Re: lms200 segfault on GetRange() - player 2.1.1

> You appear to have removed the call to read() on the client object from
> the original example.
>
> // this blocks until new data comes; 10Hz by default
> robot.Read();
>
> It looks like you replaced it with a LaserProxy object.
>
> Without this call, no data will be received and so trying to access the
> 2nd member of the ranges array using GetRange() will access an allocated
> block of memory.
>
> Geoff

>
> Thayne (Mech Stu) wrote:
>>
>> PlayerClient robot(gHostname, gPort);
>> Position2dProxy pp(&robot, gIndex);
>> LaserProxy lp(&robot, gIndex);
>>
>> LaserProxy Read();
>>
>> std::cout << robot << std::endl;
>>
>> pp.SetMotorEnable (true);
>>
>> for(;;)
>> {
>> double newspeed = 0;
>> double newturnrate = 0;
>> std::cout<< "points in scan: " << lp.GetCount() <<std::endl;
>> std::cout<< "Max Range(m): " << lp.GetMaxRange() <<std::endl;
>> std::cout<< "Resolution(D): " << rtod(lp.GetScanRes()) <<std::endl;
>> std::cout<< "Range(mm): " << lp.GetCount() <<std::endl<<std::endl;
>>
>> std::cout<< lp.GetRange(1) <<std::endl;
>>
>>
>>
>> This is my modified program from the one inside the libplayer++
>> "laserobstacleavoidance"
>> when i run the program it gave me "segmentation fault" for the GetRange.
>> Can anyone help me?
>>
>> Cheers in advance..
>
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