File content as of revision 0:4b1075fe566a:

// Stepper driver test-  this program uses the mbed to drive a STK672-330 ic with an attached stepper.


#include "mbed.h"

// set pin outputs
DigitalOut enable(5);
DigitalOut direction(6);
DigitalOut clk(7);

int i = 0;

int main() {

// turn on driver ic    
   enable = 1;                
   
    while(1)  {
        
        direction = 1;        // go one way for a bit
        i = 0;
            while (i != 5000)   {
            
                clk = 1;
                wait_us(500);
                clk = 0;
                wait_us(500);
                
                i += 1;
                }
        
        i = 0;
        direction = 0;           // now go the other way
        
            while (i != 5000)   {
            
                clk = 1;
                wait_us(500);
                clk = 0;
                wait_us(500);
                
                i += 1;
                }
                
            }
            
    }