1 /**
2   ******************************************************************************
3   * @file    stm32f37x_flash.h
4   * @author  MCD Application Team
5   * @version V1.0.0
6   * @date    20-September-2012
7   * @brief   This file contains all the functions prototypes for the FLASH
8   *          firmware library.
9   ******************************************************************************
10   * @attention
11   *
12   * <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
13   *
14   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
15   * You may not use this file except in compliance with the License.
16   * You may obtain a copy of the License at:
17   *
18   *        http://www.st.com/software_license_agreement_liberty_v2
19   *
20   * Unless required by applicable law or agreed to in writing, software
21   * distributed under the License is distributed on an "AS IS" BASIS,
22   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23   * See the License for the specific language governing permissions and
24   * limitations under the License.
25   *
26   ******************************************************************************
27   */
28 
29 /* Define to prevent recursive inclusion -------------------------------------*/
30 #ifndef __STM32F37X_FLASH_H
31 #define __STM32F37X_FLASH_H
32 
33 #ifdef __cplusplus
34  extern "C" {
35 #endif
36 
37 /* Includes ------------------------------------------------------------------*/
38 #include "stm32f37x.h"
39 
40 /** @addtogroup STM32F37x_StdPeriph_Driver
41   * @{
42   */
43 
44 /** @addtogroup FLASH
45   * @{
46   */
47 
48 /* Exported types ------------------------------------------------------------*/
49 /**
50   * @brief FLASH Status
51   */
52 typedef enum
53 {
54   FLASH_BUSY = 1,
55   FLASH_ERROR_WRP,
56   FLASH_ERROR_PROGRAM,
57   FLASH_COMPLETE,
58   FLASH_TIMEOUT
59 }FLASH_Status;
60 
61 /* Exported constants --------------------------------------------------------*/
62 
63 /** @defgroup FLASH_Exported_Constants
64   * @{
65   */
66 
67 /** @defgroup FLASH_Latency
68   * @{
69   */
70 #define FLASH_Latency_0                ((uint8_t)0x0000)    /*!< FLASH Zero Latency cycle */
71 #define FLASH_Latency_1                FLASH_ACR_LATENCY_0  /*!< FLASH One Latency cycle */
72 #define FLASH_Latency_2                FLASH_ACR_LATENCY_1  /*!< FLASH Two Latency cycles */
73 
74 #define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \
75                                    ((LATENCY) == FLASH_Latency_1) || \
76                                    ((LATENCY) == FLASH_Latency_2))
77 /**
78   * @}
79   */
80 
81 /** @defgroup FLASH_Interrupts
82   * @{
83   */
84 
85 #define FLASH_IT_EOP                   FLASH_CR_EOPIE  /*!< End of programming interrupt source */
86 #define FLASH_IT_ERR                   FLASH_CR_ERRIE  /*!< Error interrupt source */
87 #define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0xFFFFEBFF) == 0x00000000) && (((IT) != 0x00000000)))
88 /**
89   * @}
90   */
91 /** @defgroup FLASH_Address
92   * @{
93   */
94 
95 #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0803FFFF))
96 
97 /**
98   * @}
99   */
100 
101 /** @defgroup FLASH_OB_DATA_ADDRESS
102   * @{
103   */
104 #define IS_OB_DATA_ADDRESS(ADDRESS) (((ADDRESS) == 0x1FFFF804) || ((ADDRESS) == 0x1FFFF806))
105 
106 /**
107   * @}
108   */
109 
110 /** @defgroup FLASH_Option_Bytes_Write_Protection
111   * @{
112   */
113 
114 
115 #define OB_WRP_Pages0to1               ((uint32_t)0x00000001) /* Write protection of page 0 to 1 */
116 #define OB_WRP_Pages2to3               ((uint32_t)0x00000002) /* Write protection of page 2 to 3 */
117 #define OB_WRP_Pages4to5               ((uint32_t)0x00000004) /* Write protection of page 4 to 5 */
118 #define OB_WRP_Pages6to7               ((uint32_t)0x00000008) /* Write protection of page 6 to 7 */
119 #define OB_WRP_Pages8to9               ((uint32_t)0x00000010) /* Write protection of page 8 to 9 */
120 #define OB_WRP_Pages10to11             ((uint32_t)0x00000020) /* Write protection of page 10 to 11 */
121 #define OB_WRP_Pages12to13             ((uint32_t)0x00000040) /* Write protection of page 12 to 13 */
122 #define OB_WRP_Pages14to15             ((uint32_t)0x00000080) /* Write protection of page 14 to 15 */
123 #define OB_WRP_Pages16to17             ((uint32_t)0x00000100) /* Write protection of page 16 to 17 */
124 #define OB_WRP_Pages18to19             ((uint32_t)0x00000200) /* Write protection of page 18 to 19 */
125 #define OB_WRP_Pages20to21             ((uint32_t)0x00000400) /* Write protection of page 20 to 21 */
126 #define OB_WRP_Pages22to23             ((uint32_t)0x00000800) /* Write protection of page 22 to 23 */
127 #define OB_WRP_Pages24to25             ((uint32_t)0x00001000) /* Write protection of page 24 to 25 */
128 #define OB_WRP_Pages26to27             ((uint32_t)0x00002000) /* Write protection of page 26 to 27 */
129 #define OB_WRP_Pages28to29             ((uint32_t)0x00004000) /* Write protection of page 28 to 29 */
130 #define OB_WRP_Pages30to31             ((uint32_t)0x00008000) /* Write protection of page 30 to 31 */
131 #define OB_WRP_Pages32to33             ((uint32_t)0x00010000) /* Write protection of page 32 to 33 */
132 #define OB_WRP_Pages34to35             ((uint32_t)0x00020000) /* Write protection of page 34 to 35 */
133 #define OB_WRP_Pages36to37             ((uint32_t)0x00040000) /* Write protection of page 36 to 37 */
134 #define OB_WRP_Pages38to39             ((uint32_t)0x00080000) /* Write protection of page 38 to 39 */
135 #define OB_WRP_Pages40to41             ((uint32_t)0x00100000) /* Write protection of page 40 to 41 */
136 #define OB_WRP_Pages42to43             ((uint32_t)0x00200000) /* Write protection of page 42 to 43 */
137 #define OB_WRP_Pages44to45             ((uint32_t)0x00400000) /* Write protection of page 44 to 45 */
138 #define OB_WRP_Pages46to47             ((uint32_t)0x00800000) /* Write protection of page 46 to 47 */
139 #define OB_WRP_Pages48to49             ((uint32_t)0x01000000) /* Write protection of page 48 to 49 */
140 #define OB_WRP_Pages50to51             ((uint32_t)0x02000000) /* Write protection of page 50 to 51 */
141 #define OB_WRP_Pages52to53             ((uint32_t)0x04000000) /* Write protection of page 52 to 53 */
142 #define OB_WRP_Pages54to55             ((uint32_t)0x08000000) /* Write protection of page 54 to 55 */
143 #define OB_WRP_Pages56to57             ((uint32_t)0x10000000) /* Write protection of page 56 to 57 */
144 #define OB_WRP_Pages58to59             ((uint32_t)0x20000000) /* Write protection of page 58 to 59 */
145 #define OB_WRP_Pages60to61             ((uint32_t)0x40000000) /* Write protection of page 60 to 61 */
146 #define OB_WRP_Pages62to127            ((uint32_t)0x80000000) /* Write protection of page 62 to 127 */
147 
148 #define OB_WRP_AllPages                ((uint32_t)0xFFFFFFFF) /*!< Write protection of all Sectors */
149 
150 #define IS_OB_WRP(PAGE) (((PAGE) != 0x0000000))
151 
152 /**
153   * @}
154   */
155 
156 /** @defgroup FLASH_Option_Bytes_Read_Protection
157   * @{
158   */
159 
160 /**
161   * @brief  FLASH_Read_Protection_Level
162   */
163 #define OB_RDP_Level_0   ((uint8_t)0xAA)
164 #define OB_RDP_Level_1   ((uint8_t)0xBB)
165 /*#define OB_RDP_Level_2   ((uint8_t)0xCC)*/ /* Warning: When enabling read protection level 2
166                                                 it's no more possible to go back to level 1 or 0 */
167 
168 #define IS_OB_RDP(LEVEL) (((LEVEL) == OB_RDP_Level_0)||\
169                           ((LEVEL) == OB_RDP_Level_1))/*||\
170                           ((LEVEL) == OB_RDP_Level_2))*/
171 /**
172   * @}
173   */
174 
175 /** @defgroup FLASH_Option_Bytes_IWatchdog
176   * @{
177   */
178 
179 #define OB_IWDG_SW                     ((uint8_t)0x01)  /*!< Software IWDG selected */
180 #define OB_IWDG_HW                     ((uint8_t)0x00)  /*!< Hardware IWDG selected */
181 #define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW))
182 
183 /**
184   * @}
185   */
186 
187 /** @defgroup FLASH_Option_Bytes_nRST_STOP
188   * @{
189   */
190 
191 #define OB_STOP_NoRST                  ((uint8_t)0x02) /*!< No reset generated when entering in STOP */
192 #define OB_STOP_RST                    ((uint8_t)0x00) /*!< Reset generated when entering in STOP */
193 #define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST))
194 
195 /**
196   * @}
197   */
198 
199 /** @defgroup FLASH_Option_Bytes_nRST_STDBY
200   * @{
201   */
202 
203 #define OB_STDBY_NoRST                 ((uint8_t)0x04) /*!< No reset generated when entering in STANDBY */
204 #define OB_STDBY_RST                   ((uint8_t)0x00) /*!< Reset generated when entering in STANDBY */
205 #define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST))
206 
207 /**
208   * @}
209   */
210 
211 /** @defgroup FLASH_Option_Bytes_BOOT1
212   * @{
213   */
214 
215 #define OB_BOOT1_RESET                 ((uint8_t)0x00) /*!< BOOT1 Reset */
216 #define OB_BOOT1_SET                   ((uint8_t)0x10) /*!< BOOT1 Set */
217 #define IS_OB_BOOT1(BOOT1) (((BOOT1) == OB_BOOT1_RESET) || ((BOOT1) == OB_BOOT1_SET))
218 
219 /**
220   * @}
221   */
222 
223 /** @defgroup FLASH_Option_Bytes_VDDA_Analog_Monitoring
224   * @{
225   */
226 
227 #define OB_VDDA_ANALOG_ON              ((uint8_t)0x20) /*!< Analog monitoring on VDDA Power source ON */
228 #define OB_VDDA_ANALOG_OFF             ((uint8_t)0x00) /*!< Analog monitoring on VDDA Power source OFF */
229 
230 #define IS_OB_VDDA_ANALOG(ANALOG) (((ANALOG) == OB_VDDA_ANALOG_ON) || ((ANALOG) == OB_VDDA_ANALOG_OFF))
231 
232 /**
233   * @}
234   */
235 /** @defgroup FLASH_Option_Bytes_VDD_Analog_Monitoring
236   * @{
237   */
238 
239 #define OB_VDD_SD12_ON              ((uint8_t)0x80) /*!< Analog monitoring on VDDA Power source ON */
240 #define OB_VDD_SD12_OFF             ((uint8_t)0x00) /*!< Analog monitoring on VDDA Power source OFF */
241 
242 #define IS_OB_VDD_SD12(MODE) (((MODE) == OB_VDD_SD12_ON) || ((MODE) == OB_VDD_SD12_OFF))
243 
244 /**
245   * @}
246   */
247 
248 /** @defgroup FLASH_Option_Bytes_SRAM_Parity_Enable
249   * @{
250   */
251 
252 #define OB_SRAM_PARITY_SET              ((uint8_t)0x00) /*!< SRAM parity enable Set */
253 #define OB_SRAM_PARITY_RESET            ((uint8_t)0x40) /*!< SRAM parity enable reset */
254 
255 #define IS_OB_SRAM_PARITY(PARITY) (((PARITY) == OB_SRAM_PARITY_SET) || ((PARITY) == OB_SRAM_PARITY_RESET))
256 
257 /**
258   * @}
259   */
260 
261 /** @defgroup FLASH_Flags
262   * @{
263   */
264 
265 #define FLASH_FLAG_BSY                 FLASH_SR_BSY     /*!< FLASH Busy flag */
266 #define FLASH_FLAG_PGERR               FLASH_SR_PGERR   /*!< FLASH Programming error flag */
267 #define FLASH_FLAG_WRPERR              FLASH_SR_WRPERR  /*!< FLASH Write protected error flag */
268 #define FLASH_FLAG_EOP                 FLASH_SR_EOP     /*!< FLASH End of Programming flag */
269 
270 #define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFFC3) == 0x00000000) && ((FLAG) != 0x00000000))
271 
272 #define IS_FLASH_GET_FLAG(FLAG)  (((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_PGERR) || \
273                                   ((FLAG) == FLASH_FLAG_WRPERR) || ((FLAG) == FLASH_FLAG_EOP))
274 /**
275   * @}
276   */
277 
278 /** @defgroup FLASH_Keys
279   * @{
280   */
281 #define RDP_KEY                  ((uint16_t)0x00A5)
282 #define FLASH_KEY1               ((uint32_t)0x45670123)
283 #define FLASH_KEY2               ((uint32_t)0xCDEF89AB)
284 #define FLASH_OPTKEY1            FLASH_KEY1
285 #define FLASH_OPTKEY2            FLASH_KEY2
286 /**
287   * @}
288   */
289 
290 /** @defgroup FLASH_Timeout_definition
291   * @{
292   */
293 
294 #define FLASH_ER_PRG_TIMEOUT         ((uint32_t)0x000B0000)
295 
296 /**
297   * @}
298   */
299 
300 /** @defgroup FLASH_Legacy
301   * @{
302   */
303 #define FLASH_WRProt_Pages0to1	       OB_WRP_Pages0to1
304 #define FLASH_WRProt_Pages2to3	       OB_WRP_Pages2to3
305 #define FLASH_WRProt_Pages4to5	       OB_WRP_Pages4to5
306 #define FLASH_WRProt_Pages6to7	       OB_WRP_Pages6to7
307 #define FLASH_WRProt_Pages8to9	       OB_WRP_Pages8to9
308 #define FLASH_WRProt_Pages10to11	   OB_WRP_Pages10to11
309 #define FLASH_WRProt_Pages12to13	   OB_WRP_Pages12to13
310 #define FLASH_WRProt_Pages14to15	   OB_WRP_Pages14to15
311 #define FLASH_WRProt_Pages16to17	   OB_WRP_Pages16to17
312 #define FLASH_WRProt_Pages18to19	   OB_WRP_Pages18to19
313 #define FLASH_WRProt_Pages20to21	   OB_WRP_Pages20to21
314 #define FLASH_WRProt_Pages22to23	   OB_WRP_Pages22to23
315 #define FLASH_WRProt_Pages24to25	   OB_WRP_Pages24to25
316 #define FLASH_WRProt_Pages26to27	   OB_WRP_Pages26to27
317 #define FLASH_WRProt_Pages28to29	   OB_WRP_Pages28to29
318 #define FLASH_WRProt_Pages30to31	   OB_WRP_Pages30to31
319 #define FLASH_WRProt_Pages32to33	   OB_WRP_Pages32to33
320 #define FLASH_WRProt_Pages34to35	   OB_WRP_Pages34to35
321 #define FLASH_WRProt_Pages36to37	   OB_WRP_Pages36to37
322 #define FLASH_WRProt_Pages38to39	   OB_WRP_Pages38to39
323 #define FLASH_WRProt_Pages40to41	   OB_WRP_Pages40to41
324 #define FLASH_WRProt_Pages42to43	   OB_WRP_Pages42to43
325 #define FLASH_WRProt_Pages44to45	   OB_WRP_Pages44to45
326 #define FLASH_WRProt_Pages46to47	   OB_WRP_Pages46to47
327 #define FLASH_WRProt_Pages48to49	   OB_WRP_Pages48to49
328 #define FLASH_WRProt_Pages50to51	   OB_WRP_Pages50to51
329 #define FLASH_WRProt_Pages52to53	   OB_WRP_Pages52to53
330 #define FLASH_WRProt_Pages54to55	   OB_WRP_Pages54to55
331 #define FLASH_WRProt_Pages56to57	   OB_WRP_Pages56to57
332 #define FLASH_WRProt_Pages58to59	   OB_WRP_Pages58to59
333 #define FLASH_WRProt_Pages60to61	   OB_WRP_Pages60to61
334 #define FLASH_WRProt_Pages62to127	   OB_WRP_Pages62to127
335 
336 #define FLASH_WRProt_AllPages          OB_WRP_AllPages
337 /**
338   * @}
339   */
340 /**
341   * @}
342   */
343 /* Exported macro ------------------------------------------------------------*/
344 /* Exported functions --------------------------------------------------------*/
345 
346 /* FLASH Interface configuration functions ************************************/
347 void FLASH_SetLatency(uint32_t FLASH_Latency);
348 void FLASH_HalfCycleAccessCmd(FunctionalState NewState);
349 void FLASH_PrefetchBufferCmd(FunctionalState NewState);
350 
351 /* FLASH Memory Programming functions *****************************************/
352 void FLASH_Unlock(void);
353 void FLASH_Lock(void);
354 FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
355 FLASH_Status FLASH_EraseAllPages(void);
356 FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
357 FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
358 
359 /* FLASH Option Bytes Programming functions *****************************************/
360 void FLASH_OB_Unlock(void);
361 void FLASH_OB_Lock(void);
362 void FLASH_OB_Launch(void);
363 FLASH_Status FLASH_OB_Erase(void);
364 FLASH_Status FLASH_OB_ProgramData(uint32_t Address, uint8_t Data);
365 FLASH_Status FLASH_OB_EnableWRP(uint32_t OB_WRP);
366 FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP);
367 FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
368 FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1);
369 FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG);
370 FLASH_Status FLASH_OB_VDD_SD12Config(uint8_t OB_VDD_SD12);
371 FLASH_Status FLASH_OB_SRAMParityConfig(uint8_t OB_SRAM_Parity);
372 FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER);
373 uint8_t FLASH_OB_GetUser(void);
374 uint32_t FLASH_OB_GetWRP(void);
375 FlagStatus FLASH_OB_GetRDP(void);
376 
377 /* FLASH Interrupts and flags management functions **********************************/
378 void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);
379 FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);
380 void FLASH_ClearFlag(uint32_t FLASH_FLAG);
381 FLASH_Status FLASH_GetStatus(void);
382 FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout);
383 
384 
385 /** @defgroup FLASH_Legacy
386   * @{
387   */
388 #define FLASH_EraseOptionBytes               FLASH_OB_Erase
389 #define FLASH_EnableWriteProtection	         FLASH_OB_EnableWRP
390 #define FLASH_UserOptionByteConfig	         FLASH_OB_UserConfig
391 #define FLASH_ProgramOptionByteData          FLASH_OB_ProgramData
392 #define FLASH_GetUserOptionByte	             FLASH_OB_GetUser
393 #define FLASH_GetWriteProtectionOptionByte   FLASH_OB_GetWRP
394 /**
395   * @}
396   */
397 
398 #ifdef __cplusplus
399 }
400 #endif
401 
402 #endif /* __STM32F37X_FLASH_H */
403 
404 /**
405   * @}
406   */
407 
408 /**
409   * @}
410   */
411 
412 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
413