Compiling error arduino uno

PlatformIO IDE
1 
    Compiling .pio\build\uno\src\main.cpp.o
src\main.cpp:111:1: error: 'Servo' does not name a type; did you mean 'Serial'?
 Servo myservo;
 ^~~~~
 Serial
src\main.cpp: In function 'void putWater()':
src\main.cpp:134:3: error: 'myservo' was not declared in this scope
   myservo.write(380);              // tell servo to go to position in variable 'pos'
   ^~~~~~~
src\main.cpp:134:3: note: suggested alternative: 'mySerial'
   myservo.write(380);              // tell servo to go to position in variable 'pos'
   ^~~~~~~
   mySerial
src\main.cpp: In function 'void setup()':
src\main.cpp:217:3: error: 'myservo' was not declared in this scope
   myservo.attach(12);
   ^~~~~~~
src\main.cpp:217:3: note: suggested alternative: 'mySerial'
   myservo.attach(12);
   ^~~~~~~
   mySerial
Compiling .pio\build\uno\FrameworkArduino\hooks.c.o
Compiling .pio\build\uno\FrameworkArduino\main.cpp.o
*** [.pio\build\uno\src\main.cpp.o] Error 1
Compiling .pio\build\uno\FrameworkArduino\new.cpp.o
======================================================================== [FAILED] Took 1.79 seconds ========================================================================The terminal process "C:\Users\Kaua Vitorio\.platformio\penv\Scripts\platformio.exe 'run'" terminated with exit code: 1.

Terminal will be reused by tasks, press any key to close it.

> Executing task: C:\Users\Kaua Vitorio\.platformio\penv\Scripts\platformio.exe run <

Processing uno (platform: atmelavr; board: uno; framework: arduino)
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/atmelavr/uno.html
PLATFORM: Atmel AVR (3.3.0) > Arduino Uno
HARDWARE: ATMEGA328P 16MHz, 2KB RAM, 31.50KB Flash
DEBUG: Current (avr-stub) On-board (avr-stub, simavr)
PACKAGES:
 - framework-arduino-avr 5.1.0
 - toolchain-atmelavr 1.70300.191015 (7.3.0)
LDF: Library Dependency Finder -> http://bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ soft
Found 5 compatible libraries
Scanning dependencies...
Dependency Graph
|-- <SoftwareSerial> 1.0
Building in release mode
Compiling .pio\build\uno\src\main.cpp.o
src\main.cpp:111:1: error: 'Servo' does not name a type; did you mean 'Serial'?
 Servo myservo;
 ^~~~~
 Serial
src\main.cpp: In function 'void putWater()':
src\main.cpp:134:3: error: 'myservo' was not declared in this scope
   myservo.write(380);              // tell servo to go to position in variable 'pos'
   ^~~~~~~
src\main.cpp:134:3: note: suggested alternative: 'mySerial'
   myservo.write(380);              // tell servo to go to position in variable 'pos'
   ^~~~~~~
   mySerial
src\main.cpp: In function 'void setup()':
src\main.cpp:217:3: error: 'myservo' was not declared in this scope
   myservo.attach(12);
   ^~~~~~~
src\main.cpp:217:3: note: suggested alternative: 'mySerial'
   myservo.attach(12);
   ^~~~~~~
   mySerial
Compiling .pio\build\uno\FrameworkArduino\wiring.c.o
Compiling .pio\build\uno\FrameworkArduino\wiring_analog.c.o
Compiling .pio\build\uno\FrameworkArduino\wiring_digital.c.o
*** [.pio\build\uno\src\main.cpp.o] Error 1
2

My code

#include <Arduino.h>
#include <SoftwareSerial.h>  
#include <avr/wdt.h>
#include <SoftwareServo.h>

{#define notes}

SoftwareSerial mySerial(10, 11); // RX, TX  

String command = ""; // Stores response of bluetooth device  

            // which simply allows \n between each  

            // response.  

long int data;

int LED = 7;

int LEDGREEN = 6;

int LEDRED = 5;

int speakerPin  = 4;

long int password1 = 92;

long int password2 = 79;

long int connectpass = 0;

char state = 0;

Servo myservo;

int pos = 0;

void beep (unsigned char speakerPin, int frequencyInHertz, long timeInMilliseconds)  //code for working out the rate at which each note plays and the frequency.

{

  int x;     

  long delayAmount = (long)(1000000/frequencyInHertz);

  long loopTime = (long)((timeInMilliseconds*1000)/(delayAmount*2));

  for (x=0;x<loopTime;x++)   

  {   

    digitalWrite(speakerPin,HIGH);

    delayMicroseconds(delayAmount);

    digitalWrite(speakerPin,LOW);

    delayMicroseconds(delayAmount);

  }   

  delay(20);

} 

void putWater(){

  digitalWrite(LED, HIGH);

  Serial.println("Puting Water ");

  myservo.write(380);              // tell servo to go to position in variable 'pos'

  delay(2000);

      

  myservo.write(0);              // tell servo to go to position in variable 'pos'

  delay(90);

  digitalWrite(LED, LOW);

  delay(305);

  digitalWrite(LED, HIGH);

  delay(305);

  digitalWrite(LED, LOW);

  delay(100);

  Serial.println("Puting Water End ");

  beep(speakerPin, NOTE_F5, 100);

  delay(100);

  beep(speakerPin, NOTE_G5, 100);

  delay(100);

  beep(speakerPin, NOTE_E5, 100);

  delay(500);

} 

void song()  //here is where all the notes for the song are played.

{       

  beep(speakerPin, NOTE_D5, 100);  //   beep( -PIN OF SPEAKER-, -THE NOTE WANTING TO BE PLAYED-, -DURATION OF THE NOTE IN MILISECONDS- )

  delay(80);

  beep(speakerPin, NOTE_F5, 100);

  delay(80);

  beep(speakerPin, NOTE_D6, 200);

  delay(250);

 

  beep(speakerPin, NOTE_D5, 100);

  delay(80);

  beep(speakerPin, NOTE_F5, 100);

  delay(80);

  beep(speakerPin, NOTE_D6, 200);

  delay(250);

 

  beep(speakerPin, NOTE_E6, 200);

  delay(200);

  beep(speakerPin, NOTE_F6, 100);

  delay(100);

  beep(speakerPin, NOTE_E6, 100);

  delay(80);

  beep(speakerPin, NOTE_F6, 100);

  delay(80);

  beep(speakerPin, NOTE_E6, 100);

  delay(80);

  beep(speakerPin, NOTE_C6, 100);

  delay(80);

  beep(speakerPin, NOTE_A5, 100);

  delay(300);

 

  beep(speakerPin, NOTE_A5, 200);

  delay(100);

  beep(speakerPin, NOTE_D5, 200);

  delay(100);

  beep(speakerPin, NOTE_F5, 100);

  delay(100);

  beep(speakerPin, NOTE_G5, 100);

  delay(100);

  beep(speakerPin, NOTE_A5, 100);

  delay(500);

 

  beep(speakerPin, NOTE_A5, 200);

  delay(100);

  beep(speakerPin, NOTE_D5, 200);

  delay(100);

  beep(speakerPin, NOTE_F5, 100);

  delay(100);

  beep(speakerPin, NOTE_G5, 100);

  delay(100);

  beep(speakerPin, NOTE_E5, 100);

}

  
   

void setup()   

{

  wdt_disable();

  pinMode(LED, OUTPUT);

  pinMode(LEDGREEN, OUTPUT);

  pinMode(LEDRED, OUTPUT);

  pinMode(speakerPin , OUTPUT);

  myservo.attach(12);

  myservo.write(0);  

  //song();

  digitalWrite(LED, LOW);

  digitalWrite(LEDGREEN, LOW);

  digitalWrite(LEDRED, HIGH);

  

  // Open serial communications and wait for port to open:  

  Serial.begin(115200);  

  Serial.println("Bem Vindo!");  

  // SoftwareSerial "com port" data rate. JY-MCU v1.03 defaults to 9600.  

  mySerial.begin(9600);

}  

   

void loop()  

{

  while (mySerial.available() != 0){

  digitalWrite(LEDGREEN, LOW);

  digitalWrite(LEDRED, HIGH);

  }

  

  while (mySerial.available() == 0);

  digitalWrite(LEDGREEN, HIGH);

  digitalWrite(LEDRED, LOW);

  if(mySerial.available() > 0){

    data = mySerial.parseInt();

  }

  delay(200);

  if(data == password1){

  putWater();

  }

  

  if(data == password2){

  digitalWrite(LED, HIGH); 

  Serial.println("LED OFF "); 

  }

  if(data == 00){

  digitalWrite(LED, LOW); 

  Serial.println("LED OFF "); 

  digitalWrite(LEDGREEN, LOW);

  digitalWrite(LEDRED, HIGH);

  wdt_enable(WDTO_1S);

  }

  if(data == 01){

  digitalWrite(LEDGREEN, HIGH);

  digitalWrite(LEDRED, LOW);

  beep(speakerPin, NOTE_C6, 100);

  delay(80);

  beep(speakerPin, NOTE_A5, 100);

  delay(300);

  }

  

  // Read device output if available.  

  /*if (mySerial.available()) 

  {  

     while(mySerial.available()) 

     { // While there is more to be read, keep reading.  

       command += (char)mySerial.read();  

     }  

   Serial.println(command);  

   command = ""; // No repeats  

  }  

  

  // Read user input if available.  

  if (Serial.available())

  {  

    delay(10); // The DELAY!  

    mySerial.write(Serial.read());  

  }  */

   

}// END loop()
```
3

Are you using the servo library as in the Arduino IDE? If so, the header file(s) are:

  • Servo.h
  • ServoTimers.h

I notice you are using SoftwareServo.h – I had a search at A professional collaborative platform for embedded development · PlatformIO and got no results when searching for that header.

The Servo class is defined in the Servo.h header file.

I notice you are using the watchdog with a 1 second timeout as well. I don’t see anything in the code that resets the watchdog within one second. The chances are that you will end up resetting the board every second.

In fact putWater() has a two second delay so your “putting of water” will cause the watchdog to reset the board half way through the delay(2000) call!

You need to call wdt_reset() often enough so that you never exceed the specified 1 second timeout.

EDIT: What are you actually using the watchdog for? You disable it in setup() and enable it when you receive ‘00’ in loop().

HTH

Cheers,
Norm.

2 Likes