執行下面程序,程序卡死在讀或寫階段,蜂鳴器一直叫,求助大神!!!
u16 STMFLASH_ReadHalfWord(u32 faddr)
{
return *(vu16*)faddr;
}
int main(void){
u8 KEi;
LCD_Init();//LCD初始化
LCD_Fill(0,0,LCD_W,LCD_H,WHITE);
BEEP =1;LED0 = 1;
KEi =KEY_Scan(0);
if(KEi !=0){
FLASH_Unlock();
FLASH_ErasePage(FLASH_SAVE_ADDR);
delay_ms(20);
FLASH_ProgramHalfWord(FLASH_SAVE_ADDR,KEi);
delay_ms(20);
FLASH_Lock();//上鎖
}else {
FLASH_Unlock();
delay_ms(20);
KEi =STMFLASH_ReadHalfWord(FLASH_SAVE_ADDR);
delay_ms(20);
FLASH_Lock();//上鎖
}
delay_ms(200);
BEEP =0;LED0 = 0;
}
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