diff options
Diffstat (limited to 'gr-msdd6000')
| -rw-r--r-- | gr-msdd6000/src/.gitignore | 2 | ||||
| -rw-r--r-- | gr-msdd6000/src/Makefile.am | 26 | ||||
| -rw-r--r-- | gr-msdd6000/src/Makefile.swig.gen | 193 | ||||
| -rw-r--r-- | gr-msdd6000/src/msdd6000_rs.cc | 286 | ||||
| -rw-r--r-- | gr-msdd6000/src/msdd6000_rs.h | 66 | ||||
| -rw-r--r-- | gr-msdd6000/src/msdd_rs.i | 93 | ||||
| -rw-r--r-- | gr-msdd6000/src/msdd_rs_source_simple.cc | 237 | ||||
| -rw-r--r-- | gr-msdd6000/src/msdd_rs_source_simple.h | 87 | ||||
| -rwxr-xr-x | gr-msdd6000/src/python-examples/msdd_rs_spec_an.py | 350 |
9 files changed, 1333 insertions, 7 deletions
diff --git a/gr-msdd6000/src/.gitignore b/gr-msdd6000/src/.gitignore index 33061d3ab..ca4a54fb0 100644 --- a/gr-msdd6000/src/.gitignore +++ b/gr-msdd6000/src/.gitignore @@ -4,3 +4,5 @@ /.deps /msdd.cc /msdd.py +/msdd_rs.cc +/msdd_rs.py diff --git a/gr-msdd6000/src/Makefile.am b/gr-msdd6000/src/Makefile.am index 0865d40de..9ae4efb0a 100644 --- a/gr-msdd6000/src/Makefile.am +++ b/gr-msdd6000/src/Makefile.am @@ -28,26 +28,40 @@ AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) $(PYTHON_CPPFLAGS) \ grinclude_HEADERS = \ msdd_source_simple.h \ msdd_buffer_copy_behaviors.h \ - msdd6000.h + msdd6000.h \ + msdd_rs_source_simple.h \ + msdd6000_rs.h -lib_LTLIBRARIES = libgnuradio-msdd6000.la +lib_LTLIBRARIES = libgnuradio-msdd6000.la \ + libgnuradio-msdd6000_rs.la libgnuradio_msdd6000_la_SOURCES = \ msdd_source_simple.cc \ msdd6000.cc + +libgnuradio_msdd6000_rs_la_SOURCES = \ + msdd_rs_source_simple.cc \ + msdd6000_rs.cc + libgnuradio_msdd6000_la_LIBADD = \ $(GNURADIO_CORE_LA) libgnuradio_msdd6000_la_LDFLAGS = \ $(NO_UNDEFINED) +libgnuradio_msdd6000_rs_la_LIBADD = \ + $(GNURADIO_CORE_LA) + +libgnuradio_msdd6000_rs_la_LDFLAGS = \ + $(NO_UNDEFINED) + if PYTHON ################################# # SWIG interface and library TOP_SWIG_IFILES = \ - msdd.i + msdd.i msdd_rs.i # Install so that they end up available as: # import gnuradio.msdd @@ -56,10 +70,16 @@ TOP_SWIG_IFILES = \ msdd_pythondir_category = \ gnuradio +msdd_rs_pythondir_category = \ + gnuradio + # additional libraries for linking with the SWIG-generated library msdd_la_swig_libadd = \ libgnuradio-msdd6000.la +msdd_rs_la_swig_libadd = \ + libgnuradio-msdd6000_rs.la + include $(top_srcdir)/Makefile.swig # add some of the variables generated inside the Makefile.swig.gen diff --git a/gr-msdd6000/src/Makefile.swig.gen b/gr-msdd6000/src/Makefile.swig.gen index 5c2920230..ced3979f7 100644 --- a/gr-msdd6000/src/Makefile.swig.gen +++ b/gr-msdd6000/src/Makefile.swig.gen @@ -33,14 +33,21 @@ ## this has to be done in the including Makefile.am -before- ## Makefile.swig is included. + msdd_pythondir_category ?= gnuradio/msdd msdd_pylibdir_category ?= $(msdd_pythondir_category) msdd_pythondir = $(pythondir)/$(msdd_pythondir_category) msdd_pylibdir = $(pyexecdir)/$(msdd_pylibdir_category) +msdd_rs_pythondir_category ?= gnuradio/msdd_rs +msdd_rs_pylibdir_category ?= $(msdd_rs_pythondir_category) +msdd_rs_pythondir = $(pythondir)/$(msdd_rs_pythondir_category) +msdd_rs_pylibdir = $(pyexecdir)/$(msdd_rs_pylibdir_category) + ## SWIG headers are always installed into the same directory. msdd_swigincludedir = $(swigincludedir) +msdd_rs_swigincludedir = $(swigincludedir) ## This is a template file for a "generated" Makefile addition (in ## this case, "Makefile.swig.gen"). By including the top-level @@ -63,6 +70,7 @@ msdd_swigincludedir = $(swigincludedir) ## the SWIG-generated files will be removed from the distribution. STAMPS += $(DEPDIR)/msdd-generate-* +STAMPS += $(DEPDIR)/msdd_rs-generate-* ## Other cleaned files: dependency files generated by SWIG or this Makefile @@ -72,27 +80,40 @@ MOSTLYCLEANFILES += $(DEPDIR)/*.S* ## .h file is sometimes built, but not always ... so that one has to ## be added manually by the including Makefile.am . -swig_built_sources += msdd.py msdd.cc +swig_built_sources += msdd.py msdd_rs.py msdd.cc msdd_rs.cc ## Various SWIG variables. These can be overloaded in the including ## Makefile.am by setting the variable value there, then including ## Makefile.swig . msdd_swiginclude_HEADERS = \ - msdd.i \ + msdd.i \ + msdd_rs.i \ $(msdd_swiginclude_headers) msdd_pylib_LTLIBRARIES = \ _msdd.la +msdd_rs_pylib_LTLIBRARIES = \ + _msdd_rs.la + _msdd_la_SOURCES = \ - msdd.cc \ + msdd.cc \ $(msdd_la_swig_sources) +_msdd_rs_la_SOURCES = \ + msdd_rs.cc \ + $(msdd_la_swig_sources) + + _msdd_la_LIBADD = \ $(STD_SWIG_LA_LIB_ADD) \ $(msdd_la_swig_libadd) +_msdd_rs_la_LIBADD = \ + $(STD_SWIG_LA_LIB_ADD) \ + $(msdd_rs_la_swig_libadd) + _msdd_la_LDFLAGS = \ $(STD_SWIG_LA_LD_FLAGS) \ $(msdd_la_swig_ldflags) @@ -101,10 +122,22 @@ _msdd_la_CXXFLAGS = \ $(STD_SWIG_CXX_FLAGS) \ $(msdd_la_swig_cxxflags) +_msdd_rs_la_LDFLAGS = \ + $(STD_SWIG_LA_LD_FLAGS) \ + $(msdd_rs_la_swig_ldflags) + +_msdd_rs_la_CXXFLAGS = \ + $(STD_SWIG_CXX_FLAGS) \ + $(msdd_rs_la_swig_cxxflags) + msdd_python_PYTHON = \ - msdd.py \ + msdd.py \ $(msdd_python) +msdd_rs_python_PYTHON = \ + msdd_rs.py \ + $(msdd_rs_python) + ## Entry rule for running SWIG msdd.h msdd.py msdd.cc: msdd.i @@ -251,9 +284,161 @@ $(DEPDIR)/msdd-generate-stamp: ## touch $(DEPDIR)/msdd-generate-stamp + + + + + +msdd_rs.h msdd_rs.py msdd_rs.cc: msdd_rs.i +## This rule will get called only when MAKE decides that one of the +## targets needs to be created or re-created, because: +## +## * The .i file is newer than any or all of the generated files; +## +## * Any or all of the .cc, .h, or .py files does not exist and is +## needed (in the case this file is not needed, the rule for it is +## ignored); or +## +## * Some SWIG-based dependecy of the .cc file isn't met and hence the +## .cc file needs be be regenerated. Explanation: Because MAKE +## knows how to handle dependencies for .cc files (regardless of +## their name or extension), then the .cc file is used as a target +## instead of the .i file -- but with the dependencies of the .i +## file. It is this last reason why the line: +## +## if test -f $@; then :; else +## +## cannot be used in this case: If a .i file dependecy is not met, +## then the .cc file needs to be rebuilt. But if the stamp is newer +## than the .cc file, and the .cc file exists, then in the original +## version (with the 'test' above) the internal MAKE call will not +## be issued and hence the .cc file will not be rebuilt. +## +## Once execution gets to here, it should always proceed no matter the +## state of a stamp (as discussed in link above). The +## $(DEPDIR)/msdd-generate stuff is used to allow for parallel +## builds to "do the right thing". The stamp has no relationship with +## either the target files or dependency file; it is used solely for +## the protection of multiple builds during a given call to MAKE. +## +## Catch signals SIGHUP (1), SIGINT (2), SIGPIPE (13), and SIGTERM +## (15). At a caught signal, the quoted command will be issued before +## exiting. In this case, remove any stamp, whether temporary of not. +## The trap is valid until the process exits; the process includes all +## commands appended via "\"s. +## + trap 'rm -rf $(DEPDIR)/msdd_rs-generate-*' 1 2 13 15; \ +## +## Create a temporary directory, which acts as a lock. The first +## process to create the directory will succeed and issue the MAKE +## command to do the actual work, while all subsequent processes will +## fail -- leading them to wait for the first process to finish. +## + if mkdir $(DEPDIR)/msdd_rs-generate-lock 2>/dev/null; then \ +## +## This code is being executed by the first process to succeed in +## creating the directory lock. +## +## Remove the stamp associated with this filename. +## + rm -f $(DEPDIR)/msdd_rs-generate-stamp; \ +## +## Tell MAKE to run the rule for creating this stamp. +## + $(MAKE) $(AM_MAKEFLAGS) $(DEPDIR)/msdd_rs-generate-stamp WHAT=$<; \ +## +## Now that the .cc, .h, and .py files have been (re)created from the +## .i file, future checking of this rule during the same MAKE +## execution will come back that the rule doesn't need to be executed +## because none of the conditions mentioned at the start of this rule +## will be positive. Remove the the directory lock, which frees up +## any waiting process(es) to continue. +## + rmdir $(DEPDIR)/msdd_rs-generate-lock; \ + else \ +## +## This code is being executed by any follower processes while the +## directory lock is in place. +## +## Wait until the first process is done, testing once per second. +## + while test -d $(DEPDIR)/msdd_rs-generate-lock; do \ + sleep 1; \ + done; \ +## +## Succeed if and only if the first process succeeded; exit this +## process returning the status of the generated stamp. +## + test -f $(DEPDIR)/msdd_rs-generate-stamp; \ + exit $$?; \ + fi; + +$(DEPDIR)/msdd_rs-generate-stamp: +## This rule will be called only by the first process issuing the +## above rule to succeed in creating the lock directory, after +## removing the actual stamp file in order to guarantee that MAKE will +## execute this rule. +## +## Call SWIG to generate the various output files; special +## post-processing on 'mingw32' host OS for the dependency file. +## + if $(SWIG) $(STD_SWIG_PYTHON_ARGS) $(msdd_rs_swig_args) \ + -MD -MF $(DEPDIR)/msdd_rs.Std \ + -module msdd_rs -o msdd_rs.cc $(WHAT); then \ + if test $(host_os) = mingw32; then \ + $(RM) $(DEPDIR)/msdd_rs.Sd; \ + $(SED) 's,\\\\,/,g' < $(DEPDIR)/msdd_rs.Std \ + > $(DEPDIR)/msdd_rs.Sd; \ + $(RM) $(DEPDIR)/msdd_rs.Std; \ + $(MV) $(DEPDIR)/msdd_rs.Sd $(DEPDIR)/msdd_rs.Std; \ + fi; \ + else \ + $(RM) $(DEPDIR)/msdd_rs.S*; exit 1; \ + fi; +## +## Mess with the SWIG output .Std dependency file, to create a +## dependecy file valid for the input .i file: Basically, simulate the +## dependency file created for libraries by GNU's libtool for C++, +## where all of the dependencies for the target are first listed, then +## each individual dependency is listed as a target with no further +## dependencies. +## +## (1) remove the current dependency file +## + $(RM) $(DEPDIR)/msdd_rs.d +## +## (2) Copy the whole SWIG file: +## + cp $(DEPDIR)/msdd_rs.Std $(DEPDIR)/msdd_rs.d +## +## (3) all a carriage return to the end of the dependency file. +## + echo "" >> $(DEPDIR)/msdd_rs.d +## +## (4) from the SWIG file, remove the first line (the target); remove +## trailing " \" and " " from each line. Append ":" to each line, +## followed by 2 carriage returns, then append this to the end of +## the dependency file. +## + $(SED) -e '1d;s, \\,,g;s, ,,g' < $(DEPDIR)/msdd_rs.Std | \ + awk '{ printf "%s:\n\n", $$0 }' >> $(DEPDIR)/msdd_rs.d +## +## (5) remove the SWIG-generated file +## + $(RM) $(DEPDIR)/msdd_rs.Std +## +## Create the stamp for this filename generation, to signal success in +## executing this rule; allows other threads waiting on this process +## to continue. +## + touch $(DEPDIR)/msdd_rs-generate-stamp + # KLUDGE: Force runtime include of a SWIG dependency file. This is # not guaranteed to be portable, but will probably work. If it works, # we have accurate dependencies for our swig stuff, which is good. + @am__include@ @am__quote@./$(DEPDIR)/msdd.d@am__quote@ +@am__include@ @am__quote@./$(DEPDIR)/msdd_rs.d@am__quote@ + diff --git a/gr-msdd6000/src/msdd6000_rs.cc b/gr-msdd6000/src/msdd6000_rs.cc new file mode 100644 index 000000000..d78f2b4da --- /dev/null +++ b/gr-msdd6000/src/msdd6000_rs.cc @@ -0,0 +1,286 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <msdd6000_rs.h> + +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +#define DEBUG(A) printf("=debug=> %s\n", A) + +static void +optimize_socket(int socket); + +/* + * Holds types that need autoconf help. They're here and not in the .h file because + * here we've got access to config.h + */ +class MSDD6000_RS::detail { +public: + struct sockaddr_in d_sockaddr; +}; + + +MSDD6000_RS::MSDD6000_RS(char* addr) + : d_detail(new MSDD6000_RS::detail()) +{ + d_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); + + optimize_socket(d_sock); + + + // set up remote sockaddr +// int s = inet_aton(addr, &d_adx); + d_detail->d_sockaddr.sin_family = AF_INET; + d_detail->d_sockaddr.sin_port = htons(10000); + int s = inet_aton(addr, &d_detail->d_sockaddr.sin_addr); + + // set up local sockaddr + struct in_addr d_myadx; + struct sockaddr_in d_mysockaddr; + short int port = 10010; + d_myadx.s_addr = INADDR_ANY; + d_mysockaddr.sin_family = AF_INET; + d_mysockaddr.sin_port = htons(port); + memcpy(&d_mysockaddr.sin_addr.s_addr, &d_myadx.s_addr, sizeof(in_addr)); + //d_sockaddr.sin_addr = INADDR_ANY; + s = bind(d_sock, (const sockaddr*) &d_mysockaddr, sizeof(d_mysockaddr)); + + // set default values + //d_decim = 2; + d_ddc_gain = 2; + d_rf_attn = 0; + d_fc_mhz = 3500; + d_offset_hz = 0; + d_ddc_gain = 0; + d_ddc_sample_rate_khz = 25600; + d_ddc_bw_khz = 25600; + d_start = 0; + d_state = STATE_STOPPED; +} + +MSDD6000_RS::~MSDD6000_RS() +{ + //printf("MSDD6000_RS::Destructing\n"); + close(d_sock); +} + + +static void +optimize_socket(int socket){ +#define BANDWIDTH 1000000000/8 +#define DELAY 0.5 + int ret; + + int sock_buf_size = static_cast<int>(2*BANDWIDTH*DELAY); + char textbuf[512]; + snprintf(textbuf, sizeof(textbuf), "%d", sock_buf_size); + printf("sock_buf_size = %d\n", sock_buf_size); + + ret = setsockopt(socket, SOL_SOCKET, SO_SNDBUF, + &sock_buf_size, sizeof(sock_buf_size)); + + ret = setsockopt(socket, SOL_SOCKET, SO_RCVBUF, + &sock_buf_size, sizeof(sock_buf_size)); + + int uid = getuid(); + if(uid!=0){ + printf(" ****** COULD NOT OPTIMIZE SYSTEM NETWORK PARAMETERS BECAUSE YOU ARE NOT RUNNING AS ROOT *******\n ****** YOUR MSDD6000_RS RECIEVER PERFORMANCE IS GOING TO BE TERRIBLE *******\n"); + return; + } + + + // SET UP SOME SYSTEM WIDE TCP SOCKET PARAMETERS + // FIXME seems like kind of a big hammer. Are you sure you need this? + FILE* fd = fopen("/proc/sys/net/core/netdev_max_backlog", "w"); + if (fd){ + fwrite("10000", 1, strlen("10000"), fd); + fclose(fd); + } + + fd = fopen("/proc/sys/net/core/rmem_max", "w"); + if (fd){ + fwrite(textbuf, 1, strlen(textbuf), fd); + fclose(fd); + } + + fd = fopen("/proc/sys/net/core/wmem_max", "w"); + if (fd){ + fwrite(textbuf, 1, strlen(textbuf), fd); + fclose(fd); + } + + // just incase these were rejected before because of max sizes... + + ret = setsockopt( socket, SOL_SOCKET, SO_SNDBUF, + (char *)&sock_buf_size, sizeof(sock_buf_size) ); + + ret = setsockopt( socket, SOL_SOCKET, SO_RCVBUF, + (char *)&sock_buf_size, sizeof(sock_buf_size) ); + +} + + +//void MSDD6000_RS::set_decim(int decim_pow2){ +// DEBUG("SETTING NEW DECIM"); +// d_decim = decim_pow2; +// +// if(d_state==STATE_STARTED) +// send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_decim, d_offset_hz); +//} + +void MSDD6000_RS::set_rf_attn(int attn){ + DEBUG("SETTING NEW RF ATTN"); + d_rf_attn = attn; + if(d_state==STATE_STARTED) + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); +} + +void MSDD6000_RS::set_ddc_gain(int gain){ + DEBUG("SETTING NEW DDC GAIN"); + d_ddc_gain = gain; + if(d_state==STATE_STARTED) + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); +} + +void MSDD6000_RS::set_fc(int center_mhz, int offset_hz){ + DEBUG("SETTING NEW FC"); + d_fc_mhz = center_mhz; + d_offset_hz = offset_hz; + + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); +// if(d_state==STATE_STARTED) +// send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_decim, d_offset_hz); +// send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); +// +} + +void MSDD6000_RS::set_ddc_samp_rate(float sample_rate_khz){ + DEBUG("SETTING NEW SAMPLE RATE"); + d_ddc_sample_rate_khz = sample_rate_khz; + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); +} + +void MSDD6000_RS::set_ddc_bw(float bw_khz){ + DEBUG("SETTING NEW DDC BW"); + d_ddc_bw_khz = bw_khz; + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); +} + +void MSDD6000_RS::start(){ + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); + return; +} + +void MSDD6000_RS::stop(){ + // new request with 0 decim tells it to halt + stop_data(); +} + + +int MSDD6000_RS::start_data(){ + d_start = 1; + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); + d_state = STATE_STARTED; + return 0; + } + + +int MSDD6000_RS::stop_data(){ + // new request with 0 decim tells it to halt + d_start = 0; + send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_offset_hz, d_ddc_sample_rate_khz, d_ddc_bw_khz, d_start); + d_state = STATE_STOPPED; + return 0; + } + +/* Query functions */ +float MSDD6000_RS::pull_ddc_samp_rate(){ + return d_ddc_sample_rate_khz; +} +float MSDD6000_RS::pull_ddc_bw(){ + return d_ddc_bw_khz; +} + +float MSDD6000_RS::pull_rx_freq(){ + return d_fc_mhz; +} +int MSDD6000_RS::pull_ddc_gain(){ + return d_ddc_gain; +} + +int MSDD6000_RS::pull_rf_atten(){ + return d_rf_attn; +} + + +void MSDD6000_RS::send_request(float freq_mhz, float rf_attn, float ddc_gain, float ddc_offset_hz, float ddc_samp_rate_khz, float ddc_input_bw_khz, float ddc_start){ + static char buff[512]; + // Send MSDD6000_RS control frame. + sprintf(buff, "%f %f %f %f %f %f %f\n",freq_mhz, rf_attn, ddc_gain, ddc_offset_hz, ddc_samp_rate_khz, ddc_input_bw_khz, ddc_start); //ddc_dec, ddc_offset_hz); + printf("sending: %s\n", buff); + int flags = 0; + sendto( d_sock, buff, strlen(buff)+1, flags, + (const sockaddr*)&(d_detail->d_sockaddr), sizeof(d_detail->d_sockaddr)); + } + + +int MSDD6000_RS::read(char* buf, int size){ + int flags = 0; + return recv(d_sock, buf, size, flags); + } + +int MSDD6000_RS::parse_control(char* buf, int size){ + //packet_len = sprintf(&txbuff[6], "%f %f %f %f %f %f %f",downsamp,ddc_dec_rate,ddc_step_int,ddc_step_frac,ddc_samp_rate_khz,ddc_input_bw_khz,ddc_start); + + float downsamp; + float ddc_dec_rate; + float ddc_step_int; + float ddc_step_frac; + float ddc_samp_rate_khz; + float ddc_input_bw_khz; + float ddc_start; + + sscanf(&buf[6],"%f %f %f %f %f %f %f",&downsamp,&ddc_dec_rate,&ddc_step_int,&ddc_step_frac,&ddc_samp_rate_khz,&ddc_input_bw_khz,&ddc_start); + + // pull off sample rate + d_ddc_sample_rate_khz = ddc_samp_rate_khz; + printf("Sample Rate %f\n",d_ddc_sample_rate_khz); + // pull off bw + d_ddc_bw_khz = ddc_input_bw_khz; + printf("BW %f\n", d_ddc_bw_khz); + return 0; +} + + diff --git a/gr-msdd6000/src/msdd6000_rs.h b/gr-msdd6000/src/msdd6000_rs.h new file mode 100644 index 000000000..4be4624be --- /dev/null +++ b/gr-msdd6000/src/msdd6000_rs.h @@ -0,0 +1,66 @@ +#ifndef MSDD_RS__RS_6000_H +#define MSDD_RS__RS_6000_H + +#include <boost/scoped_ptr.hpp> + +class MSDD6000_RS { + class detail; + + //! holds objects with system dependent types + boost::scoped_ptr<detail> d_detail; + +public: + + enum state { + STATE_STOPPED, STATE_STARTED + }; + + MSDD6000_RS(char* ip_addr); + ~MSDD6000_RS(); + + /* set functions -- sets digitizer parameters */ + + // void set_output(int mode, void* arg); + + void set_rf_attn(int attn); + void set_ddc_gain(int gain); + void set_fc(int center_mhz, int offset_hz); + void set_ddc_samp_rate(float sample_rate_khz); + void set_ddc_bw(float bw_khz); + + void start(); + void stop(); + + /* function starts the flow of data from the digitizer */ + int start_data(); + /* function stops the flow of data from the digitizer */ + int stop_data(); + + /* query functions -- queries digitizer 'actual' parameters */ + float pull_ddc_samp_rate(); + float pull_ddc_bw(); + float pull_rx_freq(); + int pull_ddc_gain(); + int pull_rf_atten(); + + void send_request(float,float,float,float,float,float,float); + int read(char*, int); + + int parse_control(char*, int); + +private: + // parameters for a receiver object. + int d_fc_mhz; + int d_offset_hz; + int d_rf_attn; + int d_ddc_gain; + float d_ddc_sample_rate_khz; + float d_ddc_bw_khz; + int d_start; + int d_sock; + state d_state; + +}; + + +#endif diff --git a/gr-msdd6000/src/msdd_rs.i b/gr-msdd6000/src/msdd_rs.i new file mode 100644 index 000000000..16a1bec1a --- /dev/null +++ b/gr-msdd6000/src/msdd_rs.i @@ -0,0 +1,93 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2009 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +%include "gnuradio.i" // the common stuff + +%{ +#include "msdd_rs_source_simple.h" +%} + + +GR_SWIG_BLOCK_MAGIC(msdd_rs,source_simple) + +msdd_rs_source_simple_sptr +msdd_rs_make_source_simple ( + const char *src, + unsigned short port_src + ); + +class msdd_rs_source_simple : public gr_sync_block { + protected: + msdd_rs_source_simple( + const char *src, + unsigned short port_src + ); + + public: + ~msdd_rs_source_c(); + int work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + + bool start(); + bool stop(); + + /* function starts the flow of data */ + int start_data(); + + /* function stops the flow of data */ + int stop_data(); + + long pull_adc_freq(); + /* Request the current ddc sample rate */ + float pull_ddc_samp_rate(); + /* Request the current ddc bandwidth */ + float pull_ddc_bw(); + /* Request the current rx freq */ + float pull_rx_freq(); + /* Request current ddc gain */ + int pull_ddc_gain(); + /* Request current RF attenuation */ + int pull_rf_atten(); + + + /* int decim_rate(); */ + gr_vector_int gain_range(); + gr_vector_float freq_range(); + + /* Set Functions */ + /* bool set_decim_rate(unsigned int); */ + bool set_rx_freq(double); /* set_rx_freq(int,double); */ + /* bool set_pga(int,double); */ + + bool set_ddc_gain(double); + /* Set desired sample rate of MSDD6000 -- Note bounds checking is + done by the module and it will return the value actually used in the hardware. */ + bool set_ddc_samp_rate(double); + /* Set desired input BW of MSDD6000 -- Note bounds checking is + // done by the module and it will return the value actually used in the hardware. */ + bool set_ddc_bw(double); + + bool set_rf_atten(double); + + + }; diff --git a/gr-msdd6000/src/msdd_rs_source_simple.cc b/gr-msdd6000/src/msdd_rs_source_simple.cc new file mode 100644 index 000000000..2ffc64240 --- /dev/null +++ b/gr-msdd6000/src/msdd_rs_source_simple.cc @@ -0,0 +1,237 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <msdd_rs_source_simple.h> +#include <gr_io_signature.h> +#include <string.h> +#include <cstdio> + + +msdd_rs_source_simple_sptr +msdd_rs_make_source_simple ( const char *src, unsigned short port_src) +{ + return msdd_rs_source_simple_sptr (new msdd_rs_source_simple ( src, port_src)); +} + + +msdd_rs_source_simple::msdd_rs_source_simple ( + const char *src, + unsigned short port_src) + : gr_sync_block("MSDD_RS_SOURCE_SIMPLE", + gr_make_io_signature (0,0,0), + gr_make_io_signature (1, 1, sizeof (short))), + rcv(new MSDD6000_RS((char*) src)), d_lastseq(0) +{ +} + +msdd_rs_source_simple::~msdd_rs_source_simple () +{ +} + + +int +msdd_rs_source_simple::work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + +#define BUF_LEN (366*sizeof(short)*2 + 6) + + float* out1 =(float*) output_items[0]; + + char buffer[BUF_LEN]; + /* Read a buffer out -- looking at UDP payload at this point.*/ + rcv->read( &buffer[0], BUF_LEN ); + + int seq = *((int*) &buffer[2]); + char type = buffer[0]; + //printf("Sequence %d\n",seq); + + // FIXME get rid of these magic 366's! + if(d_lastseq == -366) + { + if (type != 0){ + /* Received control packet -- parse and update locally stored parameters */ + printf("Parsing control Packet\n"); + rcv->parse_control(&buffer[0], seq); + } + else{ + // not started case + if(seq == 0){ + d_lastseq = 0; + } + else + { + // THROW AWAY SAMPLES WE ARE NOT STARTED YET! + return 0; + } + } + } + // Started case + else + { + if (type != 0){ + /* Received control packet -- parse and update locally stored parameters */ + printf("Parsing control Packet\n"); + rcv->parse_control(&buffer[0], seq); + } + + else { + int samples_missed = seq - d_lastseq - 366; + if(samples_missed > 0) + { + printf("dropped %d samples.\n", samples_missed); + } + d_lastseq = seq; + } + } + + if(noutput_items< 366*2){ + printf("NOT ENOUGH SPACE IN OUTPUT BUFFER!!! >:-(\n"); + } + + memcpy(&out1[0], &buffer[6], BUF_LEN - 6); + +// for(int i = 0; i < 366*2; i++){ +// out1[i] = (float) (*((short*) &buffer[6+2*i]) ); +// } + + return 366*2; +} + +//bool msdd_rs_source_simple::set_decim_rate(unsigned int rate) +//{ +// // FIXME seems buggy. How about a floor or ceil? +// rcv->set_decim((int) log2(rate)); +// return true; +//} + +bool msdd_rs_source_simple::set_rx_freq(double freq) +{ + long new_fc = (long)freq; + rcv->set_fc( new_fc/1000000, new_fc%1000000); + return true; +} + + +bool msdd_rs_source_simple::set_ddc_gain(double gain) +{ + if(gain < 0 || gain > 7){ // only 3 bits available. + printf("GAIN IS OUTSIDE ACCEPTABLE RANGE!\n"); + return false; + } + //decimation gain + rcv->set_ddc_gain((int)gain); + return true; +} + +// Set desired sample rate of MSDD6000 -- Note bounds checking is +// done by the module and it will return the value actually used in the hardware. +bool msdd_rs_source_simple::set_ddc_samp_rate(double rate) +{ + rcv->set_ddc_samp_rate((float) rate); + return true; +} + +// Set desired input BW of MSDD6000 -- Note bounds checking is +// done by the module and it will return the value actually used in the hardware. +bool msdd_rs_source_simple::set_ddc_bw(double bw) +{ + rcv->set_ddc_bw((float) bw); + return true; +} + +bool msdd_rs_source_simple::set_rf_atten(double rf_atten) +{ + rcv->set_rf_attn((int) rf_atten); + return true; +} + +bool msdd_rs_source_simple::start() +{ + rcv->start(); + rcv->stop_data(); + return true; +} + +bool msdd_rs_source_simple::stop() +{ + rcv->stop(); + return true; +} + +int msdd_rs_source_simple::start_data() +{ + return rcv->start_data(); +} + +int msdd_rs_source_simple::stop_data() +{ + return rcv->stop_data(); +} + +/* Query functions */ +long msdd_rs_source_simple::pull_adc_freq(){ + return 102400000; +} + +/* Request the current ddc sample rate */ +float msdd_rs_source_simple::pull_ddc_samp_rate(){ + return(rcv->pull_ddc_samp_rate()); +} + +/* Request the current ddc bandwidth */ +float msdd_rs_source_simple::pull_ddc_bw(){ + return(rcv->pull_ddc_bw()); + +} + +/* Request the current rx freq */ +float msdd_rs_source_simple::pull_rx_freq(){ + return(rcv->pull_rx_freq()); +} + +/* Request current ddc gain */ +int msdd_rs_source_simple::pull_ddc_gain(){ + return(rcv->pull_ddc_gain()); +} + +/* Request current RF attenuation */ +int msdd_rs_source_simple::pull_rf_atten(){ + return(rcv->pull_rf_atten()); +} + +std::vector<int> msdd_rs_source_simple::gain_range(){ + static std::vector<int> r; + r.push_back(0); + r.push_back(12); + return r; +} + +std::vector<float> msdd_rs_source_simple::freq_range(){ + std::vector<float> r; + r.push_back(30.0*1000*1000); + r.push_back(6.0*1000*1000*1000); + return r; +} diff --git a/gr-msdd6000/src/msdd_rs_source_simple.h b/gr-msdd6000/src/msdd_rs_source_simple.h new file mode 100644 index 000000000..f320cbb4d --- /dev/null +++ b/gr-msdd6000/src/msdd_rs_source_simple.h @@ -0,0 +1,87 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifndef INCLUDED_MSDD_RS_SOURCE_SIMPLE_H +#define INCLUDED_MSDD_RS_SOURCE_SIMPLE_H + +#include <gr_sync_block.h> +#include <msdd6000_rs.h> +#include <boost/scoped_ptr.hpp> + +class msdd_rs_source_simple; +typedef boost::shared_ptr<msdd_rs_source_simple> msdd_rs_source_simple_sptr; + + +// public shared_ptr constructor + +msdd_rs_source_simple_sptr msdd_rs_make_source_simple ( const char *src, unsigned short port_src); + + +class msdd_rs_source_simple : public gr_sync_block { + private: + friend msdd_rs_source_simple_sptr + msdd_rs_make_source_simple ( const char *src, unsigned short port_src); + + boost::scoped_ptr<MSDD6000_RS> rcv; + int d_lastseq; + + protected: + msdd_rs_source_simple (const char *src, unsigned short port_src); + + public: + ~msdd_rs_source_simple (); + bool stop(); + bool start(); + + /* function starts the flow of data from the digitizer */ + int start_data(); + /* function stops the flow of data from the digitizer */ + int stop_data(); + + // Do not need this // +// bool set_decim_rate(unsigned int); + /* Adding functions for setting the sample rate and + * receiver bandwidth + */ + + /* hardware commands -- change current state of digitizer */ + bool set_ddc_samp_rate(double); + bool set_ddc_bw(double); + + bool set_rx_freq(double); + bool set_ddc_gain(double); + bool set_rf_atten(double); + + int work(int, gr_vector_const_void_star&, gr_vector_void_star&); + + /* Query methods -- query current state of digitizer */ + long pull_adc_freq(); + float pull_ddc_samp_rate(); + float pull_ddc_bw(); + float pull_rx_freq(); + int pull_ddc_gain(); + int pull_rf_atten(); + + /* Pulling back gain and frequency ranges */ + std::vector<int> gain_range(); + std::vector<float> freq_range(); +}; + +#endif /* INCLUDED_MSDD_RS__RS__SOURCE_C_H */ diff --git a/gr-msdd6000/src/python-examples/msdd_rs_spec_an.py b/gr-msdd6000/src/python-examples/msdd_rs_spec_an.py new file mode 100755 index 000000000..4855375b8 --- /dev/null +++ b/gr-msdd6000/src/python-examples/msdd_rs_spec_an.py @@ -0,0 +1,350 @@ +#!/usr/bin/env python +# +# Copyright 2009 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +from gnuradio import gr +from gnuradio import msdd_rs +from gnuradio import eng_notation +from gnuradio.eng_option import eng_option +from gnuradio.qtgui import qtgui +from optparse import OptionParser +import sys,time + +try: + from gnuradio.qtgui import qtgui + from PyQt4 import QtGui, QtCore + import sip +except ImportError: + print "Please install gr-qtgui." + sys.exit(1) + +try: + from msdd_display_qtgui import Ui_MainWindow +except ImportError: + print "Error: could not find msdd_display_qtgui.py:" + print "\t\"pyuic4 msdd_display_qtgui.ui -o msdd_display_qtgui.py\"" + sys.exit(1) + + +# //////////////////////////////////////////////////////////////////// +# Define the QT Interface and Control Dialog +# //////////////////////////////////////////////////////////////////// + + +class main_window(QtGui.QMainWindow): + def __init__(self, snk, fg, parent=None): + + QtGui.QWidget.__init__(self, parent) + self.gui = Ui_MainWindow() + self.gui.setupUi(self) + + self.fg = fg + + # Add the qtsnk widgets to the layout box + self.gui.sinkLayout.addWidget(snk) + + self.gui.dcGainEdit.setText(QtCore.QString("%1").arg(0.001)) + + # Connect up some signals + self.connect(self.gui.pauseButton, QtCore.SIGNAL("clicked()"), + self.pauseFg) + self.connect(self.gui.frequencyEdit, QtCore.SIGNAL("editingFinished()"), + self.frequencyEditText) + self.connect(self.gui.gainEdit, QtCore.SIGNAL("editingFinished()"), + self.gainEditText) + self.connect(self.gui.bandwidthEdit, QtCore.SIGNAL("editingFinished()"), + self.bandwidthEditText) + self.connect(self.gui.amplifierEdit, QtCore.SIGNAL("editingFinished()"), + self.amplifierEditText) + + self.connect(self.gui.actionSaveData, QtCore.SIGNAL("activated()"), + self.saveData) + self.gui.actionSaveData.setShortcut(QtGui.QKeySequence.Save) + + self.connect(self.gui.dcGainEdit, QtCore.SIGNAL("editingFinished()"), + self.dcGainEditText) + self.connect(self.gui.dcCancelCheckBox, QtCore.SIGNAL("clicked(bool)"), + self.dcCancelClicked) + + def pauseFg(self): + if(self.gui.pauseButton.text() == "Pause"): + self.fg.stop() + self.fg.wait() + self.fg.stop_data() + self.gui.pauseButton.setText("Unpause") + else: + self.fg.start() + self.fg.start_data() + self.gui.pauseButton.setText("Pause") + + + # Functions to set the values in the GUI + def set_frequency(self, freq): + self.freq = freq + sfreq = eng_notation.num_to_str(self.freq) + self.gui.frequencyEdit.setText(QtCore.QString("%1").arg(sfreq)) + + def set_gain(self, gain): + self.gain = gain + self.gui.gainEdit.setText(QtCore.QString("%1").arg(self.gain)) + + def set_bandwidth(self, bw): + self.bw = bw + sbw = eng_notation.num_to_str(self.bw) + self.gui.bandwidthEdit.setText(QtCore.QString("%1").arg(sbw)) + + def set_amplifier(self, amp): + self.amp = amp + self.gui.amplifierEdit.setText(QtCore.QString("%1").arg(self.amp)) + + + # Functions called when signals are triggered in the GUI + def frequencyEditText(self): + try: + freq = eng_notation.str_to_num(self.gui.frequencyEdit.text().toAscii()) + self.fg.set_frequency(freq) + self.freq = freq + except RuntimeError: + pass + + def gainEditText(self): + try: + gain = float(self.gui.gainEdit.text()) + self.fg.set_gain(gain) + self.gain = gain + except ValueError: + pass + + def bandwidthEditText(self): + try: + bw = eng_notation.str_to_num(self.gui.bandwidthEdit.text().toAscii()) + self.fg.set_bandwidth(bw) + self.bw = bw + except ValueError: + pass + + def amplifierEditText(self): + try: + amp = float(self.gui.amplifierEdit.text()) + self.fg.set_amplifier_gain(amp) + self.amp = amp + except ValueError: + pass + + def saveData(self): + fileName = QtGui.QFileDialog.getSaveFileName(self, "Save data to file", "."); + if(len(fileName)): + self.fg.save_to_file(str(fileName)) + + def dcGainEditText(self): + gain = float(self.gui.dcGainEdit.text()) + self.fg.set_dc_gain(gain) + + def dcCancelClicked(self, state): + self.dcGainEditText() + self.fg.cancel_dc(state) + + + +class my_top_block(gr.top_block): + def __init__(self): + gr.top_block.__init__(self) + + parser = OptionParser(option_class=eng_option) + parser.add_option("-e", "--interface", type="string", default="eth0", + help="select Ethernet interface, default is eth0") + parser.add_option("-m", "--mac-addr", type="string", default="", + help="select USRP by MAC address, default is auto-select") + parser.add_option("-W", "--bw", type="float", default=1e6, + help="set bandwidth of receiver [default=%default]") + parser.add_option("-f", "--freq", type="eng_float", default="2.4G", + help="set frequency to FREQ", metavar="FREQ") + parser.add_option("-g", "--gain", type="eng_float", default=None, + help="set gain in dB (default is midpoint)") + parser.add_option("--fft-size", type="int", default=2048, + help="Set number of FFT bins [default=%default]") + (options, args) = parser.parse_args() + + if len(args) != 0: + parser.print_help() + sys.exit(1) + self.options = options + self.show_debug_info = True + + self.qapp = QtGui.QApplication(sys.argv) + +# self.u = usrp2.source_32fc(options.interface, options.mac_addr) + self.u = msdd_rs.source_simple("192.168.1.20", 10000); + self.conv = gr.interleaved_short_to_complex(); + self._adc_rate = self.u.pull_adc_freq() + self.set_bandwidth(options.bw) + + if options.gain is None: + # if no gain was specified, use the mid-point in dB +# g = self.u.gain_range() + g = [0, 10] + #options.gain = float(g[0]+g[1])/2 + options.gain = float(0) + self.set_gain(options.gain) + + if options.freq is None: + options.freq = 2.4e9; +# # if no frequency was specified, use the mid-point of the subdev +# f = self.u.freq_range() +# options.freq = float(f[0]+f[1])/2 + + self.set_frequency(options.freq) + + self._fftsize = options.fft_size + + + self._freq = options.freq; + self._bandwidth = 400; + + self.set_bandwidth(self._bandwidth); + + self.snk = qtgui.sink_c(options.fft_size, gr.firdes.WIN_BLACKMAN_hARRIS, + self._freq, self._bandwidth, + "USRP2 Display", + True, True, False, True, False) + + # Set up internal amplifier + self.amp = gr.multiply_const_cc(0.0) + self.set_amplifier_gain(0.01) + + # Create a single-pole IIR filter to remove DC + # but don't connect it yet + self.dc_gain = 0.001 + self.dc = gr.single_pole_iir_filter_cc(self.dc_gain) + self.dc_sub = gr.sub_cc() + + self.agc = gr.agc2_cc(1e-3, 1e-5, 0.01, 0.01, 10); + + self.connect(self.u, self.conv, self.snk) + #self.connect(self.u, self.conv, self.amp, self.snk) + + if self.show_debug_info: + print "Decimation rate: ", self._decim + print "Bandwidth: ", self._bandwidth +# print "D'board: ", self.u.daughterboard_id() + + # Get the reference pointer to the SpectrumDisplayForm QWidget + # Wrap the pointer as a PyQt SIP object + # This can now be manipulated as a PyQt4.QtGui.QWidget + self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget) + + self.main_win = main_window(self.pysink, self) + + self.main_win.set_frequency(self._freq) + self.main_win.set_gain(self._gain) + self.main_win.set_bandwidth(self._bandwidth) + self.main_win.set_amplifier(self._amp_value) + + self.main_win.show() + + + def save_to_file(self, name): + self.lock() + + # Add file sink to save data + self.file_sink = gr.file_sink(gr.sizeof_gr_complex, name) + self.connect(self.conv, self.file_sink) + + self.unlock() + + def set_gain(self, gain): + self._gain = gain + self.u.set_ddc_gain(self._gain) + + def set_frequency(self, freq): + self._freq = freq + r = self.u.set_rx_freq(freq) + + try: + self.snk.set_frequency_range(self._freq, self._bandwidth) + except: + pass + + def set_bandwidth(self, bw): + self._bandwidth = bw + self._decim = int(self._adc_rate / self._bandwidth) +# self.u.set_decim_rate(self._decim) + r1 = self.u.set_ddc_samp_rate( bw ); + r2 = self.u.set_ddc_bw( bw ); + self.u.start_data(); + + print r1 + print r2; + + time.sleep(0.05); + bw = self.u.pull_ddc_bw(); + sr = self.u.pull_ddc_samp_rate(); + fc = self.u.pull_rx_freq(); + + #self.snk.d_bandwidth = sr; + + print bw; + print sr; + print fc; + +# sys.exit(-1); + + try: + self.snk.set_frequency_range(self._freq, self._bandwidth) + except: + pass + + def set_amplifier_gain(self, amp): + self._amp_value = amp + self.amp.set_k(self._amp_value) + + def set_dc_gain(self, gain): + self.dc.set_taps(gain) + + def cancel_dc(self, state): + self.lock() + + if(state): + self.disconnect(self.u, self.amp) + self.connect(self.u, (self.dc_sub,0)) + self.connect(self.u, self.dc, (self.dc_sub,1)) + self.connect(self.dc_sub, self.amp) + else: + self.disconnect(self.dc_sub, self.amp) + self.disconnect(self.dc, (self.dc_sub,1)) + self.disconnect(self.u, self.dc) + self.disconnect(self.u, (self.dc_sub,0)) + self.connect(self.u, self.amp) + + self.unlock() + +def main (): + tb = my_top_block() + tb.start() + tb.u.start_data(); + tb.snk.exec_(); + +if __name__ == '__main__': + try: + main () + except KeyboardInterrupt: + pass + |