challenge-bot.com Git - challenge-bot/blob - arduino-sketches/both_motors/both_motors.ino

   1 /*
   2  This program is free software: you can redistribute it and/or modify
   3     it under the terms of the GNU Affero General Public License as
   4     published by the Free Software Foundation, either version 3 of the
   5     License, or (at your option) any later version.
   6
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10     GNU Affero General Public License for more details.
  11
  12     You should have received a copy of the GNU Affero General Public License
  13     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  */
  15
  16 // define which pins are connected to which components
  17 int right_motor_speed_pin = 3;
  18 int right_motor_forward_pin = 4;
  19 int right_motor_backward_pin = 5;
  20
  21 int left_motor_speed_pin = 8;
  22 int left_motor_forward_pin = 9;
  23 int left_motor_backward_pin = 10;
  24
  25 void on(int pin){
  26   digitalWrite(pin, HIGH);}
  27
  28 void off(int pin){
  29   digitalWrite(pin, LOW);}
  30
  31 void setup(){
  32   // the arduino will change the voltage on these pins
  33   //  therefore, these pins are OUTPUT pins
  34   pinMode(right_motor_speed_pin, OUTPUT);
  35   pinMode(right_motor_forward_pin, OUTPUT);
  36   pinMode(right_motor_backward_pin, OUTPUT);
  37
  38   pinMode(left_motor_speed_pin, OUTPUT);
  39   pinMode(left_motor_forward_pin, OUTPUT);
  40   pinMode(left_motor_backward_pin, OUTPUT);}
  41
  42 void loop(){
  43   off(right_motor_backward_pin);
  44   on(right_motor_forward_pin);
  45   analogWrite(right_motor_speed_pin, 255);
  46
  47   off(left_motor_backward_pin);
  48   on(left_motor_forward_pin);
  49   analogWrite(left_motor_speed_pin, 255);}