I think the best place for this question is answers.ros.org

~mc

2011/8/23 Atsushi Tsuda <tsuda@jsk.t.u-tokyo.ac.jp>

> Hi
>
> Can we use array in rosserial?
> I'm trying following code, but it doesn't work.
> The topic has no data.
>
> We are using rosserial of revision 133:db62c6309a50 tip.
> Does anyone have suggestion?
>
>
> #include <ros.h>
> #include <std_msgs/Int16.h>
> #include <std_msgs/Int16MultiArray.h>
>
> #include <WProgram.h>
> #include <Servo.h>
>
> ros::NodeHandle nh;
>
> std_msgs::Int16MultiArray thermo;
> ros::Publisher thermo_pub("thermo", &thermo);
>
> unsigned char dim0_label[] = "thermo";
> void setup()
> {
>  nh.initNode();
>  thermo.layout.dim = (std_msgs::MultiArrayDimension
> *)malloc(sizeof(std_msgs::MultiArrayDimension) * 2);
>  thermo.layout.dim[0].label = dim0_label;
>  thermo.layout.dim[0].size = 8;
>  thermo.layout.dim[0].stride = 1*8;
>  thermo.data = (int *)malloc(sizeof(int)*8);
>  nh.advertise(thermo_pub);
> }
>
> void loop()
> {
>  thermo.data[0] = analogRead(0);
>  thermo.data[1] = analogRead(1);
>  thermo.data[2] = analogRead(2);
>  thermo.data[3] = analogRead(3);
>  thermo.data[4] = analogRead(4);
>  thermo.data[5] = analogRead(5);
>  thermo.data[6] = analogRead(6);
>  thermo.data[7] = analogRead(7);
>
>  thermo_pub.publish( &thermo );
>
>  nh.spinOnce();
>
>  delay(500);
> }
>
> tsuda@tsuda-laptop:~$ rostopic echo /thermo
> layout:
>  dim: []
>  data_offset: 0
> data: []
> ---
>
>
>
>
> 2011/8/6 Michael Ferguson <mfergs7@gmail.com>:
> > We do not currently have an equivalent. However, development of one has
> been
> > added to the todo list from the review.
> >
> > -Fergs
> >
> > On Thu, Aug 4, 2011 at 8:28 PM, Atsushi Tsuda <tsuda@jsk.t.u-tokyo.ac.jp
> >
> > wrote:
> >>
> >> Hi all.
> >>
> >> I want to use ROS_INFO on rosserial.
> >> Does anyone support this?
> >>
> >> Cheers,
> >> A.Tsuda
> >>
> >> 2011/8/5 Adam Stambler <adasta@gmail.com>:
> >> > Hi Mike,
> >> >
> >> > Its not too late.  Thats a good suggestion.  It has been ticketed and
> I
> >> > will
> >> > add it sometime early next week.
> >> >
> >> > Cheers,
> >> > Adam
> >> >
> >> > On Thu, Aug 4, 2011 at 1:40 PM, Mike Purvis
> >> > <mpurvis@clearpathrobotics.com>
> >> > wrote:
> >> >>
> >> >> Ah, I missed the deadline for this.
> >> >> What are the plans for supporting parameters? If I have control loop
> >> >> constants or whatever else, it would be great to be able to send them
> >> >> down
> >> >> from a launch file rather than having to reprogram the micro every
> >> >> time.
> >> >> Thanks,
> >> >> Mike
> >> >>
> >> >> On 1 August 2011 17:28, Michael Ferguson <mfergs7@gmail.com> wrote:
> >> >>>
> >> >>> Greetings,
> >> >>>
> >> >>> An API review page has been posted for rosserial:
> >> >>>
> >> >>>
> http://www.ros.org/wiki/rosserial/Reviews/2011-08-04%20API%20Review_API_Review
> >> >>>
> >> >>> If you have feedback on the API, please post comments by this
> >> >>> Thursday.
> >> >>> You may also want to "subscribe" to the wiki page to receive email
> >> >>> updates.
> >> >>>
> >> >>> -Mike Ferguson
> >> >>>
> >> >>> _______________________________________________
> >> >>> ros-users mailing list
> >> >>> ros-users@code.ros.org
> >> >>> https://code.ros.org/mailman/listinfo/ros-users
> >> >>>
> >> >>
> >> >>
> >> >> _______________________________________________
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> >> >> ros-users@code.ros.org
> >> >> https://code.ros.org/mailman/listinfo/ros-users
> >> >>
> >> >
> >> >
> >> > _______________________________________________
> >> > ros-users mailing list
> >> > ros-users@code.ros.org
> >> > https://code.ros.org/mailman/listinfo/ros-users
> >> >
> >> >
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> >
> >
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> > https://code.ros.org/mailman/listinfo/ros-users
> >
> >
>
>
>
> --
> 津田 敦史
> 東京大学工学部機械情報工学科
> 稲葉・岡田研究室（情報システム工学研究室）
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