1 /**
2   ******************************************************************************
3   * @file    stm32u0xx_hal_flash.h
4   * @author  MCD Application Team
5   * @brief   Header file of FLASH HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2022 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file in
13   * the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   ******************************************************************************
16   */
17 
18 /* Define to prevent recursive inclusion -------------------------------------*/
19 #ifndef STM32U0xx_HAL_FLASH_H
20 #define STM32U0xx_HAL_FLASH_H
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 /* Includes ------------------------------------------------------------------*/
27 #include "stm32u0xx_hal_def.h"
28 
29 /** @addtogroup STM32U0xx_HAL_Driver
30   * @{
31   */
32 
33 /** @addtogroup FLASH
34   * @{
35   */
36 
37 /* Exported types ------------------------------------------------------------*/
38 /** @defgroup FLASH_Exported_Types FLASH Exported Types
39   * @{
40   */
41 
42 /**
43   * @brief  FLASH Erase structure definition
44   */
45 typedef struct
46 {
47   uint32_t TypeErase;   /*!< Mass erase or page erase.
48                              This parameter can be a value of @ref FLASH_Type_Erase */
49   uint32_t Banks;       /*!< Select bank to erase.
50                              This parameter must be a value of @ref FLASH_Banks
51                              (FLASH_BANK_BOTH should be used only for mass erase) */
52   uint32_t Page;        /*!< Initial Flash page to erase when page erase is enabled
53                              This parameter must be a value between 0 and (FLASH_PAGE_NB - 1) */
54   uint32_t NbPages;     /*!< Number of pages to be erased.
55                              This parameter must be a value between 1 and (FLASH_PAGE_NB - value of initial page)*/
56 } FLASH_EraseInitTypeDef;
57 
58 /**
59   * @brief  FLASH Option Bytes Program structure definition
60   */
61 typedef struct
62 {
63   uint32_t OptionType;        /*!< Option byte to be configured.
64                                    This parameter can be a combination of the values of @ref FLASH_OB_Type */
65   uint32_t WRPArea;           /*!< Write protection area to be programmed (used for OPTIONBYTE_WRP).
66                                    Only one WRP area could be programmed at the same time.
67                                    This parameter can be value of @ref FLASH_OB_WRP_Area */
68   uint32_t WRPStartOffset;    /*!< Write protection start offset (used for OPTIONBYTE_WRP).
69                                    This parameter must be a value between 0 and [FLASH_PAGE_NB - 1]*/
70   uint32_t WRPEndOffset;      /*!< Write protection end offset (used for OPTIONBYTE_WRP).
71                                    This parameter must be a value between WRPStartOffset and [FLASH_PAGE_NB - 1] */
72   uint32_t RDPLevel;          /*!< Set the read protection level (used for OPTIONBYTE_RDP).
73                                    This parameter can be a value of @ref FLASH_OB_Read_Protection */
74   uint32_t USERType;          /*!< User option byte(s) to be configured (used for OPTIONBYTE_USER).
75                                    This parameter can be a combination of @ref FLASH_OB_USER_Type */
76   uint32_t USERConfig;        /*!< Value of the user option byte (used for OPTIONBYTE_USER).
77                                    This parameter can be a combination of
78                                    @ref FLASH_OB_USER_BOR_ENABLE,
79                                    @ref FLASH_OB_USER_BOR_LEVEL,
80                                    @ref FLASH_OB_USER_RESET_CONFIG,
81                                    @ref FLASH_OB_USER_NRST_STOP,
82                                    @ref FLASH_OB_USER_NRST_STANDBY,
83                                    @ref FLASH_OB_USER_NRST_SHUTDOWN,
84                                    @ref FLASH_OB_USER_IWDG_SW,
85                                    @ref FLASH_OB_USER_IWDG_STOP,
86                                    @ref FLASH_OB_USER_IWDG_STANDBY,
87                                    @ref FLASH_OB_USER_WWDG_SW,
88                                    @ref FLASH_OB_USER_SRAM_PARITY,
89                                    @ref FLASH_OB_USER_NBOOT_SEL,
90                                    @ref FLASH_OB_USER_NBOOT1,
91                                    @ref FLASH_OB_USER_NBOOT0,
92                                    @ref FLASH_OB_USER_INPUT_RESET_HOLDER */
93   uint32_t RDPKeyType;        /*!< Configuration of the RDP OEM keys (used for OPTIONBYTE_RDPKEY).
94                                   This parameter can be a value of @ref FLASH_OB_RDP_Key_Type */
95   uint32_t RDPKey1;           /*!< Value of the RDP OEM key 1 (used for OPTIONBYTE_RDPKEY) */
96   uint32_t RDPKey2;           /*!< Value of the RDP OEM key 1 (used for OPTIONBYTE_RDPKEY) */
97   uint32_t RDPKey3;           /*!< Value of the RDP OEM key 1 (used for OPTIONBYTE_RDPKEY) */
98   uint32_t RDPKey4;           /*!< Value of the RDP OEM key 1 (used for OPTIONBYTE_RDPKEY) */
99   uint32_t BootLock;          /*!< Allow to force a unique boot entry point to Flash or system Flash */
100   uint32_t HDPEndPage;        /*!< This parameter defines Hide protection area end page */
101   uint32_t HDPState;          /*!< Hide protection area enable */
102 } FLASH_OBProgramInitTypeDef;
103 
104 /**
105   * @brief  FLASH handle Structure definition
106   */
107 typedef struct
108 {
109   HAL_LockTypeDef  Lock;             /* FLASH locking object */
110   uint32_t         ErrorCode;        /* FLASH error code */
111   uint32_t         ProcedureOnGoing; /* Internal variable to indicate which procedure is ongoing or not in IT context */
112   uint32_t         Address;          /* Internal variable to save address selected for program in IT context */
113   uint32_t         Banks;            /* Internal variable to save current bank selected during erase in IT context */
114   uint32_t         Page;             /* Internal variable to define the current page which is erasing in IT context */
115   uint32_t         NbPagesToErase;   /* Internal variable to save the remaining pages to erase in IT context */
116 } FLASH_ProcessTypeDef;
117 
118 /**
119   * @brief  FLASH HDP Extension structure definition
120   */
121 typedef struct
122 {
123   uint32_t Status;       /*!< State of the HDP Extension area @ref FLASHEx_HDPEXT_Access */
124   uint32_t NbPages;      /*!< Number of pages to be HDP extended.
125                           This parameter can be a value between 1 and max number of pages in the flash */
126 } FLASH_HDPExtensionTypeDef;
127 
128 /**
129   * @}
130   */
131 
132 /**
133   * @}
134   */
135 
136 /* Exported constants --------------------------------------------------------*/
137 /** @defgroup FLASH_Exported_Constants FLASH Exported Constants
138   * @{
139   */
140 /** @defgroup FLASH_Keys FLASH Keys
141   * @{
142   */
143 #define FLASH_KEY1                      0x45670123U   /*!< Flash key1 */
144 #define FLASH_KEY2                      0xCDEF89ABU   /*!< Flash key2: used with FLASH_KEY1 \
145                                                            to unlock the FLASH registers access */
146 #define FLASH_OPTKEY1                   0x08192A3BU   /*!< Flash option byte key1 */
147 #define FLASH_OPTKEY2                   0x4C5D6E7FU   /*!< Flash option byte key2: used with FLASH_OPTKEY1 \
148                                                            to allow option bytes operations */
149 
150 /**
151   * @}
152   */
153 
154 /** @defgroup FLASH_OB_RDP_Key_Type FLASH Option Bytes Read Protection Key Type
155   * @{
156   */
157 #define OB_RDP_KEY_OEM1           0x01U  /*!< OEM1 key */
158 #define OB_RDP_KEY_OEM2           0x02U  /*!< OEM2 key */
159 /**
160   * @}
161   */
162 
163 /** @defgroup FLASH_Latency FLASH Latency
164   * @{
165   */
166 #define FLASH_LATENCY_0                 0x00000000UL        /*!< FLASH Zero wait state */
167 #define FLASH_LATENCY_1                 FLASH_ACR_LATENCY_0 /*!< FLASH One wait state */
168 #define FLASH_LATENCY_2                 FLASH_ACR_LATENCY_1 /*!< FLASH Two wait states */
169 /**
170   * @}
171   */
172 
173 /** @defgroup FLASH_Flags FLASH Flags Definition
174   * @{
175   */
176 #define FLASH_FLAG_EOP                  ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_EOP_Pos)         /*!< FLASH End of operation flag */
177 #define FLASH_FLAG_OPERR                ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_OPERR_Pos)       /*!< FLASH Operation error flag */
178 #define FLASH_FLAG_PROGERR              ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_PROGERR_Pos)     /*!< FLASH Programming error flag */
179 #define FLASH_FLAG_WRPERR               ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_WRPERR_Pos)      /*!< FLASH Write protection error flag */
180 #define FLASH_FLAG_PGAERR               ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_PGAERR_Pos)      /*!< FLASH Programming alignment error flag */
181 #define FLASH_FLAG_SIZERR               ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_SIZERR_Pos)      /*!< FLASH Size error flag  */
182 #define FLASH_FLAG_PGSERR               ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_PGSERR_Pos)      /*!< FLASH Programming sequence error flag */
183 #define FLASH_FLAG_MISERR               ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_MISERR_Pos)      /*!< FLASH Fast programming data miss error flag */
184 #define FLASH_FLAG_FASTERR              ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_FASTERR_Pos)     /*!< FLASH Fast programming error flag */
185 #define FLASH_FLAG_OPTVERR              ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_OPTVERR_Pos)     /*!< FLASH Option validity error flag */
186 #define FLASH_FLAG_BSY1                 ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_BSY1_Pos)        /*!< FLASH Operation Busy flag for Bank 1 */
187 #define FLASH_FLAG_BSY                  FLASH_FLAG_BSY1                                                       /*!< FLASH Operation Busy flag - legacy name for single bank */
188 #define FLASH_FLAG_CFGBSY               ((FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS) | FLASH_SR_CFGBSY_Pos)      /*!< FLASH Configuration Busy flag */
189 #define FLASH_FLAG_ECCC1                ((FLASH_FLAG_ECCR1_ID << FLASH_FLAG_REG_POS) | FLASH_ECCR_ECCC_Pos)   /*!< FLASH ECC correction on bank 1 */
190 #define FLASH_FLAG_ECCD1                ((FLASH_FLAG_ECCR1_ID << FLASH_FLAG_REG_POS) | FLASH_ECCR_ECCD_Pos)   /*!< FLASH ECC detection on bank 1 */
191 #define FLASH_FLAG_ECCC                 FLASH_FLAG_ECCC1   /*!< FLASH ECC correction - legacy name for single bank */
192 #define FLASH_FLAG_ECCD                 FLASH_FLAG_ECCD1   /*!< FLASH ECC detection - legacy name for single bank */
193 /**
194   * @}
195   */
196 
197 /** @defgroup FLASH_Interrupt_definition FLASH Interrupts Definition
198   * @brief FLASH Interrupt definition
199   * @{
200   */
201 #define FLASH_IT_EOP                    ((FLASH_FLAG_CR_ID << FLASH_FLAG_REG_POS) | FLASH_CR_EOPIE_Pos)         /*!< End of FLASH Operation Interrupt source */
202 #define FLASH_IT_OPERR                  ((FLASH_FLAG_CR_ID << FLASH_FLAG_REG_POS) | FLASH_CR_ERRIE_Pos)         /*!< Error Interrupt source */
203 #define FLASH_IT_ECCC1                  ((FLASH_FLAG_ECCR1_ID << FLASH_FLAG_REG_POS) | FLASH_ECCR_ECCCIE_Pos)   /*!< ECC Correction on Bank 1 Interrupt source */
204 #define FLASH_IT_ECCC                   FLASH_IT_ECCC1                                                          /*!< ECC Correction - legacy name for single bank */
205 /**
206   * @}
207   */
208 
209 /** @defgroup FLASH_Error FLASH Error
210   * @{
211   */
212 #define HAL_FLASH_ERROR_NONE            0x00000000U
213 #define HAL_FLASH_ERROR_OP              FLASH_SR_OPERR
214 #define HAL_FLASH_ERROR_PROG            FLASH_SR_PROGERR
215 #define HAL_FLASH_ERROR_WRP             FLASH_SR_WRPERR
216 #define HAL_FLASH_ERROR_PGA             FLASH_SR_PGAERR
217 #define HAL_FLASH_ERROR_SIZ             FLASH_SR_SIZERR
218 #define HAL_FLASH_ERROR_PGS             FLASH_SR_PGSERR
219 #define HAL_FLASH_ERROR_MIS             FLASH_SR_MISERR
220 #define HAL_FLASH_ERROR_FAST            FLASH_SR_FASTERR
221 #define HAL_FLASH_ERROR_HDPOPT          FLASH_SR_HDPOPTWERR
222 #define HAL_FLASH_ERROR_OEMOPT          FLASH_SR_OEMOPTWERR
223 #define HAL_FLASH_ERROR_OPTV            FLASH_SR_OPTVERR
224 #define HAL_FLASH_ERROR_ECCD            FLASH_ECCR_ECCD
225 /**
226   * @}
227   */
228 
229 /** @defgroup FLASH_Type_Erase FLASH Erase Type
230   * @{
231   */
232 #define FLASH_TYPEERASE_PAGES           FLASH_CR_PER    /*!< Pages erase only */
233 #define FLASH_TYPEERASE_MASS            FLASH_CR_MER1   /*!< Flash mass erase activation */
234 /**
235   * @}
236   */
237 
238 /** @defgroup FLASH_Banks FLASH Banks
239   * @{
240   */
241 #define FLASH_BANK_1                    1U               /*!< Bank 1 */
242 /**
243   * @}
244   */
245 
246 
247 /** @defgroup FLASH_Type_Program FLASH Program Type
248   * @{
249   */
250 #define FLASH_TYPEPROGRAM_DOUBLEWORD    FLASH_CR_PG     /*!< Program a double-word (64-bit) at a specified address */
251 #define FLASH_TYPEPROGRAM_FAST          FLASH_CR_FSTPG  /*!< Fast program a 32 row double-word (64-bit) at a specified address */
252 /**
253   * @}
254   */
255 
256 /** @defgroup FLASH_OB_Type FLASH Option Bytes Type
257   * @{
258   */
259 #define OPTIONBYTE_WRP                  0x00000001U  /*!< WRP option byte configuration */
260 #define OPTIONBYTE_RDP                  0x00000002U  /*!< RDP option byte configuration */
261 #define OPTIONBYTE_USER                 0x00000004U  /*!< USER option byte configuration */
262 #define OPTIONBYTE_HDP                  0x00000008U  /*!< HDP option byte configuration */
263 #define OPTIONBYTE_RDPKEY               0x00000010U  /*!< RDP OEM KEYs option byte configuration */
264 
265 #define OPTIONBYTE_ALL                  (OPTIONBYTE_WRP   | OPTIONBYTE_RDP | OPTIONBYTE_USER | \
266                                          OPTIONBYTE_HDP | OPTIONBYTE_RDPKEY)  /*!< All option byte configuration */
267 /**
268   * @}
269   */
270 
271 /** @defgroup FLASH_OB_WRP_Area FLASH WRP Area
272   * @{
273   */
274 #define OB_WRPAREA_ZONE_A               0x00000001U  /*!< Flash Zone A */
275 #define OB_WRPAREA_ZONE_B               0x00000002U  /*!< Flash Zone B */
276 /**
277   * @}
278   */
279 
280 /** @defgroup FLASH_OB_Read_Protection FLASH Option Bytes Read Protection
281   * @{
282   */
283 #define OB_RDP_LEVEL_0                  0x000000AAU
284 #define OB_RDP_LEVEL_1                  0x000000BBU
285 #define OB_RDP_LEVEL_2                  0x000000CCU  /*!< Warning: When enabling read protection level 2 \
286                                                           it is no more possible to go back to level 1 or 0 */
287 /**
288   * @}
289   */
290 
291 /** @defgroup FLASH_OB_USER_Type FLASH Option Bytes User Type
292   * @{
293   */
294 #define OB_USER_BOR_EN                  FLASH_OPTR_BOR_EN                           /*!< BOR reset enable */
295 #define OB_USER_BOR_LEV                 (FLASH_OPTR_BORF_LEV | FLASH_OPTR_BORR_LEV) /*!< BOR reset Level */
296 #define OB_USER_NRST_STOP               FLASH_OPTR_nRST_STOP                        /*!< Reset generated when entering the stop mode */
297 #define OB_USER_NRST_STDBY              FLASH_OPTR_nRST_STDBY                       /*!< Reset generated when entering the standby mode */
298 #define OB_USER_NRST_SHDW               FLASH_OPTR_nRST_SHDW                        /*!< Reset generated when entering the shutdown mode */
299 #define OB_USER_IWDG_SW                 FLASH_OPTR_IWDG_SW                          /*!< Independent watchdog selection */
300 #define OB_USER_IWDG_STOP               FLASH_OPTR_IWDG_STOP                        /*!< Independent watchdog counter freeze in stop mode */
301 #define OB_USER_IWDG_STDBY              FLASH_OPTR_IWDG_STDBY                       /*!< Independent watchdog counter freeze in standby mode */
302 #define OB_USER_WWDG_SW                 FLASH_OPTR_WWDG_SW                          /*!< Window watchdog selection */
303 #define OB_USER_RAM_PARITY_CHECK        FLASH_OPTR_RAM_PARITY_CHECK                 /*!< Sram parity check control */
304 #define OB_USER_NBOOT_SEL               FLASH_OPTR_nBOOT_SEL                        /*!< Boot Selection */
305 #define OB_USER_NBOOT1                  FLASH_OPTR_nBOOT1                           /*!< nBoot1 configuration */
306 #define OB_USER_NBOOT0                  FLASH_OPTR_nBOOT0                           /*!< nBoot0 configuration */
307 #define OB_USER_NRST_MODE               FLASH_OPTR_NRST_MODE                        /*!< Reset pin configuration */
308 #define OB_USER_INPUT_RESET_HOLDER      FLASH_OPTR_IRHEN                            /*!< Internal reset holder enable */
309 
310 #define OB_USER_ALL                     (OB_USER_BOR_EN           | OB_USER_BOR_LEV    | OB_USER_NRST_STOP | \
311                                          OB_USER_NRST_STDBY       | OB_USER_NRST_SHDW  | OB_USER_IWDG_SW   | \
312                                          OB_USER_IWDG_STOP        | OB_USER_IWDG_STDBY | OB_USER_WWDG_SW   | \
313                                          OB_USER_RAM_PARITY_CHECK | OB_USER_NBOOT_SEL  | OB_USER_NBOOT1    | \
314                                          OB_USER_NBOOT0           | OB_USER_NRST_MODE  | OB_USER_INPUT_RESET_HOLDER)   /*!< all option bits */
315 /**
316   * @}
317   */
318 
319 /** @defgroup FLASH_OB_USER_BOR_ENABLE FLASH Option Bytes User BOR enable
320   * @{
321   */
322 #define OB_BOR_DISABLE                  0x00000000U        /*!< BOR Reset set to default */
323 #define OB_BOR_ENABLE                   FLASH_OPTR_BOR_EN  /*!< Use option byte to define BOR thresholds */
324 /**
325   * @}
326   */
327 
328 /** @defgroup FLASH_OB_USER_BOR_LEVEL FLASH Option Bytes User BOR Level
329   * @{
330   */
331 #define OB_BOR_LEVEL_FALLING_0          0x00000000U                                     /*!< BOR falling level 1 with threshold around 2.0V */
332 #define OB_BOR_LEVEL_FALLING_1          FLASH_OPTR_BORF_LEV_0                           /*!< BOR falling level 2 with threshold around 2.2V */
333 #define OB_BOR_LEVEL_FALLING_2          FLASH_OPTR_BORF_LEV_1                           /*!< BOR falling level 3 with threshold around 2.5V */
334 #define OB_BOR_LEVEL_FALLING_3          (FLASH_OPTR_BORF_LEV_0 | FLASH_OPTR_BORF_LEV_1) /*!< BOR falling level 4 with threshold around 2.8V */
335 #define OB_BOR_LEVEL_RISING_0           0x00000000U                                     /*!< BOR rising level 1 with threshold around 2.1V */
336 #define OB_BOR_LEVEL_RISING_1           FLASH_OPTR_BORR_LEV_0                           /*!< BOR rising level 2 with threshold around 2.3V */
337 #define OB_BOR_LEVEL_RISING_2           FLASH_OPTR_BORR_LEV_1                           /*!< BOR rising level 3 with threshold around 2.6V */
338 #define OB_BOR_LEVEL_RISING_3           (FLASH_OPTR_BORR_LEV_0 | FLASH_OPTR_BORR_LEV_1) /*!< BOR rising level 4 with threshold around 2.9V */
339 /**
340   * @}
341   */
342 
343 /** @defgroup FLASH_OB_USER_NRST_STOP FLASH Option Bytes User Reset On Stop
344   * @{
345   */
346 #define OB_STOP_RST                     0x00000000U           /*!< Reset generated when entering the stop mode */
347 #define OB_STOP_NORST                   FLASH_OPTR_nRST_STOP  /*!< No reset generated when entering the stop mode */
348 /**
349   * @}
350   */
351 
352 /** @defgroup FLASH_OB_USER_NRST_STANDBY FLASH Option Bytes User Reset On Standby
353   * @{
354   */
355 #define OB_STANDBY_RST                  0x00000000U           /*!< Reset generated when entering the standby mode */
356 #define OB_STANDBY_NORST                FLASH_OPTR_nRST_STDBY /*!< No reset generated when entering the standby mode */
357 /**
358   * @}
359   */
360 
361 /** @defgroup FLASH_OB_USER_NRST_SHUTDOWN FLASH Option Bytes User Reset On Shutdown
362   * @{
363   */
364 #define OB_SHUTDOWN_RST                 0x00000000U           /*!< Reset generated when entering the shutdown mode */
365 #define OB_SHUTDOWN_NORST               FLASH_OPTR_nRST_SHDW  /*!< No reset generated when entering the shutdown mode */
366 /**
367   * @}
368   */
369 
370 /** @defgroup FLASH_OB_USER_IWDG_SW FLASH Option Bytes User IWDG Type
371   * @{
372   */
373 #define OB_IWDG_HW                      0x00000000U           /*!< Hardware independent watchdog */
374 #define OB_IWDG_SW                      FLASH_OPTR_IWDG_SW    /*!< Software independent watchdog */
375 /**
376   * @}
377   */
378 
379 /** @defgroup FLASH_OB_USER_IWDG_STOP FLASH Option Bytes User IWDG Mode On Stop
380   * @{
381   */
382 #define OB_IWDG_STOP_FREEZE             0x00000000U           /*!< Independent watchdog counter is frozen in Stop mode */
383 #define OB_IWDG_STOP_RUN                FLASH_OPTR_IWDG_STOP  /*!< Independent watchdog counter is running in Stop mode */
384 /**
385   * @}
386   */
387 
388 /** @defgroup FLASH_OB_USER_IWDG_STANDBY FLASH Option Bytes User IWDG Mode On Standby
389   * @{
390   */
391 #define OB_IWDG_STDBY_FREEZE            0x00000000U           /*!< Independent watchdog counter is frozen in Standby mode */
392 #define OB_IWDG_STDBY_RUN               FLASH_OPTR_IWDG_STDBY /*!< Independent watchdog counter is running in Standby mode */
393 /**
394   * @}
395   */
396 
397 /** @defgroup FLASH_OB_USER_WWDG_SW FLASH Option Bytes User WWDG Type
398   * @{
399   */
400 #define OB_WWDG_HW                      0x00000000U           /*!< Hardware window watchdog */
401 #define OB_WWDG_SW                      FLASH_OPTR_WWDG_SW    /*!< Software window watchdog */
402 /**
403   * @}
404   */
405 
406 /** @defgroup FLASH_OB_USER_SRAM_PARITY FLASH Option Bytes User SRAM parity
407   * @{
408   */
409 #define OB_SRAM_PARITY_ENABLE           0x00000000U                  /*!< Sram parity enable */
410 #define OB_SRAM_PARITY_DISABLE          FLASH_OPTR_RAM_PARITY_CHECK  /*!< Sram parity disable */
411 /**
412   * @}
413   */
414 
415 /** @defgroup FLASH_OB_USER_NBOOT_SEL FLASH Option Bytes User Boot0 Selection
416   * @{
417   */
418 #define OB_BOOT0_FROM_PIN               0x00000000U             /*!< BOOT0 signal is defined by PA14/BOOT0 pin value */
419 #define OB_BOOT0_FROM_OB                FLASH_OPTR_nBOOT_SEL    /*!< BOOT0 signal is defined by nBOOT0 option bit */
420 /**
421   * @}
422   */
423 
424 /** @defgroup FLASH_OB_USER_NBOOT1 FLASH Option Bytes User BOOT1 Type
425   * @{
426   */
427 #define OB_BOOT1_SRAM                   0x00000000U           /*!< Embedded SRAM is selected as boot space (if nBOOT0=0 or BOOT0_pin=1) */
428 #define OB_BOOT1_SYSTEM                 FLASH_OPTR_nBOOT1     /*!< System memory is selected as boot space (if nBOOT0=0 or BOOT0_pin=1) */
429 /**
430   * @}
431   */
432 
433 /** @defgroup FLASH_OB_USER_NBOOT0 FLASH Option Bytes User nBOOT0 option bit
434   * @{
435   */
436 #define OB_NBOOT0_RESET                 0x00000000U           /*!< nBOOT0 = 0 */
437 #define OB_NBOOT0_SET                   FLASH_OPTR_nBOOT0     /*!< nBOOT0 = 1 */
438 /**
439   * @}
440   */
441 
442 /** @defgroup FLASH_OB_USER_RESET_CONFIG FLASH Option Bytes User reset config bit
443   * @{
444   */
445 #define OB_RESET_MODE_INPUT_ONLY        FLASH_OPTR_NRST_MODE_0  /*!< Reset pin is in Reset input mode only */
446 #define OB_RESET_MODE_GPIO              FLASH_OPTR_NRST_MODE_1  /*!< Reset pin is in GPIO mode mode only */
447 #define OB_RESET_MODE_INPUT_OUTPUT      FLASH_OPTR_NRST_MODE    /*!< Reset pin is in reset input and output mode */
448 /**
449   * @}
450   */
451 
452 /** @defgroup FLASH_OB_USER_INPUT_RESET_HOLDER FLASH Option Bytes User input reset holder bit
453   * @{
454   */
455 #define OB_IRH_ENABLE                   0x00000000U           /*!< Internal Reset handler enable */
456 #define OB_IRH_DISABLE                  FLASH_OPTR_IRHEN      /*!< Internal Reset handler disable */
457 /**
458   * @}
459   */
460 
461 
462 /** @defgroup FLASH_OB_SEC_BOOT_LOCK FLASH Option Bytes Secure boot lock
463   * @{
464   */
465 #define OB_BOOT_LOCK_DISABLE        0x00000000U               /*!< Boot Lock is free */
466 #define OB_BOOT_LOCK_ENABLE         FLASH_SECR_BOOT_LOCK      /*!< Boot Lock is forced to Flash or System Flash */
467 /**
468   * @}
469   */
470 
471 /**
472   * @}
473   */
474 
475 /* Exported macros -----------------------------------------------------------*/
476 /** @defgroup FLASH_Exported_Macros FLASH Exported Macros
477   *  @brief macros to control FLASH features
478   *  @{
479   */
480 
481 /**
482   * @brief  Set the FLASH Latency.
483   * @param  __LATENCY__ FLASH Latency
484   *         This parameter can be one of the following values :
485   *     @arg @ref FLASH_LATENCY_0 FLASH Zero wait state
486   *     @arg @ref FLASH_LATENCY_1 FLASH One wait state
487   *     @arg @ref FLASH_LATENCY_2 FLASH Two wait states
488   * @retval None
489   */
490 #define __HAL_FLASH_SET_LATENCY(__LATENCY__)    MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, (__LATENCY__))
491 
492 /**
493   * @brief  Get the FLASH Latency.
494   * @retval FLASH Latency
495   *         Returned value can be one of the following values :
496   *     @arg @ref FLASH_LATENCY_0 FLASH Zero wait state
497   *     @arg @ref FLASH_LATENCY_1 FLASH One wait state
498   *     @arg @ref FLASH_LATENCY_2 FLASH Two wait states
499   */
500 #define __HAL_FLASH_GET_LATENCY()               READ_BIT(FLASH->ACR, FLASH_ACR_LATENCY)
501 
502 /**
503   * @brief  Enable the FLASH prefetch buffer.
504   * @retval None
505   */
506 #define __HAL_FLASH_PREFETCH_BUFFER_ENABLE()    SET_BIT(FLASH->ACR, FLASH_ACR_PRFTEN)
507 
508 /**
509   * @brief  Disable the FLASH prefetch buffer.
510   * @retval None
511   */
512 #define __HAL_FLASH_PREFETCH_BUFFER_DISABLE()   CLEAR_BIT(FLASH->ACR, FLASH_ACR_PRFTEN)
513 
514 /**
515   * @brief  Enable the FLASH instruction cache.
516   * @retval none
517   */
518 #define __HAL_FLASH_INSTRUCTION_CACHE_ENABLE()  SET_BIT(FLASH->ACR, FLASH_ACR_ICEN)
519 
520 /**
521   * @brief  Disable the FLASH instruction cache.
522   * @retval none
523   */
524 #define __HAL_FLASH_INSTRUCTION_CACHE_DISABLE() CLEAR_BIT(FLASH->ACR, FLASH_ACR_ICEN)
525 
526 /**
527   * @brief  Reset the FLASH instruction Cache.
528   * @note   This function must be used only when the Instruction Cache is disabled.
529   * @retval None
530   */
531 #define __HAL_FLASH_INSTRUCTION_CACHE_RESET()   do { SET_BIT(FLASH->ACR, FLASH_ACR_ICRST);   \
532                                                      CLEAR_BIT(FLASH->ACR, FLASH_ACR_ICRST); \
533                                                    } while (0U)
534 /**
535   * @}
536   */
537 
538 /** @defgroup FLASH_Interrupt FLASH Interrupts Macros
539   *  @brief macros to handle FLASH interrupts
540   * @{
541   */
542 
543 /**
544   * @brief  Enable the specified FLASH interrupt.
545   * @param  __INTERRUPT__ FLASH interrupt
546   *         This parameter can be one of the following values :
547   *     @arg @ref FLASH_IT_EOP End of FLASH Operation Interrupt
548   *     @arg @ref FLASH_IT_OPERR Error Interrupt
549   *     @arg @ref FLASH_IT_ECCC1 ECC Correction Interrupt on bank 1
550   *     @arg @ref FLASH_IT_ECCC ECC Correction Interrupt - legacy name for single bank
551   * @retval none
552   */
553 
554 #define __HAL_FLASH_ENABLE_IT(__INTERRUPT__)  \
555   do { \
556     if(((__INTERRUPT__) & (FLASH_FLAG_CR_ID << FLASH_FLAG_REG_POS)) != 0U) \
557     { \
558       SET_BIT(FLASH->CR, (1UL << ((__INTERRUPT__) & 0x1FU))); \
559     } \
560     else if (((__INTERRUPT__) & (FLASH_FLAG_ECCR1_ID << FLASH_FLAG_REG_POS)) != 0U) \
561     { \
562       SET_BIT(FLASH->ECCR, (1UL << ((__INTERRUPT__) & 0x1FU))); \
563     } \
564   } while (0U)
565 
566 /**
567   * @brief  Disable the specified FLASH interrupt.
568   * @param  __INTERRUPT__ FLASH interrupt
569   *         This parameter can be one of the following values :
570   *     @arg @ref FLASH_IT_EOP End of FLASH Operation Interrupt
571   *     @arg @ref FLASH_IT_OPERR Error Interrupt
572   *     @arg @ref FLASH_IT_ECCC1 ECC Correction Interrupt on bank 1
573   *     @arg @ref FLASH_IT_ECCC ECC Correction Interrupt - legacy name for single bank
574   * @retval none
575   */
576 #define __HAL_FLASH_DISABLE_IT(__INTERRUPT__)   \
577   do { \
578     if(((__INTERRUPT__) & (FLASH_FLAG_CR_ID << FLASH_FLAG_REG_POS)) != 0U) \
579     { \
580       CLEAR_BIT(FLASH->CR, (1UL << ((__INTERRUPT__) & 0x1FU))); \
581     } \
582     else if (((__INTERRUPT__) & (FLASH_FLAG_ECCR1_ID << FLASH_FLAG_REG_POS)) != 0U) \
583     { \
584       CLEAR_BIT(FLASH->ECCR, (1UL << ((__INTERRUPT__) & 0x1FU))); \
585     } \
586   } while (0U)
587 
588 /**
589   * @brief  Check whether the specified FLASH flag is set or not.
590   * @param  __FLAG__ specifies the FLASH flag to check.
591   *         This parameter can be one of the following values :
592   *     @arg @ref FLASH_FLAG_EOP FLASH End of Operation flag
593   *     @arg @ref FLASH_FLAG_OPERR FLASH Operation error flag
594   *     @arg @ref FLASH_FLAG_PROGERR FLASH Programming error flag
595   *     @arg @ref FLASH_FLAG_WRPERR FLASH Write protection error flag
596   *     @arg @ref FLASH_FLAG_PGAERR FLASH Programming alignment error flag
597   *     @arg @ref FLASH_FLAG_SIZERR FLASH Size error flag
598   *     @arg @ref FLASH_FLAG_PGSERR FLASH Programming sequence error flag
599   *     @arg @ref FLASH_FLAG_MISERR FLASH Fast programming data miss error flag
600   *     @arg @ref FLASH_FLAG_FASTERR FLASH Fast programming error flag
601   *     @arg @ref FLASH_FLAG_OPTVERR FLASH Option validity error flag
602   *     @arg @ref FLASH_FLAG_BSY1 FLASH bank 1 write/erase operations in progress flag
603   *     @arg @ref FLASH_FLAG_BSY FLASH write/erase operations in progress flag  - legacy name for single bank
604   *     @arg @ref FLASH_FLAG_CFGBSY FLASH configuration is busy : program or erase setting are used.
605   *     @arg @ref FLASH_FLAG_ECCC1 FLASH one ECC error has been detected and corrected
606   *     @arg @ref FLASH_FLAG_ECCD1 FLASH two ECC errors have been detected on bank 1
607   *     @arg @ref FLASH_FLAG_ECCC FLASH one ECC error has been detected and corrected - legacy name for single bank
608   *     @arg @ref FLASH_FLAG_ECCD FLASH two ECC errors have been detected - legacy name for single bank
609   * @retval The state of FLASH_FLAG (SET or RESET).
610   */
611 #define __HAL_FLASH_GET_FLAG(__FLAG__)          ((((__FLAG__) & (FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS)) != 0U) ?   \
612                                                  (READ_BIT(FLASH->SR, (1UL << ((__FLAG__) & 0x1FU))) != 0x00U) : \
613                                                  (READ_BIT(FLASH->ECCR, (1UL << ((__FLAG__) & 0x1FU))) != 0x00U))
614 
615 /**
616   * @brief  Clear the FLASH pending flags.
617   * @param  __FLAG__ specifies the FLASH flags to clear.
618   *         This parameter can be one of the following values :
619   *     @arg @ref FLASH_FLAG_EOP FLASH End of Operation flag
620   *     @arg @ref FLASH_FLAG_OPERR FLASH Operation error flag
621   *     @arg @ref FLASH_FLAG_PROGERR FLASH Programming error flag
622   *     @arg @ref FLASH_FLAG_WRPERR FLASH Write protection error flag
623   *     @arg @ref FLASH_FLAG_PGAERR FLASH Programming alignment error flag
624   *     @arg @ref FLASH_FLAG_SIZERR FLASH Size error flag
625   *     @arg @ref FLASH_FLAG_PGSERR FLASH Programming sequence error flag
626   *     @arg @ref FLASH_FLAG_MISERR FLASH Fast programming data miss error flag
627   *     @arg @ref FLASH_FLAG_FASTERR FLASH Fast programming error flag
628   *     @arg @ref FLASH_FLAG_OPTVERR FLASH Option validity error flag
629   *     @arg @ref FLASH_FLAG_ECCC1 FLASH one ECC error has been detected and corrected
630   *     @arg @ref FLASH_FLAG_ECCD1 FLASH two ECC errors have been detected on bank 1
631   *     @arg @ref FLASH_FLAG_ECCC FLASH one ECC error has been detected and corrected - legacy name for single bank
632   *     @arg @ref FLASH_FLAG_ECCD FLASH two ECC errors have been detected - legacy name for single bank
633   * @retval None
634   */
635 #define __HAL_FLASH_CLEAR_FLAG(__FLAG__)  \
636   do { \
637     if(((__FLAG__) & (FLASH_FLAG_SR_ID << FLASH_FLAG_REG_POS)) != 0U) \
638     { \
639       FLASH->SR = (1UL << ((__FLAG__) & 0x1FU)); \
640     } \
641     else if (((__FLAG__) & (FLASH_FLAG_ECCR1_ID << FLASH_FLAG_REG_POS)) != 0U) \
642     { \
643       FLASH->ECCR = (1UL << ((__FLAG__) & 0x1FU)); \
644     } \
645   } while(0U)
646 
647 /**
648   * @}
649   */
650 
651 /* Include FLASH HAL Extended module */
652 #include "stm32u0xx_hal_flash_ex.h"
653 /* Exported variables --------------------------------------------------------*/
654 /** @defgroup FLASH_Exported_Variables FLASH Exported Variables
655   * @{
656   */
657 extern FLASH_ProcessTypeDef pFlash;
658 /**
659   * @}
660   */
661 
662 /* Exported functions --------------------------------------------------------*/
663 /** @addtogroup FLASH_Exported_Functions
664   * @{
665   */
666 
667 /* Program operation functions  ***********************************************/
668 /** @addtogroup FLASH_Exported_Functions_Group1
669   * @{
670   */
671 HAL_StatusTypeDef  HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data);
672 HAL_StatusTypeDef  HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data);
673 /* FLASH IRQ handler method */
674 void               HAL_FLASH_IRQHandler(void);
675 /* Callbacks in non blocking modes */
676 void               HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue);
677 void               HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue);
678 /**
679   * @}
680   */
681 
682 /* Peripheral Control functions  **********************************************/
683 /** @addtogroup FLASH_Exported_Functions_Group2
684   * @{
685   */
686 HAL_StatusTypeDef  HAL_FLASH_Unlock(void);
687 HAL_StatusTypeDef  HAL_FLASH_Lock(void);
688 /* Option bytes control */
689 HAL_StatusTypeDef  HAL_FLASH_OB_Unlock(void);
690 HAL_StatusTypeDef  HAL_FLASH_OB_Lock(void);
691 HAL_StatusTypeDef  HAL_FLASH_OB_Launch(void);
692 /**
693   * @}
694   */
695 
696 /* Peripheral State functions  ************************************************/
697 /** @addtogroup FLASH_Exported_Functions_Group3
698   * @{
699   */
700 uint32_t HAL_FLASH_GetError(void);
701 /**
702   * @}
703   */
704 
705 /**
706   * @}
707   */
708 
709 /* Private types --------------------------------------------------------*/
710 /** @defgroup FLASH_Private_types FLASH Private Types
711   * @{
712   */
713 HAL_StatusTypeDef  FLASH_WaitForLastOperation(uint32_t Timeout);
714 /**
715   * @}
716   */
717 
718 /* Private constants --------------------------------------------------------*/
719 /** @defgroup FLASH_Private_Constants FLASH Private Constants
720   * @{
721   */
722 #define FLASH_SIZE_DATA_REGISTER        FLASHSIZE_BASE
723 
724 
725 #define FLASH_BANK_SIZE                 (FLASH_SIZE)   /*!< FLASH Bank Size */
726 
727 #define FLASH_PAGE_SIZE                 0x00000800U    /*!< FLASH Page Size, 2 KBytes */
728 #define FLASH_PAGE_NB                   (FLASH_BANK_SIZE/FLASH_PAGE_SIZE) /* Number of pages per bank */
729 #define FLASH_TIMEOUT_VALUE             1000U          /*!< FLASH Execution Timeout, 1 s */
730 #define FLASH_TYPENONE                  0x00000000U    /*!< No programming Procedure On Going */
731 #define FLASH_SR_ERRORS                 (FLASH_SR_OPERR  | FLASH_SR_PROGERR | FLASH_SR_WRPERR | \
732                                          FLASH_SR_PGAERR | FLASH_SR_SIZERR  | FLASH_SR_PGSERR |  \
733                                          FLASH_SR_MISERR | FLASH_SR_FASTERR | FLASH_SR_OPTVERR ) /*!< All SR error flags */
734 #define FLASH_SR_CLEAR                  (FLASH_SR_ERRORS | FLASH_SR_EOP)
735 
736 /* Internal defines for HAL macro usage */
737 #define FLASH_FLAG_REG_POS              16U
738 #define FLASH_FLAG_SR_ID                1U
739 #define FLASH_FLAG_CR_ID                2U
740 #define FLASH_FLAG_ECCR1_ID             4U
741 
742 /**
743   * @}
744   */
745 
746 /* Private macros ------------------------------------------------------------*/
747 /** @defgroup FLASH_Private_Macros FLASH Private Macros
748   *  @{
749   */
750 #define IS_FLASH_MAIN_MEM_ADDRESS(__ADDRESS__)         (((__ADDRESS__) >= (FLASH_BASE))\
751                                                         && ((__ADDRESS__) < (FLASH_BASE + FLASH_SIZE)))
752 
753 #define IS_FLASH_MAIN_FIRSTHALF_MEM_ADDRESS(__ADDRESS__)  (((__ADDRESS__) >= (FLASH_BASE))\
754                                                            && ((__ADDRESS__) < (FLASH_BASE + FLASH_BANK_SIZE)))
755 
756 #define IS_FLASH_PROGRAM_MAIN_MEM_ADDRESS(__ADDRESS__) ((__ADDRESS__) >= (FLASH_BASE))\
757   && ((__ADDRESS__) <= (FLASH_BASE + FLASH_SIZE ))
758 
759 #define IS_FLASH_PROGRAM_OTP_ADDRESS(__ADDRESS__)      (((__ADDRESS__) >= 0x1FFF7000U)\
760                                                         && ((__ADDRESS__) < 0x1FFF7400U ))
761 
762 #define IS_FLASH_PROGRAM_ADDRESS(__ADDRESS__)          ((IS_FLASH_PROGRAM_MAIN_MEM_ADDRESS(__ADDRESS__))\
763                                                         || (IS_FLASH_PROGRAM_OTP_ADDRESS(__ADDRESS__)))
764 
765 #define IS_FLASH_FAST_PROGRAM_ADDRESS(__ADDRESS__)     (((__ADDRESS__) >= (FLASH_BASE))\
766                                                         && ((__ADDRESS__) <= (FLASH_BASE + FLASH_SIZE - 256UL)))
767 
768 #define IS_FLASH_PAGE(__PAGE__)                        ((__PAGE__) < FLASH_PAGE_NB)
769 
770 
771 #define IS_FLASH_BANK(__BANK__)                        ((__BANK__) == FLASH_BANK_1)
772 
773 #define IS_FLASH_TYPEERASE(__VALUE__)                  (((__VALUE__) == FLASH_TYPEERASE_PAGES) || \
774                                                         ((__VALUE__) == FLASH_TYPEERASE_MASS))
775 
776 #define IS_FLASH_TYPEPROGRAM(__VALUE__)                (((__VALUE__) == FLASH_TYPEPROGRAM_DOUBLEWORD) || \
777                                                         ((__VALUE__) == FLASH_TYPEPROGRAM_FAST))
778 
779 #define IS_OPTIONBYTE(__VALUE__)                       ((((__VALUE__) & OPTIONBYTE_ALL) != 0x00U) && \
780                                                         (((__VALUE__) & ~OPTIONBYTE_ALL) == 0x00U))
781 
782 
783 #define IS_OB_WRPAREA(__VALUE__)                       (((__VALUE__) == OB_WRPAREA_ZONE_A)\
784                                                         || ((__VALUE__) == OB_WRPAREA_ZONE_B))
785 
786 #define IS_OB_RDP_LEVEL(__LEVEL__)                     (((__LEVEL__) == OB_RDP_LEVEL_0)   ||\
787                                                         ((__LEVEL__) == OB_RDP_LEVEL_1)   ||\
788                                                         ((__LEVEL__) == OB_RDP_LEVEL_2))
789 
790 #define IS_OB_USER_TYPE(__TYPE__)                      ((((__TYPE__) & OB_USER_ALL) != 0x00U) && \
791                                                         (((__TYPE__) & ~OB_USER_ALL) == 0x00U))
792 
793 #define IS_OB_USER_CONFIG(__TYPE__,__CONFIG__)         ((~(__TYPE__) & (__CONFIG__)) == 0x00U)
794 
795 #define IS_OB_BOOT_LOCK(__VALUE__)                     (((__VALUE__) == OB_BOOT_LOCK_DISABLE)\
796                                                         || ((__VALUE__) == OB_BOOT_LOCK_ENABLE))
797 
798 #define IS_OB_HDP_SIZE(__VALUE__)                      ((__VALUE__) < (FLASH_PAGE_NB + 1U))
799 
800 #define IS_FLASH_LATENCY(__LATENCY__)                  (((__LATENCY__) == FLASH_LATENCY_0) || \
801                                                         ((__LATENCY__) == FLASH_LATENCY_1) || \
802                                                         ((__LATENCY__) == FLASH_LATENCY_2))
803 #define IS_OB_RDP_KEY_TYPE(__KEYTYPE__)                 (((__KEYTYPE__) == OB_RDP_KEY_OEM1) || \
804                                                          ((__KEYTYPE__) == OB_RDP_KEY_OEM2))
805 
806 #define IS_OB_HDPEXT_CONFIG(__HDPEXTCONFIG__)           (((__HDPEXTCONFIG__) == FLASH_HDPEXT_ACCESS_GRANTED) || \
807                                                          ((__HDPEXTCONFIG__) == FLASH_HDPEXT_ACCESS_DENIED) || \
808                                                          ((__HDPEXTCONFIG__) == FLASH_HDPEXT_ACCESS_LOCKED))
809 /**
810   * @}
811   */
812 
813 /**
814   * @}
815   */
816 
817 /**
818   * @}
819   */
820 
821 #ifdef __cplusplus
822 }
823 #endif
824 
825 #endif /* STM32U0xx_HAL_FLASH_H */
826 
827