1 /**
2   ******************************************************************************
3   * @file    stm32c0xx_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
13   * in 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 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32C0xx_HAL_FLASH_H
21 #define STM32C0xx_HAL_FLASH_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32c0xx_hal_def.h"
29 
30 /** @addtogroup STM32C0xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup FLASH
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup FLASH_Exported_Types FLASH Exported Types
40   * @{
41   */
42 
43 /**
44   * @brief  FLASH Erase structure definition
45   */
46 typedef struct
47 {
48   uint32_t TypeErase;   /*!< Mass erase or page erase.
49                              This parameter can be a value of @ref FLASH_Type_Erase */
50   uint32_t Page;        /*!< Initial Flash page to erase when page erase is enabled
51                              This parameter must be a value between 0 and (FLASH_PAGE_NB - 1) */
52   uint32_t NbPages;     /*!< Number of pages to be erased.
53                              This parameter must be a value between 1 and (FLASH_PAGE_NB - value of initial page)*/
54 } FLASH_EraseInitTypeDef;
55 
56 /**
57   * @brief  FLASH Option Bytes Program structure definition
58   */
59 typedef struct
60 {
61   uint32_t OptionType;        /*!< Option byte to be configured.
62                                    This parameter can be a combination of the values of @ref FLASH_OB_Type */
63   uint32_t WRPArea;           /*!< Write protection area to be programmed (used for OPTIONBYTE_WRP).
64                                    Only one WRP area could be programmed at the same time.
65                                    This parameter can be value of @ref FLASH_OB_WRP_Area */
66   uint32_t WRPStartOffset;    /*!< Write protection start offset (used for OPTIONBYTE_WRP).
67                                    This parameter must be a value between 0 and [FLASH_PAGE_NB - 1]*/
68   uint32_t WRPEndOffset;      /*!< Write protection end offset (used for OPTIONBYTE_WRP).
69                                    This parameter must be a value between WRPStartOffset and [FLASH_PAGE_NB - 1] */
70   uint32_t RDPLevel;          /*!< Set the read protection level (used for OPTIONBYTE_RDP).
71                                    This parameter can be a value of @ref FLASH_OB_Read_Protection */
72   uint32_t USERType;          /*!< User option byte(s) to be configured (used for OPTIONBYTE_USER).
73                                    This parameter can be a combination of @ref FLASH_OB_USER_Type */
74   uint32_t USERConfig;        /*!< Value of the user option byte (used for OPTIONBYTE_USER).
75                                    This parameter can be a combination of
76                                    @ref FLASH_OB_USER_BOR_ENABLE,
77                                    @ref FLASH_OB_USER_BOR_LEVEL,
78                                    @ref FLASH_OB_USER_nRST_STOP,
79                                    @ref FLASH_OB_USER_nRST_STANDBY,
80                                    @ref FLASH_OB_USER_nRST_SHUTDOWN,
81                                    @ref FLASH_OB_USER_IWDG_SW,
82                                    @ref FLASH_OB_USER_IWDG_STOP,
83                                    @ref FLASH_OB_USER_IWDG_STANDBY,
84                                    @ref FLASH_OB_USER_WWDG_SW,
85                                    @ref FLASH_OB_USER_SRAM_PARITY,
86                                    @ref FLASH_OB_USER_nBOOT_SEL,
87                                    @ref FLASH_OB_USER_nBOOT1,
88                                    @ref FLASH_OB_USER_nBOOT0,
89                                    @ref FLASH_OB_USER_INPUT_RESET_HOLDER*/
90   uint32_t PCROPConfig;       /*!< Configuration of the PCROP (used for OPTIONBYTE_PCROP).
91                                    This parameter must be a combination of @ref FLASH_OB_PCROP_ZONE
92                                    and @ref FLASH_OB_PCROP_RDP. Note that once set, Pcrop erase on RDP level 1
93                                    regression (PCROP_RDP bit) can not be reset. It will be reset by mass erase */
94   uint32_t PCROP1AStartAddr;  /*!< PCROP Start address (used for OPTIONBYTE_PCROP). It represents first address
95                                    of start block to protect. Make sure this parameter is multiple of PCROP
96                                    granularity: 512 Bytes.*/
97   uint32_t PCROP1AEndAddr;    /*!< PCROP End address (used for OPTIONBYTE_PCROP). It represents first address
98                                    of end block to protect. Make sure this parameter is multiple of PCROP
99                                    granularity: 512 Bytes.*/
100   uint32_t PCROP1BStartAddr;  /*!< PCROP Start address (used for OPTIONBYTE_PCROP). It represents first address
101                                    of start block to protect. Make sure this parameter is multiple of PCROP
102                                    granularity: 512 Bytes.*/
103   uint32_t PCROP1BEndAddr;    /*!< PCROP End address (used for OPTIONBYTE_PCROP). It represents first address
104                                    of end block to protect. Make sure this parameter is multiple of PCROP
105                                    granularity: 512 Bytes.*/
106   uint32_t BootEntryPoint;    /*!< Allow to force a unique boot entry point to Flash or system Flash */
107   uint32_t SecSize;           /*!< This parameter defines securable memory area width in number of pages starting
108                                    from Flash base address. This parameter must be a value between [0]
109                                    and [FLASH_PAGE_NB], [0] meaning no secure area defined, [1] meaning first page
110                                    only protected, etc... */
111 } FLASH_OBProgramInitTypeDef;
112 
113 /**
114   * @brief  FLASH handle Structure definition
115   */
116 typedef struct
117 {
118   HAL_LockTypeDef Lock;              /* FLASH locking object */
119   uint32_t        ErrorCode;         /* FLASH error code */
120   uint32_t        ProcedureOnGoing;  /* Internal variable to indicate which procedure is ongoing or not in IT context */
121   uint32_t        Address;           /* Internal variable to save address selected for program in IT context */
122   uint32_t        Page;              /* Internal variable to define the current page which is erasing in IT context */
123   uint32_t        NbPagesToErase;    /* Internal variable to save the remaining pages to erase in IT context */
124 } FLASH_ProcessTypeDef;
125 
126 /**
127   * @}
128   */
129 
130 /* Exported constants --------------------------------------------------------*/
131 /** @defgroup FLASH_Exported_Constants FLASH Exported Constants
132   * @{
133   */
134 /** @defgroup FLASH_Keys FLASH Keys
135   * @{
136   */
137 #define FLASH_KEY1                      0x45670123U   /*!< Flash key1 */
138 #define FLASH_KEY2                      0xCDEF89ABU   /*!< Flash key2: used with FLASH_KEY1
139                                                            to unlock the FLASH registers access */
140 #define FLASH_OPTKEY1                   0x08192A3BU   /*!< Flash option byte key1 */
141 #define FLASH_OPTKEY2                   0x4C5D6E7FU   /*!< Flash option byte key2: used with FLASH_OPTKEY1
142                                                            to allow option bytes operations */
143 /**
144   * @}
145   */
146 
147 /** @defgroup FLASH_Latency FLASH Latency
148   * @{
149   */
150 #define FLASH_LATENCY_0                 0x00000000UL                /*!< FLASH Zero wait state */
151 #define FLASH_LATENCY_1                 FLASH_ACR_LATENCY_0         /*!< FLASH One wait state */
152 
153 /**
154   * @}
155   */
156 
157 /** @defgroup FLASH_Flags FLASH Flags Definition
158   * @{
159   */
160 #define FLASH_FLAG_EOP                  FLASH_SR_EOP      /*!< FLASH End of operation flag */
161 #define FLASH_FLAG_OPERR                FLASH_SR_OPERR    /*!< FLASH Operation error flag */
162 #define FLASH_FLAG_PROGERR              FLASH_SR_PROGERR  /*!< FLASH Programming error flag */
163 #define FLASH_FLAG_WRPERR               FLASH_SR_WRPERR   /*!< FLASH Write protection error flag */
164 #define FLASH_FLAG_PGAERR               FLASH_SR_PGAERR   /*!< FLASH Programming alignment error flag */
165 #define FLASH_FLAG_SIZERR               FLASH_SR_SIZERR   /*!< FLASH Size error flag  */
166 #define FLASH_FLAG_PGSERR               FLASH_SR_PGSERR   /*!< FLASH Programming sequence error flag */
167 #define FLASH_FLAG_MISERR               FLASH_SR_MISERR   /*!< FLASH Fast programming data miss error flag */
168 #define FLASH_FLAG_FASTERR              FLASH_SR_FASTERR  /*!< FLASH Fast programming error flag */
169 #define FLASH_FLAG_RDERR                FLASH_SR_RDERR    /*!< FLASH PCROP read error flag */
170 #define FLASH_FLAG_OPTVERR              FLASH_SR_OPTVERR  /*!< FLASH Option validity error flag */
171 #define FLASH_FLAG_BSY                  FLASH_SR_BSY1     /*!< FLASH Operation Busy flag */
172 #define FLASH_FLAG_CFGBSY               FLASH_SR_CFGBSY   /*!< FLASH Configuration Busy flag */
173 #define FLASH_FLAG_PESD                 FLASH_SR_PESD     /*!< FLASH Programming/erase operation suspended */
174 
175 #define FLASH_FLAG_ALL_ERRORS           (FLASH_FLAG_OPERR   | FLASH_FLAG_PROGERR | FLASH_FLAG_WRPERR | \
176                                          FLASH_FLAG_PGAERR  | FLASH_FLAG_SIZERR  | FLASH_FLAG_PGSERR | \
177                                          FLASH_FLAG_MISERR  | FLASH_FLAG_FASTERR | FLASH_FLAG_RDERR  | \
178                                          FLASH_FLAG_OPTVERR)
179 /**
180   * @}
181   */
182 
183 /** @defgroup FLASH_Interrupt_definition FLASH Interrupts Definition
184   * @brief FLASH Interrupt definition
185   * @{
186   */
187 #define FLASH_IT_EOP                    FLASH_CR_EOPIE              /*!< End of FLASH Operation Interrupt source */
188 #define FLASH_IT_OPERR                  FLASH_CR_ERRIE              /*!< Error Interrupt source */
189 #define FLASH_IT_RDERR                  FLASH_CR_RDERRIE            /*!< PCROP Read Error Interrupt source*/
190 /**
191   * @}
192   */
193 
194 /** @defgroup FLASH_Error FLASH Error
195   * @{
196   */
197 #define HAL_FLASH_ERROR_NONE            0x00000000U
198 #define HAL_FLASH_ERROR_OP              FLASH_FLAG_OPERR
199 #define HAL_FLASH_ERROR_PROG            FLASH_FLAG_PROGERR
200 #define HAL_FLASH_ERROR_WRP             FLASH_FLAG_WRPERR
201 #define HAL_FLASH_ERROR_PGA             FLASH_FLAG_PGAERR
202 #define HAL_FLASH_ERROR_SIZ             FLASH_FLAG_SIZERR
203 #define HAL_FLASH_ERROR_PGS             FLASH_FLAG_PGSERR
204 #define HAL_FLASH_ERROR_MIS             FLASH_FLAG_MISERR
205 #define HAL_FLASH_ERROR_FAST            FLASH_FLAG_FASTERR
206 #define HAL_FLASH_ERROR_RD              FLASH_FLAG_RDERR
207 #define HAL_FLASH_ERROR_OPTV            FLASH_FLAG_OPTVERR
208 /**
209   * @}
210   */
211 
212 /** @defgroup FLASH_Type_Erase FLASH Erase Type
213   * @{
214   */
215 #define FLASH_TYPEERASE_PAGES           FLASH_CR_PER    /*!< Pages erase only */
216 #define FLASH_TYPEERASE_MASS            FLASH_CR_MER1   /*!< Flash mass erase activation */
217 /**
218   * @}
219   */
220 
221 /** @defgroup FLASH_Type_Program FLASH Program Type
222   * @{
223   */
224 #define FLASH_TYPEPROGRAM_DOUBLEWORD    FLASH_CR_PG     /*!< Program a double-word (64-bit) at a specified address */
225 #define FLASH_TYPEPROGRAM_FAST          FLASH_CR_FSTPG  /*!< Fast program a 32 row double-word (64-bit)
226                                                              at a specified address */
227 /**
228   * @}
229   */
230 
231 /** @defgroup FLASH_OB_Type FLASH Option Bytes Type
232   * @{
233   */
234 #define OPTIONBYTE_WRP                  0x00000001U  /*!< WRP option byte configuration */
235 #define OPTIONBYTE_RDP                  0x00000002U  /*!< RDP option byte configuration */
236 #define OPTIONBYTE_USER                 0x00000004U  /*!< USER option byte configuration */
237 #define OPTIONBYTE_PCROP                0x00000008U  /*!< PCROP option byte configuration */
238 #define OPTIONBYTE_SEC                  0x00000010U  /*!< SEC option byte configuration */
239 #define OPTIONBYTE_ALL                  (OPTIONBYTE_WRP  | OPTIONBYTE_RDP | OPTIONBYTE_USER) /*!< All option byte
240                                                                                                   configuration */
241 
242 /**
243   * @}
244   */
245 
246 /** @defgroup FLASH_OB_WRP_Area FLASH WRP Area
247   * @{
248   */
249 #define OB_WRPAREA_ZONE_A               0x00000001U  /*!< Flash Zone A */
250 #define OB_WRPAREA_ZONE_B               0x00000002U  /*!< Flash Zone B */
251 /**
252   * @}
253   */
254 
255 /** @defgroup FLASH_OB_Read_Protection FLASH Option Bytes Read Protection
256   * @{
257   */
258 #define OB_RDP_LEVEL_0                  0x000000AAU
259 #define OB_RDP_LEVEL_1                  0x000000BBU
260 #define OB_RDP_LEVEL_2                  0x000000CCU  /*!< Warning: When enabling read protection level 2
261                                                           it is no more possible to go back to level 1 or 0 */
262 /**
263   * @}
264   */
265 
266 /** @defgroup FLASH_OB_USER_Type FLASH Option Bytes User Type
267   * @{
268   */
269 #define OB_USER_BOR_EN                  FLASH_OPTR_BOR_EN                           /*!< BOR reset enable */
270 #define OB_USER_BOR_LEV                 (FLASH_OPTR_BORF_LEV | FLASH_OPTR_BORR_LEV) /*!< BOR reset Level */
271 #define OB_USER_NRST_STOP               FLASH_OPTR_nRST_STOP                        /*!< Reset generated when entering
272                                                                                          the stop mode */
273 #define OB_USER_NRST_STDBY              FLASH_OPTR_nRST_STDBY                       /*!< Reset generated when entering
274                                                                                          the standby mode */
275 #define OB_USER_NRST_SHDW               FLASH_OPTR_nRST_SHDW                        /*!< Reset generated when entering
276                                                                                          the shutdown mode */
277 #define OB_USER_IWDG_SW                 FLASH_OPTR_IWDG_SW                          /*!< Independent watchdog selection */
278 #define OB_USER_IWDG_STOP               FLASH_OPTR_IWDG_STOP                        /*!< Independent watchdog counter
279                                                                                          freeze in stop mode */
280 #define OB_USER_IWDG_STDBY              FLASH_OPTR_IWDG_STDBY                       /*!< Independent watchdog counter
281                                                                                          freeze in standby mode */
282 #define OB_USER_WWDG_SW                 FLASH_OPTR_WWDG_SW                          /*!< Window watchdog selection */
283 #define OB_USER_RAM_PARITY_CHECK        FLASH_OPTR_RAM_PARITY_CHECK                 /*!< Sram parity check control */
284 #define OB_USER_NBOOT_SEL               FLASH_OPTR_nBOOT_SEL                        /*!< Boot Selection */
285 #define OB_USER_NBOOT1                  FLASH_OPTR_nBOOT1                           /*!< nBoot1 configuration */
286 #define OB_USER_NBOOT0                  FLASH_OPTR_nBOOT0                           /*!< nBoot0 configuration */
287 #define OB_USER_NRST_MODE               FLASH_OPTR_NRST_MODE                        /*!< Reset pin configuration */
288 #define OB_USER_INPUT_RESET_HOLDER      FLASH_OPTR_IRHEN                            /*!< Internal reset holder enable */
289 
290 #define OB_USER_ALL                     (OB_USER_BOR_EN           | OB_USER_BOR_LEV    | OB_USER_NRST_STOP | \
291                                          OB_USER_NRST_STDBY       | OB_USER_NRST_SHDW  | OB_USER_IWDG_SW   | \
292                                          OB_USER_IWDG_STOP        | OB_USER_IWDG_STDBY | OB_USER_WWDG_SW   | \
293                                          OB_USER_RAM_PARITY_CHECK | OB_USER_NBOOT_SEL  | OB_USER_NBOOT1    | \
294                                          OB_USER_NBOOT0           | OB_USER_NRST_MODE  | OB_USER_INPUT_RESET_HOLDER) /*!< all option bits */
295 /**
296   * @}
297   */
298 
299 /** @defgroup FLASH_OB_USER_BOR_ENABLE FLASH Option Bytes User BOR enable
300   * @{
301   */
302 #define OB_BOR_DISABLE                  0x00000000U        /*!< BOR Reset set to default */
303 #define OB_BOR_ENABLE                   FLASH_OPTR_BOR_EN  /*!< Use option byte to define BOR thresholds */
304 /**
305   * @}
306   */
307 
308 /** @defgroup FLASH_OB_USER_BOR_LEVEL FLASH Option Bytes User BOR Level
309   * @{
310   */
311 #define OB_BOR_LEVEL_FALLING_0          0x00000000U                                     /*!< BOR falling level 1 with
312                                                                                              threshold around 2.0V */
313 #define OB_BOR_LEVEL_FALLING_1          FLASH_OPTR_BORF_LEV_0                           /*!< BOR falling level 2 with
314                                                                                              threshold around 2.2V */
315 #define OB_BOR_LEVEL_FALLING_2          FLASH_OPTR_BORF_LEV_1                           /*!< BOR falling level 3 with
316                                                                                              threshold around 2.5V */
317 #define OB_BOR_LEVEL_FALLING_3          (FLASH_OPTR_BORF_LEV_0 | FLASH_OPTR_BORF_LEV_1) /*!< BOR falling level 4 with
318                                                                                              threshold around 2.8V */
319 #define OB_BOR_LEVEL_RISING_0           0x00000000U                                     /*!< BOR rising level 1 with
320                                                                                              threshold around 2.1V */
321 #define OB_BOR_LEVEL_RISING_1           FLASH_OPTR_BORR_LEV_0                           /*!< BOR rising level 2 with
322                                                                                              threshold around 2.3V */
323 #define OB_BOR_LEVEL_RISING_2           FLASH_OPTR_BORR_LEV_1                           /*!< BOR rising level 3 with
324                                                                                              threshold around 2.6V */
325 #define OB_BOR_LEVEL_RISING_3           (FLASH_OPTR_BORR_LEV_0 | FLASH_OPTR_BORR_LEV_1) /*!< BOR rising level 4 with
326                                                                                              threshold around 2.9V */
327 /**
328   * @}
329   */
330 
331 /** @defgroup FLASH_OB_USER_nRST_STOP FLASH Option Bytes User Reset On Stop
332   * @{
333   */
334 #define OB_STOP_RST                     0x00000000U           /*!< Reset generated when entering the stop mode */
335 #define OB_STOP_NORST                   FLASH_OPTR_nRST_STOP  /*!< No reset generated when entering the stop mode */
336 /**
337   * @}
338   */
339 
340 /** @defgroup FLASH_OB_USER_nRST_STANDBY FLASH Option Bytes User Reset On Standby
341   * @{
342   */
343 #define OB_STANDBY_RST                  0x00000000U           /*!< Reset generated when entering the standby mode */
344 #define OB_STANDBY_NORST                FLASH_OPTR_nRST_STDBY /*!< No reset generated when entering the standby mode */
345 /**
346   * @}
347   */
348 
349 /** @defgroup FLASH_OB_USER_nRST_SHUTDOWN FLASH Option Bytes User Reset On Shutdown
350   * @{
351   */
352 #define OB_SHUTDOWN_RST                 0x00000000U           /*!< Reset generated when entering the shutdown mode */
353 #define OB_SHUTDOWN_NORST               FLASH_OPTR_nRST_SHDW  /*!< No reset generated when entering the shutdown mode */
354 /**
355   * @}
356   */
357 
358 /** @defgroup FLASH_OB_USER_IWDG_SW FLASH Option Bytes User IWDG Type
359   * @{
360   */
361 #define OB_IWDG_HW                      0x00000000U           /*!< Hardware independent watchdog */
362 #define OB_IWDG_SW                      FLASH_OPTR_IWDG_SW    /*!< Software independent watchdog */
363 /**
364   * @}
365   */
366 
367 /** @defgroup FLASH_OB_USER_IWDG_STOP FLASH Option Bytes User IWDG Mode On Stop
368   * @{
369   */
370 #define OB_IWDG_STOP_FREEZE             0x00000000U           /*!< Independent watchdog counter is frozen
371                                                                    in Stop mode */
372 #define OB_IWDG_STOP_RUN                FLASH_OPTR_IWDG_STOP  /*!< Independent watchdog counter is running
373                                                                    in Stop mode */
374 /**
375   * @}
376   */
377 
378 /** @defgroup FLASH_OB_USER_IWDG_STANDBY FLASH Option Bytes User IWDG Mode On Standby
379   * @{
380   */
381 #define OB_IWDG_STDBY_FREEZE            0x00000000U           /*!< Independent watchdog counter is frozen
382                                                                    in Standby mode */
383 #define OB_IWDG_STDBY_RUN               FLASH_OPTR_IWDG_STDBY /*!< Independent watchdog counter is running
384                                                                    in Standby mode */
385 /**
386   * @}
387   */
388 
389 /** @defgroup FLASH_OB_USER_WWDG_SW FLASH Option Bytes User WWDG Type
390   * @{
391   */
392 #define OB_WWDG_HW                      0x00000000U           /*!< Hardware window watchdog */
393 #define OB_WWDG_SW                      FLASH_OPTR_WWDG_SW    /*!< Software window watchdog */
394 /**
395   * @}
396   */
397 
398 /** @defgroup FLASH_OB_USER_SRAM_PARITY FLASH Option Bytes User SRAM parity
399   * @{
400   */
401 #define OB_SRAM_PARITY_ENABLE           0x00000000U                  /*!< Sram parity enable */
402 #define OB_SRAM_PARITY_DISABLE          FLASH_OPTR_RAM_PARITY_CHECK  /*!< Sram parity disable */
403 /**
404   * @}
405   */
406 
407 /** @defgroup FLASH_OB_USER_nBOOT_SEL FLASH Option Bytes User Boot0 Selection
408   * @{
409   */
410 #define OB_BOOT0_FROM_PIN               0x00000000U             /*!< BOOT0 signal is defined by PA14/BOOT0 pin value */
411 #define OB_BOOT0_FROM_OB                FLASH_OPTR_nBOOT_SEL    /*!< BOOT0 signal is defined by nBOOT0 option bit */
412 /**
413   * @}
414   */
415 
416 /** @defgroup FLASH_OB_USER_nBOOT1 FLASH Option Bytes User BOOT1 Type
417   * @{
418   */
419 #define OB_BOOT1_SRAM                   0x00000000U           /*!< Embedded SRAM is selected as boot space
420                                                                    (if nBOOT0=0 or BOOT0_pin=1) */
421 #define OB_BOOT1_SYSTEM                 FLASH_OPTR_nBOOT1     /*!< System memory is selected as boot space
422                                                                    (if nBOOT0=0 or BOOT0_pin=1) */
423 /**
424   * @}
425   */
426 
427 /** @defgroup FLASH_OB_USER_nBOOT0 FLASH Option Bytes User nBOOT0 option bit
428   * @{
429   */
430 #define OB_NBOOT0_RESET                 0x00000000U           /*!< nBOOT0 = 0 */
431 #define OB_NBOOT0_SET                   FLASH_OPTR_nBOOT0     /*!< nBOOT0 = 1 */
432 /**
433   * @}
434   */
435 
436 /** @defgroup FLASH_OB_USER_RESET_CONFIG FLASH Option Bytes User reset config bit
437   * @{
438   */
439 #define OB_RESET_MODE_INPUT_ONLY        FLASH_OPTR_NRST_MODE_0  /*!< Reset pin is in Reset input mode only */
440 #define OB_RESET_MODE_GPIO              FLASH_OPTR_NRST_MODE_1  /*!< Reset pin is in GPIO mode mode only */
441 #define OB_RESET_MODE_INPUT_OUTPUT      FLASH_OPTR_NRST_MODE    /*!< Reset pin is in reset input and output mode */
442 /**
443   * @}
444   */
445 
446 /** @defgroup FLASH_OB_USER_INPUT_RESET_HOLDER FLASH Option Bytes User input reset holder bit
447   * @{
448   */
449 #define OB_IRH_ENABLE                   0x00000000U           /*!< Internal Reset handler enable */
450 #define OB_IRH_DISABLE                  FLASH_OPTR_IRHEN      /*!< Internal Reset handler disable */
451 /**
452   * @}
453   */
454 
455 /** @defgroup FLASH_OB_PCROP_ZONE FLASH Option Bytes PCROP ZONE
456   * @{
457   */
458 #define OB_PCROP_ZONE_A                 0x00000001U /*!< PCROP Zone A */
459 #define OB_PCROP_ZONE_B                 0x00000002U /*!< PCROP Zone B */
460 /**
461   * @}
462   */
463 
464 /** @defgroup FLASH_OB_PCROP_RDP FLASH Option Bytes PCROP On RDP Level Type
465   * @{
466   */
467 #define OB_PCROP_RDP_NOT_ERASE          0x00000000U               /*!< PCROP area is not erased when the RDP level
468                                                                        is decreased from Level 1 to Level 0 */
469 #define OB_PCROP_RDP_ERASE              FLASH_PCROP1AER_PCROP_RDP /*!< PCROP area is erased when the RDP level is
470                                                                        decreased from Level 1 to Level 0
471                                      (full mass erase).Once this bit is set only,
472                                                                        it will be reset by mass erase */
473 /**
474   * @}
475   */
476 
477 /** @defgroup FLASH_OB_SEC_BOOT_LOCK FLASH Option Bytes Secure boot lock
478   * @{
479   */
480 #define OB_BOOT_ENTRY_FORCED_NONE        0x00000000U               /*!< Boot entry is free */
481 #define OB_BOOT_ENTRY_FORCED_FLASH       FLASH_SECR_BOOT_LOCK      /*!< Boot entry is forced to Flash or System Flash */
482 /**
483   * @}
484   */
485 
486 /**
487   * @}
488   */
489 
490 /* Exported macros -----------------------------------------------------------*/
491 /** @defgroup FLASH_Exported_Macros FLASH Exported Macros
492   *  @brief macros to control FLASH features
493   *  @{
494   */
495 
496 /**
497   * @brief  Set the FLASH Latency.
498   * @param  __LATENCY__ FLASH Latency
499   *         This parameter can be one of the following values :
500   *     @arg @ref FLASH_LATENCY_0 FLASH Zero wait state
501   *     @arg @ref FLASH_LATENCY_1 FLASH One wait state
502   * @retval None
503   */
504 #define __HAL_FLASH_SET_LATENCY(__LATENCY__)    MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, (__LATENCY__))
505 
506 /**
507   * @brief  Get the FLASH Latency.
508   * @retval FLASH Latency
509   *         Returned value can be one of the following values :
510   *     @arg @ref FLASH_LATENCY_0 FLASH Zero wait state
511   *     @arg @ref FLASH_LATENCY_1 FLASH One wait state
512   */
513 #define __HAL_FLASH_GET_LATENCY()               READ_BIT(FLASH->ACR, FLASH_ACR_LATENCY)
514 
515 /**
516   * @brief  Enable the FLASH prefetch buffer.
517   * @retval None
518   */
519 #define __HAL_FLASH_PREFETCH_BUFFER_ENABLE()    SET_BIT(FLASH->ACR, FLASH_ACR_PRFTEN)
520 
521 /**
522   * @brief  Disable the FLASH prefetch buffer.
523   * @retval None
524   */
525 #define __HAL_FLASH_PREFETCH_BUFFER_DISABLE()   CLEAR_BIT(FLASH->ACR, FLASH_ACR_PRFTEN)
526 
527 /**
528   * @brief  Enable the FLASH instruction cache.
529   * @retval none
530   */
531 #define __HAL_FLASH_INSTRUCTION_CACHE_ENABLE()  SET_BIT(FLASH->ACR, FLASH_ACR_ICEN)
532 
533 /**
534   * @brief  Disable the FLASH instruction cache.
535   * @retval none
536   */
537 #define __HAL_FLASH_INSTRUCTION_CACHE_DISABLE() CLEAR_BIT(FLASH->ACR, FLASH_ACR_ICEN)
538 
539 /**
540   * @brief  Reset the FLASH instruction Cache.
541   * @note   This function must be used only when the Instruction Cache is disabled.
542   * @retval None
543   */
544 #define __HAL_FLASH_INSTRUCTION_CACHE_RESET()   do { SET_BIT(FLASH->ACR, FLASH_ACR_ICRST);   \
545                                                      CLEAR_BIT(FLASH->ACR, FLASH_ACR_ICRST); \
546                                                    } while (0U)
547 /**
548   * @}
549   */
550 
551 /** @defgroup FLASH_Interrupt FLASH Interrupts Macros
552   *  @brief macros to handle FLASH interrupts
553   * @{
554   */
555 
556 /**
557   * @brief  Enable the specified FLASH interrupt.
558   * @param  __INTERRUPT__ FLASH interrupt
559   *         This parameter can be any combination of the following values:
560   *     @arg @ref FLASH_IT_EOP End of FLASH Operation Interrupt
561   *     @arg @ref FLASH_IT_OPERR Error Interrupt
562   *     @arg @ref FLASH_IT_RDERR PCROP Read Error Interrupt
563   * @retval none
564   */
565 #define __HAL_FLASH_ENABLE_IT(__INTERRUPT__)  SET_BIT((FLASH->CR), (__INTERRUPT__))
566 /**
567   * @brief  Disable the specified FLASH interrupt.
568   * @param  __INTERRUPT__ FLASH interrupt
569   *         This parameter can be any combination 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_RDERR PCROP Read Error Interrupt
573   * @retval none
574   */
575 #define __HAL_FLASH_DISABLE_IT(__INTERRUPT__)  CLEAR_BIT((FLASH->CR), (uint32_t)(__INTERRUPT__))
576 
577 /**
578   * @brief  Check whether the specified FLASH flag is set or not.
579   * @param  __FLAG__ specifies the FLASH flag to check.
580   *   This parameter can be one of the following values:
581   *     @arg @ref FLASH_FLAG_EOP FLASH End of Operation flag
582   *     @arg @ref FLASH_FLAG_OPERR FLASH Operation error flag
583   *     @arg @ref FLASH_FLAG_PROGERR FLASH Programming error flag
584   *     @arg @ref FLASH_FLAG_WRPERR FLASH Write protection error flag
585   *     @arg @ref FLASH_FLAG_PGAERR FLASH Programming alignment error flag
586   *     @arg @ref FLASH_FLAG_SIZERR FLASH Size error flag
587   *     @arg @ref FLASH_FLAG_PGSERR FLASH Programming sequence error flag
588   *     @arg @ref FLASH_FLAG_MISERR FLASH Fast programming data miss error flag
589   *     @arg @ref FLASH_FLAG_FASTERR FLASH Fast programming error flag
590   *     @arg @ref FLASH_FLAG_RDERR FLASH PCROP read  error flag
591   *     @arg @ref FLASH_FLAG_OPTVERR FLASH Option validity error flag
592   *     @arg @ref FLASH_FLAG_BSY FLASH write/erase operations in progress flag
593   *     @arg @ref FLASH_FLAG_CFGBSY FLASH configuration is busy : program or erase setting are used.
594   *     @arg @ref FLASH_FLAG_PESD FLASH Programming/erase operation suspended
595   * @retval The new state of FLASH_FLAG (SET or RESET).
596   */
597 #define __HAL_FLASH_GET_FLAG(__FLAG__)         (READ_BIT(FLASH->SR,   (__FLAG__)) == (__FLAG__))
598 
599 /**
600   * @brief  Clear the FLASHs pending flags.
601   * @param  __FLAG__ specifies the FLASH flags to clear.
602   *   This parameter can be any combination of the following values:
603   *     @arg @ref FLASH_FLAG_EOP FLASH End of Operation flag
604   *     @arg @ref FLASH_FLAG_OPERR FLASH Operation error flag
605   *     @arg @ref FLASH_FLAG_PROGERR FLASH Programming error flag
606   *     @arg @ref FLASH_FLAG_WRPERR FLASH Write protection error flag
607   *     @arg @ref FLASH_FLAG_PGAERR FLASH Programming alignment error flag
608   *     @arg @ref FLASH_FLAG_SIZERR FLASH Size error flag
609   *     @arg @ref FLASH_FLAG_PGSERR FLASH Programming sequence error flag
610   *     @arg @ref FLASH_FLAG_MISERR FLASH Fast programming data miss error flag
611   *     @arg @ref FLASH_FLAG_FASTERR FLASH Fast programming error flag
612   *     @arg @ref FLASH_FLAG_RDERR FLASH PCROP read  error flag
613   *     @arg @ref FLASH_FLAG_OPTVERR FLASH Option validity error flag
614   * @retval None
615   */
616 #define __HAL_FLASH_CLEAR_FLAG(__FLAG__)   ((FLASH->SR) = (__FLAG__))
617 
618 /**
619   * @}
620   */
621 
622 /* Include FLASH HAL Extended module */
623 #include "stm32c0xx_hal_flash_ex.h"
624 /* Exported variables --------------------------------------------------------*/
625 /** @defgroup FLASH_Exported_Variables FLASH Exported Variables
626   * @{
627   */
628 extern FLASH_ProcessTypeDef pFlash;
629 /**
630   * @}
631   */
632 
633 /* Exported functions --------------------------------------------------------*/
634 /** @addtogroup FLASH_Exported_Functions
635   * @{
636   */
637 
638 /* Program operation functions  ***********************************************/
639 /** @addtogroup FLASH_Exported_Functions_Group1
640   * @{
641   */
642 HAL_StatusTypeDef  HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data);
643 HAL_StatusTypeDef  HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data);
644 /* FLASH IRQ handler method */
645 void               HAL_FLASH_IRQHandler(void);
646 /* Callbacks in non blocking modes */
647 void               HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue);
648 void               HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue);
649 /**
650   * @}
651   */
652 
653 /* Peripheral Control functions  **********************************************/
654 /** @addtogroup FLASH_Exported_Functions_Group2
655   * @{
656   */
657 HAL_StatusTypeDef  HAL_FLASH_Unlock(void);
658 HAL_StatusTypeDef  HAL_FLASH_Lock(void);
659 /* Option bytes control */
660 HAL_StatusTypeDef  HAL_FLASH_OB_Unlock(void);
661 HAL_StatusTypeDef  HAL_FLASH_OB_Lock(void);
662 HAL_StatusTypeDef  HAL_FLASH_OB_Launch(void);
663 /**
664   * @}
665   */
666 
667 /* Peripheral State functions  ************************************************/
668 /** @addtogroup FLASH_Exported_Functions_Group3
669   * @{
670   */
671 uint32_t HAL_FLASH_GetError(void);
672 /**
673   * @}
674   */
675 
676 /**
677   * @}
678   */
679 
680 /* Private types --------------------------------------------------------*/
681 /** @defgroup FLASH_Private_types FLASH Private Types
682   * @{
683   */
684 HAL_StatusTypeDef  FLASH_WaitForLastOperation(uint32_t Timeout);
685 /**
686   * @}
687   */
688 
689 /* Private constants --------------------------------------------------------*/
690 /** @defgroup FLASH_Private_Constants FLASH Private Constants
691   * @{
692   */
693 #define FLASH_SIZE_DATA_REGISTER        FLASHSIZE_BASE
694 
695 #define FLASH_SIZE                      ((((*((uint16_t *)FLASH_SIZE_DATA_REGISTER)) == 0xFFFFU)) ? 0x8000U : \
696                                          ((((*((uint16_t *)FLASH_SIZE_DATA_REGISTER)) == 0x0000U)) ? 0x8000U : \
697                                           (((uint32_t)(*((uint16_t *)FLASH_SIZE_DATA_REGISTER)) & (0x00FFU)) << 10U)))
698 
699 #define FLASH_BANK_SIZE                 (FLASH_SIZE)   /*!< FLASH Bank Size */
700 
701 #define FLASH_PAGE_SIZE                 0x00000800U    /*!< FLASH Page Size, 2 KBytes */
702 
703 
704 #define FLASH_PAGE_NB                   16U
705 
706 
707 #define FLASH_TIMEOUT_VALUE             1000U          /*!< FLASH Execution Timeout, 1 s */
708 
709 #define FLASH_TYPENONE                  0x00000000U    /*!< No Programmation Procedure On Going */
710 
711 #define FLASH_FLAG_SR_ERROR             (FLASH_FLAG_OPERR  | FLASH_FLAG_PROGERR | FLASH_FLAG_WRPERR |  \
712                                          FLASH_FLAG_PGAERR | FLASH_FLAG_SIZERR  | FLASH_FLAG_PGSERR |   \
713                                          FLASH_FLAG_MISERR | FLASH_FLAG_FASTERR | FLASH_FLAG_RDERR |   \
714                                          FLASH_FLAG_OPTVERR)     /*!< All SR error flags */
715 /**
716   * @}
717   */
718 
719 /* Private macros ------------------------------------------------------------*/
720 /** @defgroup FLASH_Private_Macros FLASH Private Macros
721   *  @{
722   */
723 #define IS_FLASH_MAIN_MEM_ADDRESS(__ADDRESS__)         (((__ADDRESS__) >= (FLASH_BASE)) && \
724                                                         ((__ADDRESS__) <= (FLASH_BASE + FLASH_SIZE - 1UL)))
725 
726 #define IS_FLASH_PROGRAM_MAIN_MEM_ADDRESS(__ADDRESS__) (((__ADDRESS__) >= (FLASH_BASE)) && \
727                                                         ((__ADDRESS__) <= (FLASH_BASE + FLASH_SIZE - 8UL)))
728 
729 #define IS_FLASH_PROGRAM_OTP_ADDRESS(__ADDRESS__)      (((__ADDRESS__) >= 0x1FFF7000U) && \
730                                                         ((__ADDRESS__) <= (0x1FFF7400U - 8UL)))
731 
732 #define IS_FLASH_PROGRAM_ADDRESS(__ADDRESS__)          ((IS_FLASH_PROGRAM_MAIN_MEM_ADDRESS(__ADDRESS__)) || \
733                                                         (IS_FLASH_PROGRAM_OTP_ADDRESS(__ADDRESS__)))
734 
735 #define IS_FLASH_FAST_PROGRAM_ADDRESS(__ADDRESS__)     (((__ADDRESS__) >= (FLASH_BASE)) && \
736                                                         ((__ADDRESS__) <= (FLASH_BASE + FLASH_SIZE - 256UL)))
737 
738 #define IS_FLASH_PAGE(__PAGE__)                        ((__PAGE__) < FLASH_PAGE_NB)
739 
740 #define IS_FLASH_BANK(__BANK__)                        ((__BANK__) == 0x00UL)
741 
742 #define IS_FLASH_TYPEERASE(__VALUE__)                  (((__VALUE__) == FLASH_TYPEERASE_PAGES) || \
743                                                         ((__VALUE__) == FLASH_TYPEERASE_MASS))
744 
745 #define IS_FLASH_TYPEPROGRAM(__VALUE__)                (((__VALUE__) == FLASH_TYPEPROGRAM_DOUBLEWORD) || \
746                                                         ((__VALUE__) == FLASH_TYPEPROGRAM_FAST))
747 
748 #define IS_OPTIONBYTE(__VALUE__)                       ((((__VALUE__) & OPTIONBYTE_ALL) != 0x00U) && \
749                                                         (((__VALUE__) & ~OPTIONBYTE_ALL) == 0x00U))
750 
751 #define IS_OB_WRPAREA(__VALUE__)                       (((__VALUE__) == OB_WRPAREA_ZONE_A) || \
752                                                         ((__VALUE__) == OB_WRPAREA_ZONE_B))
753 
754 #define IS_OB_RDP_LEVEL(__LEVEL__)                     (((__LEVEL__) == OB_RDP_LEVEL_0)   ||\
755                                                         ((__LEVEL__) == OB_RDP_LEVEL_1)   ||\
756                                                         ((__LEVEL__) == OB_RDP_LEVEL_2))
757 
758 #define IS_OB_USER_TYPE(__TYPE__)                      ((((__TYPE__) & OB_USER_ALL) != 0x00U) && \
759                                                         (((__TYPE__) & ~OB_USER_ALL) == 0x00U))
760 
761 #define IS_OB_USER_CONFIG(__TYPE__,__CONFIG__)         ((~(__TYPE__) & (__CONFIG__)) == 0x00U)
762 
763 #define IS_OB_PCROP_CONFIG(__CONFIG__)                 (((__CONFIG__) & ~(OB_PCROP_ZONE_A | OB_PCROP_ZONE_B | \
764                                                                           OB_PCROP_RDP_ERASE)) == 0x00U)
765 
766 #define IS_OB_SEC_BOOT_LOCK(__VALUE__)                 (((__VALUE__) == OB_BOOT_ENTRY_FORCED_NONE) || \
767                                                         ((__VALUE__) == OB_BOOT_ENTRY_FORCED_FLASH))
768 
769 #define IS_OB_SEC_SIZE(__VALUE__)                      ((__VALUE__) < (FLASH_PAGE_NB + 1U))
770 
771 #define IS_FLASH_LATENCY(__LATENCY__)                  (((__LATENCY__) == FLASH_LATENCY_0) || \
772                                                         ((__LATENCY__) == FLASH_LATENCY_1))
773 /**
774   * @}
775   */
776 
777 /**
778   * @}
779   */
780 
781 /**
782   * @}
783   */
784 
785 #ifdef __cplusplus
786 }
787 #endif
788 
789 #endif /* STM32C0xx_HAL_FLASH_H */
790