Javier Sanchez Peña / Motor

Control a DC motor via a standard H-bridge using a PwmOut pin to control speed and two DigitalOut pins to control direction. Can change pwm period on the PwmOut pin, and also brake high or low.

Fork of Motor by Aaron Berk

Diff: Motor.h

Revision:
1:c75b234558af
Parent:
0:f05e09f8f5d9
Child:
2:e138b2d99454
diff -r f05e09f8f5d9 -r c75b234558af Motor.h
--- a/Motor.h	Thu Sep 02 16:32:57 2010 +0000
+++ b/Motor.h	Tue Sep 07 11:21:42 2010 +0000
@@ -25,6 +25,9 @@
 
 #include "mbed.h"
 
+#define BRAKE_HIGH 1
+#define BRAKE_LOW  0
+
 /** Interface to control a standard DC motor 
  * with an H-bridge using a PwmOut and 2 DigitalOuts
  */
@@ -52,6 +55,15 @@
      * @param seconds - Pwm duty cycle in seconds.
      */
     void period(float period);
+    
+    /** Brake the H-bridge to GND or VCC.
+     * 
+     * Defaults to breaking to VCC.
+     *
+     * Brake to GND => inA = inB = 0
+     * Brake to VCC => inA = inB = 1
+     */
+    void brake(int highLow = BRAKE_HIGH);
 
 protected:
     PwmOut _pwm;