function division demo code #1

/*

   THere is other stuff to be put here, but for clarity I deleted it. You would need to put all that back in.

*/

bool button_is_enabled = true;
int button_check_interval = 500; // time is in milliseconds: this is the time interval that the button will be checked at.
unsigned long buttonpress_begin_time = 0;
unsigned long buttonpress_current_time = 0;

bool servo_in_use = false; // If the servo is not in use at all, this variable allows totally skipping all the servo code.

int servo_current_position = 0; // This is always set to where the servo is actually at.
int servo_target_position = 0; // This is set to where you want the servo to end up at.

bool servo_is_waiting = false;
int servo_waiting_period = 25; // the servo's waiting time in milliseconds
unsigned long servo_waiting_begin_time = 0;
unsigned long servo_waiting_current_time = 0;



// ,,,,,other stuff deleted also,,,,,,

void setup() {
  Serial.begin(9600);
  //pinMode(buttonPin, INPUT_PULLUP); ---------- commented out, just because I removed the declaration
  //myservo.attach(sprinklerServo1); ---------- commented out, just because I removed the declaration
}

void loop() {

  //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
  // The code section below only handles checking the button.
  // The button is only checked for a new value on the desired time interval.
  if (button_is_enabled == true) {
    updateButton();
    // also you would change button_is_enabled to false here, and record the current millis() time in buttonpress_begin_time
  }
  else {
    check_to_enable_button();
  }
  //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@


  //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
  // The code section below only handles operating the servo.
  if (servo_in_use == true) {
    if (servo_is_waiting == false) { // If this is false, then the servo can be moved.
      check_servo_position();
      // also you would change servo_is_waiting to true here, and record the current millis() time in servo_waiting_begin_time
    }
    else { // if servo_is_waiting == true , then this part checks if enough time has passed to allow moving the servo again
      check_to_enable_servo();
    }
  }
  //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

}


void updateButton() {
  // code to get the new button reading is here
  // if button was pressed, then--
  //    change servo_target_position to a different value
  //    set servo_in_use to true
}


void check_to_enable_button() {
  // this is the code to re-enable the button if the button_check_interval time interval has passed
  // buttonpress_current_time = millis();
  // then compare buttonpress_begin_time to buttonpress_current_time to see if { button_check_interval } amount of time has passed
  //     if it has, then re-enable the button so it gets checked again
}


void check_servo_position() {
  // this function is the one that changes the servo's position. this does not handle the servo's time delay.
  if (servo_current_position != servo_target_position) {
    // If the servo_current_position is not the same as the servo_target_position, then the servo needs to be moved still.
    change_servo_position();
  }
  else {
    // If servo_current_position is the same value as servo_target_position, then the servo is done moving and can be 'shut off'.
    servo_in_use = false;
  }
}


void change_servo_position() {
  // This is the fuction that would write a new PWM value to servo_current_position and then to the PWM pin, to change the servo's position.
  // The new PWM value would need to be closer to servo_target_position than the previous PWM value was.
}


void check_to_enable_servo() {
  // this function is the one for checking if the servo has been disabled long enough that it can be re-enabled (this handles the servo's time delay)
  // servo_waiting_current_time = millis();
  // then compare servo_waiting_begin_time to servo_waiting_current_time to see if { servo_waiting_period } amount of time has passed
  //     if it has, then change servo_is_waiting to false
}