Yoctopuce Yocto-RangeFinder, Руководство пользователя, Страница: 65 / 497

using namespace std;
static void usage (void)
{
cout << "usage: demo <serial_number> " << endl ;
cout << " demo <logical_name>" << endl ;
cout << " demo any (use any discovered device)" << endl ;
u64 now = yGetTickCount () ;
while ( yGetTickCount () - now < 3000 ) {
// wait 3 sec to show the message
}
exit ( 1 ) ;
}
int main ( int argc, const char * argv [])
{
string errmsg;
string target;
YRangeFinder *rf;
YLightSensor *ir;
YTemperature *tmp;
if ( argc < 2 ) {
usage () ;
}
target = ( string ) argv [ 1 ] ;
// Setup the API to use local USB devices
if ( yRegisterHub ( "usb" , errmsg ) != YAPI_SUCCESS ) {
cerr << "RegisterHub error: " << errmsg << endl ;
return 1 ;
}
if ( target == "any" ) {
rf = yFirstRangeFinder () ;
if ( rf == NULL ) {
cout << "No module connected (check USB cable)" << endl ;
return 1 ;
}
target = rf-> get_module () -> get_serialNumber () ;
} else {
rf = yFindRangeFinder ( ".rangeFinder1" ) ;
}
ir = yFindLightSensor ( ".lightSensor1" ) ;
tmp = yFindTemperature ( ".temperature1" ) ;
while( 1 ) {
if ( !rf-> isOnline ()) {
cout << "Module not connected (check identification and USB cable)" ;
break ;
}
cout << "Distance : " << rf-> get_currentValue () << endl ;
cout << "Ambient IR : " << ir-> get_currentValue () << endl ;
cout << "Temperature : " << tmp-> get_currentValue () << endl ;
cout << " (press Ctrl-C to exit)" << endl ;
ySleep ( 1000 , errmsg ) ;
} ;
yFreeAPI () ;
return 0 ;
}
10.2. Control of the module part
Each module can be controlled in a similar manner, you can find below a simple sample program
displaying the main parameters of the module and enabling you to activate the localization beacon.
#include <iostream>
#include <stdlib.h>
#include "yocto_api.h"
10. Using Yocto-RangeFinder with C++
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