/*
wasd-ptz

WASD PTZ Control via Arduino of a Bescor MP101 Motorized Pan Head

Copyright (C) 2023, Jeff Moe

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

// In main Arduino libraries
#include "Keyboard.h"

char inChar;
const int upPin =  1;
const int downPin =  2;
const int leftPin =  3;
const int rightPin =  0;

void setup() {
  Serial.begin(9600);
  Keyboard.begin();
}

void loop() {
  if (Serial.available() > 0) {
    char inChar = Serial.read();

    if (inChar == 'w') {
      Serial.println("Up");
      digitalWrite(upPin,HIGH); digitalWrite(downPin,LOW);
    }
    if (inChar == 'a') {
      Serial.println("Left");
      digitalWrite(leftPin,HIGH); digitalWrite(rightPin,LOW);
    }
    if (inChar == 's') {
      Serial.println("Down");
      digitalWrite(upPin,LOW); digitalWrite(downPin,HIGH);
    }
    if (inChar == 'd') {
      Serial.println("Right");
      digitalWrite(leftPin,LOW); digitalWrite(rightPin,HIGH);
    }

    if (inChar == 'x') {
      Serial.println("Stop");
      digitalWrite(leftPin,LOW); digitalWrite(rightPin,LOW); digitalWrite(upPin,LOW); digitalWrite(downPin,LOW);
    }

    if (inChar == ' ') {
      Serial.println("Stop");
      digitalWrite(leftPin,LOW); digitalWrite(rightPin,LOW); digitalWrite(upPin,LOW); digitalWrite(downPin,LOW);
    }
  }
}