begin to set register
set registers successfully
begin to download producer
begin to init usb
begin to erase
设置分区表
begin to download file
ON_COMMAND->ID_TBTN_START->CMainFrame::OnTbtnStart()->m_pBurn[i]->burn_begin()->CBurnBase::burn_thread(LPVOID para)
burn_thread中有14步烧写步骤