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question about XY interpolation algorithms(bresenham)

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aydi

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hello,

i want to implement the algorithm of bresenham using PICC and PIC 18F2550 to

control two stepping motor.

i read the document below named XY interpolation algorithms :

https://goldberg.berkeley.edu/pubs/XY-Interpolation-Algorithms.pdf

i simulate the code using visual c++ 8.0. it work very well with many modifications.

my question is : why he used the variable feedrate, drag and oil (utility of these variable).

i didn't know why he used them.

i want also to control my stepping motors M1 an M2 by this algorithms how can i

do that. where can i intervene.


please could you help me.

thanks an advance.
 

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