Discussion :

[Samna]

Bonjour,

En simulant un code écrit pour créer un réseau de capteur sans fils, je reçois le message suivant:




Je me suis dirigé vers le code source de la fonction "ttAnalogOut" d'où l'erreur est générée:

Code :

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/*
 * Copyright (c) 2009 Lund University
 *
 * Written by Anton Cervin, Dan Henriksson and Martin Ohlin,
 * Department of Automatic Control LTH, Lund University, Sweden.
 *   
 * This file is part of Truetime 2.0 beta.
 *
 * Truetime 2.0 beta is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * Truetime 2.0 beta is distributed in the hope that it will be useful, but
 * without any warranty; without even the implied warranty of
 * merchantability or fitness for a particular purpose. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Truetime 2.0 beta. If not, see <http://www.gnu.org/licenses/>
 */
 
#define KERNEL_MATLAB
#include "../ttkernel.h" 
 
 
 
#include "../analogout.cpp"
#include "getrtsys.cpp"
 
void mexFunction( int nlhs, mxArray *plhs[],
                  int nrhs, const mxArray *prhs[] )
{
  rtsys = getrtsys(); // Get pointer to rtsys 
 
  if (rtsys==NULL) {
    return;
  }
 
  // Check number and type of arguments.
  if(nrhs != 2) {
    TT_MEX_ERROR("Error using ==> ttAnalogOut\nWrong number of input arguments.");
    return;
  }
 
  if (!mxIsDoubleScalar(prhs[0])) {
    TT_MEX_ERROR("Error using ==> ttAnalogOut\nIllegal output channel.");
    return;
  }
 
  if (!mxIsDoubleScalar(prhs[1])) {
    TT_MEX_ERROR("Error using ==> ttAnalogOut\nIllegal output value.");
    return;
  }
 
  int outpChan = (int) *mxGetPr(prhs[0]);
  double value = *mxGetPr(prhs[1]);
 
  ttAnalogOut(outpChan, value);
}

Pourriez vous m'expliquer ce que ces lignes veulent dire et comment pourrai je corriger l'erreur?