//Author: mcapurso.Tested on attiny 85 with servo towerpro microservo 90 SG90
// 08/jan/2014 servo data on www.servodatabase.com 25
int servoPin = 0; // servo connected to digital pin 0

// ************** The following pin is NOT really used in WOKWI !!!! *******************
int MOSPWR = 1; //Sends power to MOS gate to turn on servo, add a slight delay


void setup()
{
  pinMode(servoPin, OUTPUT); // sets the servoPin to be an output
  pinMode(MOSPWR, OUTPUT); //sets the MOSPWR to be an output
  /*
    servowrite(servoPin, 0, 500, 2400); //changed middle 500 to 2000 to see what happend "it shortens the swing"
    servowrite(servoPin, 90, 500, 2400); //for each independantly
    servowrite(servoPin, 180, 500, 2400); //changed 2400 to 5000 to see what happens "nothing"
  */
  servotest();
}

void loop() // run over and over again
{

}

void servowrite(int pin, int angle, int microzero, int micro180)
{
  // pin for servo, angle to move, microseconds for zero degrees, microseconds for 180 degrees
  int microvalue = map(angle, 0, 180, microzero, micro180); //map angle to microseconds
  int i;
  for (i = 0; i < 50; i++) //Send 50 pwm pulses with width microvalue uS .  (DELAY BETWEEN SWEEPS GLOBAL/FIXED)
  { //changed 50 to 1000 to see what happens "delays the time between swings"BUT MAKES THE SERVO BUZZ
    analogWrite(servoPin, 255); //Pulse high for microvalue uS
    delayMicroseconds(microvalue);
    analogWrite(servoPin, 0); //Pulse low for 15mS
    delay(15);
  }
  delay(10); //Pause
}

void servotest()
// test servo
{
  int i;


  for (i = 0; i < 50; i++) //Send 50 pulses with width 500 uS - changed all to 1000 to see what happens
  {
    analogWrite(servoPin, 255); //Pulse high for 500uS
    delayMicroseconds(2000); //changed 500 to 2000 to see what happens "nothing noticable"
    // changed 500 to 50 to see what happens "nothing noticable"
    analogWrite(servoPin, 0); //Pulse low for 15mS
    delay(15);
  }
  delay(1000);

  for (i = 0; i < 50; i++) //Send 50 pulses with width 1.25mS
  {
    analogWrite(servoPin, 255); // changed 255 to (147) to see what happens "servo FREAKS OUT"
    //Pulse high for 1.4 mS
    delayMicroseconds(1400);
    analogWrite(servoPin, 0);
    delay(15);
  }
  delay(1000);

  for (i = 0; i < 50; i++) //Send 50 pulses with width 2.4ms
  {
    analogWrite(servoPin, 255);
    delayMicroseconds(2400);
    analogWrite(servoPin, 0);
    delay(15);
  }
  delay(1000);

}