http://gnuradio.org/doc/doxygen/page_python_blocks.html
$ git grep self.set_msg_handler **/*.py[19:20:26] gr-blocks/python/blocks/qa_python_message_passing.py M On 07/29/2014 05:02 PM, Daniele Nicolodi wrote: > On 29/07/2014 16:57, Martin Braun wrote: >> Daniele, >> >> there's loads of blocks that use messages, as well as manual pages for >> that. And I would recommend you use them for this case. Create a block >> that talks to the serial port, and give it a message port. > > Hello Martin, > > thank for your answer. Can you please point me to an example of such > blocks from which I can take inspiration? I would like to code it in > python, therefore if a python block that uses the message passing > infrastructure exists, it would be great. Meanwhile I'm going to grep > through the code distribution... > > Thanks! Cheers, > Daniele > >> >> M >> >> On 07/29/2014 02:55 PM, Daniele Nicolodi wrote: >>> Hello, >>> >>> I need to control a RF synthesizer from within a GNURadio flowchart >>> updating some parameters on the base of some measurements obtained from >>> processing data collected by an USRP. >>> >>> The synthesizer is connected through a RS232 serial port, thus is quite >>> slow, but the bandwidth of the control is also very small, < 1Hz. One of >>> the parameters that needs to be controlled is the output power, and it >>> can be adjusted only in discrete steps of 0.01 dB, therefore I need to >>> correctly take care of the discretization. >>> >>> What is the best strategy to do that? Should I simply implement a sink >>> block? Would be better to implement the discretization in a sink block >>> that then sends messages to another block that handles the communication >>> with the synthesizer? >>> >>> As far as my experimentation goes, there are no blocks using messages in >>> the standard GNURadio distribution (version 3.7.2), therefore I don't >>> really have examples of use cases for it. >>> >>> Thanks. Cheers, >>> Daniele >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> [email protected] >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
