text: /******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
  * File Name          : stm32f10x_flash.h
  * Author             : MCD Application Team
  * Version            : V2.0
  * Date               : 05/23/2008
  * Description        : This file contains all the functions prototypes for the
  *                      FLASH firmware library.
  ********************************************************************************
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
  * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
  * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
  * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
  * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  * FOR MORE INFORMATION PLEASE CAREFULLY READ THE LICENSE AGREEMENT FILE LOCATED 
  * IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE.
  *******************************************************************************/
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __STM32F10x_FLASH_H
  #define __STM32F10x_FLASH_H
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f10x_map.h"
  
  /* Exported types ------------------------------------------------------------*/
  #ifdef _FLASH_PROG
  /* FLASH Status */
  typedef enum
  { 
    FLASH_BUSY = 1,
    FLASH_ERROR_PG,
    FLASH_ERROR_WRP,
    FLASH_COMPLETE,
    FLASH_TIMEOUT
  }FLASH_Status;
  #endif
  
  /* Flash Latency -------------------------------------------------------------*/
  #define FLASH_Latency_0                ((u32)0x00000000)  /* FLASH Zero Latency cycle */
  #define FLASH_Latency_1                ((u32)0x00000001)  /* FLASH One Latency cycle */
  #define FLASH_Latency_2                ((u32)0x00000002)  /* FLASH Two Latency cycles */
  
  #define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \
                                     ((LATENCY) == FLASH_Latency_1) || \
                                     ((LATENCY) == FLASH_Latency_2))
  
  /* Half Cycle Enable/Disable -------------------------------------------------*/
  #define FLASH_HalfCycleAccess_Enable   ((u32)0x00000008)  /* FLASH Half Cycle Enable */
  #define FLASH_HalfCycleAccess_Disable  ((u32)0x00000000)  /* FLASH Half Cycle Disable */
  
  #define IS_FLASH_HALFCYCLEACCESS_STATE(STATE) (((STATE) == FLASH_HalfCycleAccess_Enable) || \
                                                 ((STATE) == FLASH_HalfCycleAccess_Disable)) 
  
  
  /* Prefetch Buffer Enable/Disable --------------------------------------------*/
  #define FLASH_PrefetchBuffer_Enable    ((u32)0x00000010)  /* FLASH Prefetch Buffer Enable */
  #define FLASH_PrefetchBuffer_Disable   ((u32)0x00000000)  /* FLASH Prefetch Buffer Disable */
  
  #define IS_FLASH_PREFETCHBUFFER_STATE(STATE) (((STATE) == FLASH_PrefetchBuffer_Enable) || \
                                                ((STATE) == FLASH_PrefetchBuffer_Disable)) 
  
  #ifdef _FLASH_PROG
  /* Option Bytes Write Protection ---------------------------------------------*/
  /* Values to be used with STM32F10Xxx Medium-density devices: FLASH memory density
     ranges between 32 and 128 Kbytes with page size equal to 1 Kbytes */
  #define FLASH_WRProt_Pages0to3         ((u32)0x00000001) /* Write protection of page 0 to 3 */
  #define FLASH_WRProt_Pages4to7         ((u32)0x00000002) /* Write protection of page 4 to 7 */
  #define FLASH_WRProt_Pages8to11        ((u32)0x00000004) /* Write protection of page 8 to 11 */
  #define FLASH_WRProt_Pages12to15       ((u32)0x00000008) /* Write protection of page 12 to 15 */
  #define FLASH_WRProt_Pages16to19       ((u32)0x00000010) /* Write protection of page 16 to 19 */
  #define FLASH_WRProt_Pages20to23       ((u32)0x00000020) /* Write protection of page 20 to 23 */
  #define FLASH_WRProt_Pages24to27       ((u32)0x00000040) /* Write protection of page 24 to 27 */
  #define FLASH_WRProt_Pages28to31       ((u32)0x00000080) /* Write protection of page 28 to 31 */
  #define FLASH_WRProt_Pages32to35       ((u32)0x00000100) /* Write protection of page 32 to 35 */
  #define FLASH_WRProt_Pages36to39       ((u32)0x00000200) /* Write protection of page 36 to 39 */
  #define FLASH_WRProt_Pages40to43       ((u32)0x00000400) /* Write protection of page 40 to 43 */
  #define FLASH_WRProt_Pages44to47       ((u32)0x00000800) /* Write protection of page 44 to 47 */
  #define FLASH_WRProt_Pages48to51       ((u32)0x00001000) /* Write protection of page 48 to 51 */
  #define FLASH_WRProt_Pages52to55       ((u32)0x00002000) /* Write protection of page 52 to 55 */
  #define FLASH_WRProt_Pages56to59       ((u32)0x00004000) /* Write protection of page 56 to 59 */
  #define FLASH_WRProt_Pages60to63       ((u32)0x00008000) /* Write protection of page 60 to 63 */
  #define FLASH_WRProt_Pages64to67       ((u32)0x00010000) /* Write protection of page 64 to 67 */
  #define FLASH_WRProt_Pages68to71       ((u32)0x00020000) /* Write protection of page 68 to 71 */
  #define FLASH_WRProt_Pages72to75       ((u32)0x00040000) /* Write protection of page 72 to 75 */
  #define FLASH_WRProt_Pages76to79       ((u32)0x00080000) /* Write protection of page 76 to 79 */
  #define FLASH_WRProt_Pages80to83       ((u32)0x00100000) /* Write protection of page 80 to 83 */
  #define FLASH_WRProt_Pages84to87       ((u32)0x00200000) /* Write protection of page 84 to 87 */
  #define FLASH_WRProt_Pages88to91       ((u32)0x00400000) /* Write protection of page 88 to 91 */
  #define FLASH_WRProt_Pages92to95       ((u32)0x00800000) /* Write protection of page 92 to 95 */
  #define FLASH_WRProt_Pages96to99       ((u32)0x01000000) /* Write protection of page 96 to 99 */
  #define FLASH_WRProt_Pages100to103     ((u32)0x02000000) /* Write protection of page 100 to 103 */
  #define FLASH_WRProt_Pages104to107     ((u32)0x04000000) /* Write protection of page 104 to 107 */
  #define FLASH_WRProt_Pages108to111     ((u32)0x08000000) /* Write protection of page 108 to 111 */
  #define FLASH_WRProt_Pages112to115     ((u32)0x10000000) /* Write protection of page 112 to 115 */
  #define FLASH_WRProt_Pages116to119     ((u32)0x20000000) /* Write protection of page 115 to 119 */
  #define FLASH_WRProt_Pages120to123     ((u32)0x40000000) /* Write protection of page 120 to 123 */
  #define FLASH_WRProt_Pages124to127     ((u32)0x80000000) /* Write protection of page 124 to 127 */
  /* Values to be used with STM32F10Xxx High-density devices: FLASH memory density
     ranges between 256 and 512 Kbytes with page size equal to 2 Kbytes */
  #define FLASH_WRProt_Pages0to1         ((u32)0x00000001) /* Write protection of page 0 to 1 */
  #define FLASH_WRProt_Pages2to3         ((u32)0x00000002) /* Write protection of page 2 to 3 */
  #define FLASH_WRProt_Pages4to5         ((u32)0x00000004) /* Write protection of page 4 to 5 */
  #define FLASH_WRProt_Pages6to7         ((u32)0x00000008) /* Write protection of page 6 to 7 */
  #define FLASH_WRProt_Pages8to9         ((u32)0x00000010) /* Write protection of page 8 to 9 */
  #define FLASH_WRProt_Pages10to11       ((u32)0x00000020) /* Write protection of page 10 to 11 */
  #define FLASH_WRProt_Pages12to13       ((u32)0x00000040) /* Write protection of page 12 to 13 */
  #define FLASH_WRProt_Pages14to15       ((u32)0x00000080) /* Write protection of page 14 to 15 */
  #define FLASH_WRProt_Pages16to17       ((u32)0x00000100) /* Write protection of page 16 to 17 */
  #define FLASH_WRProt_Pages18to19       ((u32)0x00000200) /* Write protection of page 18 to 19 */
  #define FLASH_WRProt_Pages20to21       ((u32)0x00000400) /* Write protection of page 20 to 21 */
  #define FLASH_WRProt_Pages22to23       ((u32)0x00000800) /* Write protection of page 22 to 23 */
  #define FLASH_WRProt_Pages24to25       ((u32)0x00001000) /* Write protection of page 24 to 25 */
  #define FLASH_WRProt_Pages26to27       ((u32)0x00002000) /* Write protection of page 26 to 27 */
  #define FLASH_WRProt_Pages28to29       ((u32)0x00004000) /* Write protection of page 28 to 29 */
  #define FLASH_WRProt_Pages30to31       ((u32)0x00008000) /* Write protection of page 30 to 31 */
  #define FLASH_WRProt_Pages32to33       ((u32)0x00010000) /* Write protection of page 32 to 33 */
  #define FLASH_WRProt_Pages34to35       ((u32)0x00020000) /* Write protection of page 34 to 35 */
  #define FLASH_WRProt_Pages36to37       ((u32)0x00040000) /* Write protection of page 36 to 37 */
  #define FLASH_WRProt_Pages38to39       ((u32)0x00080000) /* Write protection of page 38 to 39 */
  #define FLASH_WRProt_Pages40to41       ((u32)0x00100000) /* Write protection of page 40 to 41 */
  #define FLASH_WRProt_Pages42to43       ((u32)0x00200000) /* Write protection of page 42 to 43 */
  #define FLASH_WRProt_Pages44to45       ((u32)0x00400000) /* Write protection of page 44 to 45 */
  #define FLASH_WRProt_Pages46to47       ((u32)0x00800000) /* Write protection of page 46 to 47 */
  #define FLASH_WRProt_Pages48to49       ((u32)0x01000000) /* Write protection of page 48 to 49 */
  #define FLASH_WRProt_Pages50to51       ((u32)0x02000000) /* Write protection of page 50 to 51 */
  #define FLASH_WRProt_Pages52to53       ((u32)0x04000000) /* Write protection of page 52 to 53 */
  #define FLASH_WRProt_Pages54to55       ((u32)0x08000000) /* Write protection of page 54 to 55 */
  #define FLASH_WRProt_Pages56to57       ((u32)0x10000000) /* Write protection of page 56 to 57 */
  #define FLASH_WRProt_Pages58to59       ((u32)0x20000000) /* Write protection of page 58 to 59 */
  #define FLASH_WRProt_Pages60to61       ((u32)0x40000000) /* Write protection of page 60 to 61 */
  #define FLASH_WRProt_Pages62to255      ((u32)0x80000000) /* Write protection of page 62 to 255 */
  #define FLASH_WRProt_AllPages          ((u32)0xFFFFFFFF) /* Write protection of all Pages */
  
  #define IS_FLASH_WRPROT_PAGE(PAGE) (((PAGE) != 0x00000000))
  
  #define IS_FLASH_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) < 0x0807FFFF))
  #define IS_OB_DATA_ADDRESS(ADDRESS) (((ADDRESS) == 0x1FFFF804) || ((ADDRESS) == 0x1FFFF806))
  
  /* Option Bytes IWatchdog ----------------------------------------------------*/
  #define OB_IWDG_SW                     ((u16)0x0001)  /* Software IWDG selected */
  #define OB_IWDG_HW                     ((u16)0x0000)  /* Hardware IWDG selected */
  
  #define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW))
  
  /* Option Bytes nRST_STOP ----------------------------------------------------*/
  #define OB_STOP_NoRST                  ((u16)0x0002) /* No reset generated when entering in STOP */
  #define OB_STOP_RST                    ((u16)0x0000) /* Reset generated when entering in STOP */
  
  #define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST))
  
  /* Option Bytes nRST_STDBY ---------------------------------------------------*/
  #define OB_STDBY_NoRST                 ((u16)0x0004) /* No reset generated when entering in STANDBY */
  #define OB_STDBY_RST                   ((u16)0x0000) /* Reset generated when entering in STANDBY */
  
  #define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST))
  
  /* FLASH Interrupts ----------------------------------------------------------*/
  #define FLASH_IT_ERROR                 ((u32)0x00000400)  /* FPEC error interrupt source */
  #define FLASH_IT_EOP                   ((u32)0x00001000)  /* End of FLASH Operation Interrupt source */
  
  #define IS_FLASH_IT(IT) ((((IT) & (u32)0xFFFFEBFF) == 0x00000000) && (((IT) != 0x00000000)))
  
  /* FLASH Flags ---------------------------------------------------------------*/
  #define FLASH_FLAG_BSY                 ((u32)0x00000001)  /* FLASH Busy flag */
  #define FLASH_FLAG_EOP                 ((u32)0x00000020)  /* FLASH End of Operation flag */
  #define FLASH_FLAG_PGERR               ((u32)0x00000004)  /* FLASH Program error flag */
  #define FLASH_FLAG_WRPRTERR            ((u32)0x00000010)  /* FLASH Write protected error flag */
  #define FLASH_FLAG_OPTERR              ((u32)0x00000001)  /* FLASH Option Byte error flag */
   
  #define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (u32)0xFFFFFFCA) == 0x00000000) && ((FLAG) != 0x00000000))
  
  #define IS_FLASH_GET_FLAG(FLAG)  (((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_EOP) || \
                                    ((FLAG) == FLASH_FLAG_PGERR) || ((FLAG) == FLASH_FLAG_WRPRTERR) || \
                                    ((FLAG) == FLASH_FLAG_OPTERR))
  #endif
  								 
  /* Exported constants --------------------------------------------------------*/
  /* Exported macro ------------------------------------------------------------*/
  /* Exported functions ------------------------------------------------------- */
  void FLASH_SetLatency(u32 FLASH_Latency);
  void FLASH_HalfCycleAccessCmd(u32 FLASH_HalfCycleAccess);
  void FLASH_PrefetchBufferCmd(u32 FLASH_PrefetchBuffer);
  
  #ifdef _FLASH_PROG
  void FLASH_Unlock(void);
  void FLASH_Lock(void);
  FLASH_Status FLASH_ErasePage(u32 Page_Address);
  FLASH_Status FLASH_EraseAllPages(void);
  FLASH_Status FLASH_EraseOptionBytes(void);
  FLASH_Status FLASH_ProgramWord(u32 Address, u32 Data);
  FLASH_Status FLASH_ProgramHalfWord(u32 Address, u16 Data);
  FLASH_Status FLASH_ProgramOptionByteData(u32 Address, u8 Data);
  FLASH_Status FLASH_EnableWriteProtection(u32 FLASH_Pages);
  FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState);
  FLASH_Status FLASH_UserOptionByteConfig(u16 OB_IWDG, u16 OB_STOP, u16 OB_STDBY);
  u32 FLASH_GetUserOptionByte(void);
  u32 FLASH_GetWriteProtectionOptionByte(void);
  FlagStatus FLASH_GetReadOutProtectionStatus(void);
  FlagStatus FLASH_GetPrefetchBufferStatus(void);
  void FLASH_ITConfig(u16 FLASH_IT, FunctionalState NewState);
  FlagStatus FLASH_GetFlagStatus(u16 FLASH_FLAG);
  void FLASH_ClearFlag(u16 FLASH_FLAG);
  FLASH_Status FLASH_GetStatus(void);
  FLASH_Status FLASH_WaitForLastOperation(u32 Timeout);
  #endif
  
  #endif /* __STM32F10x_FLASH_H */
  
  /******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
  