Diff: main.cpp

Revision:

0:4b1075fe566a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Nov 22 05:10:47 2009 +0000
@@ -0,0 +1,47 @@
+// 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;
+                }
+                
+            }
+            
+    }
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