A problem occurred in the code that appears that there appears to be not naming a type

Projects Programming
1 

#include "IR_remote.h"
#include "keymap.h"

IRremote ir(3);

#include <Servo.h>

int base_degress;
int arm_degress;
int claw_degress;
int counter;
int Left_Tra_Value;
int Center_Tra_Value;
int Right_Tra_Value;
int Black_Line;


Servo myservo1;
Servo myservo2;
Servo myservo3;

void setup()
{
  IRremote ir(3);

  base_degress = 90;
  arm_degress = 90;
  claw_degress = 90;
  counter = 1;
  myservo1.attach(9);
  myservo2.attach(10);
  myservo3.attach(11);
  myservo1.write(claw_degress);
  delay(500);
  myservo2.write(arm_degress);
  delay(500);
  myservo3.write(base_degress);
  delay(500);
  pinMode(2, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(6, OUTPUT);
  Stop();
  Serial.begin(9600);
  pinMode(7, INPUT);//Left line tracking sensor is connected to the digital IO port D7
  pinMode(8, INPUT);//Center line patrol sensor is connected to the digital IO port D8
  pinMode(A1, INPUT);//Right line tracking sensor is connected to the digital IO port D9
  Left_Tra_Value = 1;
  Center_Tra_Value = 1;
  Right_Tra_Value = 1;
  Black_Line = 1;
  pinMode(7, INPUT);
  pinMode(8, INPUT);
  pinMode(A1, INPUT);
  pinMode(2, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(6, OUTPUT);
}
void intialize(){
  myservo1.write(90);//make claw servo 1 rotate to 90°
  delay(200);
  myservo2.write(135);//make arm servo 2 rotate to 135°
  delay(200);
  myservo3.write(90);//make base servo 3 rotate to 90°
  delay(200);
}
void loop(){

  if(counter==1) // do only if counter is 1
  {
    intialize();
    counter--; //decrease counter by 1
  }

  if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_UP) {
    Move_Forward(100);
    delay(300);
    Stop();

  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_DOWN) {
    Move_Backward(100);
    delay(300);
    Stop();
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_LEFT) {
    Rotate_Left(70);
    delay(300);
    Stop();
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_RIGHT) {
    Rotate_Right(70);
    delay(300);
    Stop();
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_OK) {
    Stop();
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_9) {
    claw_degress = claw_degress - 5;
    if (claw_degress <= 50) {
      claw_degress = 50;

    }
    myservo1.write(claw_degress);
    delay(2);
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_7) {
    claw_degress = claw_degress + 5;
    if (claw_degress >= 180) {
      claw_degress = 180;
    }
    myservo1.write(claw_degress);
    delay(2);
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_2) {
    arm_degress = arm_degress + 5;
    if (arm_degress >= 180) {
      arm_degress = 180;

    }
    myservo2.write(arm_degress);
    delay(2);
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_8) {
    arm_degress = arm_degress - 5;
    if (arm_degress <= 0) {
      arm_degress = 0;

    }
    myservo2.write(arm_degress);
    delay(2);
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_4) {
    base_degress = base_degress + 5;
    if (base_degress >= 180) {
      base_degress = 180;

    }
    myservo3.write(base_degress);
    delay(2);
  } else if (ir.getIrKey(ir.getCode(),1) == IR_KEYCODE_6) {
    base_degress = base_degress - 5;
    if (base_degress <= 0) {
      base_degress = 0;

    }
    myservo3.write(base_degress);
    delay(2);
  }

}
void Move_Backward(int speed) {
  digitalWrite(2,LOW);
  analogWrite(5,speed);
  digitalWrite(4,HIGH);
  analogWrite(6,speed);
}

void Rotate_Right(int speed) {
  digitalWrite(2,HIGH);
  analogWrite(5,speed);
  digitalWrite(4,HIGH);
  analogWrite(6,speed);
}

void Rotate_Left(int speed) {
  digitalWrite(2,LOW);
  analogWrite(5,speed);
  digitalWrite(4,LOW);
  analogWrite(6,speed);
}

void Stop() {
  digitalWrite(2,LOW);
  analogWrite(5,0);
  digitalWrite(4,HIGH);
  analogWrite(6,0);
}

void Move_Forward(int speed) {
  digitalWrite(2,HIGH);
  analogWrite(5,speed);
  digitalWrite(4,LOW);
  analogWrite(6,speed);
}
void Infrared_Tracing() 
{
  int Left_Tra_Value = 1;
  int Center_Tra_Value = 1;
  int Right_Tra_Value = 1;
  Left_Tra_Value = digitalRead(7);
  Center_Tra_Value = digitalRead(8);
  Right_Tra_Value = digitalRead(A1);
  Serial.print("Left Tracking value:");
  Serial.println(Left_Tra_Value);
  Serial.print("Center Tracking value:");
  Serial.println(Center_Tra_Value);
  Serial.print("Right Tracking value:");
  Serial.println(Right_Tra_Value);
  Serial.println("");
  delay(500);
}
  Left_Tra_Value = digitalRead(7);
  Center_Tra_Value = digitalRead(8);
  Right_Tra_Value = digitalRead(A1);
  if (Left_Tra_Value != Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value != Black_Line)) {
    Move_Forward(120);

  } else if (Left_Tra_Value == Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value != Black_Line)) {
    Rotate_Left(80);
  } else if (Left_Tra_Value == Black_Line && (Center_Tra_Value != Black_Line && Right_Tra_Value != Black_Line)) {
    Rotate_Left(120);
  } else if (Left_Tra_Value != Black_Line && (Center_Tra_Value != Black_Line && Right_Tra_Value == Black_Line)) {
    Rotate_Right(120);
  } else if (Left_Tra_Value != Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value == Black_Line)) {
    Rotate_Right(80);
  } else if (Left_Tra_Value == Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value == Black_Line)) {
    Stop();
  }

}




void Move_Forward(int speed) {
  digitalWrite(2,HIGH);
  analogWrite(5,speed);
  digitalWrite(4,LOW);
  analogWrite(6,speed);
}

void Stop() {
  digitalWrite(2,LOW);
  analogWrite(5,0);
  digitalWrite(4,HIGH);
  analogWrite(6,0);
}

void Move_Backward(int speed) {
  digitalWrite(2,LOW);
  analogWrite(5,speed);
  digitalWrite(4,HIGH);
  analogWrite(6,speed);
}

void Rotate_Right(int speed) {
  digitalWrite(2,HIGH);
  analogWrite(5,speed);
  digitalWrite(4,HIGH);
  analogWrite(6,speed);
}

void Rotate_Left(int speed) {
  digitalWrite(2,LOW);
  analogWrite(5,speed);
  digitalWrite(4,LOW);
  analogWrite(6,speed);
}

2222:196:3: error: 'Left_Tra_Value' does not name a type
Left_Tra_Value = digitalRead(7);
^~~~~~~~~~~~~~
2222:197:3: error: 'Center_Tra_Value' does not name a type
Center_Tra_Value = digitalRead(8);
^~~~~~~~~~~~~~~~
2222:198:3: error: 'Right_Tra_Value' does not name a type
Right_Tra_Value = digitalRead(A1);
^~~~~~~~~~~~~~~
2222:199:3: error: expected unqualified-id before 'if'
if (Left_Tra_Value != Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value != Black_Line)) {
^~
2222:202:5: error: expected unqualified-id before 'else'
} else if (Left_Tra_Value == Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value != Black_Line)) {
^~~~
2222:204:5: error: expected unqualified-id before 'else'
} else if (Left_Tra_Value == Black_Line && (Center_Tra_Value != Black_Line && Right_Tra_Value != Black_Line)) {
^~~~
2222:206:5: error: expected unqualified-id before 'else'
} else if (Left_Tra_Value != Black_Line && (Center_Tra_Value != Black_Line && Right_Tra_Value == Black_Line)) {
^~~~
2222:208:5: error: expected unqualified-id before 'else'
} else if (Left_Tra_Value != Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value == Black_Line)) {
^~~~
2222:210:5: error: expected unqualified-id before 'else'
} else if (Left_Tra_Value == Black_Line && (Center_Tra_Value == Black_Line && Right_Tra_Value == Black_Line)) {
^~~~
2222:214:1: error: expected declaration before '}' token
}
^
Multiple libraries were found for "Servo.h"
Used: C:\Users---\OneDrive\Documents\Arduino\libraries\Servo
Not used: C:\Program Files (x86)\Arduino\libraries\Servo
exit status 1
'Left_Tra_Value' does not name a type

2

6 posts were merged into an existing topic: Good day! we would like to ask help about our code, another problem resurface and it's the part where the start is Left_ Tra and the end is the stop