介绍了作者提出的适用于数据传递量不大的类XMODEM 协议。针对数据量不大的

特点, 基于XMODEM 协议的基本精神, 类XMODEM 协议既保证了数据传递的正确性, 同时又使

得实现方便。实际效果表明该协议能够满足应用要求。文章给出了基于MCS251 系列单片机控制

的实现程序。-Q uasi XMODEM p ro toco l fo r less2amount data

transm ission put fo rward by the autho r is exp lained. W ith

less amount of data and based on the p rincip le of XMODEM

p ro toco l, the accuracy of data transm ission is assured and

imp lemented easily. P ractical results p rove that th is p ro toco l

can meet app lication requirement. The p ractical p rogram

based onMCS251 s2c m icrocomputer is given.