SMCConfig Fan Settings

UINT XConfigStaticMainChecksumCalc(PBYTE data)
{
    UINT i, len, sum = 0;
    data += 0x10;
    for(i=0, len=252; i<len; i++)
        sum += data[i]&0xFF;
    sum = (~sum)&0xFFFF;
    return ((sum&0xFF00)<<8)+((sum&0xFF)<<24);
}

VOID XConfigTest()
{
    u16 settingSize;
    XCONFIG_STATIC_SETTINGS a;
    ExGetXConfigSetting(XCONFIG_STATIC_CATEGORY, XCONFIG_STATIC_DATA, NULL, NULL, &settingSize);
    ExGetXConfigSetting(XCONFIG_STATIC_CATEGORY, XCONFIG_STATIC_DATA, &a, settingSize, NULL);
    // Full Speed = 0x7F
    // default was 1 : 0x3C on my Xenon XDK
    // a.SMCConfig.fanOrCpu.Enable = 1;
    // a.SMCConfig.fanOrGpu.Enable = 1;
    a.SMCConfig.fanOrCpu.Speed = 0x3C;
    a.SMCConfig.fanOrGpu.Speed = 0x3C;
    a.CheckSum = XConfigStaticMainChecksumCalc((BYTE*)&a);
    ExSetXConfigSetting(XCONFIG_STATIC_CATEGORY, XCONFIG_STATIC_DATA, &a, settingSize);
    DbgPrint("Done\n");
}