Academic Hardware Products (myDAQ, myRIO)

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Myrio Controlled Stepper Motor

Sorry my english is not good,I am a newbie.

I have 4 closed-loop stepper motor(1000Pulse/rev),I want him to be a mobile platform.

So I want to control his speed and distanc,I try to use the digital pin to output the pulse wave.

Suppose I want to generate a 10khz pulse,So then I have to generate a pulse in 1/10000 second =100microseconds

So I used "wait" and set it to 100 microseconds,But not as fast as I want!!

I tried to generate the same frequency with pwm and the speed of the motor became very fast.

But I don't want to use pwm to generate,Because I cannot control how many pulses are output

 what's wrong with my program? What can i do?Or how can I achieve this project(control his speed and distanc)?

I shot a sample video--->https://youtu.be/mgX5Ienj4vI

 

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