js_demo.cxx

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#include <config.h>
 
#include <chrono>
#include <thread>
 
#include "FlightGear_js.h"
 
 
#define Z 8
 
int main ( int, char ** )
{
  jsJoystick *js[Z] ;
  float      *ax[Z] ;
  int i, j, t, useful[Z];
 
  jsInit();
 
  for ( i = 0; i < Z; i++ )
      js[i] = new jsJoystick ( i ) ;
 
  printf ( "Joystick test program.\n" ) ;
  printf ( "~~~~~~~~~~~~~~~~~~~~~~\n" ) ;
 
  t = 0;
  for ( i = 0; i < Z; i++ )
  { useful[i] = ! ( js[i]->notWorking () );
    if ( useful[i] ) {
         t++;
         printf ( "Joystick %i: \"%s\"\n", i, js[i]->getName() ) ;
    } else printf ( "Joystick %i not detected\n", i ) ;
  }
  if ( t == 0 ) exit ( 1 ) ;
 
  for ( i = 0; i < Z; i++ )
    if ( useful[i] )
       ax[i] = new float [ js[i]->getNumAxes () ] ;
 
  for ( i = 0 ; i < Z ; i++ )
    if ( useful[i] )
       printf ( "+--------------------JS.%d----------------------", i ) ;
 
  printf ( "+\n" ) ;
 
  for ( i = 0 ; i < Z ; i++ )
   if ( useful[i] )
   {
    if ( js[i]->notWorking () )
      printf ( "|           ~~~ Not Detected ~~~             " ) ;
    else
    {
      printf ( "| Btns " ) ;
 
      for ( j = 0 ; j < js[i]->getNumAxes () ; j++ )
        printf ( "Ax:%1d ", j ) ;
 
      for ( ; j < 8 ; j++ )
        printf ( "     " ) ;
    }
   }
 
  printf ( "|\n" ) ;
 
  for ( i = 0 ; i < Z ; i++ )
    if ( useful[i] )
      printf ( "+----------------------------------------------" ) ;
 
  printf ( "+\n" ) ;
 
  while (1)
  {
    for ( i = 0 ; i < Z ; i++ )
    if ( useful[i] )
     {
      if ( js[i]->notWorking () )
        printf ( "|  .   .   .   .   .   .   .   .   .   .   . " ) ;
      else
      {
        int b ;
 
        js[i]->read ( &b, ax[i] ) ;
 
        printf ( "| %04x ", b ) ;
 
        for ( j = 0 ; j < js[i]->getNumAxes () ; j++ )
          printf ( "%+.1f ", ax[i][j] ) ;
 
        for ( ; j < 8 ; j++ )
          printf ( "  .  " ) ;
      }
     }
 
    printf ( "|\r" ) ;
    fflush ( stdout ) ;
 
    /* give other processes a chance */
    {
      using namespace std::chrono_literals;
      std::this_thread::sleep_for(std::chrono::milliseconds(1ms));
    }
  }
 
  return 0;
}