Servo.h

00001 #include "stdint.h"
00002 #include "mbed.h"
00003 
00004 class Servo
00005 {
00006     private:
00007         PwmOut SignalLine;
00008 
00009         float Period;
00010         float UpperRange;
00011         float Center;
00012         float LowerRange;
00013         float Position;
00014 
00015     public:
00016         Servo(PinName sgnl);
00017             //constructor sets common servo defaults
00018         void position(float ratio);
00019             //set normalized servo position (-1 to 1), default = 0
00020         float position();
00021             //get normalized servo position (-1 to 1)
00022         void maximum(float seconds);
00023         void maximum_ms(int milliseconds);
00024         void maximum_us(int microseconds);
00025             //set maximum deflection pulse width, default = 2400 us
00026         void center(float seconds);
00027         void center_ms(int milliseconds);
00028         void center_us(int microseconds);
00029             //set center deflection pulse width, default = 1500 us
00030         void minimum(float seconds);
00031         void minimum_ms(int milliseconds);
00032         void minimum_us(int microseconds);
00033             //set minimum deflection pulse width, default = 600 us
00034         void period(float seconds);
00035         void period_ms(int milliseconds);
00036         void period_us(int microseconds);
00037             //set the period, default = 20000 us
00038         void pulsewidth(float seconds);
00039         void pulsewidth_ms(int milliseconds);
00040         void pulsewidth_us(int microseconds);
00041             //set the pulse width, default = 1500 us
00042         float operator =(float assignment);
00043             //shorthand for position setting;
00044             //ex: "ServoObj = 0.5;" will set servo deflection to +0.5
00045         operator float();
00046             //shorthand for position reading;
00047             // ex: "float check = ServoObj;" will get the current servo deflection
00048 };