#define PID_CFG_FLASH_ADDR_START FLASH_ADDR_PAGE_31 // Page31 in DBANK mode
#define PID_CFG_FLASH_ADDR_END (FLASH_ADDR_PAGE_31 + FLASH_PAGE_SIZE - 1U) // 1Page 2KB
#define PID_CFG_FLASH_PAGE_IDX 31U
#define PID_CFG_FLASH_PAGE_NUM 1U
#define PID_CFG_STRUCT_SIZE64 (sizeof(PID_ObjectTypeDef) % 8U ? \
sizeof(PID_ObjectTypeDef) / 8U : \
sizeof(PID_ObjectTypeDef) / 8U + 1)
typedef struct
{
float P;
float I;
float D;
int ILimitMIN;
int ILimitMAX;
int ISeparate;
int Accuracy;
int Mode;
int Waveform;
int Enable;
int OutputMAX;
int OutputMED;
int OutputMIN;
int OutputInterval;
int OutputPolarity;
int SPInputMAX;
int SPInputMIN;
int FBInputMAX;
int FBInputMIN;
int FilterMethod;
int FilterSampleNum;
int AnalogInputCH1;
int AnalogInputCH2;
int Ana**utput;
int DigitalInputCH1;
int DigitalInputCH2;
int DigitalOutputCH1;
int DigitalOutputCH2;
} PID_ObjectTypeDef;
int PID_CntlrConfigSave(void)
{
int Ret = ERROR;
uint8_t Idx = 0;
uint32_t PageErr = 0;
uint32_t WriteAddr = PID_CFG_FLASH_ADDR_START;
FLASH_EraseInitTypeDef FlashErase =
{
.TypeErase = FLASH_TYPEERASE_PAGES,
.Banks = FLASH_BANK_1,
.Page = PID_CFG_FLASH_PAGE_IDX,
.NbPages = PID_CFG_FLASH_PAGE_NUM,
// .Banks = FLASH_GetAddrPageBank(PID_CFG_FLASH_ADDR_START),
// .Page = FLASH_GetAddrPageIdx(PID_CFG_FLASH_ADDR_START),
// .NbPages = FLASH_GetAddrPageOffset(PID_CFG_FLASH_ADDR_START, PID_CFG_FLASH_ADDR_END),
};
/* Unlock the Flash to enable the flash control register access *************/
FLASH_Unlock();
/* Clear OPTVERR bit set on virgin samples */
FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR);
/* Erase the user Flash area
(area defined by PID_CFG_FLASH_ADDR_START and PID_CFG_FLASH_ADDR_END) *******/
/* Note: If an erase operation in Flash memory also concerns data in the data or instruction cache,
you have to make sure that these data are rewritten before they are accessed during code
execution. If this cannot be done safely, it is recommended to flush the caches by setting the
DCRST and ICRST bits in the FLASH_CR register. */
if (FLASH_Erase(&FlashErase, &PageErr) != FLASH_OK)
{
/*
Error occurred while page erase.
User can add here some code to deal with this error.
PageError will contain the faulty page and then to know the code error on this page,
user can call function 'FLASH_GetError()'
*/
PID_LOG_PRINT("Flash erase error code: %x, page: %x.\r\n", FLASH_GetError(), PageErr);
FLASH_Lock();
return Ret;
}
/* Program the user Flash area word by word
(area defined by PID_CFG_FLASH_ADDR_START and PID_CFG_FLASH_ADDR_END) *******/
for (Idx = 0; Idx < PID_CFG_STRUCT_SIZE64; Idx++)
{
if (FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, WriteAddr, *((uint64_t *)&PID + Idx)) != FLASH_OK)
{
/* Error occurred while writing data in Flash memory.
User can add here some code to deal with this error */
FLASH_Lock();
return Ret;
}
WriteAddr += 8; /* Increment to next double word*/
}
/* Lock the Flash to disable the flash control register access (recommended
to protect the FLASH memory against possible unwanted operation) *********/
FLASH_Lock();
/* Check if the programmed data is OK*/
// PID_ObjectTypeDef PIDTmp = *(__IO PID_ObjectTypeDef *)ReadAddr;
if (!memcmp(&PID, (uint32_t *)PID_CFG_FLASH_ADDR_START, sizeof(PID_ObjectTypeDef)))
{
Ret = SUCCESS;
}
return Ret;
} |
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