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[Button control] sydg DL : 0: 微机接口8255编程，交通模拟信号发生-Computer Programming Interface 8255, traffic analog signal occurred
Date : 2008-10-13 Size : 8.55kb User : liuyi
[Button control] sydg DL : 0: 微机接口8255编程，交通模拟信号发生-Computer Programming Interface 8255, traffic analog signal occurred
Date : 2025-12-19 Size : 8kb User : liuyi
[Button control] dmcan8255 DL : 0: 设计软件在每按一次单脉冲按钮产生一个正脉冲使8255产生一次中断请求，让CPU进行一次中断服务：读取拨动开关状态，设定3中状态，每种状态屏幕显示不同信息，例如“1”状态屏幕显示“DOING ONE”，“2”显示“TWO”，“8”显示“EXIT”-Design software in a single pulse button, a positive pulse to make 8255 to generate an interrupt request to allow the CPU to an interrupt service: Read toggle switch state, set the 3 state, each state of the screen to display different information, such as a status screen display " DOING ONE" , " 2" " TWO," 8 " display" EXIT "
Date : 2025-12-19 Size : 1kb User : 雅格