forked from logzhan/RobotHardware-UESTC
61 lines
1.0 KiB
C
61 lines
1.0 KiB
C
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "flash.h"
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u16 Flash_ReadHalfWord(u32 faddr)
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{
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uint16_t val = 0;
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faddr = faddr + FLASH_SAVE_ADDR;
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val = *(uint16_t *)faddr;
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return val;
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}
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u32 Flash_ReadWord(u32 faddr)
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{
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uint16_t val = 0;
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faddr = faddr + FLASH_SAVE_ADDR;
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val = *(uint32_t *)faddr;
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return val;
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}
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#define PageSize 0x400
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void Flash_EnableWrite()
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{
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/*FLASH_Unlock();
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FLASH_ErasePage(FLASH_SAVE_ADDR);
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CLEAR_BIT(FLASH->CR, FLASH_CR_PER);*/
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FLASH_Unlock();
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FLASH_ClearFlag(FLASH_FLAG_BSY | FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
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FLASH_ErasePage(FLASH_SAVE_ADDR);
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// FLASH_ErasePage(FLASH_SAVE_ADDR + PageSize);
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}
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void Flash_DisableWrite()
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{
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FLASH_Lock();
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}
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u32 Flash_WriteHalfWord(u32 faddr, u16 data)
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{
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faddr = faddr + FLASH_SAVE_ADDR;
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return FLASH_ProgramHalfWord(faddr, data);
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}
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u32 Flash_WriteWord(u32 faddr, u32 data)
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{
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faddr = faddr + FLASH_SAVE_ADDR;
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return FLASH_ProgramWord(faddr, data);
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}
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#ifdef __cplusplus
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}
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#endif
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