这是一利用at892051+74hc595芯片的护栏管源程序,仅共参考,希望对大家有用,This is one use of at892051+74 hc595 chip tube source, only a total of reference, in the hope that useful to everybody

74HC595 的实际应用与编程（汇编 C语言）-74HC595 practical application programming (Assembler C language)