Firmware updating method of audio playing device and system using same
A technology for audio playback and firmware update, applied in the field of firmware update method and system using the method, can solve the problems of cumbersome manual update process, prone to errors, no value-added space, etc. Error rate, time and effort savings
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[0014] figure 1 Shown is a flow chart of an embodiment of the method for updating the firmware of the audio playback device of the present invention. In step S101, it is detected whether the audio playback device is connected, that is, it is detected whether the audio playback device is connected to the client. The client in the present invention refers to a client computer.
[0015] If it is connected with the client, execute step S102 to read the USB information of the audio playback device. In the embodiment of the present invention, the USB information includes a product identifier (PID) or a brand identifier (VID). Among them, VID is used to identify the manufacturer of the USB bus. The PID marks the product, and the PID number is provided by the equipment manufacturer. Because the audio playback device is usually connected to the client by USB, and USB is a plug-and-play protocol, which can dynamically load and unload USB drivers. To load the USB driver, there must ...
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