Revision 2:1c000b6cf863, committed 2017-01-20

Comitter:

RiaanEhlers

Date:

Fri Jan 20 09:10:05 2017 +0000

Parent:

1:6d242bb216d6

Commit message:

V1.0

Changed in this revision

diff -r 6d242bb216d6 -r 1c000b6cf863 L298HBridge.cpp
--- a/L298HBridge.cpp	Thu Jan 19 12:34:48 2017 +0000
+++ b/L298HBridge.cpp	Fri Jan 20 09:10:05 2017 +0000
@@ -24,7 +24,6 @@
     _REVPin = 0;
 }
  
-void L298HBridge::Speed(int DutyPercent) {
-    //_ENPin=(float)(DutyPercent/100);
-    _ENPin = DutyPercent;
+void L298HBridge::Speed(float DutyPercent) {    
+    _ENPin = DutyPercent /100;
 }
\ No newline at end of file

diff -r 6d242bb216d6 -r 1c000b6cf863 L298HBridge.h
--- a/L298HBridge.h	Thu Jan 19 12:34:48 2017 +0000
+++ b/L298HBridge.h	Fri Jan 20 09:10:05 2017 +0000
@@ -27,11 +27,50 @@
  
 #include "mbed.h"
  
-/** Class library for a L298 H-Bridge.
+/** Class library for a L298 H-Bridge. The class is written for one H-Bridge of
+ * the L298. Constructing the class twice will enable you to use both H-bridges.
  *
  * Example:
  * @code
- * 
+ * #include "mbed.h"
+ * #include "L298HBridge.h"
+
+ * L298HBridge Motor(PB_4, PC_4, PC_5);
+   
+ * int main() 
+ * {
+ *    float i;
+ *    while(1) 
+ *    {
+ *        Motor.Fwd();
+ *       
+ *        for(i=0;i<100;i++)
+ *        {
+ *            Motor.Speed(i);
+ *            wait(0.1);
+ *        }
+ *                
+ *        for(i=100;i>25;i--)
+ *        {
+ *            Motor.Speed(i);
+ *            wait(0.1);
+ *        }
+ *        
+ *        Motor.Rev();
+ *                
+ *        for(i=0;i<100;i++)
+ *        {
+ *            Motor.Speed(i);
+ *            wait(0.1);
+ *        }
+ *                
+ *        for(i=100;i>25;i--)
+ *        {
+ *            Motor.Speed(i);
+ *            wait(0.1);
+ *        }
+ *    }
+ * }
  * @endcode
  */
  
@@ -39,19 +78,19 @@
   public:
     /** Create a L298HBridge object connected to the specified pins. 
     * Once created, the motor speed will be set to 0 (PWM signal will be 0%) and
-    * the motor will be in the "stop" direction (neither forward or reverse).
-    * @param ENPin PwmOut compatible pin used to connect to L298's En pin associated with enabling the H-Bridge.
-    * @param FWDPin GPIO pin used to connect to L298's In pin associated with forward direction.
-    * @param REVPin GPIO pin used to connect to L298's In pin associated with reverse direction.
+    * the motor will be in the stop mode (neither forward or reverse).
+    * @param ENPin  PwmOut compatible pin used to connect to L298's En(x) pin associated with enabling the H-Bridge.
+    * @param FWDPin GPIO pin used to connect to L298's In(x) pin associated with forward direction.
+    * @param REVPin GPIO pin used to connect to L298's In(x) pin associated with reverse direction.
     */
     L298HBridge(PinName ENPin, PinName FWDPin, PinName REVPin);
     
-    /** Switch the H-Bridge to run the motor in the forward direction.    
+    /** Configure the H-Bridge to run the motor in the forward direction.    
     * @param None
     */
     void Fwd();
     
-    /** Switch the H-Bridge to run the motor in the reverse direction.    
+    /** Configure the H-Bridge to run the motor in the reverse direction.    
     * @param None
     */
     void Rev();
@@ -61,10 +100,12 @@
     */
     void Stop();
     
-   /** Change the motor's speed by adjusting the PWM signal.       
-    * @param int DutyPercent
+   /** Change the motor's speed by adjusting the PWM signal.
+    *  The value passed to the function can be any value from 0 to 100.
+    *  Where 0 = 0% and 100 = 100%.
+    * @param DutyPercent
     */
-    void Speed(int DutyPercent);
+    void Speed(float DutyPercent);
  
   private:
     PwmOut _ENPin;