how to solve this.. please

Warning: No control key found in input stream. Protocol not recognized. > In MCHP_RS232_analyzBloc In picgui>pushStart_Callback In gui_mainfcn (line 95) In picgui Error using horzcat Dimensions of matrices being concatenated are not consistent.

Error in picgui

Error in gui_mainfcn (line 95) feval(varargin{:});

Error in picgui

Error while evaluating UIControl Callback

[Sergey Kasyanov]

What are your doing before mistake appear?

[MOHAMAD SHAFIK]

im doing the motor position in simulink.. and the gui does not show me the graph and get me the error..

[MOHAMAD SHAFIK]

this the gui that i used for this project. this from the mircochip simulink tool.

[MOHAMAD SHAFIK]

Answer 1

[El Mehdi Merouane]

Hello,

the issue seems to originate from your hardware, the ground pin of your serial communication is disconnected.

Good luck.