我看过很多PT2262软件解码程序，都是用定时器测量脉冲宽度。占用系统太多资源。我自己编写的程序不用定时器，不用中断，代码最少。-I have seen many PT2262 software decoding procedures are used to measure the pulse width timer. Take up too much system resources. I have written a program without a timer, do not interrupt, code minimum.