1 /**
2   ******************************************************************************
3   * @file    stm32l0xx_hal_flash.h
4   * @author  MCD Application Team
5   * @brief   Header file of Flash HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
10   *
11   * Redistribution and use in source and binary forms, with or without modification,
12   * are permitted provided that the following conditions are met:
13   *   1. Redistributions of source code must retain the above copyright notice,
14   *      this list of conditions and the following disclaimer.
15   *   2. Redistributions in binary form must reproduce the above copyright notice,
16   *      this list of conditions and the following disclaimer in the documentation
17   *      and/or other materials provided with the distribution.
18   *   3. Neither the name of STMicroelectronics nor the names of its contributors
19   *      may be used to endorse or promote products derived from this software
20   *      without specific prior written permission.
21   *
22   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
26   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32   *
33   ******************************************************************************
34   */
35 
36 /* Define to prevent recursive inclusion -------------------------------------*/
37 #ifndef __STM32L0xx_HAL_FLASH_H
38 #define __STM32L0xx_HAL_FLASH_H
39 
40 #ifdef __cplusplus
41  extern "C" {
42 #endif
43 
44 /* Includes ------------------------------------------------------------------*/
45 #include "stm32l0xx_hal_def.h"
46 
47 /** @addtogroup STM32L0xx_HAL_Driver
48   * @{
49   */
50 
51 /** @addtogroup FLASH
52   * @{
53   */
54 
55 /** @addtogroup FLASH_Private_Constants
56   * @{
57   */
58 #define FLASH_TIMEOUT_VALUE      (50000U) /* 50 s */
59 #define FLASH_SIZE_DATA_REGISTER FLASHSIZE_BASE
60 /**
61   * @}
62   */
63 
64 /** @addtogroup FLASH_Private_Macros
65   * @{
66   */
67 
68 #define IS_FLASH_TYPEPROGRAM(_VALUE_)   ((_VALUE_) == FLASH_TYPEPROGRAM_WORD)
69 
70 #define IS_FLASH_LATENCY(__LATENCY__) (((__LATENCY__) == FLASH_LATENCY_0) || \
71                                        ((__LATENCY__) == FLASH_LATENCY_1))
72 
73 /**
74   * @}
75   */
76 
77 /* Exported types ------------------------------------------------------------*/
78 /** @defgroup FLASH_Exported_Types FLASH Exported Types
79   * @{
80   */
81 
82 /**
83   * @brief  FLASH Procedure structure definition
84   */
85 typedef enum
86 {
87   FLASH_PROC_NONE              = 0,
88   FLASH_PROC_PAGEERASE         = 1,
89   FLASH_PROC_PROGRAM           = 2,
90 } FLASH_ProcedureTypeDef;
91 
92 /**
93   * @brief  FLASH handle Structure definition
94   */
95 typedef struct
96 {
97   __IO FLASH_ProcedureTypeDef ProcedureOnGoing; /*!< Internal variable to indicate which procedure is ongoing or not in IT context */
98 
99   __IO uint32_t               NbPagesToErase;   /*!< Internal variable to save the remaining sectors to erase in IT context*/
100 
101   __IO uint32_t               Address;          /*!< Internal variable to save address selected for program or erase */
102 
103   __IO uint32_t               Page;             /*!< Internal variable to define the current page which is erasing */
104 
105   HAL_LockTypeDef             Lock;             /*!< FLASH locking object                */
106 
107   __IO uint32_t               ErrorCode;        /*!< FLASH error code
108                                                      This parameter can be a value of @ref FLASH_Error_Codes  */
109 } FLASH_ProcessTypeDef;
110 
111 /**
112   * @}
113   */
114 
115 /* Exported constants --------------------------------------------------------*/
116 /** @defgroup FLASH_Exported_Constants FLASH Exported Constants
117   * @{
118   */
119 
120 /** @defgroup FLASH_Error_Codes FLASH Error Codes
121   * @{
122   */
123 
124 #define HAL_FLASH_ERROR_NONE      0x00U  /*!< No error */
125 #define HAL_FLASH_ERROR_PGA       0x01U  /*!< Programming alignment error */
126 #define HAL_FLASH_ERROR_WRP       0x02U  /*!< Write protection error */
127 #define HAL_FLASH_ERROR_OPTV      0x04U  /*!< Option validity error */
128 #define HAL_FLASH_ERROR_SIZE      0x08U  /*!<  */
129 #define HAL_FLASH_ERROR_RD        0x10U  /*!< Read protected error */
130 #define HAL_FLASH_ERROR_FWWERR    0x20U  /*!< FLASH Write or Erase operation aborted */
131 #define HAL_FLASH_ERROR_NOTZERO   0x40U  /*!< FLASH Write operation is done in a not-erased region */
132 
133 /**
134   * @}
135   */
136 
137 /** @defgroup FLASH_Page_Size FLASH size information
138   * @{
139   */
140 
141 #define FLASH_SIZE                (uint32_t)((*((uint32_t *)FLASHSIZE_BASE)&0xFFFF) * 1024U)
142 #define FLASH_PAGE_SIZE           ((uint32_t)128U)  /*!< FLASH Page Size in bytes */
143 
144 /**
145   * @}
146   */
147 
148 /** @defgroup FLASH_Type_Program FLASH Type Program
149   * @{
150   */
151 #define FLASH_TYPEPROGRAM_WORD       ((uint32_t)0x02U)  /*!<Program a word (32-bit) at a specified address.*/
152 
153 /**
154   * @}
155   */
156 
157 /** @defgroup FLASH_Latency FLASH Latency
158   * @{
159   */
160 #define FLASH_LATENCY_0            ((uint32_t)0x00000000U)    /*!< FLASH Zero Latency cycle */
161 #define FLASH_LATENCY_1            FLASH_ACR_LATENCY         /*!< FLASH One Latency cycle */
162 
163 /**
164   * @}
165   */
166 
167 /** @defgroup FLASH_Interrupts FLASH Interrupts
168   * @{
169   */
170 
171 #define FLASH_IT_EOP               FLASH_PECR_EOPIE  /*!< End of programming interrupt source */
172 #define FLASH_IT_ERR               FLASH_PECR_ERRIE  /*!< Error interrupt source */
173 /**
174   * @}
175   */
176 
177 /** @defgroup FLASH_Flags FLASH Flags
178   * @{
179   */
180 
181 #define FLASH_FLAG_BSY             FLASH_SR_BSY        /*!< FLASH Busy flag */
182 #define FLASH_FLAG_EOP             FLASH_SR_EOP        /*!< FLASH End of Programming flag */
183 #define FLASH_FLAG_ENDHV           FLASH_SR_HVOFF      /*!< FLASH End of High Voltage flag */
184 #define FLASH_FLAG_READY           FLASH_SR_READY      /*!< FLASH Ready flag after low power mode */
185 #define FLASH_FLAG_WRPERR          FLASH_SR_WRPERR     /*!< FLASH Write protected error flag */
186 #define FLASH_FLAG_PGAERR          FLASH_SR_PGAERR     /*!< FLASH Programming Alignment error flag */
187 #define FLASH_FLAG_SIZERR          FLASH_SR_SIZERR     /*!< FLASH Size error flag  */
188 #define FLASH_FLAG_OPTVERR         FLASH_SR_OPTVERR    /*!< FLASH Option Validity error flag  */
189 #define FLASH_FLAG_RDERR           FLASH_SR_RDERR      /*!< FLASH Read protected error flag */
190 #define FLASH_FLAG_FWWERR          FLASH_SR_FWWERR     /*!< FLASH Write or Errase operation aborted */
191 #define FLASH_FLAG_NOTZEROERR      FLASH_SR_NOTZEROERR /*!< FLASH Read protected error flag */
192 
193 /**
194   * @}
195   */
196 
197 /** @defgroup FLASH_Keys FLASH Keys
198   * @{
199   */
200 
201 #define FLASH_PDKEY1               ((uint32_t)0x04152637U) /*!< Flash power down key1 */
202 #define FLASH_PDKEY2               ((uint32_t)0xFAFBFCFDU) /*!< Flash power down key2: used with FLASH_PDKEY1
203                                                               to unlock the RUN_PD bit in FLASH_ACR */
204 
205 #define FLASH_PEKEY1               ((uint32_t)0x89ABCDEFU) /*!< Flash program erase key1 */
206 #define FLASH_PEKEY2               ((uint32_t)0x02030405U) /*!< Flash program erase key: used with FLASH_PEKEY2
207                                                                to unlock the write access to the FLASH_PECR register and
208                                                                data EEPROM */
209 
210 #define FLASH_PRGKEY1              ((uint32_t)0x8C9DAEBFU) /*!< Flash program memory key1 */
211 #define FLASH_PRGKEY2              ((uint32_t)0x13141516U) /*!< Flash program memory key2: used with FLASH_PRGKEY2
212                                                                to unlock the program memory */
213 
214 #define FLASH_OPTKEY1              ((uint32_t)0xFBEAD9C8U) /*!< Flash option key1 */
215 #define FLASH_OPTKEY2              ((uint32_t)0x24252627U) /*!< Flash option key2: used with FLASH_OPTKEY1 to
216                                                               unlock the write access to the option byte block */
217 /**
218   * @}
219   */
220 
221 /* CMSIS_Legacy */
222 
223 #if defined ( __ICCARM__ )
224 #define InterruptType_ACTLR_DISMCYCINT_Msk         IntType_ACTLR_DISMCYCINT_Msk
225 #endif
226 
227 /**
228   * @}
229   */
230 
231 /* Exported macro ------------------------------------------------------------*/
232 
233 /** @defgroup FLASH_Exported_Macros FLASH Exported Macros
234  *  @brief macros to control FLASH features
235  *  @{
236  */
237 
238 
239 /** @defgroup FLASH_Interrupt FLASH Interrupts
240  *  @brief macros to handle FLASH interrupts
241  * @{
242  */
243 
244 /**
245   * @brief  Enable the specified FLASH interrupt.
246   * @param  __INTERRUPT__  FLASH interrupt
247   *         This parameter can be any combination of the following values:
248   *     @arg @ref FLASH_IT_EOP End of FLASH Operation Interrupt
249   *     @arg @ref FLASH_IT_ERR Error Interrupt
250   * @retval none
251   */
252 #define __HAL_FLASH_ENABLE_IT(__INTERRUPT__)  SET_BIT((FLASH->PECR), (__INTERRUPT__))
253 
254 /**
255   * @brief  Disable the specified FLASH interrupt.
256   * @param  __INTERRUPT__  FLASH interrupt
257   *         This parameter can be any combination of the following values:
258   *     @arg @ref FLASH_IT_EOP End of FLASH Operation Interrupt
259   *     @arg @ref FLASH_IT_ERR Error Interrupt
260   * @retval none
261   */
262 #define __HAL_FLASH_DISABLE_IT(__INTERRUPT__)  CLEAR_BIT((FLASH->PECR), (uint32_t)(__INTERRUPT__))
263 
264 /**
265   * @brief  Get the specified FLASH flag status.
266   * @param  __FLAG__ specifies the FLASH flag to check.
267   *          This parameter can be one of the following values:
268   *            @arg @ref FLASH_FLAG_BSY         FLASH Busy flag
269   *            @arg @ref FLASH_FLAG_EOP         FLASH End of Operation flag
270   *            @arg @ref FLASH_FLAG_ENDHV       FLASH End of High Voltage flag
271   *            @arg @ref FLASH_FLAG_READY       FLASH Ready flag after low power mode
272   *            @arg @ref FLASH_FLAG_PGAERR      FLASH Programming Alignment error flag
273   *            @arg @ref FLASH_FLAG_SIZERR      FLASH Size error flag
274   *            @arg @ref FLASH_FLAG_OPTVERR     FLASH Option validity error flag (not valid with STM32L031xx/STM32L041xx)
275   *            @arg @ref FLASH_FLAG_RDERR       FLASH Read protected error flag
276   *            @arg @ref FLASH_FLAG_WRPERR      FLASH Write protected error flag
277   *            @arg @ref FLASH_FLAG_FWWERR      FLASH Fetch While Write Error flag
278   *            @arg @ref FLASH_FLAG_NOTZEROERR  Not Zero area error flag
279   * @retval The new state of __FLAG__ (SET or RESET).
280   */
281 #define __HAL_FLASH_GET_FLAG(__FLAG__)   (((FLASH->SR) & (__FLAG__)) == (__FLAG__))
282 
283 /**
284   * @brief  Clear the specified FLASH flag.
285   * @param  __FLAG__ specifies the FLASH flags to clear.
286   *          This parameter can be any combination of the following values:
287   *            @arg @ref FLASH_FLAG_EOP         FLASH End of Operation flag
288   *            @arg @ref FLASH_FLAG_PGAERR      FLASH Programming Alignment error flag
289   *            @arg @ref FLASH_FLAG_SIZERR      FLASH Size error flag
290   *            @arg @ref FLASH_FLAG_OPTVERR     FLASH Option validity error flag (not valid with STM32L031xx/STM32L041xx)
291   *            @arg @ref FLASH_FLAG_RDERR       FLASH Read protected error flag
292   *            @arg @ref FLASH_FLAG_WRPERR      FLASH Write protected error flag
293   *            @arg @ref FLASH_FLAG_FWWERR      FLASH Fetch While Write Error flag
294   *            @arg @ref FLASH_FLAG_NOTZEROERR  Not Zero area error flag
295   * @retval none
296   */
297 #define __HAL_FLASH_CLEAR_FLAG(__FLAG__)   ((FLASH->SR) = (__FLAG__))
298 
299 /**
300   * @}
301   */
302 
303 /**
304   * @}
305   */
306 
307 /* Include FLASH HAL Extended module */
308 #include "stm32l0xx_hal_flash_ex.h"
309 #include "stm32l0xx_hal_flash_ramfunc.h"
310 
311 /* Exported functions --------------------------------------------------------*/
312 /** @addtogroup FLASH_Exported_Functions
313   * @{
314   */
315 
316 /** @addtogroup FLASH_Exported_Functions_Group1
317   * @{
318   */
319 /* IO operation functions *****************************************************/
320 HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint32_t Data);
321 HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint32_t Data);
322 
323 /* FLASH IRQ handler function */
324 void       HAL_FLASH_IRQHandler(void);
325 /* Callbacks in non blocking modes */
326 void       HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue);
327 void       HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue);
328 
329 /**
330   * @}
331   */
332 
333 /** @addtogroup FLASH_Exported_Functions_Group2
334   * @{
335   */
336 /* Peripheral Control functions ***********************************************/
337 HAL_StatusTypeDef HAL_FLASH_Unlock(void);
338 HAL_StatusTypeDef HAL_FLASH_Lock(void);
339 HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void);
340 HAL_StatusTypeDef HAL_FLASH_OB_Lock(void);
341 HAL_StatusTypeDef HAL_FLASH_OB_Launch(void);
342 
343 /**
344   * @}
345   */
346 
347 /** @addtogroup FLASH_Exported_Functions_Group3
348   * @{
349   */
350 /* Peripheral State and Error functions ***************************************/
351 uint32_t HAL_FLASH_GetError(void);
352 
353 /**
354   * @}
355   */
356 
357 /**
358   * @}
359   */
360 
361 /* Private function -------------------------------------------------*/
362 /** @addtogroup FLASH_Private_Functions
363  * @{
364  */
365 HAL_StatusTypeDef       FLASH_WaitForLastOperation(uint32_t Timeout);
366 
367 /**
368   * @}
369   */
370 
371 /**
372   * @}
373   */
374 
375 /**
376   * @}
377   */
378 
379 #ifdef __cplusplus
380 }
381 #endif
382 
383 #endif /* __STM32L0xx_HAL_FLASH_H */
384 
385 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
386 
387