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1. BOOL OEMIsFlashAddr(DWORD dwAddr)
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#define FLASH_START      0
#define FLASH_LENGTH     0x02000000
BOOL OEMIsFlashAddr(DWORD dwAddr)
{
        //¸ù¾ÝFlashµÄÆðʼµØÖ·ºÍ³¤¶ÈÅжϸõØÖ·ÊÇ·ñÔÚFlashÇøÓòÄÚ
        if ((dwAddr >= FLASH_START) && (dwAddr < (FLASH_START + FLASH_LENGTH)))
        {
                return(TRUE);
        }
 
    return(FALSE);
}
 
2. BOOL OEMStartEraseFlash(DWORD dwStartAddr, DWORD dwLength)
¸Ãº¯ÊýÓÃÓÚ³õʼ»¯FlashµÄ²Á³ý£¬dwStartAddr±íʾҪ²Á³ýµÄÆðʼµØÖ·£¬dwLengthΪ³¤¶È¡£Í¨¹ýÕâÁ½¸ö²ÎÊý¼ÆËãFlashÖÐÒª±»²Á³ýµÄÆðʼblockºÍ×îºóÒ»¸öblock£¬ÒÔ¼°Òª²Á³ý¶àÉÙ¸öblock£¬¸ø¸ö΢ÈíµÄÀý×Ó£º
BOOL OEMStartEraseFlash (DWORD dwStartAddr, DWORD dwLength)
{
    ULONG i = 0;
    ULONG nNumBlocks = 0;
 
    //ÅÐ¶ÏÆðʼµØÖ·ºÍÖÕÖ¹µØÖ·ÊÇ·ñ¶¼ÔÚFlashÇøÓòÄÚ
    if (!OEMIsFlashAddr(dwStartAddr) || !OEMIsFlashAddr(dwStartAddr + dwLength - 1))
    {
        return(FALSE);


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