35 lines
853 B
C
35 lines
853 B
C
#include "main.h"
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#include "stm32f0xx_hal.h"
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#include "user_flash.h"
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uint32_t Save_Config_Flash_Addr = 0x0801F800;
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uint8_t save_config(uint16_t config)
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{
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uint8_t status = HAL_ERROR;
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FLASH_EraseInitTypeDef My_Flash;
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HAL_FLASH_Unlock();
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My_Flash.TypeErase = FLASH_TYPEERASE_PAGES;
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My_Flash.PageAddress = Save_Config_Flash_Addr;
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My_Flash.NbPages = 1;
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uint32_t PageError = 0;
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status = HAL_FLASHEx_Erase(&My_Flash, &PageError);
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if(status != HAL_OK)
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{
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return status;
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}
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uint16_t Write_Flash_Data = config;
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status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, Save_Config_Flash_Addr, Write_Flash_Data);
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HAL_FLASH_Lock();
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return status;
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}
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uint16_t read_config(void)
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{
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uint16_t data = *(__IO uint16_t*)( Save_Config_Flash_Addr );
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return data;
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}
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