Hello everyone, the HDQ protocol is used in the detection module of the smart battery to monitor and collect information such as battery power, temperature, voltage and charging status. The ZDS2022 oscilloscope provides a free decoding and analysis module for the HDQ protocol for users to use. How to operate it?
Press the [Decode] key, set the decoding type to HDQ protocol, turn on protocol triggering, and press the protocol parameter soft key to set the bus and trigger parameters. The source channel can be set to channel 1 according to the actual input signal channel. The data length includes 8 bits and 16 bits. Select 16 bits.
Figure 1 HDQ protocol decoding
The trigger modes include reset segment and command. You can select reset segment. The protocol waveform on the screen has been effectively decoded. Open the event table to see all decoded events. Rotate knob B to view all decoded events. In the stop state, short press knob B to accurately position the selected decoded event in the center of the screen.
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