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68 lines
1.8 KiB
68 lines
1.8 KiB
#include <Wire.h>
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#include <Adafruit_MotorShield.h>
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#include "utility/Adafruit_MS_PWMServoDriver.h"
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#define trigPin A1
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#define echoPin A0
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// Create the motor shield object with the default I2C address
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Adafruit_MotorShield AFMS = Adafruit_MotorShield();
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// Select which 'port' M1, M2, M3 or M4. In this case, M1
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Adafruit_DCMotor *myMotor = AFMS.getMotor(1);
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Adafruit_DCMotor *myMotor2 = AFMS.getMotor(2);
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Adafruit_DCMotor *myMotor3 = AFMS.getMotor(3);
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Adafruit_DCMotor *myMotor4 = AFMS.getMotor(4);
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void setup() {
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Serial.begin(9600); // set up Serial library at 9600 bps
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Serial.println("Adafruit Motorshield v2 - DC Motor test!");
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pinMode(trigPin, OUTPUT);
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pinMode(echoPin, INPUT);
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AFMS.begin(); // create with the default frequency 1.6KHz
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Serial.println("AFMS began."); //not reaching here
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// Set the speed to start, from 0 (off) to 255 (max speed)
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myMotor->setSpeed(100);
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myMotor->run(FORWARD);
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myMotor2->setSpeed(100);
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myMotor2->run(BACKWARD);
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myMotor3->setSpeed(100);
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myMotor3->run(BACKWARD);
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myMotor4->setSpeed(100);
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myMotor4->run(FORWARD);
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}
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void loop() {
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long duration, distance;
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digitalWrite(trigPin, LOW); // Added this line
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delayMicroseconds(2); // Added this line
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digitalWrite(trigPin, HIGH);
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delayMicroseconds(10); // Added this line
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digitalWrite(trigPin, LOW);
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duration = pulseIn(echoPin, HIGH);
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distance = duration *0.034/2;
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if (distance <= 5){
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myMotor ->run(RELEASE);
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myMotor2->run(RELEASE);
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myMotor3->run(RELEASE);
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myMotor4->run(RELEASE);
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}
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else {
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Serial.print(distance);
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Serial.println(" cm");
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myMotor->run(FORWARD);
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myMotor2->run(BACKWARD);
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myMotor3->run(BACKWARD);
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myMotor4->run(FORWARD);
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myMotor ->setSpeed(100);
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myMotor2->setSpeed(100);
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myMotor3->setSpeed(100);
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myMotor4->setSpeed(100);
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}
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}
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