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Questions tagged [compilation-errors]

An error that is generated during the compilation phase, often due to problems with invalid syntax and/or types. Not for errors during the uploading or execution phase.

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Arduino_DebugUtils.h: No such file or directory

How to get rid of this error? /storage/emulated/0/ArduinoDroid/userlibraries/Arduino_ConnectionHandler/src/Arduino_ConnectionHandler.h:26:34: fatal error: Arduino_DebugUtils.h: No such file or ...
Yug Ahuja's user avatar
0 votes
1 answer
52 views

ATtiny25 - assembly - BOD disable for sleep mode - error [closed]

If I understood the AVR instruction manual correctly, the ATtiny 25 can disable the BODlevel2 fuse by software, but when compiling with Studio 7 (version 7.0.132), I get the error "Undefined ...
Laur Hus's user avatar
-1 votes
2 answers
76 views

I cannot resolve the errors with attachInterrupt() (error: invalid use of non-static member function) [duplicate]

I have been trying for days to get this code to work, but I cannot find a solution. Can anyone please help me find what I am missing here? My sketch: #include <ControlInterrupt.h> const int ...
TheCodeGeek's user avatar
-2 votes
1 answer
80 views

Some of my <include> statements do not work [closed]

I'm trying to include the thing... #include <BLEDevice.h> #include <BLEServer.h> #include <BLEUtils.h> #include <BLE2902.h> BLEServer* pServer = NULL; ...
The Void's user avatar
2 votes
1 answer
236 views

Problem compiling sketches for the arduino wavgat uno R33

I am configuring the arduino IDE to be able to compile and upload sketches for the arduino wavgat uno R3. I have installed the Arduino IDE, as well as the required drivers for the board. I also have ...
Sorenai de's user avatar
2 votes
5 answers
206 views

Break a big file into smaller files

I had a really big .ino file and I decided to break it down into sub-files. So I had the .ino file, the globals.h file and the functions.h file. I moved all the global vars and functions to their ...
user1584421's user avatar
  • 1,405
0 votes
0 answers
58 views

Compilation error with MMA8451 accelerometer and attiny85 using ATTinyCore

I am trying to use the Adafruit MMA8451 accelerometer with an attiny85. The Adafruit library uses Wire which doesn't work on the attiny so I used the ATTinyCore board files which have been modified to ...
Struan Lawrie's user avatar
5 votes
1 answer
984 views

Library not found when using the arduino-cli command (although working with the Arduino IDE)

I have a sketch which I can upload without problem with the Arduino IDE. I installed the arduino-cli Version: 0.28.0 Commit: 06fb1909 Date: 2022-10-18T15:53:04Z. I want to compile and upload a code ...
ecjb's user avatar
  • 165
1 vote
0 answers
90 views

Inconsistant compilation error

It is s a bit complicated to ask such question, but what may be the reason that one time compilation passes and other fails without any changes in code? surely debugging this way is very hard (one ...
guyd's user avatar
  • 1,049
2 votes
1 answer
89 views

error: 'MonoOutput' has not been declared (Mozzi library, Arduino Nano)

I know this error is specific to this particular family of sketches, but please bear with me; when I try to compile this against an Arduino Nano/Uno (with Arduino IDE 1.8.15) the compiler complains ...
apophene's user avatar
3 votes
1 answer
239 views

Ethernet library compilation error

I'm trying to connect my Arduino to the internet, but my Ethernet connection config code fails when I try to verify it, and I'm not sure why. I'm using an Ethernet shield and have installed the ...
KostR's user avatar
  • 31
-1 votes
1 answer
70 views

Initializing an object as class member resulting in linking error?

I'm a little dumbfounded as to why this isn't working. I keep getting the following linker error: In file included from src\ac.cpp:1:0: src/ac.h:9:21: error: expected identifier before numeric ...
Jeebus's user avatar
  • 3
0 votes
1 answer
3k views

variable or field declared void Error

For a larger sketch, I have separated a chunk of code in a separate .cpp file #include "msg.h" #include <Arduino.h> #include <HTTPClient.h> #include <ArduinoJson.h> void ...
Zaffresky's user avatar
  • 183
1 vote
1 answer
853 views

Add library to CLion project

I have a new project created with PlatformIO in CLion. I've copied the Servo-1.1.8 library into the include directory. #include <Arduino.h> #include "Servo-1.1.8/src/Servo.h" Servo ...
BanksySan's user avatar
  • 119
1 vote
0 answers
469 views

avrdude: ser_open(): can't set com-state for "\\.\COM4" [duplicate]

My Arduino code is not getting uploaded. It gives me "avrdude: ser_open(): can't set com-state for "\.\COM4" error. It worked literally 5 mins ago. now it doesn't work. I updated the ...
Paradox Ninja's user avatar
1 vote
0 answers
231 views

Arduino IDE Java error

I'm running IDE version 1.8.16 under Windows 10. Frequently I get the error message. The situation is solved only when exiting the IDE. Afterwards the compilation may be finished with or without ...
user1511360's user avatar
1 vote
1 answer
51 views

Libraries are not linked

I created 4 libraries, each in .h and .cpp files, and tested them individually. I kept the project flexibility by defining 3 flags that allow or disallow the usage of the libraries. When integrating ...
user1511360's user avatar
0 votes
1 answer
353 views

Problem in upload bootloader into esp32

I have problem with my esp32 Device and asked one question as you can see below: How to understand the ESP32 is working (Error: Arduino unknown board ...) As it is not fixed, so I am thinking to ...
Soheil Paper's user avatar
1 vote
1 answer
957 views

'GIMSK' was not declared in this scope

I'm programming an ATTiny 85 using the Arduino IDE and an Arduino Nano as "Arduino as ISP" to program the ATTiny. I succeeded a week ago and now I want to program a second chip but get the '...
Transistor's user avatar
0 votes
4 answers
1k views

What should I do with stackOverflow in compile error?

I don't have port, but when I want to compile my code (even empty files), I encounter this error: Sketch uses 444 bytes (1%) of program storage space. Maximum is 32256 bytes. Global variables use 9 ...
dorsa's user avatar
  • 9
1 vote
1 answer
6k views

invalid conversion from 'char' to 'const char*' [-fpermissive] on a string

I am compiling some code I didn't write, and it bombs out with the error message invalid conversion from 'char' to 'const char*' [-fpermissive] on the line if (loginPassword == '\0') loginPassword = &...
Ben Dauphinee's user avatar
1 vote
1 answer
688 views

Unable to compile c++11 libraries despite having added -std=c++11 in platform.txt

I want to use c++ data structures such as vectors, arrays, map... in my Arduino sketch. I made sure to add -std=c++11 and -std=gnu++11 in platform.txt, I am still getting the following error message: ...
S.E.K.'s user avatar
  • 53
1 vote
0 answers
177 views

Connecting MPU6050 to Arduino Due but using Jeff Rowbergs Library

I am working on a personal project in which I need to collect accurate data from the MPU6050 using an Arduino Due. I can interface and read data from the MPU using the SLC and SDA pins and the "...
Daniel G's user avatar
3 votes
1 answer
1k views

How to enable exception handling on the Arduino Due?

While the question here gives some hints, the solution provided there does not directly work on the Due, since it uses a different compiler and toolkit. Also, the Due has more than enough flash for ...
PMF's user avatar
  • 1,296
0 votes
3 answers
444 views

Returning struct from function generates 'does not name a type' compilation error

I have a main.ino file that contains struct EulerAngles { double roll, pitch, yaw; }; void setup() { EulerAngles angles; angles = anglesCalc(); Serial.print(angles.yaw); } void loop() { ...
Obromios's user avatar
  • 119
0 votes
1 answer
801 views

Why am I getting a "SendCommand was not declared" error?

#include <Adafruit_Fingerprint.h> #include <SoftwareSerial.h> #include <LiquidCrystal.h> uint8_t id; int getFingerprintIDez(); //pin #16 is IN from sensor (GREEN wire) //pin #15 is ...
SASHA SYAZANA 's user avatar
-1 votes
1 answer
40 views

I get an error?

void setup() { Serial.begin(9600); pinMode(13,OUTPUT); } void loop() { if(Serial.available()>0) {s_num =Serial.read();} if(s_num=='0'){ digitalWrite(13,HIGH); delay(100); //the specified time for 0 ...
Abdulrahman's user avatar
0 votes
1 answer
581 views

Arduino expected ')' before '{' token

for (byte i = 0; i < mfrc522.uid.size; i++) { Serial.print(mfrc522.uid.uidByte{i} < 0x10 ? " 0" : " "); Serial.print(mfrc522.uid.uidByte{i}, HEX); content....
Tingkai Yan's user avatar
2 votes
2 answers
2k views

Own type definition using a struct does not name a type

I need to initialize several buttons and LEDs connected to my Arduino. To store data related to an individual button or LED, I decided to define my own data type using two different structs. One for a ...
albert's user avatar
  • 205
0 votes
0 answers
687 views

Error compiling for board NodeMCU 1.0

i tried compiling a program to upload sensor readings that i connected with my ESP8266 to cloud (in my case, Antares) but i keep getting this error message. Can anyone tell me where the problem is, ...
Edelweis Dwi K. Dewi's user avatar
2 votes
1 answer
256 views

utility/spi_com.h error when compiling Marlin for Arduino mega with Ramps 1.4

I am using win 8.1 and trying to load Marlin 2.0.x onto Arduino Mega with an attached Ramps 1.4 board fitted with 3 8825 Drivers. Unfortunately everytime I try to compile It concludes with the ...
londonlad's user avatar
1 vote
1 answer
108 views

Error message - Need help

I found this Haptic Headband project on YouTube (link below) and I am trying to verify the code that was given in the instructions with the Arduino IDE. However, I keep getting the message below and ...
ynava's user avatar
  • 11
1 vote
0 answers
195 views

Error compiling to ESP32 using Arduino: Operand 2 of 'l32r' has out of range value

I was trying to follow this tutorial and ran into a problem compiling on the Arduino IDE with an ESP32 board. https://eloquentarduino.github.io/2019/12/how-to-do-gesture-identification-on-arduino/ I ...
solutionhacker's user avatar
-1 votes
1 answer
438 views

How to capture the compilaton output to a text file in Windows?

I am trying to capture the verbose output of the compilation to get it into a text file. I am using the IDE 1.8.12 running on Windows 10. I have tried looking for a right mouse button context menu, ...
Louis B.'s user avatar
1 vote
1 answer
1k views

I am getting an error while trying to set up the U8g2 library

I am just trying to set up the U8g2 library to use an OLED. I read through the documentation and tried copying and pasting the code block example for the constructor, but switched out their ...
Kayla's user avatar
  • 21
1 vote
1 answer
2k views

error at compiling : 'class TwoWire' has no member named 'setClock'

I am a newbie C programmer and I just started with Arduino web editor (Win10-Firefox)to code for a Raspberry Pi (3B) board. RPi is on line via ethernet connection. I tried to compile an example from ...
Ivan Herbots's user avatar
0 votes
1 answer
91 views

trying to make wemos d1 code modular causes collect2: error: ld returned 1 exit status exit status 1

#include "connection.h" void setup() { Serial.begin(115200); Funcs::Connect conn; conn.connectWifi(); } void loop() { } then connection.h file: // connection.h namespace Funcs { class ...
Ciasto piekarz's user avatar
0 votes
1 answer
290 views

pubsubclient won't compile in Arduino and VSCode IDEs

I've compiled successfully a year ago in Arduino IDE, but lately I'm getting fatal errors: /Users/davidjeffers/Documents/Arduino/libraries/PubSubClient/src/PubSubClient.cpp: At global scope: /Users/...
DavidJ's user avatar
  • 23
1 vote
1 answer
232 views

Esp8266: Linux - fatal: No names found and undefined reference to `app_entry_custom()'

as Gentoo user I build everything from sources, but I have problem with building toolchain for esp8266. I came up with this script: #!/bin/sh # note: eselect python2 before, because of gcc # ...
urhen's user avatar
  • 111
0 votes
1 answer
603 views

Error compiling for board Arduino Uno

I am relatively new to Arduino and I am trying to code some neo pixels and every time I try to verify my code this error comes up: Arduino: 1.8.12 (Mac OS X), Board: "Arduino Uno" loading ...
Erin Shankland's user avatar
0 votes
2 answers
2k views

Error compiling for board Arduino Nano

I have multiple Arduino Nano boards. I am able to compile or upload code only once. If I try to compile/upload again I get an error: "Error compiling for board Arduino Nano". However there is a ...
Nauris Grinbergs's user avatar
0 votes
1 answer
356 views

I have a question,an error occured in my code saying TIMSK was not declared in the scope(There are no errors)

#include <SmartInventor.h> void setup() { SmartInventor.DCMotorUse(); } void loop() { // M1, M2, M3 // CW, CCW, STOP // 0-100 // 0-360 SmartInventor.DCMotor(M1, CW, 10); delay(...
user64079's user avatar
-1 votes
1 answer
3k views

Having issue with a redeclaration as a different kind of symbol

Been struggling with this for a few days and I suspect that i have several issues but I cannot find them. Project: Need a serial count that counts by 5-50 and a button interrupt should trigger a ...
pancho22448's user avatar
0 votes
1 answer
48 views

Matching incoming data with a variable

I have a system where an RFID tag can be checked and Its individual 4byte UID will be printed. My task is to check if subsequent tags have the same UID and if not, print “access denied”. I'm assuming ...
Zèro 's user avatar
2 votes
0 answers
396 views

Error compiling for board Arduino Nano 33 BLE

I am trying to use pulse sensor with Arduino Nano 33 BLE sense, but when I verify it, it shows Error compiling for board Arduino Nano 33 BLE. The code is from the pulse sensor website. The code works ...
Syfian Bukhari's user avatar
0 votes
1 answer
2k views

ESP8266 compilation error: "previous declaration of 'HTTPMethod HTTP_HEAD'"

I have an ESP8266 program that used to work but is now failing to compile with this error: C:\...\Arduino\libraries\WiFiManager/WiFiManager.h:25:24: note: in expansion of macro 'PROGMEM' const ...
garson's user avatar
  • 159
1 vote
1 answer
354 views

Arduino Uno First Program [duplicate]

Please help with this error. Arduino: 1.8.10 (Windows 10), Board: "Arduino Uno" Sketch uses 882 bytes (2%) of program storage space. Maximum is 32256 bytes. Global variables use 9 bytes (0%) of ...
Izak Krige's user avatar
0 votes
1 answer
3k views

Can't use uint16_t in library

I wonder why the following minimal example sketch doesn't compile (unknown type name 'uint16_t'): sketch_does_not_compile.ino: #include "myheader.h" void setup() { char a[]="hello ...
Sim Son's user avatar
  • 1,869
0 votes
2 answers
62 views

Unable to declare variable in a library that doesn't have a class: multiple definition of the variable

I have created a library Lib that doesn't have a class. I want this library to have a variable that can be accessed from outside. The way I would go about this is to just declare them in the header ...
LukasFun's user avatar
  • 295
0 votes
1 answer
5k views

Error: function was not declared in this scope when using a library without classes

I have created a library of functions that doesn't have and mustn't have a class. In order to have functions inside the library that can only be called from the library itself, you just write them ...
LukasFun's user avatar
  • 295