stm32f4xx_flash.h 24 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_flash.h
  4. * @author MCD Application Team
  5. * @version V1.5.0
  6. * @date 06-March-2015
  7. * @brief This file contains all the functions prototypes for the FLASH
  8. * firmware library.
  9. ******************************************************************************
  10. * @attention
  11. *
  12. * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
  13. *
  14. * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  15. * You may not use this file except in compliance with the License.
  16. * You may obtain a copy of the License at:
  17. *
  18. * http://www.st.com/software_license_agreement_liberty_v2
  19. *
  20. * Unless required by applicable law or agreed to in writing, software
  21. * distributed under the License is distributed on an "AS IS" BASIS,
  22. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  23. * See the License for the specific language governing permissions and
  24. * limitations under the License.
  25. *
  26. ******************************************************************************
  27. */
  28. /* Define to prevent recursive inclusion -------------------------------------*/
  29. #ifndef __STM32F4xx_FLASH_H
  30. #define __STM32F4xx_FLASH_H
  31. #ifdef __cplusplus
  32. extern "C" {
  33. #endif
  34. /* Includes ------------------------------------------------------------------*/
  35. #include "stm32f4xx.h"
  36. /** @addtogroup STM32F4xx_StdPeriph_Driver
  37. * @{
  38. */
  39. /** @addtogroup FLASH
  40. * @{
  41. */
  42. /* Exported types ------------------------------------------------------------*/
  43. /**
  44. * @brief FLASH Status
  45. */
  46. typedef enum
  47. {
  48. FLASH_BUSY = 1,
  49. FLASH_ERROR_RD,
  50. FLASH_ERROR_PGS,
  51. FLASH_ERROR_PGP,
  52. FLASH_ERROR_PGA,
  53. FLASH_ERROR_WRP,
  54. FLASH_ERROR_PROGRAM,
  55. FLASH_ERROR_OPERATION,
  56. FLASH_COMPLETE
  57. }FLASH_Status;
  58. /* Exported constants --------------------------------------------------------*/
  59. /** @defgroup FLASH_Exported_Constants
  60. * @{
  61. */
  62. /** @defgroup Flash_Latency
  63. * @{
  64. */
  65. #define FLASH_Latency_0 ((uint8_t)0x0000) /*!< FLASH Zero Latency cycle */
  66. #define FLASH_Latency_1 ((uint8_t)0x0001) /*!< FLASH One Latency cycle */
  67. #define FLASH_Latency_2 ((uint8_t)0x0002) /*!< FLASH Two Latency cycles */
  68. #define FLASH_Latency_3 ((uint8_t)0x0003) /*!< FLASH Three Latency cycles */
  69. #define FLASH_Latency_4 ((uint8_t)0x0004) /*!< FLASH Four Latency cycles */
  70. #define FLASH_Latency_5 ((uint8_t)0x0005) /*!< FLASH Five Latency cycles */
  71. #define FLASH_Latency_6 ((uint8_t)0x0006) /*!< FLASH Six Latency cycles */
  72. #define FLASH_Latency_7 ((uint8_t)0x0007) /*!< FLASH Seven Latency cycles */
  73. #define FLASH_Latency_8 ((uint8_t)0x0008) /*!< FLASH Eight Latency cycles */
  74. #define FLASH_Latency_9 ((uint8_t)0x0009) /*!< FLASH Nine Latency cycles */
  75. #define FLASH_Latency_10 ((uint8_t)0x000A) /*!< FLASH Ten Latency cycles */
  76. #define FLASH_Latency_11 ((uint8_t)0x000B) /*!< FLASH Eleven Latency cycles */
  77. #define FLASH_Latency_12 ((uint8_t)0x000C) /*!< FLASH Twelve Latency cycles */
  78. #define FLASH_Latency_13 ((uint8_t)0x000D) /*!< FLASH Thirteen Latency cycles */
  79. #define FLASH_Latency_14 ((uint8_t)0x000E) /*!< FLASH Fourteen Latency cycles */
  80. #define FLASH_Latency_15 ((uint8_t)0x000F) /*!< FLASH Fifteen Latency cycles */
  81. #define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \
  82. ((LATENCY) == FLASH_Latency_1) || \
  83. ((LATENCY) == FLASH_Latency_2) || \
  84. ((LATENCY) == FLASH_Latency_3) || \
  85. ((LATENCY) == FLASH_Latency_4) || \
  86. ((LATENCY) == FLASH_Latency_5) || \
  87. ((LATENCY) == FLASH_Latency_6) || \
  88. ((LATENCY) == FLASH_Latency_7) || \
  89. ((LATENCY) == FLASH_Latency_8) || \
  90. ((LATENCY) == FLASH_Latency_9) || \
  91. ((LATENCY) == FLASH_Latency_10) || \
  92. ((LATENCY) == FLASH_Latency_11) || \
  93. ((LATENCY) == FLASH_Latency_12) || \
  94. ((LATENCY) == FLASH_Latency_13) || \
  95. ((LATENCY) == FLASH_Latency_14) || \
  96. ((LATENCY) == FLASH_Latency_15))
  97. /**
  98. * @}
  99. */
  100. /** @defgroup FLASH_Voltage_Range
  101. * @{
  102. */
  103. #define VoltageRange_1 ((uint8_t)0x00) /*!< Device operating range: 1.8V to 2.1V */
  104. #define VoltageRange_2 ((uint8_t)0x01) /*!<Device operating range: 2.1V to 2.7V */
  105. #define VoltageRange_3 ((uint8_t)0x02) /*!<Device operating range: 2.7V to 3.6V */
  106. #define VoltageRange_4 ((uint8_t)0x03) /*!<Device operating range: 2.7V to 3.6V + External Vpp */
  107. #define IS_VOLTAGERANGE(RANGE)(((RANGE) == VoltageRange_1) || \
  108. ((RANGE) == VoltageRange_2) || \
  109. ((RANGE) == VoltageRange_3) || \
  110. ((RANGE) == VoltageRange_4))
  111. /**
  112. * @}
  113. */
  114. /** @defgroup FLASH_Sectors
  115. * @{
  116. */
  117. #define FLASH_Sector_0 ((uint16_t)0x0000) /*!< Sector Number 0 */
  118. #define FLASH_Sector_1 ((uint16_t)0x0008) /*!< Sector Number 1 */
  119. #define FLASH_Sector_2 ((uint16_t)0x0010) /*!< Sector Number 2 */
  120. #define FLASH_Sector_3 ((uint16_t)0x0018) /*!< Sector Number 3 */
  121. #define FLASH_Sector_4 ((uint16_t)0x0020) /*!< Sector Number 4 */
  122. #define FLASH_Sector_5 ((uint16_t)0x0028) /*!< Sector Number 5 */
  123. #define FLASH_Sector_6 ((uint16_t)0x0030) /*!< Sector Number 6 */
  124. #define FLASH_Sector_7 ((uint16_t)0x0038) /*!< Sector Number 7 */
  125. #define FLASH_Sector_8 ((uint16_t)0x0040) /*!< Sector Number 8 */
  126. #define FLASH_Sector_9 ((uint16_t)0x0048) /*!< Sector Number 9 */
  127. #define FLASH_Sector_10 ((uint16_t)0x0050) /*!< Sector Number 10 */
  128. #define FLASH_Sector_11 ((uint16_t)0x0058) /*!< Sector Number 11 */
  129. #define FLASH_Sector_12 ((uint16_t)0x0080) /*!< Sector Number 12 */
  130. #define FLASH_Sector_13 ((uint16_t)0x0088) /*!< Sector Number 13 */
  131. #define FLASH_Sector_14 ((uint16_t)0x0090) /*!< Sector Number 14 */
  132. #define FLASH_Sector_15 ((uint16_t)0x0098) /*!< Sector Number 15 */
  133. #define FLASH_Sector_16 ((uint16_t)0x00A0) /*!< Sector Number 16 */
  134. #define FLASH_Sector_17 ((uint16_t)0x00A8) /*!< Sector Number 17 */
  135. #define FLASH_Sector_18 ((uint16_t)0x00B0) /*!< Sector Number 18 */
  136. #define FLASH_Sector_19 ((uint16_t)0x00B8) /*!< Sector Number 19 */
  137. #define FLASH_Sector_20 ((uint16_t)0x00C0) /*!< Sector Number 20 */
  138. #define FLASH_Sector_21 ((uint16_t)0x00C8) /*!< Sector Number 21 */
  139. #define FLASH_Sector_22 ((uint16_t)0x00D0) /*!< Sector Number 22 */
  140. #define FLASH_Sector_23 ((uint16_t)0x00D8) /*!< Sector Number 23 */
  141. #define IS_FLASH_SECTOR(SECTOR) (((SECTOR) == FLASH_Sector_0) || ((SECTOR) == FLASH_Sector_1) ||\
  142. ((SECTOR) == FLASH_Sector_2) || ((SECTOR) == FLASH_Sector_3) ||\
  143. ((SECTOR) == FLASH_Sector_4) || ((SECTOR) == FLASH_Sector_5) ||\
  144. ((SECTOR) == FLASH_Sector_6) || ((SECTOR) == FLASH_Sector_7) ||\
  145. ((SECTOR) == FLASH_Sector_8) || ((SECTOR) == FLASH_Sector_9) ||\
  146. ((SECTOR) == FLASH_Sector_10) || ((SECTOR) == FLASH_Sector_11) ||\
  147. ((SECTOR) == FLASH_Sector_12) || ((SECTOR) == FLASH_Sector_13) ||\
  148. ((SECTOR) == FLASH_Sector_14) || ((SECTOR) == FLASH_Sector_15) ||\
  149. ((SECTOR) == FLASH_Sector_16) || ((SECTOR) == FLASH_Sector_17) ||\
  150. ((SECTOR) == FLASH_Sector_18) || ((SECTOR) == FLASH_Sector_19) ||\
  151. ((SECTOR) == FLASH_Sector_20) || ((SECTOR) == FLASH_Sector_21) ||\
  152. ((SECTOR) == FLASH_Sector_22) || ((SECTOR) == FLASH_Sector_23))
  153. #if defined (STM32F427_437xx) || defined (STM32F429_439xx)
  154. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x081FFFFF)) ||\
  155. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  156. #endif /* STM32F427_437xx || STM32F429_439xx */
  157. #if defined (STM32F40_41xxx)
  158. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x080FFFFF)) ||\
  159. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  160. #endif /* STM32F40_41xxx */
  161. #if defined (STM32F401xx)
  162. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0803FFFF)) ||\
  163. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  164. #endif /* STM32F401xx */
  165. #if defined (STM32F411xE) || defined (STM32F446xx)
  166. #define IS_FLASH_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0807FFFF)) ||\
  167. (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) <= 0x1FFF7A0F)))
  168. #endif /* STM32F411xE */
  169. /**
  170. * @}
  171. */
  172. /** @defgroup Option_Bytes_Write_Protection
  173. * @{
  174. */
  175. #define OB_WRP_Sector_0 ((uint32_t)0x00000001) /*!< Write protection of Sector0 */
  176. #define OB_WRP_Sector_1 ((uint32_t)0x00000002) /*!< Write protection of Sector1 */
  177. #define OB_WRP_Sector_2 ((uint32_t)0x00000004) /*!< Write protection of Sector2 */
  178. #define OB_WRP_Sector_3 ((uint32_t)0x00000008) /*!< Write protection of Sector3 */
  179. #define OB_WRP_Sector_4 ((uint32_t)0x00000010) /*!< Write protection of Sector4 */
  180. #define OB_WRP_Sector_5 ((uint32_t)0x00000020) /*!< Write protection of Sector5 */
  181. #define OB_WRP_Sector_6 ((uint32_t)0x00000040) /*!< Write protection of Sector6 */
  182. #define OB_WRP_Sector_7 ((uint32_t)0x00000080) /*!< Write protection of Sector7 */
  183. #define OB_WRP_Sector_8 ((uint32_t)0x00000100) /*!< Write protection of Sector8 */
  184. #define OB_WRP_Sector_9 ((uint32_t)0x00000200) /*!< Write protection of Sector9 */
  185. #define OB_WRP_Sector_10 ((uint32_t)0x00000400) /*!< Write protection of Sector10 */
  186. #define OB_WRP_Sector_11 ((uint32_t)0x00000800) /*!< Write protection of Sector11 */
  187. #define OB_WRP_Sector_12 ((uint32_t)0x00000001) /*!< Write protection of Sector12 */
  188. #define OB_WRP_Sector_13 ((uint32_t)0x00000002) /*!< Write protection of Sector13 */
  189. #define OB_WRP_Sector_14 ((uint32_t)0x00000004) /*!< Write protection of Sector14 */
  190. #define OB_WRP_Sector_15 ((uint32_t)0x00000008) /*!< Write protection of Sector15 */
  191. #define OB_WRP_Sector_16 ((uint32_t)0x00000010) /*!< Write protection of Sector16 */
  192. #define OB_WRP_Sector_17 ((uint32_t)0x00000020) /*!< Write protection of Sector17 */
  193. #define OB_WRP_Sector_18 ((uint32_t)0x00000040) /*!< Write protection of Sector18 */
  194. #define OB_WRP_Sector_19 ((uint32_t)0x00000080) /*!< Write protection of Sector19 */
  195. #define OB_WRP_Sector_20 ((uint32_t)0x00000100) /*!< Write protection of Sector20 */
  196. #define OB_WRP_Sector_21 ((uint32_t)0x00000200) /*!< Write protection of Sector21 */
  197. #define OB_WRP_Sector_22 ((uint32_t)0x00000400) /*!< Write protection of Sector22 */
  198. #define OB_WRP_Sector_23 ((uint32_t)0x00000800) /*!< Write protection of Sector23 */
  199. #define OB_WRP_Sector_All ((uint32_t)0x00000FFF) /*!< Write protection of all Sectors */
  200. #define IS_OB_WRP(SECTOR)((((SECTOR) & (uint32_t)0xFFFFF000) == 0x00000000) && ((SECTOR) != 0x00000000))
  201. /**
  202. * @}
  203. */
  204. /** @defgroup Selection_Protection_Mode
  205. * @{
  206. */
  207. #define OB_PcROP_Disable ((uint8_t)0x00) /*!< Disabled PcROP, nWPRi bits used for Write Protection on sector i */
  208. #define OB_PcROP_Enable ((uint8_t)0x80) /*!< Enable PcROP, nWPRi bits used for PCRoP Protection on sector i */
  209. #define IS_OB_PCROP_SELECT(PCROP) (((PCROP) == OB_PcROP_Disable) || ((PCROP) == OB_PcROP_Enable))
  210. /**
  211. * @}
  212. */
  213. /** @defgroup Option_Bytes_PC_ReadWrite_Protection
  214. * @{
  215. */
  216. #define OB_PCROP_Sector_0 ((uint32_t)0x00000001) /*!< PC Read/Write protection of Sector0 */
  217. #define OB_PCROP_Sector_1 ((uint32_t)0x00000002) /*!< PC Read/Write protection of Sector1 */
  218. #define OB_PCROP_Sector_2 ((uint32_t)0x00000004) /*!< PC Read/Write protection of Sector2 */
  219. #define OB_PCROP_Sector_3 ((uint32_t)0x00000008) /*!< PC Read/Write protection of Sector3 */
  220. #define OB_PCROP_Sector_4 ((uint32_t)0x00000010) /*!< PC Read/Write protection of Sector4 */
  221. #define OB_PCROP_Sector_5 ((uint32_t)0x00000020) /*!< PC Read/Write protection of Sector5 */
  222. #define OB_PCROP_Sector_6 ((uint32_t)0x00000040) /*!< PC Read/Write protection of Sector6 */
  223. #define OB_PCROP_Sector_7 ((uint32_t)0x00000080) /*!< PC Read/Write protection of Sector7 */
  224. #define OB_PCROP_Sector_8 ((uint32_t)0x00000100) /*!< PC Read/Write protection of Sector8 */
  225. #define OB_PCROP_Sector_9 ((uint32_t)0x00000200) /*!< PC Read/Write protection of Sector9 */
  226. #define OB_PCROP_Sector_10 ((uint32_t)0x00000400) /*!< PC Read/Write protection of Sector10 */
  227. #define OB_PCROP_Sector_11 ((uint32_t)0x00000800) /*!< PC Read/Write protection of Sector11 */
  228. #define OB_PCROP_Sector_12 ((uint32_t)0x00000001) /*!< PC Read/Write protection of Sector12 */
  229. #define OB_PCROP_Sector_13 ((uint32_t)0x00000002) /*!< PC Read/Write protection of Sector13 */
  230. #define OB_PCROP_Sector_14 ((uint32_t)0x00000004) /*!< PC Read/Write protection of Sector14 */
  231. #define OB_PCROP_Sector_15 ((uint32_t)0x00000008) /*!< PC Read/Write protection of Sector15 */
  232. #define OB_PCROP_Sector_16 ((uint32_t)0x00000010) /*!< PC Read/Write protection of Sector16 */
  233. #define OB_PCROP_Sector_17 ((uint32_t)0x00000020) /*!< PC Read/Write protection of Sector17 */
  234. #define OB_PCROP_Sector_18 ((uint32_t)0x00000040) /*!< PC Read/Write protection of Sector18 */
  235. #define OB_PCROP_Sector_19 ((uint32_t)0x00000080) /*!< PC Read/Write protection of Sector19 */
  236. #define OB_PCROP_Sector_20 ((uint32_t)0x00000100) /*!< PC Read/Write protection of Sector20 */
  237. #define OB_PCROP_Sector_21 ((uint32_t)0x00000200) /*!< PC Read/Write protection of Sector21 */
  238. #define OB_PCROP_Sector_22 ((uint32_t)0x00000400) /*!< PC Read/Write protection of Sector22 */
  239. #define OB_PCROP_Sector_23 ((uint32_t)0x00000800) /*!< PC Read/Write protection of Sector23 */
  240. #define OB_PCROP_Sector_All ((uint32_t)0x00000FFF) /*!< PC Read/Write protection of all Sectors */
  241. #define IS_OB_PCROP(SECTOR)((((SECTOR) & (uint32_t)0xFFFFF000) == 0x00000000) && ((SECTOR) != 0x00000000))
  242. /**
  243. * @}
  244. */
  245. /** @defgroup FLASH_Option_Bytes_Read_Protection
  246. * @{
  247. */
  248. #define OB_RDP_Level_0 ((uint8_t)0xAA)
  249. #define OB_RDP_Level_1 ((uint8_t)0x55)
  250. /*#define OB_RDP_Level_2 ((uint8_t)0xCC)*/ /*!< Warning: When enabling read protection level 2
  251. it's no more possible to go back to level 1 or 0 */
  252. #define IS_OB_RDP(LEVEL) (((LEVEL) == OB_RDP_Level_0)||\
  253. ((LEVEL) == OB_RDP_Level_1))/*||\
  254. ((LEVEL) == OB_RDP_Level_2))*/
  255. /**
  256. * @}
  257. */
  258. /** @defgroup FLASH_Option_Bytes_IWatchdog
  259. * @{
  260. */
  261. #define OB_IWDG_SW ((uint8_t)0x20) /*!< Software IWDG selected */
  262. #define OB_IWDG_HW ((uint8_t)0x00) /*!< Hardware IWDG selected */
  263. #define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW))
  264. /**
  265. * @}
  266. */
  267. /** @defgroup FLASH_Option_Bytes_nRST_STOP
  268. * @{
  269. */
  270. #define OB_STOP_NoRST ((uint8_t)0x40) /*!< No reset generated when entering in STOP */
  271. #define OB_STOP_RST ((uint8_t)0x00) /*!< Reset generated when entering in STOP */
  272. #define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST))
  273. /**
  274. * @}
  275. */
  276. /** @defgroup FLASH_Option_Bytes_nRST_STDBY
  277. * @{
  278. */
  279. #define OB_STDBY_NoRST ((uint8_t)0x80) /*!< No reset generated when entering in STANDBY */
  280. #define OB_STDBY_RST ((uint8_t)0x00) /*!< Reset generated when entering in STANDBY */
  281. #define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST))
  282. /**
  283. * @}
  284. */
  285. /** @defgroup FLASH_BOR_Reset_Level
  286. * @{
  287. */
  288. #define OB_BOR_LEVEL3 ((uint8_t)0x00) /*!< Supply voltage ranges from 2.70 to 3.60 V */
  289. #define OB_BOR_LEVEL2 ((uint8_t)0x04) /*!< Supply voltage ranges from 2.40 to 2.70 V */
  290. #define OB_BOR_LEVEL1 ((uint8_t)0x08) /*!< Supply voltage ranges from 2.10 to 2.40 V */
  291. #define OB_BOR_OFF ((uint8_t)0x0C) /*!< Supply voltage ranges from 1.62 to 2.10 V */
  292. #define IS_OB_BOR(LEVEL) (((LEVEL) == OB_BOR_LEVEL1) || ((LEVEL) == OB_BOR_LEVEL2) ||\
  293. ((LEVEL) == OB_BOR_LEVEL3) || ((LEVEL) == OB_BOR_OFF))
  294. /**
  295. * @}
  296. */
  297. /** @defgroup FLASH_Dual_Boot
  298. * @{
  299. */
  300. #define OB_Dual_BootEnabled ((uint8_t)0x10) /*!< Dual Bank Boot Enable */
  301. #define OB_Dual_BootDisabled ((uint8_t)0x00) /*!< Dual Bank Boot Disable, always boot on User Flash */
  302. #define IS_OB_BOOT(BOOT) (((BOOT) == OB_Dual_BootEnabled) || ((BOOT) == OB_Dual_BootDisabled))
  303. /**
  304. * @}
  305. */
  306. /** @defgroup FLASH_Interrupts
  307. * @{
  308. */
  309. #define FLASH_IT_EOP ((uint32_t)0x01000000) /*!< End of FLASH Operation Interrupt source */
  310. #define FLASH_IT_ERR ((uint32_t)0x02000000) /*!< Error Interrupt source */
  311. #define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0xFCFFFFFF) == 0x00000000) && ((IT) != 0x00000000))
  312. /**
  313. * @}
  314. */
  315. /** @defgroup FLASH_Flags
  316. * @{
  317. */
  318. #define FLASH_FLAG_EOP ((uint32_t)0x00000001) /*!< FLASH End of Operation flag */
  319. #define FLASH_FLAG_OPERR ((uint32_t)0x00000002) /*!< FLASH operation Error flag */
  320. #define FLASH_FLAG_WRPERR ((uint32_t)0x00000010) /*!< FLASH Write protected error flag */
  321. #define FLASH_FLAG_PGAERR ((uint32_t)0x00000020) /*!< FLASH Programming Alignment error flag */
  322. #define FLASH_FLAG_PGPERR ((uint32_t)0x00000040) /*!< FLASH Programming Parallelism error flag */
  323. #define FLASH_FLAG_PGSERR ((uint32_t)0x00000080) /*!< FLASH Programming Sequence error flag */
  324. #define FLASH_FLAG_RDERR ((uint32_t)0x00000100) /*!< Read Protection error flag (PCROP) */
  325. #define FLASH_FLAG_BSY ((uint32_t)0x00010000) /*!< FLASH Busy flag */
  326. #define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFE0C) == 0x00000000) && ((FLAG) != 0x00000000))
  327. #define IS_FLASH_GET_FLAG(FLAG) (((FLAG) == FLASH_FLAG_EOP) || ((FLAG) == FLASH_FLAG_OPERR) || \
  328. ((FLAG) == FLASH_FLAG_WRPERR) || ((FLAG) == FLASH_FLAG_PGAERR) || \
  329. ((FLAG) == FLASH_FLAG_PGPERR) || ((FLAG) == FLASH_FLAG_PGSERR) || \
  330. ((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_RDERR))
  331. /**
  332. * @}
  333. */
  334. /** @defgroup FLASH_Program_Parallelism
  335. * @{
  336. */
  337. #define FLASH_PSIZE_BYTE ((uint32_t)0x00000000)
  338. #define FLASH_PSIZE_HALF_WORD ((uint32_t)0x00000100)
  339. #define FLASH_PSIZE_WORD ((uint32_t)0x00000200)
  340. #define FLASH_PSIZE_DOUBLE_WORD ((uint32_t)0x00000300)
  341. #define CR_PSIZE_MASK ((uint32_t)0xFFFFFCFF)
  342. /**
  343. * @}
  344. */
  345. /** @defgroup FLASH_Keys
  346. * @{
  347. */
  348. #define RDP_KEY ((uint16_t)0x00A5)
  349. #define FLASH_KEY1 ((uint32_t)0x45670123)
  350. #define FLASH_KEY2 ((uint32_t)0xCDEF89AB)
  351. #define FLASH_OPT_KEY1 ((uint32_t)0x08192A3B)
  352. #define FLASH_OPT_KEY2 ((uint32_t)0x4C5D6E7F)
  353. /**
  354. * @}
  355. */
  356. /**
  357. * @brief ACR register byte 0 (Bits[7:0]) base address
  358. */
  359. #define ACR_BYTE0_ADDRESS ((uint32_t)0x40023C00)
  360. /**
  361. * @brief OPTCR register byte 0 (Bits[7:0]) base address
  362. */
  363. #define OPTCR_BYTE0_ADDRESS ((uint32_t)0x40023C14)
  364. /**
  365. * @brief OPTCR register byte 1 (Bits[15:8]) base address
  366. */
  367. #define OPTCR_BYTE1_ADDRESS ((uint32_t)0x40023C15)
  368. /**
  369. * @brief OPTCR register byte 2 (Bits[23:16]) base address
  370. */
  371. #define OPTCR_BYTE2_ADDRESS ((uint32_t)0x40023C16)
  372. /**
  373. * @brief OPTCR register byte 3 (Bits[31:24]) base address
  374. */
  375. #define OPTCR_BYTE3_ADDRESS ((uint32_t)0x40023C17)
  376. /**
  377. * @brief OPTCR1 register byte 0 (Bits[7:0]) base address
  378. */
  379. #define OPTCR1_BYTE2_ADDRESS ((uint32_t)0x40023C1A)
  380. /**
  381. * @}
  382. */
  383. /* Exported macro ------------------------------------------------------------*/
  384. /* Exported functions --------------------------------------------------------*/
  385. /* FLASH Interface configuration functions ************************************/
  386. void FLASH_SetLatency(uint32_t FLASH_Latency);
  387. void FLASH_PrefetchBufferCmd(FunctionalState NewState);
  388. void FLASH_InstructionCacheCmd(FunctionalState NewState);
  389. void FLASH_DataCacheCmd(FunctionalState NewState);
  390. void FLASH_InstructionCacheReset(void);
  391. void FLASH_DataCacheReset(void);
  392. /* FLASH Memory Programming functions *****************************************/
  393. void FLASH_Unlock(void);
  394. void FLASH_Lock(void);
  395. FLASH_Status FLASH_EraseSector(uint32_t FLASH_Sector, uint8_t VoltageRange);
  396. FLASH_Status FLASH_EraseAllSectors(uint8_t VoltageRange);
  397. FLASH_Status FLASH_EraseAllBank1Sectors(uint8_t VoltageRange);
  398. FLASH_Status FLASH_EraseAllBank2Sectors(uint8_t VoltageRange);
  399. FLASH_Status FLASH_ProgramDoubleWord(uint32_t Address, uint64_t Data);
  400. FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
  401. FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
  402. FLASH_Status FLASH_ProgramByte(uint32_t Address, uint8_t Data);
  403. /* Option Bytes Programming functions *****************************************/
  404. void FLASH_OB_Unlock(void);
  405. void FLASH_OB_Lock(void);
  406. void FLASH_OB_WRPConfig(uint32_t OB_WRP, FunctionalState NewState);
  407. void FLASH_OB_WRP1Config(uint32_t OB_WRP, FunctionalState NewState);
  408. void FLASH_OB_PCROPSelectionConfig(uint8_t OB_PcROP);
  409. void FLASH_OB_PCROPConfig(uint32_t OB_PCROP, FunctionalState NewState);
  410. void FLASH_OB_PCROP1Config(uint32_t OB_PCROP, FunctionalState NewState);
  411. void FLASH_OB_RDPConfig(uint8_t OB_RDP);
  412. void FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
  413. void FLASH_OB_BORConfig(uint8_t OB_BOR);
  414. void FLASH_OB_BootConfig(uint8_t OB_BOOT);
  415. FLASH_Status FLASH_OB_Launch(void);
  416. uint8_t FLASH_OB_GetUser(void);
  417. uint16_t FLASH_OB_GetWRP(void);
  418. uint16_t FLASH_OB_GetWRP1(void);
  419. uint16_t FLASH_OB_GetPCROP(void);
  420. uint16_t FLASH_OB_GetPCROP1(void);
  421. FlagStatus FLASH_OB_GetRDP(void);
  422. uint8_t FLASH_OB_GetBOR(void);
  423. /* Interrupts and flags management functions **********************************/
  424. void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);
  425. FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);
  426. void FLASH_ClearFlag(uint32_t FLASH_FLAG);
  427. FLASH_Status FLASH_GetStatus(void);
  428. FLASH_Status FLASH_WaitForLastOperation(void);
  429. #ifdef __cplusplus
  430. }
  431. #endif
  432. #endif /* __STM32F4xx_FLASH_H */
  433. /**
  434. * @}
  435. */
  436. /**
  437. * @}
  438. */
  439. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/