CAN_Request-Response_protocol/Core/Src/custom_flash.c

95 lines
1.7 KiB
C

#include "custom_flash.h"
#include "bootloader.h"
FLASH_EraseInitTypeDef EraseInitStruct;
//uint32_t PAGE_OFFSET = ((uint32_t)((4-1) * 0x0400));
uint32_t PAGE_NUMB = 127;
uint8_t *FLASH_Read(uint32_t add)
{
return (uint8_t *)add;
}
HAL_StatusTypeDef FLASH_Write_Word(uint32_t Address, uint64_t Data) //Куда записывать
{
HAL_StatusTypeDef res;
res = HAL_FLASH_Unlock();
if (res != HAL_OK) return res;
res = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, Address, (uint32_t)(Data));
if (res != HAL_OK) return res;
res = HAL_FLASH_Lock();
return res;
}
uint32_t word_data;
HAL_StatusTypeDef FLASH_Write_Page(uint32_t *Address, uint8_t *Data, int Data_size)
{
//GPIOB->ODR^=(0x2000);
// GPIOB->ODR|=0x4000;
HAL_StatusTypeDef res;
int data_cnt = 0;
uint32_t adr;
res = HAL_FLASH_Unlock();
if (res != HAL_OK) return res;
for (adr = *Address; adr < *Address + Data_size; adr = adr+4)
{
word_data = (
Data[data_cnt]|
Data[data_cnt+1]<<8|
Data[data_cnt+2]<<16|
Data[data_cnt+3]<<24);
res = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, adr, word_data);
if (res != HAL_OK) return res;
data_cnt +=4;
}
*Address += Data_size;
res = HAL_FLASH_Lock();
return res;
}
HAL_StatusTypeDef FLASH_Erase_App(void) //
{
HAL_StatusTypeDef res;
uint32_t PageError = 0x00;
res = HAL_FLASH_Unlock();
if (res != HAL_OK) return res;
EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;// erase pages
EraseInitStruct.Banks = 1;
EraseInitStruct.PageAddress = MAIN_APP_START_ADR; //address
EraseInitStruct.NbPages = MAIN_APP_NUM_OF_PAGE;// num of erased pages
res = HAL_FLASHEx_Erase(&EraseInitStruct, &PageError);
if (res != HAL_OK) return res;
res = HAL_FLASH_Lock();
return res;
}