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TOPIC: checksum

checksum 3 years 10 months ago #1689

  • Jimmy
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hello dears,
First of all ,I am a beginner of SmartServo。If I ask some easy questions ,please don't mind。I find a example program in user's guide。The code is as below。

SADDR1
ECHO_OFF
PID4
KP=100
KD=500
F
A=1600
V=4000000
MP
mm=1 //Initialize Minus Flag to one
ss=0 //Initialize Main Checksum
tt=0 //Initialize Command-Only Checksum
nn=0 //Initialize Input Number to Zero
yy=0 //Initialize Incoming Checksum Flag
....
....
.....
My question is that how to find out the meaning of the variables,such as mm,ss。 Does every variable have a certain meaning?How can i know their function?Is there a diagram using to describe them?And I am also confused by Checksum。What is the algorithm of the checksum?
If you have anything about Date Variables Memory Map, please tell me。Thanks in advance。
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Re: checksum 3 years 10 months ago #1693

  • csearcy
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Hi Jimmy. Let me know the part number of your Motor (SM2315D ...or something similar) and the firmware (V4.40c ...or something similar) and I will recommend some commands and documents you can use to get a quick start.

-Chuck
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Re: checksum 3 years 10 months ago #1695

  • Jimmy
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SM3416D,Version is 4.78AE。And I used 478T in SMI。
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