#include "Motor.h"

Motor motor;

void setup() {
  motor.attach(5,6);
  Serial.begin(9600);
  Serial.print("format : [0-255][ab]");
}

void loop() {
  static int v = 0;

  if ( Serial.available() ) {
    char ch = Serial.read();

    switch(ch) {
      case '0'...'9':
        v = v * 10 + ch - '0';
        break;
      case 'a':
        motor.speed(v);
        v = 0;
        break;
      case 'b':
        motor.speed(-v);
        v = 0;
        break;
    }
  }
}