基于北斗RDSS数传终端的远程固件升级技术

来源 :第九届中国卫星导航学术年会 | 被引量 : 0次 | 上传用户:jiajiadedaan1
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  北斗RDSS数传终端是基于我国自主研发的北斗通信技术而开发的数传设备,由于其应用领域的特殊性,使其固件更新维护十分困难,耗费成本较高,因此,进行基于北斗短报文的远程固件升级技术的研究具有重要的现实意义。基于北斗短报文的远程固件升级原理是:利用平台软件将固件数据进行分包,然后通过北斗指挥机或多卡机将分包数据以北斗短报文的形式下发给数传终端,终端收到北斗短信后将有效数据提取并存储,待终端判断收到完整固件数据后将所有数据存于FLASH、重启MCU、控制运行更新后的FLASH区域代码,从而实现终端的固件升级。
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