Hi, all:

Now, i am reading the stepgen.c file, and i have some doubts:

(1)what're the main steps to transform from the position offset to pulses?

(2)what's the main effect of make_pulse() , update_freq() and update_pos()?

(3)can anyone explain the meaning of  Line748:(accum_a-(1<< (PICKOFF-1)))

Can anyone help me ?

Best regards.
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