Servo.h

00001 #include "stdint.h"
00002 #include "mbed.h"
00003 
00004 class Servo : private PwmOut
00005 {
00006     private:
00007         int period;
00008         int center;
00009         int maximum;
00010         int minimum;
00011         int position;
00012          
00013     public:
00014         Servo(PinName);
00015             //constructor sets defaults and starts servo with 0% duty cycle
00016         void setposition (int);
00017             //set normalized servo position (-255 to 255), default = 0
00018         void setperiod (int);
00019             //set the period in us, default = 20000
00020         void setcenter (int);
00021             //set center deflection pulse width in us, default = 1500
00022         void setmaximum (int);
00023             //set maximum deflection pulse width in us, default = 2400
00024         void setminimum (int);
00025             //set minimum deflection pulse width in us, default = 600
00026         Servo& operator =(int);
00027             //shorthand for setposition, ex: "ServoObj = 231;"
00028         operator int();
00029             //shorthand for position reading, ex: "check = ServoObj;"
00030         /*NOTE: setposition must be called before any changes to
00031         period, center, maximum, or minimum can take effect*/
00032 };