在linux段编写设备驱动代替windows下的DNW USB驱动下载功能，并提供test程序-Write device drivers in linux instead of windows section under the DNW USB driver download function, and provides test procedures

Linux系统下主机和开发板传输文件的工具，成功编译并加载secbulk驱动模块后，运行dnw工具，文件即可通过USB接口从主机下载到开发板-Linux system development board under the host and the tools to transfer files successfully compile and load secbulk drive module, run dnw tools, files can be downloaded through th

Linux系统下主机和开发板传输文件的工具，成功编译并加载secbulk驱动模块后，运行dnw工具，文件即可通过USB接口从主机下载到开发板-Linux system development board under the host and the tools to transfer files successfully compile and load secbulk drive module, run dnw tools, files can be downloaded through th

Linux系统下主机和开发板传输文件的工具，成功编译并加载secbulk驱动模块后，运行dnw工具，文件即可通过USB接口从主机下载到开发板-Linux system development board under the host and the tools to transfer files successfully compile and load secbulk drive module, run dnw tools, files can be downloaded through th