关于KernelIoControl请问各位高手KernelIoControl(IOCTL_HAL_REQUEST_SYSINTR, &g_I2CIrq, sizeof(UINT32), &g_I2CSysIntr, sizeof(UINT32), NULL))的作用是什么呢??[解决办法]获取逻辑中断号http://msdn.microsoft.com/en-us/library/ms903150.aspx