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chenxin
2026-04-23 10:50:18 +08:00
commit a436fda935
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115
IAPV1.1/Driver/eeprom/eeprom.c Normal file
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/*********<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>дͨ<D0B4><CDA8>***********/
#include "eeprom.h"
#include "bsp.h"
#include "stm32l1xx_flash.h"
Init_Data Init_Data_Equipment;
/*------------------------------------------------------------
Func: EEPROM<4F><4D><EFBFBD>ݰ<EFBFBD><DDB0>ֽڶ<D6BD><DAB6><EFBFBD>
Note:
-------------------------------------------------------------*/
void EEPROM_ReadBytes(u16 Addr,u8 *Buffer,u16 Length)
{
u8 *wAddr;
wAddr=(u8 *)(EEPROM_BASE_ADDR+Addr);
while(Length--){
*Buffer++=*wAddr++;
}
}
/*------------------------------------------------------------
Func: EEPROM<4F><4D><EFBFBD>ݶ<EFBFBD><DDB6><EFBFBD>
Note:
-------------------------------------------------------------*/
void EEPROM_ReadWords(u16 Addr,u16 *Buffer,u16 Length)
{
u32 *wAddr;
wAddr=(u32 *)(EEPROM_BASE_ADDR+Addr);
while(Length--){
*Buffer++=*wAddr;
wAddr+=2;
}
}
/*------------------------------------------------------------
Func: EEPROM<4F><4D><EFBFBD>ݶ<EFBFBD><DDB6><EFBFBD>˫<EFBFBD><CBAB>
Note:
-------------------------------------------------------------*/
void EEPROM_ReadDWords(u16 Addr,u32 *Buffer,u16 Length)
{
u32 *wAddr;
wAddr=(u32 *)(EEPROM_BASE_ADDR+Addr);
while(Length--){
*Buffer++=*wAddr;
wAddr+=4;
}
}
/*------------------------------------------------------------
Func: EEPROM<4F><4D><EFBFBD>ݰ<EFBFBD><DDB0>ֽ<EFBFBD>д<EFBFBD><D0B4>
Note:
-------------------------------------------------------------*/
void EEPROM_WriteBytes(u16 Addr,u8 *Buffer,u16 Length)
{
u8 *wAddr;
wAddr=(u8 *)(EEPROM_BASE_ADDR+Addr);
FLASH->PEKEYR=PEKEY1; //unlock
FLASH->PEKEYR=PEKEY2;
while(FLASH->PECR&FLASH_PECR_PELOCK);
FLASH->PECR|=FLASH_PECR_FTDW; //not fast write
while(Length--){
*wAddr++=*Buffer++;
while(FLASH->SR&FLASH_SR_BSY);
}
FLASH->PECR|=FLASH_PECR_PELOCK;
}
/*------------------------------------------------------------
Func: EEPROM<4F><4D><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD>д<EFBFBD><D0B4>
Note: <20>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-------------------------------------------------------------*/
void EEPROM_WriteWords(u16 Addr,u16 *Buffer,u16 Length)
{
u32 *wAddr;
wAddr=(u32 *)(EEPROM_BASE_ADDR+Addr);
FLASH->PEKEYR=PEKEY1; //unlock
FLASH->PEKEYR=PEKEY2;
while(FLASH->PECR&FLASH_PECR_PELOCK);
FLASH->PECR|=FLASH_PECR_FTDW; //not fast write
while(Length--){
*wAddr=*Buffer++;
wAddr+=2;
while(FLASH->SR&FLASH_SR_BSY);
}
FLASH->PECR|=FLASH_PECR_PELOCK;
}
/*------------------------------------------------------------
Func: EEPROM<4F><4D><EFBFBD>ݰ<EFBFBD>˫<EFBFBD><CBAB>д<EFBFBD><D0B4>
Note:
-------------------------------------------------------------*/
void EEPROM_WriteDWords(u16 Addr,u32 *Buffer,u16 Length)
{
u32 *wAddr;
wAddr=(u32 *)(EEPROM_BASE_ADDR+Addr);
FLASH->PEKEYR=PEKEY1; //unlock
FLASH->PEKEYR=PEKEY2;
while(FLASH->PECR&FLASH_PECR_PELOCK);
FLASH->PECR|=FLASH_PECR_FTDW; //not fast write
while(Length--){
*wAddr=*Buffer++;
wAddr+=4;
while(FLASH->SR&FLASH_SR_BSY);
}
FLASH->PECR|=FLASH_PECR_PELOCK;
}