/*!
 * @file       apm32e10x_fmc.h
 *
 * @brief      This file contains all the functions prototypes for the FMC firmware library
 *
 * @version    V1.0.0
 *
 * @date       2021-07-26
 *
 */

#ifndef __APM32E10X_FMC_H
#define __APM32E10X_FMC_H

#include "apm32e10x.h"

#ifdef __cplusplus
extern "C" {
#endif

/** @addtogroup Peripherals_Library Standard Peripheral Library
  @{
*/

/** @addtogroup FMC_Driver FMC Driver
  @{
*/

/** @addtogroup FMC_Enumerations Enumerations
  @{
*/

/**
 * @brief Flash Latency
 */
typedef enum
{
    FMC_LATENCY_0,
    FMC_LATENCY_1,
    FMC_LATENCY_2
} FMC_LATENCY_T;

/**
 * @brief FMC Status
 */
typedef enum
{
    FMC_STATUS_BUSY = 1,   //!< flash busy
    FMC_STATUS_ERROR_PG,   //!< flash programming error
    FMC_STATUS_ERROR_WRP,  //!< flash write protection error
    FMC_STATUS_COMPLETE,   //!< flash operation complete
    FMC_STATUS_TIMEOUT     //!< flash time out
} FMC_STATUS_T;

/**
 * @brief Option Bytes IWatchdog
 */
typedef enum
{
    OB_IWDT_HARD   = 0x0000,
    OB_IWDT_SOTF   = 0x0001
} OB_IWDT_T;

/**
 * @brief Option Bytes nRST STOP
 */
typedef enum
{
    OB_STOP_RST    = 0x0000,
    OB_STOP_NORST  = 0x0002
} OB_STOP_T;

/**
 * @brief Option Bytes nRST STDBY
 */
typedef enum
{
    OB_STDBY_RST   = 0x0000,
    OB_STDBY_NORST = 0x0004
} OB_STDBY_T;

/**
 * @brief  FMC Interrupts
 */
typedef enum
{
    FMC_INT_ERR,
    FMC_INT_OC
} FMC_INT_T;

/**
 * @brief FMC flag
 */
typedef enum
{
    FMC_FLAG_BUSY = 0x00000001,  //!< FMC Busy flag
    FMC_FLAG_OC   = 0x00000020,  //!< FMC End of Operation flag
    FMC_FLAG_PE   = 0x00000004,  //!< FMC Program error flag
    FMC_FLAG_WPE  = 0x00000010,  //!< FMC Write protected error flag
    FMC_FLAG_OBE  = 0x10000001,  //!< FMC Option Byte error flag
} FMC_FLAG_T;

/**@} end of group FMC_Enumerations*/

/** @addtogroup FMC_Macros Macros
  @{
*/

/** Macros description */

/** Values for APM32 Low and Medium density devices */
#define FLASH_WRP_PAGE_0_3               ((uint32_t)BIT0) //!< Write protection of page 0 to 3
#define FLASH_WRP_PAGE_4_7               ((uint32_t)BIT1) //!< Write protection of page 4 to 7
#define FLASH_WRP_PAGE_8_11              ((uint32_t)BIT2) //!< Write protection of page 8 to 11
#define FLASH_WRP_PAGE_12_15             ((uint32_t)BIT3) //!< Write protection of page 12 to 15
#define FLASH_WRP_PAGE_16_19             ((uint32_t)BIT4) //!< Write protection of page 16 to 19
#define FLASH_WRP_PAGE_20_23             ((uint32_t)BIT5) //!< Write protection of page 20 to 23
#define FLASH_WRP_PAGE_24_27             ((uint32_t)BIT6) //!< Write protection of page 24 to 27
#define FLASH_WRP_PAGE_28_31             ((uint32_t)BIT7) //!< Write protection of page 28 to 31

/** Values for APM32 Medium-density devices */
#define FLASH_WRP_PAGE_32_35             ((uint32_t)BIT8)  //!< Write protection of page 32 to 35
#define FLASH_WRP_PAGE_36_39             ((uint32_t)BIT9)  //!< Write protection of page 36 to 39
#define FLASH_WRP_PAGE_40_43             ((uint32_t)BIT10) //!< Write protection of page 40 to 43
#define FLASH_WRP_PAGE_44_47             ((uint32_t)BIT11) //!< Write protection of page 44 to 47
#define FLASH_WRP_PAGE_48_51             ((uint32_t)BIT12) //!< Write protection of page 48 to 51
#define FLASH_WRP_PAGE_52_55             ((uint32_t)BIT13) //!< Write protection of page 52 to 55
#define FLASH_WRP_PAGE_56_59             ((uint32_t)BIT14) //!< Write protection of page 56 to 59
#define FLASH_WRP_PAGE_60_63             ((uint32_t)BIT15) //!< Write protection of page 60 to 63
#define FLASH_WRP_PAGE_64_67             ((uint32_t)BIT16) //!< Write protection of page 64 to 67
#define FLASH_WRP_PAGE_68_71             ((uint32_t)BIT17) //!< Write protection of page 68 to 71
#define FLASH_WRP_PAGE_72_75             ((uint32_t)BIT18) //!< Write protection of page 72 to 75
#define FLASH_WRP_PAGE_76_79             ((uint32_t)BIT19) //!< Write protection of page 76 to 79
#define FLASH_WRP_PAGE_80_83             ((uint32_t)BIT20) //!< Write protection of page 80 to 83
#define FLASH_WRP_PAGE_84_87             ((uint32_t)BIT21) //!< Write protection of page 84 to 87
#define FLASH_WRP_PAGE_88_91             ((uint32_t)BIT22) //!< Write protection of page 88 to 91
#define FLASH_WRP_PAGE_92_95             ((uint32_t)BIT23) //!< Write protection of page 92 to 95
#define FLASH_WRP_PAGE_96_99             ((uint32_t)BIT24) //!< Write protection of page 96 to 99
#define FLASH_WRP_PAGE_100_103           ((uint32_t)BIT25) //!< Write protection of page 100 to 103
#define FLASH_WRP_PAGE_104_107           ((uint32_t)BIT26) //!< Write protection of page 104 to 107
#define FLASH_WRP_PAGE_108_111           ((uint32_t)BIT27) //!< Write protection of page 108 to 111
#define FLASH_WRP_PAGE_112_115           ((uint32_t)BIT28) //!< Write protection of page 112 to 115
#define FLASH_WRP_PAGE_116_119           ((uint32_t)BIT29) //!< Write protection of page 116 to 119
#define FLASH_WRP_PAGE_120_123           ((uint32_t)BIT30) //!< Write protection of page 120 to 123
#define FLASH_WRP_PAGE_124_127           ((uint32_t)BIT31) //!< Write protection of page 124 to 127

/** Values only for APM32 High-density devices */
#define FLASH_WRP_PAGE_0_1             ((uint32_t)BIT0)  //!< Write protection of page 0 to 1
#define FLASH_WRP_PAGE_2_3             ((uint32_t)BIT1)  //!< Write protection of page 2 to 3
#define FLASH_WRP_PAGE_4_5             ((uint32_t)BIT2)  //!< Write protection of page 4 to 5
#define FLASH_WRP_PAGE_6_7             ((uint32_t)BIT3)  //!< Write protection of page 6 to 7
#define FLASH_WRP_PAGE_8_9             ((uint32_t)BIT4)  //!< Write protection of page 8 to 9
#define FLASH_WRP_PAGE_10_11           ((uint32_t)BIT5)  //!< Write protection of page 10 to 11
#define FLASH_WRP_PAGE_12_13           ((uint32_t)BIT6)  //!< Write protection of page 12 to 13
#define FLASH_WRP_PAGE_14_15           ((uint32_t)BIT7)  //!< Write protection of page 14 to 15
#define FLASH_WRP_PAGE_16_17           ((uint32_t)BIT8)  //!< Write protection of page 16 to 17
#define FLASH_WRP_PAGE_18_19           ((uint32_t)BIT9)  //!< Write protection of page 18 to 19
#define FLASH_WRP_PAGE_20_21           ((uint32_t)BIT10) //!< Write protection of page 20 to 21
#define FLASH_WRP_PAGE_22_23           ((uint32_t)BIT11) //!< Write protection of page 22 to 23
#define FLASH_WRP_PAGE_24_25           ((uint32_t)BIT12) //!< Write protection of page 24 to 25
#define FLASH_WRP_PAGE_26_27           ((uint32_t)BIT13) //!< Write protection of page 26 to 27
#define FLASH_WRP_PAGE_28_29           ((uint32_t)BIT14) //!< Write protection of page 28 to 29
#define FLASH_WRP_PAGE_30_31           ((uint32_t)BIT15) //!< Write protection of page 30 to 31
#define FLASH_WRP_PAGE_32_33           ((uint32_t)BIT16) //!< Write protection of page 32 to 33
#define FLASH_WRP_PAGE_34_35           ((uint32_t)BIT17) //!< Write protection of page 34 to 35
#define FLASH_WRP_PAGE_36_37           ((uint32_t)BIT18) //!< Write protection of page 36 to 37
#define FLASH_WRP_PAGE_38_39           ((uint32_t)BIT19) //!< Write protection of page 38 to 39
#define FLASH_WRP_PAGE_40_41           ((uint32_t)BIT20) //!< Write protection of page 40 to 41
#define FLASH_WRP_PAGE_42_43           ((uint32_t)BIT21) //!< Write protection of page 42 to 43
#define FLASH_WRP_PAGE_44_45           ((uint32_t)BIT22) //!< Write protection of page 44 to 45
#define FLASH_WRP_PAGE_46_47           ((uint32_t)BIT23) //!< Write protection of page 46 to 47
#define FLASH_WRP_PAGE_48_49           ((uint32_t)BIT24) //!< Write protection of page 48 to 49
#define FLASH_WRP_PAGE_50_51           ((uint32_t)BIT25) //!< Write protection of page 50 to 51
#define FLASH_WRP_PAGE_52_53           ((uint32_t)BIT26) //!< Write protection of page 52 to 53
#define FLASH_WRP_PAGE_54_55           ((uint32_t)BIT27) //!< Write protection of page 54 to 55
#define FLASH_WRP_PAGE_56_57           ((uint32_t)BIT28) //!< Write protection of page 56 to 57
#define FLASH_WRP_PAGE_58_59           ((uint32_t)BIT29) //!< Write protection of page 58 to 59
#define FLASH_WRP_PAGE_60_61           ((uint32_t)BIT30) //!< Write protection of page 60 to 61
#define FLASH_WRP_PAGE_62_127          ((uint32_t)BIT31) //!< Write protection of page 62 to 127
#define FMC_WRP_PAGE_ALL               ((uint32_t)0xFFFFFFFF) //!< Write protection of page all */

/**@} end of group FMC_Macros*/

/** @addtogroup FMC_Structure Data Structure
  @{
*/

/**
 * @brief   User Option byte config struct definition
 */
typedef struct
{
    OB_IWDT_T  iwdtSet;
    OB_STOP_T  stopSet;
    OB_STDBY_T stdbySet;
} FMC_UserConfig_T;

/**@} end of group FMC_Structure*/

/** @addtogroup FMC_Fuctions Fuctions
  @{
*/

/** Initialization and Configuration */
void FMC_ConfigLatency(FMC_LATENCY_T latency);
void FMC_EnableHalfCycleAccess(void);
void FMC_DisableHalfCycleAccess(void);
void FMC_EnablePrefetchBuffer(void);
void FMC_DisablePrefetchBuffer(void);

/** Lock management */
void FMC_Unlock(void);
void FMC_Lock(void);

/** Erase management */
FMC_STATUS_T FMC_ErasePage(uint32_t pageAddr);
FMC_STATUS_T FMC_EraseAllPage(void);
FMC_STATUS_T FMC_EraseOptionBytes(void);

/** Read Write management */
FMC_STATUS_T FMC_ProgramWord(uint32_t address, uint32_t data);
FMC_STATUS_T FMC_ProgramHalfWord(uint32_t address, uint16_t data);
FMC_STATUS_T FMC_ProgramOptionByteData(uint32_t address, uint8_t data);
FMC_STATUS_T FMC_EnableWriteProtection(uint32_t page);
FMC_STATUS_T FMC_EnableReadOutProtection(void);
FMC_STATUS_T FMC_DisableReadOutProtection(void);
FMC_STATUS_T FMC_ConfigUserOptionByte(FMC_UserConfig_T* userConfig);
uint32_t FMC_ReadUserOptionByte(void);
uint32_t FMC_ReadOptionByteWriteProtection(void);
uint8_t FMC_GetReadProtectionStatus(void);
uint8_t FMC_ReadPrefetchBufferStatus(void);

/** Interrupts and flags */
void FMC_EnableInterrupt(FMC_INT_T interrupt);
void FMC_DisableInterrupt(FMC_INT_T interrupt);
uint8_t FMC_ReadStatusFlag(FMC_FLAG_T flag);
void FMC_ClearStatusFlag(FMC_FLAG_T flag);

/** Status management */
FMC_STATUS_T FMC_ReadStatus(void);
FMC_STATUS_T FMC_WaitForLastOperation(uint32_t timeOut);

/**@} end of group FMC_Fuctions*/
/**@} end of group FMC_Driver*/
/**@} end of group Peripherals_Library*/

#ifdef __cplusplus
}
#endif

#endif /* __APM32E10X_FMC_H */