DN112-06v02
JYE Tech - 21 - www.jyetech.com
Commands and Their
Returns
This section lists all available SI commands. These commands
can be sent to DSO112A through virtual COM port on USB or
direct LVTTL connection at J11.
Query
Function: General query to determine oscilloscope type
Format:
Return: DSO112A will return the following frame.
Connect
Function: Set DSO112A to USB Scope mode
Format:
Return:
Offset Field Name Size Value
-1 Sync character
1 0xFE
0 Frame ID 1 0xE0
1 Frame Size 2 4
3 Reserved 1 0x00
Offset Field Name Size Value
-1 Sync character
1 0xFE
0 Frame ID 1 0xE2
1 Frame Size 2 14
3 Device type 1 ‘O’ (for DSO)
4 Model 1 5 (for 112A)
5 1 ‘D’
6 1 ‘S’
7 1 ‘O’
8 1 ‘1’
9 1 ‘1’
10 1 ‘2’
11
Description
1 ‘A’
12 End of string 1 0x00
13 Reserved 1 0x00
Offset Field Name Size Value
-1 Sync character
1 0xFE
0 Frame ID 1 0xE1
1 Frame Size 2 4
3 Command
byte
1 0xC0
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