/***********************************************************************
函数名称: E2PROM_VerifyPwd
函数说明: 密码认证
修改记录: 日 期 作 者 修定
--------- --------- -----
************************************************************************/
sint E2PROM_VerifyPwd( uchar ucPwdSet, uchar aucPwd[3], bool WritePwd )
{
sint CallError;
cm_InitI2c();
if (WritePwd)
{
CallError = cm_VerifyPassword(aucPwd,ucPwdSet,CM_PWWRITE);
}
else
{
CallError = cm_VerifyPassword(aucPwd,ucPwdSet,CM_PWREAD);
}
cm_TermI2c();
return CallError;
}
static int at88_config_unlock(void)
{
unsigned char tempData;
unsigned char ucData[3];
RETURN_CODE ucReturn;
tempData =0x00;
int ret = cm_ReadConfigZone(DEFAULT_ADDRESS, 0xE8, &tempData, 1);
if(ret != 0)
{
printf("cm_ReadConfigZone PAC7 fail!\n");
return -1;
}
if(tempData==0x00)
{
printf("\nPAC7 =0x%x\n",tempData);
printf("\n at88 has been permantly locked, please change chip..\n");
return -1;
}
if(tempData!=0xff)
{
printf("\nPAC7 =0x%x\n",tempData);
}
ucData[0] = 0x22;
ucData[1] = 0xE8;
ucData[2] = 0x3F;
ucReturn = cm_VerifyPassword(DEFAULT_ADDRESS, ucData,7, 0);
if (ucReturn != SUCCESS)
{
printf("\ncm_VerifyPassword fail ...ret=0x%x\n",ucReturn);
return -1;
}
return 0;
}
