STM32L15内部eeprom读写出错

beyonds

有用过stm32L15系列内部eeprom的吗，主函数里加入eeprom功能后不论如何修改代码，仿真的时候程序都会跳到HardFault_Handler里，
贴上代码大家帮忙看一下

[mw_shl_code=c,true]/*********************************************************************** ?????????EEPROM.C ?? ????????eeprom??????×÷???? ±à???±????2015-08-21 ±à ?? ???? ×? ???? ***********************************************************************/ #include "main.h" /*------------------------------------------------------------ Func: EEPROM????°?×??????? Note: ------------------------------------------------------------*/ void EEPROM_ReadBytes(u16 Addr,u8 *Buffer,u16 Length) { u8 *wAddr; wAddr=(u8 *)(EEPROM_BASE_ADDR+Addr); while(Length--){ *Buffer++=*wAddr++; } } /*------------------------------------------------------------ Func: EEPROM???????? Note: -------------------------------------------------------------*/ void EEPROM_ReadWords(u16 Addr,u16 *Buffer,u16 Length) { u32 *wAddr; wAddr=(u32 *)(EEPROM_BASE_ADDR+Addr); while(Length--){ *Buffer++=*wAddr++; } } /*------------------------------------------------------------ Func: EEPROM????°?×??????? Note: -------------------------------------------------------------*/ void EEPROM_WriteBytes(u16 Addr,u8 *Buffer,u16 Length) { u8 *wAddr; wAddr=(u8 *)(EEPROM_BASE_ADDR+Addr); DIS_INT FLASH->EKEYR=PEKEY1; //unlock FLASH->EKEYR=PEKEY2; while(FLASH->ECR&FLASH_PECR_PELOCK); FLASH->ECR|=FLASH_PECR_FTDW; //not fast write while(Length--){ *wAddr++=*Buffer++; while(FLASH->SR&FLASH_SR_BSY); } FLASH->ECR|=FLASH_PECR_PELOCK; EN_INT } /*------------------------------------------------------------ Func: EEPROM????°?×????? Note: ×??±°?×??? -------------------------------------------------------------*/ void EEPROM_WriteWords(u16 Addr,u16 *Buffer,u16 Length) { u32 *wAddr; wAddr=(u32 *)(EEPROM_BASE_ADDR+Addr); DIS_INT FLASH->EKEYR=PEKEY1; //unlock FLASH->EKEYR=PEKEY2; while(FLASH->ECR&FLASH_PECR_PELOCK); FLASH->ECR|=FLASH_PECR_FTDW; //not fast write while(Length--){ *wAddr++=*Buffer++; while(FLASH->SR&FLASH_SR_BSY); } FLASH->ECR|=FLASH_PECR_PELOCK; EN_INT } void EEPROM_Init(void) { DIS_INT FLASH->PEKEYR=PEKEY1; //unlock FLASH->PEKEYR=PEKEY2; [/mw_shl_code] [mw_shl_code=c,true]主函数[/mw_shl_code]

int main(void)
{
unsigned int i;
u16 buf[EEPROM_BYTE_SIZE],buf2[EEPROM_BYTE_SIZE];
EEPROM_Init(); 
LED_Configuration();
_Delay(0xfff);
LED1_ON;
_Delay(0xfff);
while(1)
{
LED1_ON;
_Delay(0xfff);
EEPROM_ReadWords((u16)0,buf2,EEPROM_BYTE_SIZE);

LED1_OFF;
_Delay(0xfff);
  }
     
 

 
}

正点原子

没搞过，帮顶。。。。