On 05/10/2014 12:34 AM, Jonathan Fox wrote:
> I have an energy detector block and I am trying to gr_message with it:
>
> void energy_detector_sink_f_impl::send_to_message_q(float *buffer,
> int buffersz) {
> gr_message_sprt msg = gr_make_message(0, sizeof(float),
> buffersz, sizeof(float)*buffersz);
> memcpy(msg->msg(), buffer, sizeof(float) * buffersz);
> d_msgq->insert_tail(msg);
> }
>
> and I get this error when I run the "make" command
>
> /home/fox/git_repos/custom_modules/gr-specsense/lib/energy_detector_sink_f_impl.cc:
> In member function ‘void
> gr::specsense::energy_detector_sink_f_impl::send_to_message_q(float*, int)’:
> /home/fox/git_repos/custom_modules/gr-specsense/lib/energy_detector_sink_f_impl.cc:134:
> error: ‘gr_message_sprt’ was not declared in this scope
> /home/fox/git_repos/custom_modules/gr-specsense/lib/energy_detector_sink_f_impl.cc:134:
> error: expected ‘;’ before ‘msg’
> /home/fox/git_repos/custom_modules/gr-specsense/lib/energy_detector_sink_f_impl.cc:135:
> error: ‘msg’ was not declared in this scope
> make[2]: ***
> [lib/CMakeFiles/gnuradio-specsense.dir/energy_detector_sink_f_impl.cc.o]
> Error 1
> make[1]: *** [lib/CMakeFiles/gnuradio-specsense.dir/all] Error 2
>
> What am I doing wrong here? I thought msg is getting declared with
> gr_message_sptr msg =
Maybe a sign to move away from message queues? :D
In any case, you have a typo in the code. Fix it and your errors should
go away.
M
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