mirror of https://github.com/PentHertz/srsLTE.git
Merged usrp_capture branch, switching from libsdrgui to new srsgui graphics library
This commit is contained in:
Paul Sutton
parent
1fb8999059
commit
b7a86a1663
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@ -1,40 +0,0 @@
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# - Try to find LIBSDRGUI
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# Once done this will define
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# LIBSDRGUI_FOUND - System has libsdrgui
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# LIBSDRGUI_INCLUDE_DIRS - The libsdrgui include directories
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# LIBSDRGUI_LIBRARIES - The libsdrgui library
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find_package(PkgConfig)
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pkg_check_modules(PC_LIBSDRGUI QUIET libsdrgui)
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set(LIBSDRGUI_DEFINITIONS ${PC_LIBSDRGUI_CFLAGS_OTHER})
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FIND_PATH(
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LIBSDRGUI_INCLUDE_DIRS
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NAMES libsdrgui/libsdrgui.h
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HINTS ${PC_LIBSDRGUI_INCLUDEDIR}
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${PC_LIBSDRGUI_INCLUDE_DIRS}
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$ENV{LIBSDRGUI_DIR}/include
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PATHS /usr/local/include
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/usr/include
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)
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FIND_LIBRARY(
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LIBSDRGUI_LIBRARIES
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NAMES sdrgui
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HINTS ${PC_LIBSDRGUI_LIBDIR}
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${CMAKE_INSTALL_PREFIX}/lib
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${CMAKE_INSTALL_PREFIX}/lib64
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$ENV{LIBSDRGUI_DIR}/lib
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PATHS /usr/local/lib
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/usr/local/lib64
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/usr/lib
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/usr/lib64
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)
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message(STATUS "LIBSDRGUI LIBRARIES " ${LIBSDRGUI_LIBRARIES})
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message(STATUS "LIBSDRGUI INCLUDE DIRS " ${LIBSDRGUI_INCLUDE_DIRS})
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBSDRGUI DEFAULT_MSG LIBSDRGUI_LIBRARIES LIBSDRGUI_INCLUDE_DIRS)
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MARK_AS_ADVANCED(LIBSDRGUI_LIBRARIES LIBSDRGUI_INCLUDE_DIRS)
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@ -0,0 +1,42 @@
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# - Try to find SRSGUI
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# Once done this will define
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# SRSGUI_FOUND - System has srsgui
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# SRSGUI_INCLUDE_DIRS - The srsgui include directories
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# SRSGUI_LIBRARIES - The srsgui library
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find_package(PkgConfig)
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pkg_check_modules(PC_SRSGUI QUIET srsgui)
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IF(NOT SRSGUI_FOUND)
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FIND_PATH(
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SRSGUI_INCLUDE_DIRS
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NAMES srsgui/srsgui.h
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HINTS ${PC_SRSGUI_INCLUDEDIR}
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${PC_SRSGUI_INCLUDE_DIRS}
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$ENV{SRSGUI_DIR}/include
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PATHS /usr/local/include
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/usr/include
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)
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FIND_LIBRARY(
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SRSGUI_LIBRARIES
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NAMES srsgui
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HINTS ${PC_SRSGUI_LIBDIR}
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${CMAKE_INSTALL_PREFIX}/lib
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${CMAKE_INSTALL_PREFIX}/lib64
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$ENV{SRSGUI_DIR}/lib
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PATHS /usr/local/lib
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/usr/local/lib64
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/usr/lib
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/usr/lib64
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)
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message(STATUS "SRSGUI LIBRARIES " ${SRSGUI_LIBRARIES})
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message(STATUS "SRSGUI INCLUDE DIRS " ${SRSGUI_INCLUDE_DIRS})
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SRSGUI DEFAULT_MSG SRSGUI_LIBRARIES SRSGUI_INCLUDE_DIRS)
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MARK_AS_ADVANCED(SRSGUI_LIBRARIES SRSGUI_INCLUDE_DIRS)
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ENDIF(NOT SRSGUI_FOUND)
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@ -62,13 +62,13 @@ ELSE(${CUHD_FIND} EQUAL -1)
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target_link_libraries(pdsch_enodeb cuhd)
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ENDIF(${CUHD_FIND} EQUAL -1)
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FIND_PACKAGE(LIBSDRGUI)
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IF(LIBSDRGUI_FOUND)
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include_directories(${LIBSDRGUI_INCLUDE_DIRS})
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target_link_libraries(pdsch_ue ${LIBSDRGUI_LIBRARIES})
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ELSE(LIBSDRGUI_FOUND)
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FIND_PACKAGE(SRSGUI)
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IF(SRSGUI_FOUND)
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include_directories(${SRSGUI_INCLUDE_DIRS})
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target_link_libraries(pdsch_ue ${SRSGUI_LIBRARIES})
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ELSE(SRSGUI_FOUND)
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SET_TARGET_PROPERTIES(pdsch_ue PROPERTIES COMPILE_DEFINITIONS "DISABLE_GRAPHICS")
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ENDIF(LIBSDRGUI_FOUND)
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ENDIF(SRSGUI_FOUND)
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#################################################################
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@ -56,7 +56,7 @@ cell_search_cfg_t cell_detect_config = {
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//#define STDOUT_COMPACT
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#ifndef DISABLE_GRAPHICS
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#include "libsdrgui/libsdrgui.h"
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#include "srsgui/srsgui.h"
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void init_plots();
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pthread_t plot_thread;
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sem_t plot_sem;
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@ -61,7 +61,7 @@ void usage(char *prog) {
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void parse_args(int argc, char **argv) {
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int opt;
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while ((opt = getopt(argc, argv, "agnvfo")) != -1) {
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while ((opt = getopt(argc, argv, "agrnvfo")) != -1) {
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switch (opt) {
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case 'o':
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output_file_name = argv[optind];
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@ -38,7 +38,7 @@ ELSE(${DISABLE_VOLK})
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FIND_PACKAGE(Volk)
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ENDIF(${DISABLE_VOLK})
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FIND_PACKAGE(LIBSDRGUI)
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FIND_PACKAGE(SRSGUI)
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########################################################################
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# Recurse subdirectories and compile all source files into the same lib
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@ -25,17 +25,27 @@
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LIST(FIND OPTIONAL_LIBS cuhd CUHD_FIND)
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FIND_PACKAGE(LIBSDRGUI)
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FIND_PACKAGE(SRSGUI)
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ADD_EXECUTABLE(pss_file pss_file.c)
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TARGET_LINK_LIBRARIES(pss_file srslte)
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IF(SRSGUI_FOUND)
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include_directories(${SRSGUI_INCLUDE_DIRS})
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target_link_libraries(pss_file ${SRSGUI_LIBRARIES})
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ELSE(SRSGUI_FOUND)
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SET_TARGET_PROPERTIES(pss_file PROPERTIES COMPILE_DEFINITIONS "DISABLE_GRAPHICS")
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ENDIF(SRSGUI_FOUND)
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IF(${CUHD_FIND} GREATER -1)
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ADD_EXECUTABLE(pss_usrp pss_usrp.c)
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TARGET_LINK_LIBRARIES(pss_usrp srslte cuhd)
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IF(LIBSDRGUI_FOUND)
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include_directories(${LIBSDRGUI_INCLUDE_DIRS})
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target_link_libraries(pss_usrp ${LIBSDRGUI_LIBRARIES})
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ELSE(LIBSDRGUI_FOUND)
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IF(SRSGUI_FOUND)
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include_directories(${SRSGUI_INCLUDE_DIRS})
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target_link_libraries(pss_usrp ${SRSGUI_LIBRARIES})
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ELSE(SRSGUI_FOUND)
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SET_TARGET_PROPERTIES(pss_usrp PROPERTIES COMPILE_DEFINITIONS "DISABLE_GRAPHICS")
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ENDIF(LIBSDRGUI_FOUND)
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ENDIF(SRSGUI_FOUND)
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ENDIF(${CUHD_FIND} GREATER -1)
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@ -0,0 +1,400 @@
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2014 The srsLTE Developers. See the
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* COPYRIGHT file at the top-level directory of this distribution.
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* A copy of the GNU Lesser General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include <math.h>
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#include <time.h>
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#include <stdbool.h>
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#include "srslte/srslte.h"
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#ifndef DISABLE_GRAPHICS
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void init_plots();
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void do_plots(float *corr, float energy, uint32_t size, cf_t ce[SRSLTE_PSS_LEN]);
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void do_plots_sss(float *corr_m0, float *corr_m1);
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void destroy_plots();
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#endif
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bool disable_plots = false;
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char *input_file_name;
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int cell_id = -1;
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int nof_frames = -1;
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uint32_t fft_size=64;
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float threshold = 0.4;
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int N_id_2_sync = -1;
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srslte_cp_t cp=SRSLTE_SRSLTE_CP_NORM;
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void usage(char *prog) {
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printf("Usage: %s [nlestdv] -i cell_id -f input_file_name\n", prog);
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printf("\t-n nof_frames [Default %d]\n", nof_frames);
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printf("\t-l N_id_2 to sync [Default use cell_id]\n");
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printf("\t-e Extended CP [Default Normal]\n", fft_size);
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printf("\t-s symbol_sz [Default %d]\n", fft_size);
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printf("\t-t threshold [Default %.2f]\n", threshold);
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#ifndef DISABLE_GRAPHICS
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printf("\t-d disable plots [Default enabled]\n");
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#else
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printf("\t plots are disabled. Graphics library not available\n");
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#endif
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printf("\t-v srslte_verbose\n");
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}
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void parse_args(int argc, char **argv) {
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int opt;
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while ((opt = getopt(argc, argv, "nlestdvif")) != -1) {
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switch (opt) {
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case 'f':
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input_file_name = argv[optind];
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break;
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case 't':
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threshold = atof(argv[optind]);
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break;
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case 'e':
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cp = SRSLTE_SRSLTE_CP_EXT;
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break;
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case 'i':
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cell_id = atoi(argv[optind]);
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break;
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case 'l':
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N_id_2_sync = atoi(argv[optind]);
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break;
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case 's':
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fft_size = atoi(argv[optind]);
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break;
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case 'n':
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nof_frames = atoi(argv[optind]);
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break;
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case 'd':
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disable_plots = true;
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break;
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case 'v':
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srslte_verbose++;
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break;
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default:
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usage(argv[0]);
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exit(-1);
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}
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}
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if (cell_id < 0) {
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usage(argv[0]);
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exit(-1);
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}
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}
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float m0_value, m1_value;
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int main(int argc, char **argv) {
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srslte_filesource_t fsrc;
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cf_t *buffer;
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int frame_cnt, n;
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srslte_pss_synch_t pss;
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srslte_cfo_t cfocorr, cfocorr64;
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srslte_sss_synch_t sss;
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int32_t flen;
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int peak_idx, last_peak;
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float peak_value;
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float mean_peak;
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uint32_t nof_det, nof_nodet, nof_nopeak, nof_nopeakdet;
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cf_t ce[SRSLTE_PSS_LEN];
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parse_args(argc, argv);
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if (N_id_2_sync == -1) {
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N_id_2_sync = cell_id%3;
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}
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uint32_t N_id_2 = cell_id%3;
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uint32_t N_id_1 = cell_id/3;
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#ifndef DISABLE_GRAPHICS
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if (!disable_plots)
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init_plots();
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#endif
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flen = 4800*(fft_size/64);
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buffer = malloc(sizeof(cf_t) * flen * 2);
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if (!buffer) {
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perror("malloc");
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exit(-1);
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}
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if (srslte_pss_synch_init_fft(&pss, flen, fft_size)) {
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fprintf(stderr, "Error initiating PSS\n");
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exit(-1);
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}
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if (srslte_pss_synch_set_N_id_2(&pss, N_id_2_sync)) {
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fprintf(stderr, "Error setting N_id_2=%d\n",N_id_2_sync);
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exit(-1);
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}
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srslte_cfo_init(&cfocorr, flen);
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srslte_cfo_init(&cfocorr64, flen);
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if (srslte_sss_synch_init(&sss, fft_size)) {
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fprintf(stderr, "Error initializing SSS object\n");
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return SRSLTE_ERROR;
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}
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srslte_sss_synch_set_N_id_2(&sss, N_id_2);
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printf("Opening file...\n");
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if (srslte_filesource_init(&fsrc, input_file_name, SRSLTE_COMPLEX_FLOAT_BIN)) {
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fprintf(stderr, "Error opening file %s\n", input_file_name);
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exit(-1);
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}
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printf("N_id_2: %d\n", N_id_2);
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printf("Frame length %d samples\n", flen);
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printf("PSS detection threshold: %.2f\n", threshold);
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nof_det = nof_nodet = nof_nopeak = nof_nopeakdet = 0;
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frame_cnt = 0;
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last_peak = 0;
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mean_peak = 0;
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int peak_offset = 0;
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float cfo;
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float mean_cfo = 0;
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uint32_t m0, m1;
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uint32_t sss_error1 = 0, sss_error2 = 0, sss_error3 = 0;
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uint32_t cp_is_norm = 0;
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|
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srslte_sync_t ssync;
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bzero(&ssync, sizeof(srslte_sync_t));
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ssync.fft_size = fft_size;
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|
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while(frame_cnt < nof_frames || nof_frames == -1) {
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n = srslte_filesource_read(&fsrc, buffer, flen - peak_offset);
|
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if (n < 0) {
|
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fprintf(stderr, "Error reading samples\n");
|
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exit(-1);
|
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}
|
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if (n < flen - peak_offset) {
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fprintf(stdout, "End of file\n");
|
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break;
|
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}
|
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|
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peak_idx = srslte_pss_synch_find_pss(&pss, buffer, &peak_value);
|
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if (peak_idx < 0) {
|
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fprintf(stderr, "Error finding PSS peak\n");
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exit(-1);
|
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}
|
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|
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mean_peak = SRSLTE_VEC_CMA(peak_value, mean_peak, frame_cnt);
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|
||||
if (peak_value >= threshold) {
|
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nof_det++;
|
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|
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if (peak_idx >= fft_size) {
|
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|
||||
// Estimate CFO
|
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cfo = srslte_pss_synch_cfo_compute(&pss, &buffer[peak_idx-fft_size]);
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mean_cfo = SRSLTE_VEC_CMA(cfo, mean_cfo, frame_cnt);
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|
||||
// Correct CFO
|
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srslte_cfo_correct(&cfocorr, buffer, buffer, -mean_cfo / fft_size);
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// Estimate channel
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if (srslte_pss_synch_chest(&pss, &buffer[peak_idx-fft_size], ce)) {
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fprintf(stderr, "Error computing channel estimation\n");
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exit(-1);
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}
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// Find SSS
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int sss_idx = peak_idx-2*fft_size-(SRSLTE_CP_ISNORM(cp)?SRSLTE_CP(fft_size, SRSLTE_SRSLTE_CP_NORM_LEN):SRSLTE_CP(fft_size, SRSLTE_SRSLTE_CP_EXT_LEN));
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if (sss_idx >= 0 && sss_idx < flen-fft_size) {
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srslte_sss_synch_m0m1_partial(&sss, &buffer[sss_idx], 3, NULL, &m0, &m0_value, &m1, &m1_value);
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if (srslte_sss_synch_N_id_1(&sss, m0, m1) != N_id_1) {
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sss_error2++;
|
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}
|
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INFO("Partial N_id_1: %d\n", srslte_sss_synch_N_id_1(&sss, m0, m1));
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srslte_sss_synch_m0m1_diff(&sss, &buffer[sss_idx], &m0, &m0_value, &m1, &m1_value);
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if (srslte_sss_synch_N_id_1(&sss, m0, m1) != N_id_1) {
|
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sss_error3++;
|
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}
|
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INFO("Diff N_id_1: %d\n", srslte_sss_synch_N_id_1(&sss, m0, m1));
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srslte_sss_synch_m0m1_partial(&sss, &buffer[sss_idx], 1, NULL, &m0, &m0_value, &m1, &m1_value);
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if (srslte_sss_synch_N_id_1(&sss, m0, m1) != N_id_1) {
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sss_error1++;
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}
|
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INFO("Full N_id_1: %d\n", srslte_sss_synch_N_id_1(&sss, m0, m1));
|
||||
}
|
||||
|
||||
// Estimate CP
|
||||
if (peak_idx > 2*(fft_size + SRSLTE_CP_EXT(fft_size))) {
|
||||
srslte_cp_t cp = srslte_sync_detect_cp(&ssync, buffer, peak_idx);
|
||||
if (SRSLTE_CP_ISNORM(cp)) {
|
||||
cp_is_norm++;
|
||||
}
|
||||
}
|
||||
|
||||
} else {
|
||||
INFO("No space for CFO computation. Frame starts at \n",peak_idx);
|
||||
}
|
||||
|
||||
if(srslte_sss_synch_subframe(m0,m1) == 0)
|
||||
{
|
||||
#ifndef DISABLE_GRAPHICS
|
||||
if (!disable_plots)
|
||||
do_plots_sss(sss.corr_output_m0, sss.corr_output_m1);
|
||||
#endif
|
||||
}
|
||||
|
||||
} else {
|
||||
nof_nodet++;
|
||||
}
|
||||
|
||||
if (frame_cnt > 100) {
|
||||
if (abs(last_peak-peak_idx) > 4) {
|
||||
if (peak_value >= threshold) {
|
||||
nof_nopeakdet++;
|
||||
}
|
||||
nof_nopeak++;
|
||||
}
|
||||
}
|
||||
|
||||
frame_cnt++;
|
||||
|
||||
printf("[%5d]: Pos: %5d, PSR: %4.1f (~%4.1f) Pdet: %4.2f, "
|
||||
"FA: %4.2f, CFO: %+4.1f KHz SSSmiss: %4.2f/%4.2f/%4.2f CPNorm: %.0f\%\r",
|
||||
frame_cnt,
|
||||
peak_idx,
|
||||
peak_value, mean_peak,
|
||||
(float) nof_det/frame_cnt,
|
||||
(float) nof_nopeakdet/frame_cnt, mean_cfo*15,
|
||||
(float) sss_error1/nof_det,(float) sss_error2/nof_det,(float) sss_error3/nof_det,
|
||||
(float) cp_is_norm/nof_det * 100);
|
||||
|
||||
if (SRSLTE_VERBOSE_ISINFO()) {
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
usleep(10000);
|
||||
|
||||
#ifndef DISABLE_GRAPHICS
|
||||
if (!disable_plots)
|
||||
do_plots(pss.conv_output_avg, pss.conv_output_avg[peak_idx], pss.fft_size+pss.frame_size-1, ce);
|
||||
#endif
|
||||
|
||||
last_peak = peak_idx;
|
||||
|
||||
}
|
||||
|
||||
srslte_pss_synch_free(&pss);
|
||||
free(buffer);
|
||||
srslte_filesource_free(&fsrc);
|
||||
#ifndef DISABLE_GRAPHICS
|
||||
if (!disable_plots)
|
||||
destroy_plots();
|
||||
#endif
|
||||
|
||||
printf("Ok\n");
|
||||
exit(0);
|
||||
}
|
||||
|
||||
extern cf_t *tmp2;
|
||||
|
||||
|
||||
/**********************************************************************
|
||||
* Plotting Functions
|
||||
***********************************************************************/
|
||||
#ifndef DISABLE_GRAPHICS
|
||||
|
||||
|
||||
#include "srsgui/srsgui.h"
|
||||
plot_real_t pssout;
|
||||
//plot_complex_t pce;
|
||||
|
||||
plot_real_t psss1;//, psss2;
|
||||
|
||||
float tmp[100000];
|
||||
cf_t tmpce[SRSLTE_PSS_LEN];
|
||||
|
||||
|
||||
void init_plots() {
|
||||
sdrgui_init();
|
||||
plot_real_init(&pssout);
|
||||
plot_real_setTitle(&pssout, "PSS xCorr");
|
||||
plot_real_setLabels(&pssout, "Index", "Absolute value");
|
||||
plot_real_setYAxisScale(&pssout, 0, 1);
|
||||
|
||||
/*
|
||||
plot_complex_init(&pce);
|
||||
plot_complex_setTitle(&pce, "Channel Estimates");
|
||||
plot_complex_setYAxisScale(&pce, Ip, -2, 2);
|
||||
plot_complex_setYAxisScale(&pce, Q, -2, 2);
|
||||
plot_complex_setYAxisScale(&pce, Magnitude, 0, 2);
|
||||
plot_complex_setYAxisScale(&pce, Phase, -M_PI, M_PI);
|
||||
*/
|
||||
|
||||
plot_real_init(&psss1);
|
||||
plot_real_setTitle(&psss1, "SSS xCorr m0");
|
||||
plot_real_setLabels(&psss1, "Index", "Absolute value");
|
||||
plot_real_setYAxisScale(&psss1, 0, 1);
|
||||
|
||||
/*
|
||||
plot_real_init(&psss2);
|
||||
plot_real_setTitle(&psss2, "SSS xCorr m1");
|
||||
plot_real_setLabels(&psss2, "Index", "Absolute value");
|
||||
plot_real_setYAxisScale(&psss2, 0, 1);
|
||||
*/
|
||||
|
||||
|
||||
}
|
||||
|
||||
void do_plots(float *corr, float energy, uint32_t size, cf_t ce[SRSLTE_PSS_LEN]) {
|
||||
srslte_vec_sc_prod_fff(corr,1./energy,tmp, size);
|
||||
plot_real_setNewData(&pssout, tmp, size);
|
||||
|
||||
// float norm = srslte_vec_avg_power_cf(ce, SRSLTE_PSS_LEN);
|
||||
// srslte_vec_sc_prod_cfc(ce, 1.0/sqrt(norm), tmpce, SRSLTE_PSS_LEN);
|
||||
|
||||
//plot_complex_setNewData(&pce, tmpce, SRSLTE_PSS_LEN);
|
||||
}
|
||||
|
||||
void do_plots_sss(float *corr_m0, float *corr_m1) {
|
||||
if (m0_value > 0)
|
||||
srslte_vec_sc_prod_fff(corr_m0,1./m0_value,corr_m0, SRSLTE_SSS_N);
|
||||
plot_real_setNewData(&psss1, corr_m0, SRSLTE_SSS_N);
|
||||
|
||||
// if (m1_value > 0)
|
||||
// srslte_vec_sc_prod_fff(corr_m1,1./m1_value,corr_m1, SRSLTE_SSS_N);
|
||||
// plot_real_setNewData(&psss2, corr_m1, SRSLTE_SSS_N);
|
||||
}
|
||||
|
||||
void destroy_plots() {
|
||||
sdrgui_exit();
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
|
|
@ -335,7 +335,7 @@ extern cf_t *tmp2;
|
|||
#ifndef DISABLE_GRAPHICS
|
||||
|
||||
|
||||
#include "libsdrgui/libsdrgui.h"
|
||||
#include "srsgui/srsgui.h"
|
||||
plot_real_t pssout;
|
||||
//plot_complex_t pce;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue