/* Program to control a servo motor by LauchPad. 
 * The servo motor control uses pin 39.
 * Although the 0 to 180 degree rotation limits are mapped to 
 * 1000 us and 2000 us, actual motor varies.
 * 
 * This program uses Servo library. For details of libraries:
 * http://energia.nu/reference/libraries/
 * 
 * Energia 1.6.10E18
 */
 
#include <Servo.h> 

const int servoControl = 39;

Servo motor;  // create servo object to control a motor 

void setup() 
{
    // This sets up 39 for servo control.
    motor.attach(servoControl, 1000, 2000); // attaches the servo control on pin 39
                 // 1000 us and 2000 us are the limits for 0 to 180 degree rotation.
} 
 
void loop() 
{ 
    for (int pw = 0; pw < 180; pw+=5)     // clockwise rotation
    {
        motor.write(pw);                  // sets the servo position
        delay(100);
    }
      
    for (int pw = 180; pw > 0; pw-=5)     // counterclockwise rotation
    {
        motor.write(pw);                  // sets the servo position
        delay(100);
    }
}