Simulink IO enabled error on Arduino Uno

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Marc Fuller
Marc Fuller 2018-5-27
回答： Lokendra Samba 2020-6-14
I am trying to use the Simulink IO enabled feature in MATLAB 2018a. The platform is an Arduino Uno. Even with the simplest example, for instance trying to read from pin 4 and displaying it I get an error although simulation mode works fine without IO enabled, and when I load the program onto the hardware it also works fine. Here is error that I see when I enable Simulink IO:
MATLAB System block 'blink2/Digital Input/Digital Input' error occurred when invoking 'setupImpl' method of 'codertarget.arduinobase.blocks.DigitalRead'. The error was thrown from '
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+transport\TransportLayerAbstract.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+peripherals\DigitalIO.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\supportpackages\arduinobase\+codertarget\+arduinobase\+blocks\DigitalRead.p' at line 0'.
Caused by:
Transport layer object is corrupted. Try fclose(instrfind) and delete(instrfind) and then create a new hardware object
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Alex Kuzmichev
Alex Kuzmichev 2018-7-6
编辑：Walter Roberson 2018-7-7
I am trying run arduino_communication in normal mode with Simulink and I get same error:
MATLAB System block 'arduino_communication/Digital Output/Digital Output' error occurred when invoking 'setupImpl' method of 'codertarget.arduinobase.blocks.DigitalWrite'. The error was thrown from '
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+transport\TransportLayerAbstract.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+peripherals\DigitalIO.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\supportpackages\arduinobase\+codertarget\+arduinobase\+blocks\DigitalWrite.p' at line 0'.
*Caused by:
Transport layer object is corrupted.* Try fclose(instrfind) and delete(instrfind) and then create a new hardware object
After
fclose(instrfind)
delete(instrfind)
I get
...
*Caused by:
Instrument object OBJ is an invalid object.*
Claudio Eduardo Santiago
Claudio Eduardo Santiago 2019-6-30
Eu tive o mesmo problema. Não consegui comunicação.

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采纳的回答

Marc Fuller
Marc Fuller 2018-6-1
I have found that the problem was using a Sparkfun Redboard, which is an Arduino Uno clone. It uses a different serial port. Once I switched to an Arduino Uno the problem resovled.

更多回答（6 个）

Marc Fuller
Marc Fuller 2018-5-31
Tried that - same result.
Kaninika Pant
Kaninika Pant 2018-6-1
Try clearing the workspace. Try clear all, clear classes. Also try disconnecting the board and reconnecting it once.
Steffen Hartmann
Steffen Hartmann 2018-10-30
Hello, have the same problem here. Was it really the "incompatible" uno-board?
Kadir Tolga Dogukanli
I have the same errors. Did you solve the problem?
MATLAB System block 'sondeneme/I2C Read' error occurred when invoking 'setupImpl' method of 'codertarget.arduinobase.internal.arduinoI2CRead'. The error was thrown from '
'C:\ProgramData\MATLAB\SupportPackages\R2018b\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+transport\TransportLayerAbstract.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018b\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018b\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018b\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+peripherals\I2C.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018b\toolbox\target\supportpackages\arduinobase\+codertarget\+arduinobase\+internal\arduinoI2CRead.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018b\toolbox\target\shared\svd\+matlabshared\+svd\I2CBlock.p' at line 0'.
Caused by:
Transport layer object is corrupted. Clear and recreate the hardware object
Component:Simulink | Category:Block error
Jussi Savola
Jussi Savola 2019-4-9
编辑：Jussi Savola 2019-4-9
Me too.
I'm trying to read data from A4, then do some fancy stuff with FFT and then light up a led in D10.
I'm using Matlab 2018A with Arduino (Elegoo) Mega 2560
Simulation 1 Clear
01:55 AM Elapsed: 28 sec
MATLAB System block 'blinker_a/Analog Input' error occurred when invoking 'setupImpl' method of 'codertarget.arduinobase.internal.arduino_AnalogInput'. The error was thrown from '
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+transport\TransportLayerAbstract.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\IOProtocol.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\ioserver\+matlabshared\+ioclient\+peripherals\AnalogInput.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\supportpackages\arduinobase\+codertarget\+arduinobase\+internal\arduino_AnalogInput.p' at line 0
'C:\ProgramData\MATLAB\SupportPackages\R2018a\toolbox\target\shared\svd\+matlabshared\+svd\AnalogInSingle.p' at line 0'.
Caused by:
Transport layer object is corrupted. Try fclose(instrfind) and delete(instrfind) and then create a new hardware object
Edit: It seems that disabling Simulink I/O made the error go away. Go figure.
Lokendra Samba
Lokendra Samba 2020-6-14
go to this thread, you may find solution!!
https://de.mathworks.com/matlabcentral/answers/351957-do-simulink-deploy-to-hardware-and-external-modes-work-with-arduino-uno-clones
i have same problem, but changing 'BaudRate' help me solve problem. now it works for all mode for me.

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