【摘要】 介绍了一种利用PC机并行接口 ,实现PC机中Windows环境下应用程序通过I2 C总线与接口设备进行通信的方法 ,具有接口简单、易于使用的特点 ,并成功用于对X92 4 1的实际编程控制应用中。更多还原

【Abstract】 A method of communication between application program and I/O devices through I 2C bus in PC is introduced.It uses the parallel port of PC as the basic hardware interface and it is easily to design and use in Windows environment.The method has been applied in programming X9241 successfully.更多还原