Merge branch 'master' of https://gitlab.psi.ch/coldbox/tec

Core/Drivers/USFL_UserFlash.c

@@ -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).
 //=================================================================================================
 
-
+void vEreaseUserFlash( void );
-
-//=================================================================================================
-// Section:       EXTERNAL FUNCTIONS
-// Description:   Definition of external (global) functions.
-//=================================================================================================
-
-
-
-//=================================================================================================
-// Section:       EXTERNAL VARIABLES
-// Description:   Definition of external (global) variables.
-//=================================================================================================
-
-
 
 //=================================================================================================
 // 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
+  if( UserFlash[0] != StartDef ){
-  return( TRUE );
+    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;
+}
+
+
+
+