Tedd OKANO / Mbed 2 deprecated unipolar_stepper_motor_operation_sample

Very simple operation samples of unipolar stepper motor. This code has been made to help beginners to learn the stepper motor. The history of the code shows the how to generate pulses from very basic level.

Dependencies:   mbed

Diff: main.cpp

Revision:
3:db008e5009d0
Parent:
2:e9fbf2c17789
Child:
4:3cb4e78e0846
--- a/main.cpp	Sat Jan 11 01:31:36 2014 +0000
+++ b/main.cpp	Sat Jan 11 01:34:59 2014 +0000
@@ -1,7 +1,7 @@
 //  stepper motor operation sample (learn it step by step). 
 //  showing how to control a unipolar stepper motor by mbed digital output ports.
 //  
-//  version 1 : Output pulses to p23, p24, p25 and p26 ports
+//  version 1-1 : Rotate motor in reverse direction
 
 #include "mbed.h"
 
@@ -16,9 +16,15 @@
     
     while(1) {
         
-        motor_out0  = 1;
+        motor_out0  = 0;
         motor_out1  = 0;
         motor_out2  = 0;
+        motor_out3  = 1;
+        wait( INTERVAL );
+        
+        motor_out0  = 0;
+        motor_out1  = 0;
+        motor_out2  = 1;
         motor_out3  = 0;
         wait( INTERVAL );
         
@@ -28,16 +34,10 @@
         motor_out3  = 0;
         wait( INTERVAL );
         
-        motor_out0  = 0;
-        motor_out1  = 0;
-        motor_out2  = 1;
-        motor_out3  = 0;
-        wait( INTERVAL );
-        
-        motor_out0  = 0;
+        motor_out0  = 1;
         motor_out1  = 0;
         motor_out2  = 0;
-        motor_out3  = 1;
+        motor_out3  = 0;
         wait( INTERVAL );
     }
 }