/*
 * Motor Controller test program
 * A test program to control the outputs of the L298N driver
 * 
 * Author: Harley Lara
 * Create: 01 May 2021
 * License: (CC BY-SA 4.0) Attribution-ShareAlike 4.0 International
 * 
 * This work may be reproduced, modified, distributed,
 * performed, and displayed for any purpose, but must
 * acknowledge this project. Copyright is retained and
 * must be preserved. The work is provided as is; no
 * warranty is provided, and users accept all liability.
 * 
 */
                        
/* Motor Pins Configuration 
*                
* ATtiny3216 |  Fisical Pin | Prog  | Arduino | Function |
*            |       12     | PA2   |    9    |   IN1    | * Motor 1 Output 1
*            |       11     | PA1   |    8    |   IN2    | * Motor 1 Output 2
*            |       13     | PA3   |   10    |   IN3    | * Motor 2 Output 1
*            |        4     | PA6   |    2    |   IN4    | * Motor2 Output 2
*            |        2     | PA4   |    0    |  EN_A    | * Ena ble Motor 1
*            |        3     | PA5   |    1    |  EN_B    | * Enable Motor 2
*/

int motor1pin1 = 9;
int motor1pin2 = 8;

int motor2pin1 = 10;
int motor2pin2 = 2;

int en_A = 0;
int en_B = 1;

void setup() {
 
 pinMode(motor1pin1, OUTPUT);
 pinMode(motor1pin2, OUTPUT);
 pinMode(motor2pin1, OUTPUT);
 pinMode(motor2pin2, OUTPUT);

 pinMode(en_A, OUTPUT); 
 pinMode(en_B, OUTPUT);
}

void loop() {

 // Speed Controll => 0 = off and 255 = max speed
 analogWrite(en_A, 100); // EN_A pin
 // analogWrite(en_B, 200); // EN_B pin
 
 digitalWrite(motor1pin1, LOW);
 digitalWrite(motor1pin2, HIGH);

 digitalWrite(motor2pin1, LOW);
 digitalWrite(motor2pin2, HIGH);
 delay(1000);

 digitalWrite(motor1pin1, HIGH);
 digitalWrite(motor1pin2, LOW);

 digitalWrite(motor2pin1, HIGH);
 digitalWrite(motor2pin2, LOW);
 delay(1000);
}