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--- pm:prj2021:avaduva:android_car [2021/06/01 16:00]
ion_denis.balan [Poze]
+++ pm:prj2021:avaduva:android_car [2021/06/02 10:28] (current)
ion_denis.balan [Software Design]
@@ Line 32: / Line 32: @@
   - #include <SoftwareSerial.h> --> Pentru bluetooth
 In functia de setup fac Serial.begin(9600) si setez pinii pentru care dau output.
-In functia de loop primes input si afisez pe LCD inputul, dupa care setez viteza si directia pentru motoare.
+In functia de loop primesc input si afisez pe LCD inputul, dupa care setez viteza si directia pentru motoare.
+Inputul primit de la telefon este prelucrat in functia loop() si comparat cu diferite comenzi in functie de directia de miscare dorita.
 ==== Poze ====
-{{:pm:prj2021:avaduva:denis2.jpg?300|}}
+{{:pm:prj2021:avaduva:denis2.jpg?200|}}
-{{:pm:prj2021:avaduva:denis3.jpg?300|}}
+{{:pm:prj2021:avaduva:denis3.jpg?200|}}
-{{:pm:prj2021:avaduva:denis1.jpg?600|}}
+{{:pm:prj2021:avaduva:denis1.jpg?450|}}
+==== Jurnal ====
+  - 11.05.2021 --> comandare sasiu + suport beterii + driver
+  - 19.05.2021 --> comandare modul bluetooth (am uitat de el)
+  - 20 - 1 .06.2021 --> asamblare + verificare cod
+==== Demo ====
+https://www.youtube.com/watch?v=GM5x62Ts5JQ&t=1s&ab_channel=DenisBalan
+==== Cod ====
+  - #include <LiquidCrystal_I2C.h>
+  - #include <SoftwareSerial.h>
+  - SoftwareSerial hc05(0, 1);
+  - LiquidCrystal_I2C lcd(0x27,20,4);
+=== Declarare variabile ===
+  - int motor1pin1 = 2;
+  - int motor1pin2 = 3;
+  - int motor2pin1 = 4;
+  - int motor2pin2 = 5;
+  - int motor3pin1 = 6;
+  - int motor3pin2 = 7;
+  - int motor4pin1 = 8;
+  - int motor4pin2 = 9;
+  - char command;
+  - #define trig_pin A4
+  - #define echo_pin A5
+== Setup() ==
+void setup() {
+  Serial.begin(9600);
+  hc05.begin(9600);
+  pinMode(motor1pin1, OUTPUT);
+  pinMode(motor1pin2, OUTPUT);
+  pinMode(motor2pin1, OUTPUT);
+  pinMode(motor2pin2, OUTPUT);
+  pinMode(motor3pin1, OUTPUT);
+  pinMode(motor3pin2, OUTPUT);
+  pinMode(motor4pin1, OUTPUT);
+  pinMode(motor4pin2, OUTPUT);
+  pinMode(10, OUTPUT);
+  pinMode(11, OUTPUT);
+  pinMode(12, OUTPUT);
+  pinMode(13, OUTPUT);
+}
+== Loop() ==
+void loop() {
+  // initiez LCD -ul
+  lcd.init();
+  lcd.backlight();
+  lcd.clear();
+  // verific daca am input si-l preiau
+  if(hc05.available() > 0){
+    command = hc05.read();
+    Serial.write(Serial.read());
+  }
+  else {
+    command = ' ';
+  }
+  // daca comanda este F atunci afisez pe LCD
+  // si dau comanda la motoare sa se miste
+  // la fel si in celelalte if-uri
+  if (command == 'F') {
+    lcd.print("FORWARD");
+    //Controlling spin direction of motors:
+    digitalWrite(motor1pin1, HIGH);
+    digitalWrite(motor1pin2, LOW);
+    digitalWrite(motor2pin1, HIGH);
+    digitalWrite(motor2pin2, LOW);
+    digitalWrite(motor3pin1, HIGH);
+    digitalWrite(motor3pin2, LOW);
+    digitalWrite(motor4pin1, HIGH);
+    digitalWrite(motor4pin2, LOW);
+    // setez viteza motoarelor
+    analogWrite(10, 255); //ENA pin
+    analogWrite(11, 255); //ENB pin
+    analogWrite(12, 255); //ENA pin
+    analogWrite(13, 255); //ENA pin
+  }
+  if (command == 'B') {
+    lcd.print("BACKWARD");
+    //Controlling spin direction of motors:
+    digitalWrite(motor1pin1, LOW);
+    digitalWrite(motor1pin2, HIGH);
+    digitalWrite(motor2pin1, LOW);
+    digitalWrite(motor2pin2, HIGH);
+    digitalWrite(motor3pin1, LOW);
+    digitalWrite(motor3pin2, HIGH);
+    digitalWrite(motor4pin1, LOW);
+    digitalWrite(motor4pin2, HIGH);
+    analogWrite(10, 255); //ENA pin
+    analogWrite(11, 255); //ENB pin
+    analogWrite(12, 255); //ENA pin
+    analogWrite(13, 255); //ENA pin
+  }
+  if (command == 'L') {
+    lcd.print("LEFT");
+    //Controlling spin direction of motors:
+    digitalWrite(motor1pin1, HIGH);
+    digitalWrite(motor1pin2, LOW);
+    digitalWrite(motor2pin1, LOW);
+    digitalWrite(motor2pin2, LOW);
+    digitalWrite(motor4pin1, HIGH);
+    digitalWrite(motor4pin2, LOW);
+    digitalWrite(motor3pin1, LOW);
+    digitalWrite(motor3pin2, LOW);
+    analogWrite(10, 255); //ENA pin
+    analogWrite(11, 255); //ENB pin
+    analogWrite(12, 255); //ENA pin
+    analogWrite(13, 255); //ENA pin
+  }
+  if (command == 'R') {
+    lcd.print("RIGHT");
+    //Controlling spin direction of motors:
+    digitalWrite(motor1pin1, LOW);
+    digitalWrite(motor1pin2, LOW);
+    digitalWrite(motor2pin1, HIGH);
+    digitalWrite(motor2pin2, LOW);
+    digitalWrite(motor4pin1, LOW);
+    digitalWrite(motor4pin2, LOW);
+    digitalWrite(motor3pin1, HIGH);
+    digitalWrite(motor3pin2, LOW);
+    analogWrite(10, 255); //ENA pin
+    analogWrite(11, 255); //ENB pin
+    analogWrite(12, 255); //ENA pin
+    analogWrite(13, 255); //ENA pin
+  }
+  if (command == 'S') {
+    lcd.print("STOP");
+    //Controlling spin direction of motors:
+    digitalWrite(motor1pin1, LOW);
+    digitalWrite(motor1pin2, LOW);
+    digitalWrite(motor2pin1, LOW);
+    digitalWrite(motor2pin2, LOW);
+    digitalWrite(motor4pin1, LOW);
+    digitalWrite(motor4pin2, LOW);
+    digitalWrite(motor3pin1, LOW);
+    digitalWrite(motor3pin2, LOW);
+    analogWrite(10, 0); //ENA pin
+    analogWrite(11, 0); //ENB pin
+    analogWrite(12, 0); //ENA pin
+    analogWrite(13, 0); //ENA pin
+  }
+}
+===== Concluzii: =====
+Nu am ales un proiect greu, dar din care am avut ce invata. Am invatat sa folosesc driverele L298n v1 in paralel + datorita videoclipurilor vazute pe YT despre mai multe proiecte asemanatoare am inteles cum functioneaza fiecare piesa si am observat ca nu aveam nevoie de 2 drivere, puteam si cu unul singur.
 ===== Bibliografie/Resurse: =====
-http://ocw.cs.pub.ro/courses/pm/prj2021/avaduva/android_car
+  - https://www.youtube.com/watch?v=dyjo_ggEtVU&t=1228s
+  - https://www.youtube.com/watch?v=tujih1afqiE&ab_channel=DroneBotWorkshopDroneBotWorkshopVerificat
+  - https://create.arduino.cc/projecthub/ryanchan/how-to-use-the-l298n-motor-driver-b124c5
+  - https://www.youtube.com/watch?v=xVC0X_PE_XE
+===== Download: =====
+[[https://ocw.cs.pub.ro/courses/pm/prj2021/avaduva/android_car?do=export_pdf|Pagina wiki]]