASH_WRProt_Pages62to255 ((uint32_t)0x80000000) /*!< STM32 Medium-density devices: Write protection of page 62 to 255 */
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210 #define FLASH_WRProt_AllPages ((uint32_t)0xFFFFFFFF) /*!< Write protection of all Pages */
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212 #define IS_FLASH_WRPROT_PAGE(PAGE) (((PAGE) != 0x00000000))
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214 #define IS_FLASH_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) < 0x0807FFFF))
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216 #define IS_OB_DATA_ADDRESS(ADDRESS) (((ADDRESS) == 0x1FFFF804) || ((ADDRESS) == 0x1FFFF806))
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222 /** @defgroup Option_Bytes_IWatchdog
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226 #define OB_IWDG_SW ((uint16_t)0x0001) /*!< Software IWDG selected */
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227 #define OB_IWDG_HW ((uint16_t)0x0000) /*!< Hardware IWDG selected */
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228 #define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW))
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234 /** @defgroup Option_Bytes_nRST_STOP
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238 #define OB_STOP_NoRST ((uint16_t)0x0002) /*!< No reset generated when entering in STOP */
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239 #define OB_STOP_RST ((uint16_t)0x0000) /*!< Reset generated when entering in STOP */
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240 #define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST))
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246 /** @defgroup Option_Bytes_nRST_STDBY
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250 #define OB_STDBY_NoRST ((uint16_t)0x0004) /*!< No reset generated when entering in STANDBY */
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251 #define OB_STDBY_RST ((uint16_t)0x0000) /*!< Reset generated when entering in STANDBY */
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252 #define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST))
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258 /** @defgroup FLASH_Interrupts
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262 #define FLASH_IT_ERROR ((uint32_t)0x00000400) /*!< FPEC error interrupt source */
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263 #define FLASH_IT_EOP ((uint32_t)0x00001000) /*!< End of FLASH Operation Interrupt source */
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264 #define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0xFFFFEBFF) == 0x00000000) && (((IT) != 0x00000000)))
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270 /** @defgroup FLASH_Flags
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274 #define FLASH_FLAG_BSY ((uint32_t)0x00000001) /*!< FLASH Busy flag */
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275 #define FLASH_FLAG_EOP ((uint32_t)0x00000020) /*!< FLASH End of Operation flag */
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276 #define FLASH_FLAG_PGERR ((uint32_t)0x00000004) /*!< FLASH Program error flag */
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277 #define FLASH_FLAG_WRPRTERR ((uint32_t)0x00000010) /*!< FLASH Write protected error flag */
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278 #define FLASH_FLAG_OPTERR ((uint32_t)0x00000001) /*!< FLASH Option Byte error flag */
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280 #define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFFCA) == 0x00000000) && ((FLAG) != 0x00000000))
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281 #define IS_FLASH_GET_FLAG(FLAG) (((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_EOP) || \
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282 ((FLAG) == FLASH_FLAG_PGERR) || ((FLAG) == FLASH_FLAG_WRPRTERR) || \
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283 ((FLAG) == FLASH_FLAG_OPTERR))
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293 /** @defgroup FLASH_Exported_Macros
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301 /** @defgroup FLASH_Exported_Functions
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305 void FLASH_SetLatency(uint32_t FLASH_Latency);
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306 void FLASH_HalfCycleAccessCmd(uint32_t FLASH_HalfCycleAccess);
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307 void FLASH_PrefetchBufferCmd(uint32_t FLASH_PrefetchBuffer);
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308 void FLASH_Unlock(void);
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309 void FLASH_Lock(void);
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310 FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
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311 FLASH_Status FLASH_EraseAllPages(void);
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312 FLASH_Status FLASH_EraseOptionBytes(void);
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313 FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
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314 FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
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315 FLASH_Status FLASH_ProgramOptionByteData(uint32_t Address, uint8_t Data);
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316 FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages);
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317 FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState);
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318 FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint16_t OB_STDBY);
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319 uint32_t FLASH_GetUserOptionByte(void);
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320 uint32_t FLASH_GetWriteProtectionOptionByte(void);
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321 FlagStatus FLASH_GetReadOutProtectionStatus(void);
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322 FlagStatus FLASH_GetPrefetchBufferStatus(void);
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323 void FLASH_ITConfig(uint16_t FLASH_IT, FunctionalState NewState);
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324 FlagStatus FLASH_GetFlagStatus(uint16_t FLASH_FLAG);
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325 void FLASH_ClearFlag(uint16_t FLASH_FLAG);
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326 FLASH_Status FLASH_GetStatus(void);
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327 FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout);
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333 #endif /* __STM32F10x_FLASH_H */
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346 /******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
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