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Digital Oscilloscope Series
184
Step 1: Send the query to get the data of waveform.
Query message:
D0:WF? DAT2
Response message:
The head of message: D0:WF ALL. These are followed by the string
#9000000700, the beginning of a binary block in which nine ASCII
integers are used to give the length of the data (700 points). For digital,
one bit represents a data point, so there are 88 bytes. After the length of
block, is beginning of the wave data. ―0A 0A‖ means the end of data.
Step 2: Covert to the high (1) and low (0) corresponding to the data point.
According to the wave data, we can know the first eight points of
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