Cannot connect Arduino Uno to Matlab R2014b

Question

Ed Hallett 2014-11-2

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b

评论： fatima zohra soussi 2020-10-11

---- Preceding statement: I know there's a similar question on here, but it didn't contain a solution for me. ----

I am attempting to connect an Arduino Uno to Matlab R2014b. I have uploaded the adiosrv.pde file from this google code page (because I cannot find a place to download it from the MatLab site):

https://code.google.com/p/arduinolab/source/browse/ArduinoIO/ArduinoIO/adiosrv/adiosrv.pde?r=b25efc9ea77bbfde5af8774ec57432f23b24a0f2

After entering:

supportPackageInstaller

to MatLab and installing everything, (including the ArduinoIO package for Matlab R2014b) and typing:

a = arduino('COM3','uno');

I then got the following message come up:

Updating server code on Arduino Uno (COM3). Please wait.
Cannot program Arduino board Uno (COM3). Please make sure the board is supported and the port and board type are correct.

When I enter:

which -all arduino

to MatLab I get:

C:\MATLAB\SupportPackages\R2014b\arduinoio\toolbox\matlab\hardware\supportpackages\arduinoio\arduino.m  % arduino constructor
C:\Program Files\MATLAB\R2014b\toolbox\matlab\hardware\stubs\arduino.m                                  % Shadowed

All help is appreciated!

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Tejas Somadas 2017-8-12

I was facing the same problem. I uninstalled winavr and the command is working now

Rohit Deshmukh 2018-12-31

Command is still not working after uninstalling winavr

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Answer 1

Ed Hallett 2015-4-2

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_173687

编辑：Ed Hallett 2015-4-2

Hi guys,

I've now moved on to bluetoothing to the arduino, (which works great btw), but I have had some success with USB connections too.

I found that connecting to the arduino works fine if I use the following to set up a serial:

function [s] = SetupSerial(comPort)
comPort='COM3';
s=serial(comPort);
set(s,'DataBits',8);
set(s,'StopBits',1);
set(s,'BaudRate',9600);
set(s,'Parity','none');

Then use fopen(s) to open, fread(s) to read and fprintf(s) to write.

The other issue I found was that it would be super awkward about connecting a second time. This was due to not closing the connections properly. If you run this script it clears everything and have been very useful for me:

clc
%clear all
if ~isempty(instrfind)
    fclose(instrfind);
    delete(instrfind);
end
%close all
clc
disp('Serial Port Closed')

Other things to look out for are probably obvious, but include checking your baudrate is right, COM port is right and you have the necessary support packages installed.

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Md Rasheduzzaman 2015-10-25

Thank you very much! It worked perfectly.

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Answer 2

Selva 2014-12-9

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_161833

facing the exact problem as described by Ed Hallet

using MATLAB 14a and Arduino Uno

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Elliot Nauert 2015-10-24

Hi,

I had been dealing with this same problem and was able to fix it for myself. I'd like to have a solution that works for everyone, and so am trying to track down more specifics of the problem for other people. Can you tell me if you were using 2014a(64 bit) or (32 bit), and what operating system?

Thanks!

fatima hassan 2019-12-28

Cannot program board Uno (COM4). Please make sure the board is supported and the port and board type are correct.

For more information, see Arduino Hardware Troubleshooting.

I have the above problem and i need to solve it please can you help me because i used more ways to solve it but i cannot do it so please help me to solve it .

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Answer 3

Yared 2015-1-3

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I am experiencing the exact same problem. Has someone managed to solve it?

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Elliot Nauert 2015-10-24

Hi,

I had been dealing with this same problem and was able to fix it for myself. I'd like to have a solution that works for everyone, and so am trying to track down more specifics of the problem for other people. Can you tell me what version of Matlab you were using including 32/64 bit, and what operating system?

Thanks!

Sagarika Nangia 2016-4-14

64-bit,windows 10

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Answer 4

Menghan 2015-3-5

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_170194

Can you turn the trace on when creating the arduino object? For example, a = arduino('COM3','uno', 'TraceOn', true); You need to change the port and board to match what's on your system.

After that, can you post the trace dump displayed in MATLAB command window?

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mohamed ashraf 2018-7-12

编辑：Walter Roberson 2018-12-31

When i write a = arduino('COM3','uno', 'TraceOn', true); this is what appeared:

Vendor returned error messages: C:\MATLAB\SupportPackages\R2014a\arduino-1.5.6-r2\hardware\tools\avr\utils\bin\make: Interrupt/Exception caught (code = 0xc00000fd, addr = 0x4217b3)

i dont know what is that mean? its windows 7 64bit, i had a problem first in arduino-1.5.6-r2 then i downloaded it from arduino site.

Walter Roberson 2019-12-28

"In its most basic essence, Error Code 0xc00000fd appears when a program can not be initiated. It can occur when a file or program is corrupted, incompatible with the current version of the operating system, or out of date."

https://errortools.com/windows/fix-windows-10-error-code-0xc00000fd/

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Answer 5

Chanchal Raj 2016-4-29

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Remove your Installed winAVR form your system. Than it will work fine.

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Arnab Mondal 2019-8-18

Thanks, dude. You saved me. It worked for my matlab 2014a, win 7 64 bit.

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Answer 6

Menghan 2014-11-20

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_159651

Do you still have the same issue? If so, can you confirm that the port and board are both correct?

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Answer 7

Eduardo 2014-11-23

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编辑：Eduardo 2014-11-23

I´m having the same problem, the port and the board are correct:

EDU>> a = arduino(); Updating server code on Arduino Uno (COM5). Please wait. Cannot program Arduino board Uno (COM5). Please make sure the board is supported and the port and board type are correct.

Were you able to solve the problem?

Thanks!

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Elliot Nauert 2015-10-24

Hi,

I had been dealing with this same problem and was able to fix it for myself. I'd like to have a solution that works for everyone, and so am trying to track down more specifics of the problem for other people. Can you tell me what version of Matlab you were using including 32/64 bit, and what operating system?

Thanks!

fatima hassan 2019-12-28

I have the same problem and i have windows 7 and matlab 2017

can you help me please

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Answer 8

Justin Kirk 2015-4-1

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I am having the same issues here.

I run Matlab as administrator. Type "install_arduino". I am met with "Undefined function or variable 'install_arduino'." install_arduino.m file is in the support package directory for MatLab 2015a.

I try "arduino". Arduino.m file is in the same folder as the install_arduino.m file. I am met with "Updating server code on board Leonardo (COM14). Please wait."

Then

"Failed to reset board Leonardo (COM14) to upload program. Please check the connection, press the reset button on board, and try again."

I have opened the adioes.pde file in Arduino IDE 1.6.2 and can connect my Leonardo to comport 14. I upload the script this way but when I try to create an arduino object using the line:

a = arduino()

I am met with the error as with attempting to run the arduino.m file through Matlab.

Windows can detect the Leonardo fine and it shows on my devices list.

Anyone figure out why this happens?

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Elliot Nauert 2015-10-24

Hi,

I had been dealing with this same problem and was able to fix it for myself. I'd like to have a solution that works for everyone, and so am trying to track down more specifics of the problem for other people. Can you tell me if you were using 2015a(64 bit) or (32 bit)? Also, what operating system were you using?

Thanks!

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Answer 9

Katharina Unger 2015-4-2

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Hi I am having the same problem with Matlab 2015a and the Arduino Uno.

 a = arduino();
Updating server code on Arduino Uno (COM5). Please wait.
Cannot program Arduino board Uno (COM5). Please make sure the board is supported and the port and board type are correct.

First it works, but since yesterday evening I alway get this message. I tried to programm the arduino with the arduino ide and there is no problem. I actually reinstall the support package, to see if it works then.

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Elliot Nauert 2015-10-24

Hi,

I had been dealing with this same problem and was able to fix it for myself. I'd like to have a solution that works for everyone, and so am trying to track down more specifics of the problem for other people. Can you tell me if you were using 2015a(64 bit) or (32 bit)? Also, what operating system were you using?

Thanks!

mattbrian Capangpangan 2016-1-15

i also meet the same problem. how did you fix the problem? can you please give me some advice on how did you do it. Mine is running on a wndows 7 32 bit OS. I'm using arduino clone uses atmega644p.. its called gizduino board..

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Answer 10

Danish Anwar 2015-12-15

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_203332

I have same problem with matlab 2014a(64-bit) and arduino uno error is:

"Updating server code on Arduino Uno (COM3). Please wait." then

avr-gcc application failed dialog box appear with error code 0xc0000142 when I click ok then in command window appear: "Cannot program Arduino board Uno (COM3). Please make sure the board is supported and the port and board type are correct."

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Answer 11

mattbrian Capangpangan 2016-1-15

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I also have the same problem as stated above. My OS is windows 7 32 bit. I'm using an arduino clone, it uses atmega644p. After I follow the steps and the code the same error appears. I just wonder why if the support package works only on the genuine arduino uno boards..

error message:

>> a = arduino('com4', 'uno') Updating server code on Arduino Uno (COM4). Please wait. Cannot program Arduino board Uno (COM4). Please make sure the board is supported and the port and board type are correct.

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Menghan 2016-3-3

编辑：Menghan 2016-3-3

Hi Mattbrain,

The support package does not work with atmega644p boards now. It works with the genuine and some clones of the Atmega328p based boards and Due and Leonardo/Micro boards. For a complete list of supported boards, you can refer to this page, http://www.mathworks.com/hardware-support/arduino-matlab.html

Hope this helps.

Menghan

(MATLAB hardware team - MathWorks)

Fatima Kishimoto 2019-2-23

Hi Menghan

When I write a=arduino('COM4', 'Uno', 'Trace', true)

It gives the error: "Too many input arguments"

Even though the serial port communication works properly between matlab and arduino every time I write arduino('COM4', 'Uno')

It gives the error: "Too many input arguments"

Please help?

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Answer 12

Han Peng 2016-2-9

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_209221

I also have the same problem as stated above. My computer is win 10 and 64 bits system. anyone can help me?

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Menghan 2016-3-3

编辑：Menghan 2016-3-3

Hi Han Peng,

Have you tried turning on the trace while creating the arduino object? For example, a = arduino('COM4', 'Uno', 'Trace', true) If so and you are still facing the issue, can you post your trace?

Menghan

(MATLAB Hardware team - MathWorks)

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Answer 13

bram verhelst 2016-2-17

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I am having exactly the same problem "Cannot program board Uno (COM3). Please make sure the board is supported and the port and board type are correct."

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Answer 14

bram verhelst 2016-2-18

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Me too, having the exact same problem. windows 10 64bit matlab 2015

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Answer 15

Martin Esteban Rivero Carrillo 2016-2-26

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I'm also having the same problem. It was working just fine before, but today that error showed up.

I'm on Windows 10 64bits Matlab r2015b

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Martin Esteban Rivero Carrillo 2016-3-4

Hi Menghan,

I just solved the problem by doing the following:

I tried to create the arduino object turning on the trace as you said:

a = arduino('COM4', 'Uno', 'Trace', true)

In the resulting trace i detected a strange character in the route of an old Arduino library (Firmata) i installed before and don't use anymore. I deleted the folder of the library, went back to matlab, created an arduino object and now everything is working back to normal.

Thank you for your help

anam fatima 2016-3-8

编辑：Walter Roberson 2016-3-8

Sir,

I'm also having the same problem.

The following error is shown when I connect ARDUINO DUE

   a=arduino
  Updating server code on Arduino Due (COM6). Please wait.
  Cannot program Arduino board Due (COM6). Please make sure the
  board is supported and the port and board type are correct.

Also the error is shown when I type

   a = arduino('COM6', 'Due', 'Trace', true)
  Updating server code on Arduino Due (COM6). Please wait.
  Vendor returned error messages:
  C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/tools/g++_arm_none_eabi/bin/arm-none-eabi-gcc
  -I"C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/system/libsam"
  -I"C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/system/CMSIS/CMSIS/Include"
  -I"C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/system/CMSIS/Device/ATMEL"
  -I"C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/cores/arduino"
  -I"C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/cores/arduino/USB"
  -I"C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/variants/arduino_due_x"
  -c -g -Os -w -ffunction-sections -fdata-sections -nostdlib
  --param max-inline-insns-single=500 -Dprintf=iprintf
  -mcpu=cortex-m3 -DF_CPU=84000000 -DARDUINO=156 -D__SAM3X8E__
  -mthumb -DUSBCON -DARDUINO_ARCH_SAM
  C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/cores/arduino/WInterrupts.c
  -o
  C:/Users/user/AppData/Local/Temp/ArduinoServer/WInterrupts.c.o
  In file included from
  C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/cores/arduino/WInterrupts.h:22,
                   from
  C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/cores/arduino/WInterrupts.c:19:
  C:/MATLAB/SupportPackages/R2014a/arduino-1.5.6-r2/hardware/arduino/sam/cores/arduino/Arduino.h:31:
  Please help me in this issue.
  fatal error: avr/pgmspace.h: No such file or directory
  compilation terminated.
  cs-make: ***
  [C:/Users/user/AppData/Local/Temp/ArduinoServer/WInterrupts.c.o]
  Error 1

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Answer 16

teroristu 2016-4-12

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can anyone help me? i get this message when i type a=arduino() Cannot program board Uno (COM4). Please make sure the board is supported and the port and board type are correct.

did anyone solved this issue?

i have matlab 2016a running on windows 10 x64

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Answer 17

Xue Ni Law 2016-6-3

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编辑：Walter Roberson 2016-6-3

I have this problem too. I am using Matlab R2016a and when I try to connect to the Arduino. I am already installed the hardware support.

When I type a = arduino ('COM5','Unö'), It shows

Cannot program board Uno (COM5). Please make sure the board is supported and the port and board type are correct.

When I try to trace the error message, it displayed like below. May I know what is the problem??? The messages are " Use the libraries Frimata in Folder: C xx....." I am not sure whats wrong about these 5 libraries ! Please help!

>> a = arduino('COM5', 'Uno', 'Trace', true)
Updating server code on board Uno (COM5). Please wait.
Vendor returned error messages:
Verwende die Bibliothek Firmata im Ordner: C:\Users\xn\Documents\Arduino\libraries\Firmata
Verwende die Bibliothek MWArduino im Ordner: C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\MWArduino (legacy)
Verwende die Bibliothek Wire im Ordner: C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\Wire
Verwende die Bibliothek SPI im Ordner: C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\SPI
Verwende die Bibliothek Servo im Ordner: C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\Servo
C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1/hardware/tools/avr/bin/avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections
-fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10601 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\cores\arduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\variants\standard -IC:\Users\xn\Documents\Arduino\libraries\Firmata
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\MWArduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\Wire
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\SPI
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\Servo\src C:\Users\xn\AppData\Local\Temp\ArduinoServer\MW\ArduinoServer.cpp -o
C:\Users\xn\AppData\Local\Temp\ArduinoServer\MW\ArduinoServer.cpp.o
C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1/hardware/tools/avr/bin/avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections
-fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10601 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\cores\arduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\variants\standard -IC:\Users\xn\Documents\Arduino\libraries\Firmata
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\MWArduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\Wire
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\SPI
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\Servo\src -IC:\Users\xn\Documents\Arduino\libraries\Firmata\utility
C:\Users\xn\Documents\Arduino\libraries\Firmata\Firmata.cpp -o C:\Users\xn\AppData\Local\Temp\ArduinoServer\MW\Firmata\Firmata.cpp.o
C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1/hardware/tools/avr/bin/avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections
-fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10601 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\cores\arduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\variants\standard -IC:\Users\xn\Documents\Arduino\libraries\Firmata
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\MWArduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\Wire
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\SPI
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\Servo\src -IC:\Users\xn\Documents\Arduino\libraries\Firmata\utility
C:\Users\xn\Documents\Arduino\libraries\Firmata\utility\EthernetClientStream.cpp -o
C:\Users\xn\AppData\Local\Temp\ArduinoServer\MW\Firmata\utility\EthernetClientStream.cpp.o
C:\MATLAB\SupportPackages\R2016a\arduino-1.6.1/hardware/tools/avr/bin/avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections
-fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10601 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\cores\arduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\variants\standard -IC:\Users\xn\Documents\Arduino\libraries\Firmata
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\MWArduino
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\Wire
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\hardware\arduino\avr\libraries\SPI
-IC:\MATLAB\SupportPackages\R2016a\arduino-1.6.1\libraries\Servo\src -IC:\Users\xn\Documents\Arduino\libraries\Firmata\utility
C:\Users\xn\Documents\Arduino\libraries\Firmata\utility\SerialFirmata.cpp -o
C:\Users\xn\AppData\Local\Temp\ArduinoServer\MW\Firmata\utility\SerialFirmata.cpp.o
In file included from C:\Users\xn\Documents\Arduino\libraries\Firmata\utility\SerialFirmata.cpp:20:0:
C:\Users\xn\Documents\Arduino\libraries\Firmata\utility\SerialFirmata.h:30:28: fatal error: SoftwareSerial.h: No such file or directory
 #include <SoftwareSerial.h>
                            ^
compilation terminated.
Fehler beim Kompilieren.

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ChrisLyu 2016-7-30

This comment is solved the same problem on me. Thanks~ I changed the name to Ardu. ^^

Greg Heiderman 2017-4-17

@Xue Ni Law Thank you so much this was the exact answer to my problem!! I think, like you mentioned, the problem is the Arduino IDE and MATLAB are trying to use the same 'Arduino' folder. And when you open the Arduino IDE it messes everything up in MATLAB hence the reason why you have to delete or rename the (in my case the directory was) C:\\Users\"your username"\Documents\Arduino folder.

Just for reference at the time of this error I was using MATLAB 2016a and running Windows 10 64bit.

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Answer 18

Oguz Türker 2016-7-6

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_227868

If you change the COM port it simply solves the problem. please use this solution.

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Answer 19

Sachin Sharma 2016-7-8

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_228117

Two possible solutions to the problem:

1.Run MATLAB as an admin in windows

2.Remove winavr if installed in the computer(alternatively you may remove the winavr related directory paths from PATH environment variable)

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Answer 20

abrikosas1 2016-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_244245

编辑：Walter Roberson 2016-11-22

Hi guys,

I have problem. I have 2014b Matlab. And I want to connect Matlab (and Simulink) to Arduino Uno. I downloads 3 hardware support packages and install it. After installation opens Matlab Window and try to connect :

   >> a = arduino('COM3','Uno')
a = 
    arduino with properties:
                      Port: 'COM3'
                     Board: 'Uno'
       AvailableAnalogPins: [0, 1, 2, 3, 4, 5]
      AvailableDigitalPins: [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
                 Libraries: {'I2C', 'SPI', 'Servo'}

Then when I try to make actions I get an error message:

>> a = arduino()
readDigitalPin(a,'D13');
Cannot detect Arduino hardware. Make sure original Arduino hardware is properly plugged in. If using unofficial(clone) hardware, specify port and board type. For more
information, see the arduino function reference page.
>> a = arduino;
readVoltage(a, 'A4')
Cannot detect Arduino hardware. Make sure original Arduino hardware is properly plugged in. If using unofficial(clone) hardware, specify port and board type. For more
information, see the arduino function reference page.

If you have tips please help.

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Answer 21

Walter Roberson 2016-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_244248

Do not re-do the

a = arduino()

Continue to use the

a = arduino('COM3','Uno')

that you already created.

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abrikosas1 2016-11-22

Very thanks for your help. Your idea really works (What was mentioned in the request for assistance). I got a Value.

 >>  a = arduino('COM3','Uno')
arduino with properties:
                    Port: 'COM3'
                   Board: 'Uno'
     AvailableAnalogPins: [0, 1, 2, 3, 4, 5]
    AvailableDigitalPins: [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
               Libraries: {'I2C', 'SPI', 'Servo'}

>> readVoltage(a, 4)

ans =

4.9951

But clashes with the problem was intermediate station. My ultimate aim is to scan analogue input to arduino and see analog signal variation on simulink scope then process others simulink blocks. (I want to use arduino analog input blocks). I do this by the example : https://www.youtube.com/watch?v=8Bqsck46kBg&t=103s I make first steps like in example and push run i got :

External mode simulation is not supported for the 'Arduino Uno' hardware. However, you can deploy the model on this hardware. From the model window, click the "Deploy to Hardware" button. Then push Deploy to Hardware then got : Model succesfully deployed to arduino uno (but simulink window is not in online :( ) And in the Diagnostic Viewer got :

### Generated code for 'untitled' is up to date because no structural, parameter or code replacement library changes were found. AVR Memory Usage ---------------- Device: atmega328p

Program: 2758 bytes (8.4% Full) (.text + .data + .bootloader)

Data: 225 bytes (11.0% Full) (.data + .bss + .noinit)

Maybe you have ideas on how to achieve the desired result ?

Walter Roberson 2016-11-22

External mode for Uno was added in R2016b

https://www.mathworks.com/hardware-support/arduino-simulink.html

abrikosas1 2016-11-22

Thank you very much

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Answer 22

Carmelo Gonzales 2016-12-2

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https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_245768

Hello All,

I was having the problem where MatLab was telling me

Cannot program Arduino board Uno.

I solved this problem by turning the trace on

a = arduino('COM5', 'Uno', 'Trace', true)

From here, I got the trace, ending with

#include <SoftwareSerial.h>

I then went to the MatLab Support Packages on my computer and searched for SoftwareSerial.h Once found, I copied the file and pasted it into the location that it was supposed to be. This was found from the line directly above the trace line posted above.

I hope this helps!

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Answer 23

Julia Herin 2017-1-31

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_252794

After a while of trying variations of

a = arduino('com3', 'uno');

and

a = arduino();

I finally just tried doing

arduino

at which point it said

Updating server code on board Uno (COM10). Please wait.

and it successfully connected to the board.

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Answer 24

med duino 2017-5-12

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_266857

Does Matlab run with Arduino Yun ???

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Walter Roberson 2017-5-12

Not really, but see https://forum.arduino.cc/index.php?topic=236947.0

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Answer 25

Jhonatan Sandoval Quezada 2018-3-2

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_308021

Hello everyone, I have the problem that my matlab does not program the Arduino Uno, try these commands and I get the same error:

/
>> arduino
Updating server code on board Uno (COM3). Please wait (might take a few minutes).
Cannot program board Uno (COM3). Please make sure the board is supported and the port and board type are
correct. For more information, see Arduino Hardware Troubleshooting.
/
>> arduino ('COM3','Uno')
Updating server code on board Uno (COM3). Please wait (might take a few minutes).
Cannot program board Uno (COM3). Please make sure the board is supported and the port and board type are
correct. For more information, see Arduino Hardware Troubleshooting.
/
>> a = arduino('COM3', 'Uno', 'Trace', true)
Updating server code on board Uno (COM3). Please wait (might take a few minutes).
error: Debe especificar exßctamente un archivo de sketch
/
>> a = arduino('COM3', 'Uno', 'TraceOn', true)
Updating server code on board Uno (COM3). Please wait (might take a few minutes).
error: Debe especificar exßctamente un archivo de sketch
/

I change the name of the "Arduino" folder as they suggested and the problem was not solved, I use the MATLAB r2017b - Win 10 Home 64 bits.

Please HELP ME......

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Liew Yean Choon 2018-6-19

Did anyone found the solution?

Jhonatan Sandoval Quezada 2018-7-13

no, I use a friend's computer to do, I can not solve my problem

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Answer 26

mohamed ashraf 2018-7-12

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_328629

编辑：Walter Roberson 2018-7-12

When i write

a = arduino('COM3','uno', 'TraceOn', true);

this is what appeared:

Vendor returned error messages: C:\MATLAB\SupportPackages\R2014a\arduino-1.5.6-r2\hardware\tools\avr\utils\bin\make: Interrupt/Exception caught (code = 0xc00000fd, addr = 0x4217b3)

i dont know what is that mean? its windows 7 64bit, i had a problem first in arduino-1.5.6-r2 then i downloaded it from arduino site.

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Walter Roberson 2018-7-13

That code 0xc00000fd apparently means "stack overflow". However, I have no information about why that might be happening for you.

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Answer 27

mohamed ashraf 2018-7-13

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_328658

NON of these solns actually helped me .. any ideas !!!

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Answer 28

ahmed soliman 2020-9-26

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b#answer_500800

I am also facing the same problem my board is arduino uno my OS is ubuntu 20.0.4 maltab2018b anybody found a solution please ?

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fatima zohra soussi 2020-10-11

please i have the same problem anybody found a solution ?

>> a = arduino('COM4', 'Uno', 'TraceOn', true)

Updating server code on board Uno (COM4). This may take a few minutes.

Set log4j store directory C:\ProgramData\MATLAB\SupportPackages\R2020a_1\3P.instrset\arduinoide.instrset\portable

Chargement de la configuration

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.libraries.ui.DropdownLibraryOfTypeItem$1 matches criteria annotated

with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.libraries.ui.DropdownLibraryOfTypeItem matches criteria annotated

with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.libraries.ui.LibrariesIndexTableModel matches criteria annotated

with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.libraries.ui.LibraryManagerUI$1 matches criteria annotated with

@Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.libraries.ui.LibraryManagerUI$2 matches criteria annotated with

@Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.libraries.ui.LibraryManagerUI matches criteria annotated with

@Plugin

DEBUG StatusLogger Checking to see if class

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.packages.ui.DropdownCoreOfCategoryItem matches criteria annotated

with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.packages.ui.DropdownUpdatableCoresItem matches criteria annotated

with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.ui.DropdownItem matches criteria annotated with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.ui.FilterJTextField$1 matches criteria annotated with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.contributions.ui.FilterJTextField$2 matches criteria annotated with @Plugin

DEBUG StatusLogger Checking to see if class

DEBUG StatusLogger Checking to see if class cc.arduino.view.preferences.Preferences$1 matches criteria annotated with .view.preferences.Preferences$6 matches criteria annotated with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.view.preferences.Preferences$7 matches criteria annotated with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.view.preferences.Preferences$8 matches criteria annotated with @Plugin

DEBUG StatusLogger Checking to see if class cc.arduino.view.preferences.Preferences$9 matches criteria annotated with @Plugin

DEBUG StatusLogger Checking to see if class

-prefs=build.path=C:\Users\pc\AppData\Local\Temp\ArduinoServerUno\MW -prefs=build.warn_data_percentage=75

-prefs=runtime.tools.arduinoOTA.path=C:\ProgramData\MATLAB\SupportPackages\R2020a_1\3P.instrset\arduinoide.instrset\hardware\tools\avr

-prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\ProgramData\MATLAB\SupportPackages\R2020a_1\3P.instrset\arduinoide.instrset\hardware\tools\avr

-prefs=runtime.tools.avr-gcc.path=C:\ProgramData\MATLAB\SupportPackages\R2020a_1\3P.instrset\arduinoide.instrset\hardware\tools\avr

-prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-

Compiling core...

avrdude: Version 6.3-20190619

System wide configuration file is

"C:\ProgramData\MATLAB\SupportPackages\R2020a_1\3P.instrset\arduinoide.instrset\hardware\tools\avr/etc/avrdude.conf"

Using Port : COM4

Using Programmer : arduino

Overriding Baud Rate : 115200