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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14
votes
1answer
2k views

Why can't my IF statement see a global?

I'm rather new to Arduino programming. I have a problem compiling the following bit of code: const int relay1 = 10; //Power Relay 1 const int relay2 = 11; //Power Relay 2 const int relay3 = 12; //...
5
votes
2answers
68k views

"stray '/302' in program error" when compiling

For some weird reason, the following code doesn't compile. I get a "stray '\302' in program" error around volatile unsigned int encoderPos = 0;, and I have no idea what the issue is. I've been trying ...
3
votes
1answer
429 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 ...
3
votes
1answer
3k views

Selected board depends on 'arduino' core (not installed)

When I load the Arduino IDE with Board: Pololu A-Star 32U4 selected, I see: The current selected board needs the core 'arduino:arduino' that is not installed. I installed the board manually via ...
3
votes
1answer
288 views

Arduino library not working, can't find header

I have fair experience with C/C++ so I decided to have a go at writing my first simple Arduino library. I wrote the code which seems to be fine to me except that it keeps complaining about the header ...
2
votes
1answer
758 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 ...
2
votes
1answer
5k views

Compilation Error in nodeMCU along with oneWire temperature sensor ds18b20, and 2x16 LCD display (not I2C)

I am using nodeMCU along with oneWire temperature sensor ds18b20, and 2x16 LCD display (not I2C). I am using Arduino IDE to program nodeMCU. I am getting a compilation error: C:\Program Files (x86)\...
2
votes
1answer
212 views

Two libraries collide. Ambiguous functions/variables?

I get several errors once I try to include these two libraries: error: expected unqualified-id before '{' token #define DEBUG_PRINTLN(...) {} #include <DHT.h> #include <DGS.h> ...
2
votes
1answer
136 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 ...
2
votes
1answer
63 views

Remove Function at Preprocessor Time

I have a single function for debugging messages, used through all the project. When KEYDEBUG is defined as 1 or 0, the function is enabled or disabled as required. #define KEYDEBUG 0 void debugging(...
2
votes
1answer
3k views

Error "avr-g++: error: CreateProcess: No such file or directory" When Compiling Script

Whenever I try to compile a script, the Arduino IDE throws the error avr-g++: error: CreateProcess: No such file or directory. I've already tried reinstalling the IDE, changing the board version in ...
2
votes
1answer
158 views

Arduino IDE compiles, UECIDE not

I'm rewriting a personal project and it doesn't compile under UECIDE 0.9.1, but it does with Arduino IDE 1.8.5. Target is NodeMCU 0.9 with default options. Arduino IDE 1.8.5 Archiving built core (...
2
votes
2answers
5k views

Compilation Error: "cannot declare 'client' to be of abstract type 'Client'"

I know, it isn't my original code, but I'm using this for a larger project that I am currently working on. I keep getting this error message: "cannot declare 'client' to be of abstract type 'Client'". ...
2
votes
2answers
339 views

Purposely create compile error to fail the upload [closed]

I would like to create a compile error so sketch does not upload in certain cases. I have written a library with a function that adds pins being used to an array. If the same pin is used twice I ...
2
votes
0answers
298 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 ...
2
votes
0answers
658 views

error compiling for board node MCU 1.0

Arduino: 1.8.9 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Serial, 115200, 4M (3M SPIFFS)" In file included from C:\Users\Priyaranjan Tiwari\Documents\Arduino\007mcu_php\007mcu_php....
1
vote
1answer
940 views

Ubuntu class string has no member remove

I am running some code that works fine on my windows system using the .remove method. On Ubuntu 16.04 I get the following errror: error: ‘class String’ has no member named ‘remove’ To see if it ...
1
vote
3answers
5k views

error: expected primary-expression before '(' token

I have a decent level of programming skill, or at least I thought so. I've been getting an error when compiling this Ardulno sketch. I don't really know what this error means or how to fix it. What's ...
1
vote
2answers
547 views

Suddenly I can't compile any sketch. Not even a blink sketch that I compiled earlier

I use visual Micro for Visual Studio. Out of nowhere, I can't compile for any board. I tried a blink sketch for the nano, and I get intelisense red underlines for simple things like pinMode, ...
1
vote
3answers
138 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 ...
1
vote
1answer
167 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: ...
1
vote
1answer
142 views

How to deal with this array correctly?

I am using a led strip WS2812b, an ESP8266 (NodeMCU 1.0) and a gesture sensor APDS9960. I want that when I move my hand from left to right and from right to left I change the colors of the strip of ...
1
vote
1answer
25k views

Cannot convert 'String' to 'uint8_t {aka unsigned char}' in initialization

Hey all I am trying to convert a string into a uint8_t with the following code: String data = "#255101987"; String tmp1 = data.substring(1, 3); uint8_t first = (String)tmp1; I am getting the error ...
1
vote
1answer
835 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 = &...
1
vote
1answer
2k views

Multiple definition error when linking firmware.elf

I just can't wrap my head around on how to properly work with multiple files. My code has been getting quite big so I decided to split all the classes into one file each. So I'm left with 6 files: ...
1
vote
2answers
384 views

Include in different file make different compiling error

I'm have problem compiling a code. ardutest.ino: #include "mylib.h" #include <SD.h> void setup() { } void loop() { fn(); } mylib.h: #ifndef mylib_h #define mylib_h #include "Arduino.h" ...
1
vote
1answer
24 views

Where are APP_TIMER_SCHED_EVENT_DATA_SIZE, DR_0 or TX_POWER_0 defined? [closed]

There are few variables/defines, like: APP_TIMER_SCHED_EVENT_DATA_SIZE, DR_0, TX_POWER_0 etc. that are used in some places in code I see, e.g. Here. I cannot find a place where they are defined. #...
1
vote
1answer
36 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 ...
1
vote
1answer
73 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 ...
1
vote
1answer
60 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 ...
1
vote
1answer
989 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 ...
1
vote
1answer
41 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 ...
1
vote
1answer
6k views

Error: invalid application of 'sizeof' to incomplete type 'int []' when trying to compute the size of an array in a library

I have created a library that contains an array. This is the .h file: class Lib { public: static int arr[]; }; And this is the .cpp file: #include "Lib.h" int Lib::arr[] = {0, 1, 2, 3}; ...
1
vote
1answer
1k views

Library compilation error

Need help for this Tutorial. I tried to compile the code, but I'm getting compiling error. I tried to ask on that forum too but got no answer, the error is: In file included from C:\Program Files (...
1
vote
1answer
626 views

Using SoftwareSerial.h in .cpp file

I am trying to modularize the different components in my arduino build by using objects, but am having trouble with the one controlling a wireless transceiver, which uses SoftwareSerial.h I believe I ...
1
vote
1answer
1k views

Error: "undefined reference to ..." when calling non-void class' functions from within class

I haven't used an Arduino for anything as complicated as this project before (single sketch projects so far), and am struggling getting my code to compile now that I'm creating my own libraries for ...
1
vote
1answer
205 views

Problem with simple coding for PLDuino: trying to turn relay on and off

I am writing the following, simple code to try to turn a relay in the PLDuino on and off, and it is giving me warnings and not compiling/uploading. Any help would be greatly appreciated. Here is my ...
1
vote
2answers
9k views

SIM900A A6 module Arduino +CME error 58

I've recently bought a SIM900A A6 GSM module. Whenever I send a command it gives an error: +CME error 58. Does anybody know what this means and how to solve it?
1
vote
1answer
40 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 ...
1
vote
0answers
52 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 ...
1
vote
0answers
33 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 ...
1
vote
1answer
113 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 '...
1
vote
0answers
70 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 "...
1
vote
0answers
57 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 ...
1
vote
1answer
126 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 # ...
1
vote
1answer
194 views

Compilation Error - Yellow LED blinking as I have installed & connected Arduino UNO board to Windows XP PC

This is the first time when I have installed Arduino IDE (arduino-1.8.10-windows.exe) in my Win. XP SP-3 OS and it seems that the Arduino IDE software installation is successful without any hitch. ...
1
vote
0answers
1k views

FatalError('Invalid head of packet (0x%s)' % hexify(b)) while uploading on ESP8266

I have this error while uploading my code to ESP8266 despite the fact that the code runs without errors. I have the git version of installation for the board. ERROR: File"C:/../../AppData/Local/...
1
vote
0answers
35 views

Code compilation errors for 101 - no errors with Uno

I asked this question before a few days ago about undefined references errors to custom library functions. By accident I found that the code compiled fine when the board target was set to an Uno, not ...
1
vote
0answers
310 views

Blink example compilation error

I just installed the Arduino IDE on Mac and connected the programming port to my Arduino Due. I selected the corresponding board from Tools (though not sure which ATMEL programmer I should choose) I ...
1
vote
0answers
255 views

Arduino Zero AnalogReadFast Compiling Error

#include <Streaming.h> #include <StopWatch.h> #include <Albert.h> #include "avdweb_AnalogReadFast.h" const byte adcPin = A1; void setup(void) { Serial.begin(9600); while(!...