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Cleanups for STM32F7

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This commit is contained in:
Scott Lahteine
2018-01-15 02:28:39 -06:00
parent a0246c5c96
commit 42933c804a
18 changed files with 988 additions and 1293 deletions
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465
Marlin/src/HAL/HAL_STM32F7/EEPROM_Emul/eeprom_emul.cpp
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@@ -78,8 +78,7 @@ static uint16_t EE_VerifyPageFullyErased(uint32_t Address);
* @retval - Flash error code: on write Flash error
* - FLASH_COMPLETE: on success
*/
uint16_t EE_Initialise(void)
{
uint16_t EE_Initialise(void) {
uint16_t PageStatus0 = 6, PageStatus1 = 6;
uint16_t VarIdx = 0;
uint16_t EepromStatus = 0, ReadStatus = 0;
@@ -100,209 +99,141 @@ uint16_t EE_Initialise(void)
pEraseInit.VoltageRange = VOLTAGE_RANGE;
/* Check for invalid header states and repair if necessary */
switch (PageStatus0)
{
switch (PageStatus0) {
case ERASED:
if (PageStatus1 == VALID_PAGE) /* Page0 erased, Page1 valid */
{
if (PageStatus1 == VALID_PAGE) { /* Page0 erased, Page1 valid */
/* Erase Page0 */
if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
{
if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
if (FlashStatus != HAL_OK) {
return FlashStatus;
}
}
}
else if (PageStatus1 == RECEIVE_DATA) /* Page0 erased, Page1 receive */
{
else if (PageStatus1 == RECEIVE_DATA) { /* Page0 erased, Page1 receive */
/* Erase Page0 */
if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
{
if (!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
/* Mark Page1 as valid */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, PAGE1_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
else /* First EEPROM access (Page0&1 are erased) or invalid state -> format EEPROM */
{
else { /* First EEPROM access (Page0&1 are erased) or invalid state -> format EEPROM */
/* Erase both Page0 and Page1 and set Page0 as valid page */
FlashStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
break;
case RECEIVE_DATA:
if (PageStatus1 == VALID_PAGE) /* Page0 receive, Page1 valid */
{
if (PageStatus1 == VALID_PAGE) { /* Page0 receive, Page1 valid */
/* Transfer data from Page1 to Page0 */
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++)
{
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++) {
if (( *(__IO uint16_t*)(PAGE0_BASE_ADDRESS + 6)) == VirtAddVarTab[VarIdx])
{
x = VarIdx;
}
if (VarIdx != x)
{
if (VarIdx != x) {
/* Read the last variables' updates */
ReadStatus = EE_ReadVariable(VirtAddVarTab[VarIdx], &DataVar);
/* In case variable corresponding to the virtual address was found */
if (ReadStatus != 0x1)
{
if (ReadStatus != 0x1) {
/* Transfer the variable to the Page0 */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddVarTab[VarIdx], DataVar);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return EepromStatus;
}
if (EepromStatus != HAL_OK) return EepromStatus;
}
}
}
/* Mark Page0 as valid */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, PAGE0_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
pEraseInit.Sector = PAGE1_ID;
pEraseInit.NbSectors = 1;
pEraseInit.VoltageRange = VOLTAGE_RANGE;
/* Erase Page1 */
if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
{
if (!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
}
else if (PageStatus1 == ERASED) /* Page0 receive, Page1 erased */
{
else if (PageStatus1 == ERASED) { /* Page0 receive, Page1 erased */
pEraseInit.Sector = PAGE1_ID;
pEraseInit.NbSectors = 1;
pEraseInit.VoltageRange = VOLTAGE_RANGE;
/* Erase Page1 */
if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
{
if (!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
/* Mark Page0 as valid */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, PAGE0_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
else /* Invalid state -> format eeprom */
{
else { /* Invalid state -> format eeprom */
/* Erase both Page0 and Page1 and set Page0 as valid page */
FlashStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
break;
case VALID_PAGE:
if (PageStatus1 == VALID_PAGE) /* Invalid state -> format eeprom */
{
if (PageStatus1 == VALID_PAGE) { /* Invalid state -> format eeprom */
/* Erase both Page0 and Page1 and set Page0 as valid page */
FlashStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
else if (PageStatus1 == ERASED) /* Page0 valid, Page1 erased */
{
else if (PageStatus1 == ERASED) { /* Page0 valid, Page1 erased */
pEraseInit.Sector = PAGE1_ID;
pEraseInit.NbSectors = 1;
pEraseInit.VoltageRange = VOLTAGE_RANGE;
/* Erase Page1 */
if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
{
if (!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
}
else /* Page0 valid, Page1 receive */
{
else { /* Page0 valid, Page1 receive */
/* Transfer data from Page0 to Page1 */
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++)
{
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++) {
if ((*(__IO uint16_t*)(PAGE1_BASE_ADDRESS + 6)) == VirtAddVarTab[VarIdx])
{
x = VarIdx;
}
if (VarIdx != x)
{
if (VarIdx != x) {
/* Read the last variables' updates */
ReadStatus = EE_ReadVariable(VirtAddVarTab[VarIdx], &DataVar);
/* In case variable corresponding to the virtual address was found */
if (ReadStatus != 0x1)
{
if (ReadStatus != 0x1) {
/* Transfer the variable to the Page1 */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddVarTab[VarIdx], DataVar);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return EepromStatus;
}
if (EepromStatus != HAL_OK) return EepromStatus;
}
}
}
/* Mark Page1 as valid */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, PAGE1_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
pEraseInit.Sector = PAGE0_ID;
pEraseInit.NbSectors = 1;
pEraseInit.VoltageRange = VOLTAGE_RANGE;
/* Erase Page0 */
if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
{
if (!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
}
break;
@@ -311,10 +242,7 @@ uint16_t EE_Initialise(void)
/* Erase both Page0 and Page1 and set Page0 as valid page */
FlashStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
break;
}
@@ -322,55 +250,46 @@ uint16_t EE_Initialise(void)
}
/**
* @brief Verify if specified page is fully erased.
* @param Address: page address
* This parameter can be one of the following values:
* @arg PAGE0_BASE_ADDRESS: Page0 base address
* @arg PAGE1_BASE_ADDRESS: Page1 base address
* @retval page fully erased status:
* - 0: if Page not erased
* - 1: if Page erased
*/
uint16_t EE_VerifyPageFullyErased(uint32_t Address)
{
* @brief Verify if specified page is fully erased.
* @param Address: page address
* This parameter can be one of the following values:
* @arg PAGE0_BASE_ADDRESS: Page0 base address
* @arg PAGE1_BASE_ADDRESS: Page1 base address
* @retval page fully erased status:
* - 0: if Page not erased
* - 1: if Page erased
*/
uint16_t EE_VerifyPageFullyErased(uint32_t Address) {
uint32_t ReadStatus = 1;
uint16_t AddressValue = 0x5555;
/* Check each active page address starting from end */
while (Address <= PAGE0_END_ADDRESS)
{
while (Address <= PAGE0_END_ADDRESS) {
/* Get the current location content to be compared with virtual address */
AddressValue = (*(__IO uint16_t*)Address);
/* Compare the read address with the virtual address */
if (AddressValue != ERASED)
{
if (AddressValue != ERASED) {
/* In case variable value is read, reset ReadStatus flag */
ReadStatus = 0;
break;
}
/* Next address location */
Address = Address + 4;
Address += 4;
}
/* Return ReadStatus value: (0: Page not erased, 1: Sector erased) */
return ReadStatus;
}
/**
* @brief Returns the last stored variable data, if found, which correspond to
* the passed virtual address
* @param VirtAddress: Variable virtual address
* @param Data: Global variable contains the read variable value
* @retval Success or error status:
* - 0: if variable was found
* - 1: if the variable was not found
* - NO_VALID_PAGE: if no valid page was found.
*/
uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data)
{
* @brief Returns the last stored variable data, if found, which correspond to
* the passed virtual address
* @param VirtAddress: Variable virtual address
* @param Data: Global variable contains the read variable value
* @retval Success or error status:
* - 0: if variable was found
* - 1: if the variable was not found
* - NO_VALID_PAGE: if no valid page was found.
*/
uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data) {
uint16_t ValidPage = PAGE0;
uint16_t AddressValue = 0x5555, ReadStatus = 1;
uint32_t Address = EEPROM_START_ADDRESS, PageStartAddress = EEPROM_START_ADDRESS;
@@ -379,10 +298,7 @@ uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data)
ValidPage = EE_FindValidPage(READ_FROM_VALID_PAGE);
/* Check if there is no valid page */
if (ValidPage == NO_VALID_PAGE)
{
return NO_VALID_PAGE;
}
if (ValidPage == NO_VALID_PAGE) return NO_VALID_PAGE;
/* Get the valid Page start Address */
PageStartAddress = (uint32_t)(EEPROM_START_ADDRESS + (uint32_t)(ValidPage * PAGE_SIZE));
@@ -391,69 +307,54 @@ uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data)
Address = (uint32_t)((EEPROM_START_ADDRESS - 2) + (uint32_t)((1 + ValidPage) * PAGE_SIZE));
/* Check each active page address starting from end */
while (Address > (PageStartAddress + 2))
{
while (Address > (PageStartAddress + 2)) {
/* Get the current location content to be compared with virtual address */
AddressValue = (*(__IO uint16_t*)Address);
/* Compare the read address with the virtual address */
if (AddressValue == VirtAddress)
{
if (AddressValue == VirtAddress) {
/* Get content of Address-2 which is variable value */
*Data = (*(__IO uint16_t*)(Address - 2));
/* In case variable value is read, reset ReadStatus flag */
ReadStatus = 0;
break;
}
else
{
/* Next address location */
Address = Address - 4;
}
else /* Next address location */
Address -= 4;
}
/* Return ReadStatus value: (0: variable exist, 1: variable doesn't exist) */
return ReadStatus;
}
/**
* @brief Writes/upadtes variable data in EEPROM.
* @param VirtAddress: Variable virtual address
* @param Data: 16 bit data to be written
* @retval Success or error status:
* - FLASH_COMPLETE: on success
* - PAGE_FULL: if valid page is full
* - NO_VALID_PAGE: if no valid page was found
* - Flash error code: on write Flash error
*/
uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data)
{
uint16_t Status = 0;
* @brief Writes/upadtes variable data in EEPROM.
* @param VirtAddress: Variable virtual address
* @param Data: 16 bit data to be written
* @retval Success or error status:
* - FLASH_COMPLETE: on success
* - PAGE_FULL: if valid page is full
* - NO_VALID_PAGE: if no valid page was found
* - Flash error code: on write Flash error
*/
uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data) {
/* Write the variable virtual address and value in the EEPROM */
Status = EE_VerifyPageFullWriteVariable(VirtAddress, Data);
uint16_t Status = EE_VerifyPageFullWriteVariable(VirtAddress, Data);
/* In case the EEPROM active page is full */
if (Status == PAGE_FULL)
{
/* Perform Page transfer */
if (Status == PAGE_FULL) /* Perform Page transfer */
Status = EE_PageTransfer(VirtAddress, Data);
}
/* Return last operation status */
return Status;
}
/**
* @brief Erases PAGE and PAGE1 and writes VALID_PAGE header to PAGE
* @param None
* @retval Status of the last operation (Flash write or erase) done during
* EEPROM formating
*/
static HAL_StatusTypeDef EE_Format(void)
{
* @brief Erases PAGE and PAGE1 and writes VALID_PAGE header to PAGE
* @param None
* @retval Status of the last operation (Flash write or erase) done during
* EEPROM formating
*/
static HAL_StatusTypeDef EE_Format(void) {
HAL_StatusTypeDef FlashStatus = HAL_OK;
uint32_t SectorError = 0;
FLASH_EraseInitTypeDef pEraseInit;
@@ -463,49 +364,37 @@ static HAL_StatusTypeDef EE_Format(void)
pEraseInit.NbSectors = 1;
pEraseInit.VoltageRange = VOLTAGE_RANGE;
/* Erase Page0 */
if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
{
if (!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
/* Set Page0 as valid page: Write VALID_PAGE at Page0 base address */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, PAGE0_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
pEraseInit.Sector = PAGE1_ID;
/* Erase Page1 */
if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
{
if (!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS)) {
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
}
return HAL_OK;
}
/**
* @brief Find valid Page for write or read operation
* @param Operation: operation to achieve on the valid page.
* This parameter can be one of the following values:
* @arg READ_FROM_VALID_PAGE: read operation from valid page
* @arg WRITE_IN_VALID_PAGE: write operation from valid page
* @retval Valid page number (PAGE or PAGE1) or NO_VALID_PAGE in case
* of no valid page was found
*/
static uint16_t EE_FindValidPage(uint8_t Operation)
{
* @brief Find valid Page for write or read operation
* @param Operation: operation to achieve on the valid page.
* This parameter can be one of the following values:
* @arg READ_FROM_VALID_PAGE: read operation from valid page
* @arg WRITE_IN_VALID_PAGE: write operation from valid page
* @retval Valid page number (PAGE or PAGE1) or NO_VALID_PAGE in case
* of no valid page was found
*/
static uint16_t EE_FindValidPage(uint8_t Operation) {
uint16_t PageStatus0 = 6, PageStatus1 = 6;
/* Get Page0 actual status */
@@ -515,51 +404,28 @@ static uint16_t EE_FindValidPage(uint8_t Operation)
PageStatus1 = (*(__IO uint16_t*)PAGE1_BASE_ADDRESS);
/* Write or read operation */
switch (Operation)
{
switch (Operation) {
case WRITE_IN_VALID_PAGE: /* ---- Write operation ---- */
if (PageStatus1 == VALID_PAGE)
{
if (PageStatus1 == VALID_PAGE) {
/* Page0 receiving data */
if (PageStatus0 == RECEIVE_DATA)
{
return PAGE0; /* Page0 valid */
}
else
{
return PAGE1; /* Page1 valid */
}
if (PageStatus0 == RECEIVE_DATA) return PAGE0; /* Page0 valid */
else return PAGE1; /* Page1 valid */
}
else if (PageStatus0 == VALID_PAGE)
{
else if (PageStatus0 == VALID_PAGE) {
/* Page1 receiving data */
if (PageStatus1 == RECEIVE_DATA)
{
return PAGE1; /* Page1 valid */
}
else
{
return PAGE0; /* Page0 valid */
}
if (PageStatus1 == RECEIVE_DATA) return PAGE1; /* Page1 valid */
else return PAGE0; /* Page0 valid */
}
else
{
return NO_VALID_PAGE; /* No valid Page */
}
case READ_FROM_VALID_PAGE: /* ---- Read operation ---- */
if (PageStatus0 == VALID_PAGE)
{
return PAGE0; /* Page0 valid */
}
else if (PageStatus1 == VALID_PAGE)
{
return PAGE1; /* Page1 valid */
}
else
{
return NO_VALID_PAGE ; /* No valid Page */
}
return NO_VALID_PAGE; /* No valid Page */
default:
return PAGE0; /* Page0 valid */
@@ -567,17 +433,16 @@ static uint16_t EE_FindValidPage(uint8_t Operation)
}
/**
* @brief Verify if active page is full and Writes variable in EEPROM.
* @param VirtAddress: 16 bit virtual address of the variable
* @param Data: 16 bit data to be written as variable value
* @retval Success or error status:
* - FLASH_COMPLETE: on success
* - PAGE_FULL: if valid page is full
* - NO_VALID_PAGE: if no valid page was found
* - Flash error code: on write Flash error
*/
static uint16_t EE_VerifyPageFullWriteVariable(uint16_t VirtAddress, uint16_t Data)
{
* @brief Verify if active page is full and Writes variable in EEPROM.
* @param VirtAddress: 16 bit virtual address of the variable
* @param Data: 16 bit data to be written as variable value
* @retval Success or error status:
* - FLASH_COMPLETE: on success
* - PAGE_FULL: if valid page is full
* - NO_VALID_PAGE: if no valid page was found
* - Flash error code: on write Flash error
*/
static uint16_t EE_VerifyPageFullWriteVariable(uint16_t VirtAddress, uint16_t Data) {
HAL_StatusTypeDef FlashStatus = HAL_OK;
uint16_t ValidPage = PAGE0;
uint32_t Address = EEPROM_START_ADDRESS, PageEndAddress = EEPROM_START_ADDRESS+PAGE_SIZE;
@@ -586,10 +451,7 @@ static uint16_t EE_VerifyPageFullWriteVariable(uint16_t VirtAddress, uint16_t Da
ValidPage = EE_FindValidPage(WRITE_IN_VALID_PAGE);
/* Check if there is no valid page */
if (ValidPage == NO_VALID_PAGE)
{
return NO_VALID_PAGE;
}
if (ValidPage == NO_VALID_PAGE) return NO_VALID_PAGE;
/* Get the valid Page start Address */
Address = (uint32_t)(EEPROM_START_ADDRESS + (uint32_t)(ValidPage * PAGE_SIZE));
@@ -598,28 +460,20 @@ static uint16_t EE_VerifyPageFullWriteVariable(uint16_t VirtAddress, uint16_t Da
PageEndAddress = (uint32_t)((EEPROM_START_ADDRESS - 1) + (uint32_t)((ValidPage + 1) * PAGE_SIZE));
/* Check each active page address starting from begining */
while (Address < PageEndAddress)
{
while (Address < PageEndAddress) {
/* Verify if Address and Address+2 contents are 0xFFFFFFFF */
if ((*(__IO uint32_t*)Address) == 0xFFFFFFFF)
{
if ((*(__IO uint32_t*)Address) == 0xFFFFFFFF) {
/* Set variable data */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, Address, Data);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
/* Set variable virtual address */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, Address + 2, VirtAddress);
/* Return program operation status */
return FlashStatus;
}
else
{
/* Next address location */
Address = Address + 4;
}
else /* Next address location */
Address += 4;
}
/* Return PAGE_FULL in case the valid page is full */
@@ -627,18 +481,17 @@ static uint16_t EE_VerifyPageFullWriteVariable(uint16_t VirtAddress, uint16_t Da
}
/**
* @brief Transfers last updated variables data from the full Page to
* an empty one.
* @param VirtAddress: 16 bit virtual address of the variable
* @param Data: 16 bit data to be written as variable value
* @retval Success or error status:
* - FLASH_COMPLETE: on success
* - PAGE_FULL: if valid page is full
* - NO_VALID_PAGE: if no valid page was found
* - Flash error code: on write Flash error
*/
static uint16_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
{
* @brief Transfers last updated variables data from the full Page to
* an empty one.
* @param VirtAddress: 16 bit virtual address of the variable
* @param Data: 16 bit data to be written as variable value
* @retval Success or error status:
* - FLASH_COMPLETE: on success
* - PAGE_FULL: if valid page is full
* - NO_VALID_PAGE: if no valid page was found
* - Flash error code: on write Flash error
*/
static uint16_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data) {
HAL_StatusTypeDef FlashStatus = HAL_OK;
uint32_t NewPageAddress = EEPROM_START_ADDRESS;
uint16_t OldPageId=0;
@@ -650,60 +503,42 @@ static uint16_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
/* Get active Page for read operation */
ValidPage = EE_FindValidPage(READ_FROM_VALID_PAGE);
if (ValidPage == PAGE1) /* Page1 valid */
{
if (ValidPage == PAGE1) { /* Page1 valid */
/* New page address where variable will be moved to */
NewPageAddress = PAGE0_BASE_ADDRESS;
/* Old page ID where variable will be taken from */
OldPageId = PAGE1_ID;
}
else if (ValidPage == PAGE0) /* Page0 valid */
{
else if (ValidPage == PAGE0) { /* Page0 valid */
/* New page address where variable will be moved to */
NewPageAddress = PAGE1_BASE_ADDRESS;
/* Old page ID where variable will be taken from */
OldPageId = PAGE0_ID;
}
else
{
return NO_VALID_PAGE; /* No valid Page */
}
/* Set the new Page status to RECEIVE_DATA status */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, NewPageAddress, RECEIVE_DATA);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
/* Write the variable passed as parameter in the new active page */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddress, Data);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return EepromStatus;
}
if (EepromStatus != HAL_OK) return EepromStatus;
/* Transfer process: transfer variables from old to the new active page */
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++)
{
if (VirtAddVarTab[VarIdx] != VirtAddress) /* Check each variable except the one passed as parameter */
{
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++) {
if (VirtAddVarTab[VarIdx] != VirtAddress) { /* Check each variable except the one passed as parameter */
/* Read the other last variable updates */
ReadStatus = EE_ReadVariable(VirtAddVarTab[VarIdx], &DataVar);
/* In case variable corresponding to the virtual address was found */
if (ReadStatus != 0x1)
{
if (ReadStatus != 0x1) {
/* Transfer the variable to the new active page */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddVarTab[VarIdx], DataVar);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return EepromStatus;
}
if (EepromStatus != HAL_OK) return EepromStatus;
}
}
}
@@ -716,18 +551,12 @@ static uint16_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
/* Erase the old Page: Set old Page status to ERASED status */
FlashStatus = HAL_FLASHEx_Erase(&pEraseInit, &SectorError);
/* If erase operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
/* Set new Page status to VALID_PAGE status */
FlashStatus = HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, NewPageAddress, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
if (FlashStatus != HAL_OK) return FlashStatus;
/* Return last operation flash status */
return FlashStatus;
@@ -736,7 +565,7 @@ static uint16_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
#endif // STM32F7
/**
* @}
*/
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/