Re: Can't publish laser data

Are you meaning to look at "Lintensity1[i]" for i=3, 4 and 5, rather than
"Lintensity1[i-data.ranges_count/2]" instead (to get 0 1 and 2 indices)?

~Chris

On 7 June 2010 04:29, aneves <[email protected]> wrote:

>
> Hi everyone!
>
> I'm trying to create a plugin driver for Player to do GridSLAM. I haven't
> got experience in writing drivers so i followed some tutorials.
>
> I started by trying to create a simple exempledriver which requires to
> lasers and provides a 3rd laser with the ranges of the first one in the
> left
> side and the ranges of the second on the right side (just a "hello world"
> kind of thing)
>
> I think my code is right but i can't seem to publish the data to use in a
> client program.
>
> This is the part of the code where i think is the problem:
>
> ===============================================================
> for (unsigned int i=0; i < data.ranges_count/2; i++)
> {
>
>        data.intensity[i] = this->Lintensity0[i];
>        data.ranges[i] = this->Lranges0[i];
>        //debug prints
>        printf(" r[%d]=%1.2f ",i,data.ranges[i]);
> }
> printf("\n");
> for (unsigned int i=data.ranges_count/2; i<data.ranges_count; i++)
> {
>        data.intensity[i] = this->Lintensity1[i];
>        data.ranges[i] = Lranges1[i];
>        //debug prints
>        printf(" r[%d]=%4.2f ",i,data.ranges[i]);
>    }
>
>
> // Increment outgoing scan ID
> data.id = this->scan_id++;
>
> // Make data available to other devices
>  this->Publish(this->laser2ID, NULL, PLAYER_MSGTYPE_DATA,
> PLAYER_LASER_DATA_SCAN, (void*)&data, 0, &time);
> ==================================================================
>
> My client program just calls the laser and prints its number of ranges and
> range-values.
>
> But this is the output i'm getting:
> ==============================================
> calling connect
> done
> GetCount=5
> laser[0]7.58714e+31
> laser[1]6.86636e-44
> laser[2]0
> laser[3]0
> laser[4]0
>
> GetCount=5
> laser[0]7.58714e+31
> laser[1]6.86636e-44
> laser[2]0
> laser[3]0
> laser[4]0
>
> GetCount=5
> laser[0]7.58714e+31
> laser[1]6.86636e-44
> laser[2]0
> laser[3]0
> laser[4]0
>
> GetCount=5
> laser[0]7.58714e+31
> laser[1]6.86636e-44
> laser[2]0
> laser[3]0
> laser[4]0
>
> GetCount=0
> GetCount=0
> GetCount=0
> GetCount=0
> ...
> =====================================
>
> Anyone can tell me what I'm doing wrong??
>
> Thanks in advance,
>
> André Neves
> DEEC - FCTUC
> Coimbra, Portugal
>
> --
> View this message in context:
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> Sent from the playerstage-developers mailing list archive at Nabble.com.
>
>
>
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