File content as of revision 0:041c1089b6e5:

#define Pin1 PB_0  
#define Pin2 PB_0  
#define Pin_GPIO PB_0  
//DigitalOut myled(LED1);
#include "mbed.h"
#include "Shape.h"

PwmOut Drive_pin_A2(PA_8);  //steering servo PWM output pin D7
PwmOut Drive_pin_B2(PA_9);  //Not Used
PwmOut Drive_pin_C2(PB_10); //Motor drive PWM output pin D6
PwmOut Drive_pin_D2(PB_4);  //Motor drive PWM output pin D5    

int Turn_right3=2;
int Turn_left3=0;
int Speed13=10;              //Half power
int Speed23=20;              //Full power
int PW_Period3=20; 

 void Shape::oval(){
    Turn_left3 = 1775; // half turn left - end point
    Turn_left3 = 1770;
    wait_us(1);
    Drive_pin_A2.pulsewidth_us(Turn_left3); 
    Turn_left3 = 1775; 
    wait_us(1);
    Turn_left3 = 1625;
    Drive_pin_A2.pulsewidth_us(Turn_left3); 
    Turn_left3 = 1770;
    wait_us(1);
    Drive_pin_A2.pulsewidth_us(Turn_left3);  
    Turn_left3 = 1775; 
    wait_us(1);
    Turn_left3 = 1625;
    Drive_pin_A2.pulsewidth_us(Turn_left3); 
    Turn_left3 = 1770;
    wait_us(1);
    Drive_pin_A2.pulsewidth_us(Turn_left3);
}