Method for networking and cascading electronic equipment by using universal serial port technique
A general-purpose serial port and electronic equipment technology, applied in the field of electronic equipment networking and cascading, can solve problems such as the number of cascades, high communication distance, limitations on the number of devices and communication distance, application software development and debugging, etc. The effect of low cost, simple circuit and high reliability
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[0018] Embodiments of the present invention are now described in conjunction with the accompanying drawings. But following embodiment only limits to explain the present invention, and protection scope of the present invention should comprise the whole content of claim, and promptly can realize the whole content of claim of the present invention to those skilled in the art through following embodiment.
[0019] exist figure 1Among them, the electronic equipment includes: a computer, a master device, and several slave devices. The master device and the slave device each have two general-purpose serial ports, which are respectively port A and port B; The signal transmission between the equipment port A 2 and the main equipment port B 3, the main equipment level conversion 4, and the main equipment control unit 5 is to convert the signal level into a level standard that both the computer and the main equipment can receive, and some signals Connecting to port B3 of the master devi...
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