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Update USFL_UserFlash.c

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This commit is contained in:
pique_n
2022-05-08 15:14:35 +02:00
parent d6e9c78497
commit 8524c59f17
1 changed files with 74 additions and 20 deletions
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94
Core/Drivers/USFL_UserFlash.c
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@ -61,7 +61,12 @@
// Description: Definition of local constants (visible by this module only).
//=================================================================================================
#define USERFLASHSIZE (2000/4) // Bytes -> 64 Bits
#define USERFLASHPAGE (63)
#define STARTDEF 0xAA01F055
#define VARDEF 0xABCDEF00
//=================================================================================================
// Section: MACROS
@ -82,7 +87,12 @@
// Description: Definition of local Structures (visible by this module only).
//=================================================================================================
FLASH_EraseInitTypeDef stEreaseInit = {
FLASH_TYPEERASE_PAGES,
FLASH_BANK_1,
UserFlashPage,
1
};
//=================================================================================================
@ -97,28 +107,14 @@
// Description: Definition of local constants (visible by this module only).
//=================================================================================================
__attribute__((__section__(".user_data"))) const uint8_t userConfig[8];
__attribute__((__section__(".user_data"))) const U64 UserFlash[UserFlashSize];
//=================================================================================================
// Section: LOCAL FUNCTIONS (PROTOTYPES)
// Description: Definition of local functions (visible by this module only).
//=================================================================================================
//=================================================================================================
// Section: EXTERNAL FUNCTIONS
// Description: Definition of external (global) functions.
//=================================================================================================
//=================================================================================================
// Section: EXTERNAL VARIABLES
// Description: Definition of external (global) variables.
//=================================================================================================
void vEreaseUserFlash( void );
//=================================================================================================
// Section: GLOBAL FUNCTIONS
@ -126,7 +122,7 @@ __attribute__((__section__(".user_data"))) const uint8_t userConfig[8];
//=================================================================================================
//-------------------------------------------------------------------------------------------------
// Function: TMPL_boInitializeModule
// Function: USFL_boInitializeModule
// Description: Initializes the module. Function must be called once immediately after power-up.
// Parameters: None
// Returns: Boolean TRUE if successful
@ -134,9 +130,15 @@ __attribute__((__section__(".user_data"))) const uint8_t userConfig[8];
BOOL USFL_boInitializeModule( VOID )
{
BOOL boOK = TRUE;
// TODO: notes
return( TRUE );
if( UserFlash[0] != StartDef ){
boOK &= vEreaseUserFlash();
}
return( boOK );
}
@ -145,3 +147,55 @@ BOOL USFL_boInitializeModule( VOID )
// Section: LOCAL FUNCTIONS
// Descriptionn: Definition (implementation) of local functions.
//=================================================================================================
//-------------------------------------------------------------------------------------------------
// Function: vEreaseUserFlash
// Description: Ereases the User Flash Sector
// Parameters: None
// Returns: Boolean TRUE if successful
//-------------------------------------------------------------------------------------------------
U32 vFindNextFreePointer( void ){
BOOL boFound = FALSE;
U32 u32Pointer = 1; // 0 is StartDef
while(!boFound){
if( (UserFlash[u32Pointer] & 0xFFFFFF00) == VARDEF ){
U8 u8Size = UserFlash[u32Pointer] & 0xFF;
if( u8Size == 0 ){
boFound = TRUE;
} else {
u32Pointer += u8Size + 1;
}
} else {
return 0;
}
if( u32Pointer >= USERFLASHSIZE ){
}
}
return u32Pointer;
}
//-------------------------------------------------------------------------------------------------
// Function: vEreaseUserFlash
// Description: Ereases the User Flash Sector
// Parameters: None
// Returns: Boolean TRUE if successful
//-------------------------------------------------------------------------------------------------
BOOL vEreaseUserFlash( void ){
uint32_t u32PageError = 0;
if( HAL_FLASHEx_Erase(&stEreaseInit, &u32PageError) != HAL_OK ){
return false;
}
return true;
}