About the "addStuffing" function

[shin-man]

ISSUE TEMPLATE ver. 1.2.0

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1. Which DYNAMIXEL SDK version do you use? 2.0?

2. Which programming language/tool do you use? C

3. Which operating system do you use? Windows 10,

4. Which USB serial converter do you use? U2D2

5. Which DYNAMIXEL do you use? XM430-W350

6. Have you searched the issue from the closed issue threads? yes

7. Please describe the issue in detail I have a question about the code for the "addStuffing" function in "protocol2_packet_handler.c".

packet_ptr = &packet[i+PKT_INSTRUCTION-2];

I don't understand what "i+PKT_INSTRUCTION-2" means in this code.

Please explain.

8. How can we reproduce the issue?