#define PUL1 3
#define ENA1 2
#define DIR1 6
#define ENA2 8
#define PUL2 5
#define DIR2 10
#define LASERENA 13
#define LASERPWM 9
void setup() {
  pinMode(PUL1, OUTPUT);
	pinMode(DIR1, OUTPUT);
	pinMode(ENA1, OUTPUT);
  pinMode(PUL2, OUTPUT);
	pinMode(DIR2, OUTPUT);
	pinMode(ENA2, OUTPUT);
  pinMode(LASERENA, OUTPUT);
	pinMode(LASERPWM, OUTPUT);
}

void loop() {
	digitalWrite(LASERENA, HIGH);
	digitalWrite(ENA1, LOW);
	digitalWrite(DIR1, HIGH);
	for(int x=0; x<1600; x++){
	    digitalWrite(PUL1, HIGH);
	    delayMicroseconds(625/2);
	    digitalWrite(PUL1, LOW);
	    delayMicroseconds(625/2);
    }
	delay(1000);	//停1s
	digitalWrite(DIR1, LOW);    //反转
    for(int x=0; x<1600; x++){
	    digitalWrite(PUL1, HIGH);
	    delayMicroseconds(625/2);
	    digitalWrite(PUL1, LOW);
	    delayMicroseconds(625/2);
    }
  digitalWrite(ENA2, HIGH);
	digitalWrite(DIR2, HIGH);
	for(int x=0; x<1600; x++){
	    digitalWrite(PUL2, HIGH);
	    delayMicroseconds(625/2);
	    digitalWrite(PUL2, LOW);
	    delayMicroseconds(625/2);
    }
	delay(1000);	//停1s
	digitalWrite(DIR2, LOW);    //反转
    for(int x=0; x<1600; x++){
	    digitalWrite(PUL2, HIGH);
	    delayMicroseconds(625/2);
	    digitalWrite(PUL2, LOW);
	    delayMicroseconds(625/2);
    }
	digitalWrite(LASERENA, LOW);
	delay(1000);	//停1s

}