/*
   Sweep adapter for the ATtiny85, using the AdaFruit SoftServo library.
   Servo is connected to pin PB0.
   Example created especially for Blake Madison
*/

#include <Adafruit_SoftServo.h>  // SoftwareServo (works on non PWM pins)

Adafruit_SoftServo myservo;

int pos = 0;    // variable to store the servo position

void setup() {
  myservo.attach(PB0);
}

//long int lastUpdate = 0;

void loop() {
  for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
    // in steps of 1 degree
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    myservo.refresh();               // refresh the position of the servo
    delay(20);                       // waits 15ms for the servo to reach the position
  }
  for (pos = 180; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    myservo.refresh();               // refresh the position of the servo
    delay(15);                       // waits 15ms for the servo to reach the position
  }
}


// Note: you can also use a timer to automatically refresh the position of the servo for you.
// For example, check this out: https://github.com/adafruit/Adafruit_SoftServo/blob/master/examples/TrinketKnob/TrinketKnob.ino