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.
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 > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
