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介绍一种数字机顶盒串口升级的方法,此设计中包含了升级服务器端和机顶盒端两部分。在升级服务器端,采用了VC++6.0工具,以MSComm串口控件为底层接口,进行升级数据的传送;在机顶盒端,使用Linux的串口设备,对升级数据进行接收;同时,建立一个简单的串口通信协议(SPCP),以保证升级数据的准确传输。该升级方式主要用在机顶盒的研发和生产阶段,具有较强的目的性。
Describes a method for upgrading serial port of a digital set-top box. This design includes two parts: upgrade server and set-top box. In the server upgrade, using VC ++ 6.0 tools to MSComm serial port controls for the underlying interface to upgrade the data transfer; set-top box side, the use of Linux serial devices, to upgrade the data received; the same time, to establish a simple serial port Communication Protocol (SPCP) to ensure the accurate transmission of upgraded data. The upgrade is mainly used in the research and development and production of set-top boxes, has a strong purpose.