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.
134 questions
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esp_now_send takes a non-const uint8 mac address. Why? Does it modify it in some way?
I am using the Arduino IDE to do ESP-NOW communication with an ESP8266.
In espnow.h, on line 53 I find the function prototype:
int esp_now_send(u8 *da, u8 *data, int len);
Why does it take the mac ...
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When using LiquidCrystal_I2C.h library, why am I getting "invalid header file" in TinkerCad?
This is a link to the guy that made the project work, it seems that I'm unable to make it work by myself: the project.
What am I doing wrong?
/* DICTIONARY - CC = ConClusion ; */
/* LEGEND - ...
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"'StructName' does not name a type" when returning struct, but trailing return type works [duplicate]
Note: Please, do actually read the question before voting to close. This only happens in arduino IDE, this is not about a generic "Does not name a type" error. The code is perfectly valid as ...
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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 ...
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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 ...
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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 ...
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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;
...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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