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2009-10-19Resampler seems to be working for all values of rateTom
2009-10-19Working on fixing arbitrary resampler not working for rate < 1.0; this fixes ↵Tom
it for 0.5<=rate<=1.0 range.
2009-10-12Merge branch 'sync' of git@gnuradio.org:trondeau into masterJohnathan Corgan
This merge adds polyphase clock recovery, implements new PAM demodulators that use it, and also moves GRC examples to gnuradio-examples component. See merge commit diff for updated files post merge. * 'sync' of git@gnuradio.org:trondeau: (54 commits) Reverting dqpsk to be mpsk_receiver based and not change its behavior. Fixing initialization of timing gains. Alpha should be < 1, and beta should be << 1. This splits the rate into a fractional an integer value, which allows the loop to adjust the fractional rate while the integer rate keeps the increments moving properly. Allows the max rate deviation to be independent of the integer rate. Scaling of the differential taps also allows alpha and beta to operate independent of the rate when fractional samples per symbol are used. Slightly more tolerant to large signal values, but they still should be close to +/-1. Fixing compiler warnings. Adding dqpsk2 block to makefile for installation. Adding DQPSK version that uses the PFB timing sync block (dqpsk2). Minor fixes for logging. Fixing import of UI file. Temporary working dbpsk2 example until we match everything. Working DBPSK implementation with new PFB clock recovery block. The feedforward AGC wasn't playing nicely, the frequency aquistion range was increased to swing half the sample rate in either direction, and the number of filter phases to use was increased to 32. A bit of code cleanup. Starting to rework QT app to control new PFB clock recovery alg. Making old dbpsk work again to compare against new version. Adding new DBPSK block with new PFB clock recovery alg. Revert "More additions to PAM timing simulation." More additions to PAM timing simulation. Using 2-PAM by default. Cleaning up GRC PAM timing example and adding ability to do M-ary PAM. Cleaning up constructor. Moving filter number decision to start work function. ...
2009-10-12This splits the rate into a fractional an integer value, which allows the ↵Tom Rondeau
loop to adjust the fractional rate while the integer rate keeps the increments moving properly. Allows the max rate deviation to be independent of the integer rate. Scaling of the differential taps also allows alpha and beta to operate independent of the rate when fractional samples per symbol are used. Slightly more tolerant to large signal values, but they still should be close to +/-1.
2009-10-12Fixing compiler warnings.Tom Rondeau
2009-10-12A bit of code cleanup.Tom Rondeau
2009-10-10Add flags and dependencies for MinGW/MSYS.Johnathan Corgan
Patch-by: Don Ward <don2387ward@sprynet.com>
2009-10-10Use gruel::mutex instead of pthread_mutex in gr_histo_sink_f.Johnathan Corgan
Patch-by: Don Ward <don2387ward@sprynet.com>
2009-10-09Making old dbpsk work again to compare against new version.Tom
2009-10-09Cleaning up constructor.Tom
2009-10-09Moving filter number decision to start work function.Tom
2009-10-09Cleaning up unused variable and code.Tom
2009-10-09Working fractional sample rates in clock recovery algorithm.Tom
2009-10-09Chaning update for fractional sample rate into filter index.Tom
2009-10-09wipTom
2009-10-08Working on allowing fractional samples per symbol.Tom
2009-10-08Added gr.copy(itemsize) blockJohnathan Corgan
set_enabled(bool) will either copy from input to output (True) or drop the input on the floor (False).
2009-10-07Working sync for QPSKTom
2009-10-07More stable version of clock sync.Tom
2009-10-07Clipping the rate of the clock recovery helps track large changes.Tom
2009-10-06Fixing previous checkinTom
2009-10-06Adding accessor functions for both alpha and beta.Tom
2009-10-06Fixing io signature for debug outputs.Tom
2009-10-06Adding more outputs for debugging.Tom
2009-10-06Changinging behavior of parameter update for PFB clock recovery alg.Tom
2009-10-06Making second output port of PFB clock recovery optional.Tom
2009-10-06Merge branch 'master' into syncTom
Conflicts: gr-utils/src/python/gr_plot_qt.py gr-utils/src/python/pyqt_plot.py gr-utils/src/python/pyqt_plot.ui
2009-10-06Should not be clipping the error here.Tom
2009-10-06wip on clock sync block; exposing set gain functionTom
2009-09-25Add missing include file in gnuradio-coreJohnathan Corgan
2009-09-15Fix doxygen warnings.Philip Balister
2009-09-05Add missing cstdio includes for gcc 4.4 compatibilityJohnathan Corgan
2009-09-03Merge branch 'sync' from http://gnuradio.org/git/trondeau.git into masterJohnathan Corgan
* Fixing a line in the clock recovery algorithm. This works with a bit larger error than there proably should be. * Adding clock sync algorithm using PFB. This works, but needs a bit more work.
2009-09-03Fixing a line in the clock recovery algorithm. This works with a bit larger ↵Tom Rondeau
error than there proably should be.
2009-09-02Removed subversion related configuration info.Johnathan Corgan
* Don't call GR_SUBVERSION in configure.ac * Remove --svn* options from gnuradio-config-info
2009-08-30Adding clock sync algorithm using PFB. This works, but needs a bit more work.Tom
2009-08-15Merged changes from svn repository trunk.Johnathan Corgan
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11601 221aa14e-8319-0410-a670-987f0aec2ac5 Signed-off-by: Johnathan Corgan <jcorgan@corganenterprises.com>
2009-08-15Added reset method to gr_head and gr_vector_sink. This allows graphseb
containing these blocks to be run more than once with user control over when the reset of the counter and sink occurs. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11599 221aa14e-8319-0410-a670-987f0aec2ac5
2009-08-15gr_blocks may now produce different number of output items on each output ↵eb
stream. Merged eb/varying -r11178:11595 into trunk. Needs QA and examples. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11597 221aa14e-8319-0410-a670-987f0aec2ac5
2009-08-14Added git ignore files auto created from svn:ignore properties.git
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11592 221aa14e-8319-0410-a670-987f0aec2ac5
2009-08-13Refactored gr_msg_accepter and gr_tpd_thread_body.Eric Blossom
Redirected gr_msg_accepter::post into gr_block::_post based on dynamic cast.
2009-08-13Thread-per-block loop now checks and dequeues messages to handle_msg.Johnathan Corgan
2009-08-13Notify derived class when post()edJohnathan Corgan
2009-08-13Added gr_msg_accepter class.Johnathan Corgan
gr_msg_accepter derives from gruel::msg_accepter_msgq and will implement in its post() a notification of the destination block thread that a message is pending. Passes distcheck.
2009-08-13Added git ignore files auto created from svn:ignore properties.git repository hosting
2009-08-12Merging trondeau/pfb r11249:11581 into trunk. This adds a few polyphase ↵trondeau
filterbank implementations that do (integer) decimation, (integer) interpolation, arbitrary resampling, and channelizing. gnuradio-example/python/pfb includes a number of different examples of how to use these blocks. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11583 221aa14e-8319-0410-a670-987f0aec2ac5
2009-08-06Adds constructor for gr.message_source that takes existing msgq.jcorgan
A gr.message_source object can now be created in one of two ways: blk = gr.message_source(itemsize, limit) msgq = gr.msg_queue(limit) blk = gr.message_source(itemsize, msgq) git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11541 221aa14e-8319-0410-a670-987f0aec2ac5
2009-08-05Fixed optfir for producing equiripple FIR filters. Does LPF, fixes the HPF, ↵trondeau
and adds BPF (real). git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11537 221aa14e-8319-0410-a670-987f0aec2ac5
2009-08-01Merged r11500:11506 from features/msg-passing into trunk. Work-in-progress, ↵jcorgan
passes distcheck. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11524 221aa14e-8319-0410-a670-987f0aec2ac5
2009-07-25Update omnithread linking.jcorgan
Moved link against omnithread from gnuradio-core to those components still using it (and were depending on pulling omnithread in that way). git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11488 221aa14e-8319-0410-a670-987f0aec2ac5
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