stm32f4xx_flash.h 24 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_flash.h
  4. * @author MCD Application Team
  5. * @version V1.8.1
  6. * @date 27-January-2022
  7. * @brief This file contains all the functions prototypes for the FLASH
  8. * firmware library.
  9. ******************************************************************************
  10. * @attention
  11. *
  12. * Copyright (c) 2016 STMicroelectronics.
  13. * All rights reserved.
  14. *
  15. * This software is licensed under terms that can be found in the LICENSE file
  16. * in the root directory of this software component.
  17. * If no LICENSE file comes with this software, it is provided AS-IS.
  18. *
  19. ******************************************************************************
  20. */
  21. /* Define to prevent recursive inclusion -------------------------------------*/
  22. #ifndef __STM32F4xx_FLASH_H
  23. #define __STM32F4xx_FLASH_H
  24. #ifdef __cplusplus
  25. extern "C" {
  26. #endif
  27. /* Includes ------------------------------------------------------------------*/
  28. #include "stm32f4xx.h"
  29. /** @addtogroup STM32F4xx_StdPeriph_Driver
  30. * @{
  31. */
  32. /** @addtogroup FLASH
  33. * @{
  34. */
  35. /* Exported types ------------------------------------------------------------*/
  36. /**
  37. * @brief FLASH Status
  38. */
  39. typedef enum
  40. {
  41. FLASH_BUSY = 1,
  42. FLASH_ERROR_RD,
  43. FLASH_ERROR_PGS,
  44. FLASH_ERROR_PGP,
  45. FLASH_ERROR_PGA,
  46. FLASH_ERROR_WRP,
  47. FLASH_ERROR_PROGRAM,
  48. FLASH_ERROR_OPERATION,
  49. FLASH_COMPLETE
  50. }FLASH_Status;
  51. /* Exported constants --------------------------------------------------------*/
  52. /** @defgroup FLASH_Exported_Constants
  53. * @{
  54. */
  55. /** @defgroup Flash_Latency
  56. * @{
  57. */
  58. #define FLASH_Latency_0 ((uint8_t)0x0000) /*!< FLASH Zero Latency cycle */
  59. #define FLASH_Latency_1 ((uint8_t)0x0001) /*!< FLASH One Latency cycle */
  60. #define FLASH_Latency_2 ((uint8_t)0x0002) /*!< FLASH Two Latency cycles */
  61. #define FLASH_Latency_3 ((uint8_t)0x0003) /*!< FLASH Three Latency cycles */
  62. #define FLASH_Latency_4 ((uint8_t)0x0004) /*!< FLASH Four Latency cycles */
  63. #define FLASH_Latency_5 ((uint8_t)0x0005) /*!< FLASH Five Latency cycles */
  64. #define FLASH_Latency_6 ((uint8_t)0x0006) /*!< FLASH Six Latency cycles */
  65. #define FLASH_Latency_7 ((uint8_t)0x0007) /*!< FLASH Seven Latency cycles */
  66. #define FLASH_Latency_8 ((uint8_t)0x0008) /*!< FLASH Eight Latency cycles */
  67. #define FLASH_Latency_9 ((uint8_t)0x0009) /*!< FLASH Nine Latency cycles */
  68. #define FLASH_Latency_10 ((uint8_t)0x000A) /*!< FLASH Ten Latency cycles */
  69. #define FLASH_Latency_11 ((uint8_t)0x000B) /*!< FLASH Eleven Latency cycles */
  70. #define FLASH_Latency_12 ((uint8_t)0x000C) /*!< FLASH Twelve Latency cycles */
  71. #define FLASH_Latency_13 ((uint8_t)0x000D) /*!< FLASH Thirteen Latency cycles */
  72. #define FLASH_Latency_14 ((uint8_t)0x000E) /*!< FLASH Fourteen Latency cycles */
  73. #define FLASH_Latency_15 ((uint8_t)0x000F) /*!< FLASH Fifteen Latency cycles */
  74. #define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \
  75. ((LATENCY) == FLASH_Latency_1) || \
  76. ((LATENCY) == FLASH_Latency_2) || \
  77. ((LATENCY) == FLASH_Latency_3) || \
  78. ((LATENCY) == FLASH_Latency_4) || \
  79. ((LATENCY) == FLASH_Latency_5) || \
  80. ((LATENCY) == FLASH_Latency_6) || \
  81. ((LATENCY) == FLASH_Latency_7) || \
  82. ((LATENCY) == FLASH_Latency_8) || \
  83. ((LATENCY) == FLASH_Latency_9) || \
  84. ((LATENCY) == FLASH_Latency_10) || \
  85. ((LATENCY) == FLASH_Latency_11) || \
  86. ((LATENCY) == FLASH_Latency_12) || \
  87. ((LATENCY) == FLASH_Latency_13) || \
  88. ((LATENCY) == FLASH_Latency_14) || \
  89. ((LATENCY) == FLASH_Latency_15))
  90. /**
  91. * @}
  92. */
  93. /** @defgroup FLASH_Voltage_Range
  94. * @{
  95. */
  96. #define VoltageRange_1 ((uint8_t)0x00) /*!< Device operating range: 1.8V to 2.1V */
  97. #define VoltageRange_2 ((uint8_t)0x01) /*!<Device operating range: 2.1V to 2.7V */
  98. #define VoltageRange_3 ((uint8_t)0x02) /*!<Device operating range: 2.7V to 3.6V */
  99. #define VoltageRange_4 ((uint8_t)0x03) /*!<Device operating range: 2.7V to 3.6V + External Vpp */
  100. #define IS_VOLTAGERANGE(RANGE)(((RANGE) == VoltageRange_1) || \
  101. ((RANGE) == VoltageRange_2) || \
  102. ((RANGE) == VoltageRange_3) || \
  103. ((RANGE) == VoltageRange_4))
  104. /**
  105. * @}
  106. */
  107. /** @defgroup FLASH_Sectors
  108. * @{
  109. */
  110. #define FLASH_Sector_0 ((uint16_t)0x0000) /*!< Sector Number 0 */
  111. #define FLASH_Sector_1 ((uint16_t)0x0008) /*!< Sector Number 1 */
  112. #define FLASH_Sector_2 ((uint16_t)0x0010) /*!< Sector Number 2 */
  113. #define FLASH_Sector_3 ((uint16_t)0x0018) /*!< Sector Number 3 */
  114. #define FLASH_Sector_4 ((uint16_t)0x0020) /*!< Sector Number 4 */
  115. #define FLASH_Sector_5 ((uint16_t)0x0028) /*!< Sector Number 5 */
  116. #define FLASH_Sector_6 ((uint16_t)0x0030) /*!< Sector Number 6 */
  117. #define FLASH_Sector_7 ((uint16_t)0x0038) /*!< Sector Number 7 */
  118. #define FLASH_Sector_8 ((uint16_t)0x0040) /*!< Sector Number 8 */
  119. #define FLASH_Sector_9 ((uint16_t)0x0048) /*!< Sector Number 9 */
  120. #define FLASH_Sector_10 ((uint16_t)0x0050) /*!< Sector Number 10 */
  121. #define FLASH_Sector_11 ((uint16_t)0x0058) /*!< Sector Number 11 */
  122. #define FLASH_Sector_12 ((uint16_t)0x0080) /*!< Sector Number 12 */
  123. #define FLASH_Sector_13 ((uint16_t)0x0088) /*!< Sector Number 13 */
  124. #define FLASH_Sector_14 ((uint16_t)0x0090) /*!< Sector Number 14 */
  125. #define FLASH_Sector_15 ((uint16_t)0x0098) /*!< Sector Number 15 */
  126. #define FLASH_Sector_16 ((uint16_t)0x00A0) /*!< Sector Number 16 */
  127. #define FLASH_Sector_17 ((uint16_t)0x00A8) /*!< Sector Number 17 */
  128. #define FLASH_Sector_18 ((uint16_t)0x00B0) /*!< Sector Number 18 */
  129. #define FLASH_Sector_19 ((uint16_t)0x00B8) /*!< Sector Number 19 */
  130. #define FLASH_Sector_20 ((uint16_t)0x00C0) /*!< Sector Number 20 */
  131. #define FLASH_Sector_21 ((uint16_t)0x00C8) /*!< Sector Number 21 */
  132. #define FLASH_Sector_22 ((uint16_t)0x00D0) /*!< Sector Number 22 */
  133. #define FLASH_Sector_23 ((uint16_t)0x00D8) /*!< Sector Number 23 */
  134. #define IS_FLASH_SECTOR(SECTOR) (((SECTOR) == FLASH_Sector_0) || ((SECTOR) == FLASH_Sector_1) ||\
  135. ((SECTOR) == FLASH_Sector_2) || ((SECTOR) == FLASH_Sector_3) ||\
  136. ((SECTOR) == FLASH_Sector_4) || ((SECTOR) == FLASH_Sector_5) ||\
  137. ((SECTOR) == FLASH_Sector_6) || ((SECTOR) == FLASH_Sector_7) ||\
  138. ((SECTOR) == FLASH_Sector_8) || ((SECTOR) == FLASH_Sector_9) ||\
  139. ((SECTOR) == FLASH_Sector_10) || ((SECTOR) == FLASH_Sector_11) ||\
  140. ((SECTOR) == FLASH_Sector_12) || ((SECTOR) == FLASH_Sector_13) ||\
  141. ((SECTOR) == FLASH_Sector_14) || ((SECTOR) == FLASH_Sector_15) ||\
  142. ((SECTOR) == FLASH_Sector_16) || ((SECTOR) == FLASH_Sector_17) ||\
  143. ((SECTOR) == FLASH_Sector_18) || ((SECTOR) == FLASH_Sector_19) ||\
  144. ((SECTOR) == FLASH_Sector_20) || ((SECTOR) == FLASH_Sector_21) ||\
  145. ((SECTOR) == FLASH_Sector_22) || ((SECTOR) == FLASH_Sector_23))
  146. #if defined (STM32F427_437xx) || defined (STM32F429_439xx) || defined (STM32F469_479xx)
  147. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x081FFFFF)) ||\
  148. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  149. #endif /* STM32F427_437xx || STM32F429_439xx || STM32F469_479xx */
  150. #if defined (STM32F40_41xxx) || defined(STM32F412xG)
  151. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x080FFFFF)) ||\
  152. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  153. #endif /* STM32F40_41xxx || STM32F412xG */
  154. #if defined (STM32F401xx)
  155. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0803FFFF)) ||\
  156. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  157. #endif /* STM32F401xx */
  158. #if defined (STM32F411xE) || defined (STM32F446xx)
  159. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0807FFFF)) ||\
  160. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  161. #endif /* STM32F411xE || STM32F446xx */
  162. #if defined (STM32F410xx)
  163. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0801FFFF)) ||\
  164. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  165. #endif /* STM32F410xx */
  166. #if defined(STM32F413_423xx)
  167. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0817FFFF)) ||\
  168. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7BDF)))
  169. #endif /* STM32F413_423xx */
  170. /**
  171. * @}
  172. */
  173. /** @defgroup Option_Bytes_Write_Protection
  174. * @{
  175. */
  176. #define OB_WRP_Sector_0 ((uint32_t)0x00000001) /*!< Write protection of Sector0 */
  177. #define OB_WRP_Sector_1 ((uint32_t)0x00000002) /*!< Write protection of Sector1 */
  178. #define OB_WRP_Sector_2 ((uint32_t)0x00000004) /*!< Write protection of Sector2 */
  179. #define OB_WRP_Sector_3 ((uint32_t)0x00000008) /*!< Write protection of Sector3 */
  180. #define OB_WRP_Sector_4 ((uint32_t)0x00000010) /*!< Write protection of Sector4 */
  181. #define OB_WRP_Sector_5 ((uint32_t)0x00000020) /*!< Write protection of Sector5 */
  182. #define OB_WRP_Sector_6 ((uint32_t)0x00000040) /*!< Write protection of Sector6 */
  183. #define OB_WRP_Sector_7 ((uint32_t)0x00000080) /*!< Write protection of Sector7 */
  184. #define OB_WRP_Sector_8 ((uint32_t)0x00000100) /*!< Write protection of Sector8 */
  185. #define OB_WRP_Sector_9 ((uint32_t)0x00000200) /*!< Write protection of Sector9 */
  186. #define OB_WRP_Sector_10 ((uint32_t)0x00000400) /*!< Write protection of Sector10 */
  187. #define OB_WRP_Sector_11 ((uint32_t)0x00000800) /*!< Write protection of Sector11 */
  188. #define OB_WRP_Sector_12 ((uint32_t)0x00000001) /*!< Write protection of Sector12 */
  189. #define OB_WRP_Sector_13 ((uint32_t)0x00000002) /*!< Write protection of Sector13 */
  190. #define OB_WRP_Sector_14 ((uint32_t)0x00000004) /*!< Write protection of Sector14 */
  191. #define OB_WRP_Sector_15 ((uint32_t)0x00000008) /*!< Write protection of Sector15 */
  192. #define OB_WRP_Sector_16 ((uint32_t)0x00000010) /*!< Write protection of Sector16 */
  193. #define OB_WRP_Sector_17 ((uint32_t)0x00000020) /*!< Write protection of Sector17 */
  194. #define OB_WRP_Sector_18 ((uint32_t)0x00000040) /*!< Write protection of Sector18 */
  195. #define OB_WRP_Sector_19 ((uint32_t)0x00000080) /*!< Write protection of Sector19 */
  196. #define OB_WRP_Sector_20 ((uint32_t)0x00000100) /*!< Write protection of Sector20 */
  197. #define OB_WRP_Sector_21 ((uint32_t)0x00000200) /*!< Write protection of Sector21 */
  198. #define OB_WRP_Sector_22 ((uint32_t)0x00000400) /*!< Write protection of Sector22 */
  199. #define OB_WRP_Sector_23 ((uint32_t)0x00000800) /*!< Write protection of Sector23 */
  200. #define OB_WRP_Sector_All ((uint32_t)0x00000FFF) /*!< Write protection of all Sectors */
  201. #define IS_OB_WRP(SECTOR)((((SECTOR) & (uint32_t)0xFFFFF000) == 0x00000000) && ((SECTOR) != 0x00000000))
  202. /**
  203. * @}
  204. */
  205. /** @defgroup Selection_Protection_Mode
  206. * @{
  207. */
  208. #define OB_PcROP_Disable ((uint8_t)0x00) /*!< Disabled PcROP, nWPRi bits used for Write Protection on sector i */
  209. #define OB_PcROP_Enable ((uint8_t)0x80) /*!< Enable PcROP, nWPRi bits used for PCRoP Protection on sector i */
  210. #define IS_OB_PCROP_SELECT(PCROP) (((PCROP) == OB_PcROP_Disable) || ((PCROP) == OB_PcROP_Enable))
  211. /**
  212. * @}
  213. */
  214. /** @defgroup Option_Bytes_PC_ReadWrite_Protection
  215. * @{
  216. */
  217. #define OB_PCROP_Sector_0 ((uint32_t)0x00000001) /*!< PC Read/Write protection of Sector0 */
  218. #define OB_PCROP_Sector_1 ((uint32_t)0x00000002) /*!< PC Read/Write protection of Sector1 */
  219. #define OB_PCROP_Sector_2 ((uint32_t)0x00000004) /*!< PC Read/Write protection of Sector2 */
  220. #define OB_PCROP_Sector_3 ((uint32_t)0x00000008) /*!< PC Read/Write protection of Sector3 */
  221. #define OB_PCROP_Sector_4 ((uint32_t)0x00000010) /*!< PC Read/Write protection of Sector4 */
  222. #define OB_PCROP_Sector_5 ((uint32_t)0x00000020) /*!< PC Read/Write protection of Sector5 */
  223. #define OB_PCROP_Sector_6 ((uint32_t)0x00000040) /*!< PC Read/Write protection of Sector6 */
  224. #define OB_PCROP_Sector_7 ((uint32_t)0x00000080) /*!< PC Read/Write protection of Sector7 */
  225. #define OB_PCROP_Sector_8 ((uint32_t)0x00000100) /*!< PC Read/Write protection of Sector8 */
  226. #define OB_PCROP_Sector_9 ((uint32_t)0x00000200) /*!< PC Read/Write protection of Sector9 */
  227. #define OB_PCROP_Sector_10 ((uint32_t)0x00000400) /*!< PC Read/Write protection of Sector10 */
  228. #define OB_PCROP_Sector_11 ((uint32_t)0x00000800) /*!< PC Read/Write protection of Sector11 */
  229. #define OB_PCROP_Sector_12 ((uint32_t)0x00000001) /*!< PC Read/Write protection of Sector12 */
  230. #define OB_PCROP_Sector_13 ((uint32_t)0x00000002) /*!< PC Read/Write protection of Sector13 */
  231. #define OB_PCROP_Sector_14 ((uint32_t)0x00000004) /*!< PC Read/Write protection of Sector14 */
  232. #define OB_PCROP_Sector_15 ((uint32_t)0x00000008) /*!< PC Read/Write protection of Sector15 */
  233. #define OB_PCROP_Sector_16 ((uint32_t)0x00000010) /*!< PC Read/Write protection of Sector16 */
  234. #define OB_PCROP_Sector_17 ((uint32_t)0x00000020) /*!< PC Read/Write protection of Sector17 */
  235. #define OB_PCROP_Sector_18 ((uint32_t)0x00000040) /*!< PC Read/Write protection of Sector18 */
  236. #define OB_PCROP_Sector_19 ((uint32_t)0x00000080) /*!< PC Read/Write protection of Sector19 */
  237. #define OB_PCROP_Sector_20 ((uint32_t)0x00000100) /*!< PC Read/Write protection of Sector20 */
  238. #define OB_PCROP_Sector_21 ((uint32_t)0x00000200) /*!< PC Read/Write protection of Sector21 */
  239. #define OB_PCROP_Sector_22 ((uint32_t)0x00000400) /*!< PC Read/Write protection of Sector22 */
  240. #define OB_PCROP_Sector_23 ((uint32_t)0x00000800) /*!< PC Read/Write protection of Sector23 */
  241. #define OB_PCROP_Sector_All ((uint32_t)0x00000FFF) /*!< PC Read/Write protection of all Sectors */
  242. #define IS_OB_PCROP(SECTOR)((((SECTOR) & (uint32_t)0xFFFFF000) == 0x00000000) && ((SECTOR) != 0x00000000))
  243. /**
  244. * @}
  245. */
  246. /** @defgroup FLASH_Option_Bytes_Read_Protection
  247. * @{
  248. */
  249. #define OB_RDP_Level_0 ((uint8_t)0xAA)
  250. #define OB_RDP_Level_1 ((uint8_t)0x55)
  251. /*#define OB_RDP_Level_2 ((uint8_t)0xCC)*/ /*!< Warning: When enabling read protection level 2
  252. it's no more possible to go back to level 1 or 0 */
  253. #define IS_OB_RDP(LEVEL) (((LEVEL) == OB_RDP_Level_0)||\
  254. ((LEVEL) == OB_RDP_Level_1))/*||\
  255. ((LEVEL) == OB_RDP_Level_2))*/
  256. /**
  257. * @}
  258. */
  259. /** @defgroup FLASH_Option_Bytes_IWatchdog
  260. * @{
  261. */
  262. #define OB_IWDG_SW ((uint8_t)0x20) /*!< Software IWDG selected */
  263. #define OB_IWDG_HW ((uint8_t)0x00) /*!< Hardware IWDG selected */
  264. #define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW))
  265. /**
  266. * @}
  267. */
  268. /** @defgroup FLASH_Option_Bytes_nRST_STOP
  269. * @{
  270. */
  271. #define OB_STOP_NoRST ((uint8_t)0x40) /*!< No reset generated when entering in STOP */
  272. #define OB_STOP_RST ((uint8_t)0x00) /*!< Reset generated when entering in STOP */
  273. #define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST))
  274. /**
  275. * @}
  276. */
  277. /** @defgroup FLASH_Option_Bytes_nRST_STDBY
  278. * @{
  279. */
  280. #define OB_STDBY_NoRST ((uint8_t)0x80) /*!< No reset generated when entering in STANDBY */
  281. #define OB_STDBY_RST ((uint8_t)0x00) /*!< Reset generated when entering in STANDBY */
  282. #define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST))
  283. /**
  284. * @}
  285. */
  286. /** @defgroup FLASH_BOR_Reset_Level
  287. * @{
  288. */
  289. #define OB_BOR_LEVEL3 ((uint8_t)0x00) /*!< Supply voltage ranges from 2.70 to 3.60 V */
  290. #define OB_BOR_LEVEL2 ((uint8_t)0x04) /*!< Supply voltage ranges from 2.40 to 2.70 V */
  291. #define OB_BOR_LEVEL1 ((uint8_t)0x08) /*!< Supply voltage ranges from 2.10 to 2.40 V */
  292. #define OB_BOR_OFF ((uint8_t)0x0C) /*!< Supply voltage ranges from 1.62 to 2.10 V */
  293. #define IS_OB_BOR(LEVEL) (((LEVEL) == OB_BOR_LEVEL1) || ((LEVEL) == OB_BOR_LEVEL2) ||\
  294. ((LEVEL) == OB_BOR_LEVEL3) || ((LEVEL) == OB_BOR_OFF))
  295. /**
  296. * @}
  297. */
  298. /** @defgroup FLASH_Dual_Boot
  299. * @{
  300. */
  301. #define OB_Dual_BootEnabled ((uint8_t)0x10) /*!< Dual Bank Boot Enable */
  302. #define OB_Dual_BootDisabled ((uint8_t)0x00) /*!< Dual Bank Boot Disable, always boot on User Flash */
  303. #define IS_OB_BOOT(BOOT) (((BOOT) == OB_Dual_BootEnabled) || ((BOOT) == OB_Dual_BootDisabled))
  304. /**
  305. * @}
  306. */
  307. /** @defgroup FLASH_Interrupts
  308. * @{
  309. */
  310. #define FLASH_IT_EOP ((uint32_t)0x01000000) /*!< End of FLASH Operation Interrupt source */
  311. #define FLASH_IT_ERR ((uint32_t)0x02000000) /*!< Error Interrupt source */
  312. #define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0xFCFFFFFF) == 0x00000000) && ((IT) != 0x00000000))
  313. /**
  314. * @}
  315. */
  316. /** @defgroup FLASH_Flags
  317. * @{
  318. */
  319. #define FLASH_FLAG_EOP ((uint32_t)0x00000001) /*!< FLASH End of Operation flag */
  320. #define FLASH_FLAG_OPERR ((uint32_t)0x00000002) /*!< FLASH operation Error flag */
  321. #define FLASH_FLAG_WRPERR ((uint32_t)0x00000010) /*!< FLASH Write protected error flag */
  322. #define FLASH_FLAG_PGAERR ((uint32_t)0x00000020) /*!< FLASH Programming Alignment error flag */
  323. #define FLASH_FLAG_PGPERR ((uint32_t)0x00000040) /*!< FLASH Programming Parallelism error flag */
  324. #define FLASH_FLAG_PGSERR ((uint32_t)0x00000080) /*!< FLASH Programming Sequence error flag */
  325. #define FLASH_FLAG_RDERR ((uint32_t)0x00000100) /*!< Read Protection error flag (PCROP) */
  326. #define FLASH_FLAG_BSY ((uint32_t)0x00010000) /*!< FLASH Busy flag */
  327. #define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFE0C) == 0x00000000) && ((FLAG) != 0x00000000))
  328. #define IS_FLASH_GET_FLAG(FLAG) (((FLAG) == FLASH_FLAG_EOP) || ((FLAG) == FLASH_FLAG_OPERR) || \
  329. ((FLAG) == FLASH_FLAG_WRPERR) || ((FLAG) == FLASH_FLAG_PGAERR) || \
  330. ((FLAG) == FLASH_FLAG_PGPERR) || ((FLAG) == FLASH_FLAG_PGSERR) || \
  331. ((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_RDERR))
  332. /**
  333. * @}
  334. */
  335. /** @defgroup FLASH_Program_Parallelism
  336. * @{
  337. */
  338. #define FLASH_PSIZE_BYTE ((uint32_t)0x00000000)
  339. #define FLASH_PSIZE_HALF_WORD ((uint32_t)0x00000100)
  340. #define FLASH_PSIZE_WORD ((uint32_t)0x00000200)
  341. #define FLASH_PSIZE_DOUBLE_WORD ((uint32_t)0x00000300)
  342. #define CR_PSIZE_MASK ((uint32_t)0xFFFFFCFF)
  343. /**
  344. * @}
  345. */
  346. /** @defgroup FLASH_Keys
  347. * @{
  348. */
  349. #define RDP_KEY ((uint16_t)0x00A5)
  350. #define FLASH_KEY1 ((uint32_t)0x45670123)
  351. #define FLASH_KEY2 ((uint32_t)0xCDEF89AB)
  352. #define FLASH_OPT_KEY1 ((uint32_t)0x08192A3B)
  353. #define FLASH_OPT_KEY2 ((uint32_t)0x4C5D6E7F)
  354. /**
  355. * @}
  356. */
  357. /**
  358. * @brief ACR register byte 0 (Bits[7:0]) base address
  359. */
  360. #define ACR_BYTE0_ADDRESS ((uint32_t)0x40023C00)
  361. /**
  362. * @brief OPTCR register byte 0 (Bits[7:0]) base address
  363. */
  364. #define OPTCR_BYTE0_ADDRESS ((uint32_t)0x40023C14)
  365. /**
  366. * @brief OPTCR register byte 1 (Bits[15:8]) base address
  367. */
  368. #define OPTCR_BYTE1_ADDRESS ((uint32_t)0x40023C15)
  369. /**
  370. * @brief OPTCR register byte 2 (Bits[23:16]) base address
  371. */
  372. #define OPTCR_BYTE2_ADDRESS ((uint32_t)0x40023C16)
  373. /**
  374. * @brief OPTCR register byte 3 (Bits[31:24]) base address
  375. */
  376. #define OPTCR_BYTE3_ADDRESS ((uint32_t)0x40023C17)
  377. /**
  378. * @brief OPTCR1 register byte 0 (Bits[7:0]) base address
  379. */
  380. #define OPTCR1_BYTE2_ADDRESS ((uint32_t)0x40023C1A)
  381. /**
  382. * @}
  383. */
  384. /* Exported macro ------------------------------------------------------------*/
  385. /* Exported functions --------------------------------------------------------*/
  386. /* FLASH Interface configuration functions ************************************/
  387. void FLASH_SetLatency(uint32_t FLASH_Latency);
  388. void FLASH_PrefetchBufferCmd(FunctionalState NewState);
  389. void FLASH_InstructionCacheCmd(FunctionalState NewState);
  390. void FLASH_DataCacheCmd(FunctionalState NewState);
  391. void FLASH_InstructionCacheReset(void);
  392. void FLASH_DataCacheReset(void);
  393. /* FLASH Memory Programming functions *****************************************/
  394. void FLASH_Unlock(void);
  395. void FLASH_Lock(void);
  396. FLASH_Status FLASH_EraseSector(uint32_t FLASH_Sector, uint8_t VoltageRange);
  397. FLASH_Status FLASH_EraseAllSectors(uint8_t VoltageRange);
  398. FLASH_Status FLASH_EraseAllBank1Sectors(uint8_t VoltageRange);
  399. FLASH_Status FLASH_EraseAllBank2Sectors(uint8_t VoltageRange);
  400. FLASH_Status FLASH_ProgramDoubleWord(uint32_t Address, uint64_t Data);
  401. FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
  402. FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
  403. FLASH_Status FLASH_ProgramByte(uint32_t Address, uint8_t Data);
  404. /* Option Bytes Programming functions *****************************************/
  405. void FLASH_OB_Unlock(void);
  406. void FLASH_OB_Lock(void);
  407. void FLASH_OB_WRPConfig(uint32_t OB_WRP, FunctionalState NewState);
  408. void FLASH_OB_WRP1Config(uint32_t OB_WRP, FunctionalState NewState);
  409. void FLASH_OB_PCROPSelectionConfig(uint8_t OB_PcROP);
  410. void FLASH_OB_PCROPConfig(uint32_t OB_PCROP, FunctionalState NewState);
  411. void FLASH_OB_PCROP1Config(uint32_t OB_PCROP, FunctionalState NewState);
  412. void FLASH_OB_RDPConfig(uint8_t OB_RDP);
  413. void FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
  414. void FLASH_OB_BORConfig(uint8_t OB_BOR);
  415. void FLASH_OB_BootConfig(uint8_t OB_BOOT);
  416. FLASH_Status FLASH_OB_Launch(void);
  417. uint8_t FLASH_OB_GetUser(void);
  418. uint16_t FLASH_OB_GetWRP(void);
  419. uint16_t FLASH_OB_GetWRP1(void);
  420. uint16_t FLASH_OB_GetPCROP(void);
  421. uint16_t FLASH_OB_GetPCROP1(void);
  422. FlagStatus FLASH_OB_GetRDP(void);
  423. uint8_t FLASH_OB_GetBOR(void);
  424. /* Interrupts and flags management functions **********************************/
  425. void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);
  426. FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);
  427. void FLASH_ClearFlag(uint32_t FLASH_FLAG);
  428. FLASH_Status FLASH_GetStatus(void);
  429. FLASH_Status FLASH_WaitForLastOperation(void);
  430. #ifdef __cplusplus
  431. }
  432. #endif
  433. #endif /* __STM32F4xx_FLASH_H */
  434. /**
  435. * @}
  436. */
  437. /**
  438. * @}
  439. */