You can uninstall in the build directory: sudo make uninstall
On Wed, Feb 10, 2016 at 8:33 PM, Zhihong Luo <zh...@umich.edu> wrote: > Hi James, > > Actually, the commit was only a month ago, I checked my source code and it > is different from the revised version. So just to make sure, what I need to > do is to change the source files (usrp_source_impl.cc, usrp_source.h etc), > then > > mkdir build (under gnuradio/) > cd build > cmake .. > make > make test > sudo make install > > Then the lib files will be overwritten? Or do I need to delete something > before doing so? > > Thanks, > Zhihong > > On Wed, Feb 10, 2016 at 7:43 PM, James Humphries < > james.humphr...@ettus.com> wrote: > >> Hi Zhihong, >> >> 4ae7a6015ba719a4720f61cc6f3857de2ebda89f is the commit hash that refers >> to a specific commit on the GNU Radio repository. >> >> If you built GNU Radio recently (I believe this commit was last August), >> then you should be OK. >> >> -Trip >> >> On Wed, Feb 10, 2016 at 6:42 PM, Zhihong Luo <zh...@umich.edu> wrote: >> >>> Hi Martin, >>> >>> What I want to do is to use the stream command to receive data, put it >>> into the file, rest for like 2s, then start receiving again. I think I can >>> do this by using multiple NUM SAMPLE AND DONE commands? >>> >>> I don"t really understand the stop() here, I am using it because the >>> manual seems to say so? Previously, I simply called the issue-stream-cmd >>> function before the flow graph start, but the file grew large very rapidly, >>> so I was thinking maybe the stop() is the right way to do it. Now I have no >>> idea how to call it. >>> >>> Sorry, but what is 4ae7a6015ba719a4720f61cc6f3857de2ebda89f ? >>> >>> Thanks a lot, >>> Zhihong >>> 2016年2月10日星期三，Martin Braun <martin.br...@ettus.com> 写道： >>> >>>> Which version are you running? 4ae7a6015ba719a4720f61cc6f3857de2ebda89f >>>> should fix this issue. >>>> >>>> Also, is this really what you want to happen? If you just call >>>> issue_stream_cmd() with a STOP command, it will stop, but all the data >>>> will still flow through the graph, instead of getting flushed. >>>> Especially as you are stopping and starting the flow graph. >>>> >>>> My guess is you don't really need stop() here. >>>> >>>> Cheers, >>>> M >>>> >>>> >>>> On 02/10/2016 03:07 PM, Zhihong Luo wrote: >>>> > Hi All, >>>> > >>>> > In the manual, it says to use issue_stream_cmd: >>>> > >>>> > After starting the flow graph, the user should call stop() >>>> > < >>>> https://gnuradio.org/doc/doxygen/classgr_1_1block.html#a0863bc16f7c84adf4cddf5d53124450e >>>> >on >>>> > this block, then issue any desired arbitrary stream_cmd_t structs to >>>> the >>>> > device >>>> > >>>> > Therefore, I tried to stop() then issue the stream command, but it ran >>>> > into segmentation fault. My code is: >>>> > >>>> > uhd::stream_cmd_t >>>> > stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE); >>>> > size_t num_requested_samples= 10000; >>>> > stream_cmd.num_samps = size_t(num_requested_samples); >>>> > stream_cmd.stream_now = true; >>>> > stream_cmd.time_spec = uhd::time_spec_t(); >>>> > ... >>>> > std::cout << "starting flow graph" << std::endl; >>>> > tb->start(); >>>> > usrp_source->stop(); >>>> > usrp_source->issue_stream_cmd (stream_cmd); >>>> > >>>> > Even if I delete the issue_stream_cmd line, there is still a >>>> > segmentation fault. Can someone point out where I made a mistake? >>>> Thanks. >>>> > >>>> > Zhihong Luo >>>> > >>>> > >>>> > _______________________________________________ >>>> > 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 >>>> >>> >>> _______________________________________________ >>> 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
