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VIO 4K TPP PROGRAMMER'S GUIDE FOR v02.00.7X
2.4.3 Read command structure
A read command follows the same structure than the write command, simply with the value field
omitted. Please note that an index value is always followed by a comma.
Picture 2: Read command example
2.4.4 Valid answer structure
When a read or write command is valid, the device answers, giving the current register value. The answer
structure is symmetrical to the write or read command.
An answer is made of a group of letters (most often the same as the command) followed by numeric
values separated by comma, and ended with
C
R
L
F
characters. (ASCII 0x0D and 0x0A)
Picture 3: Valid answer structure
Answer starts generally by the same group of letters than in the initial read or write command, followed
by indexes values, then register value and ending with
C
R
L
F
characters.
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