Sakthivel Velumani
4c42a20eaa
B200 with high clock drift will go out of sync within 280ms which was the default duration to sync in with iqrecorder. Now this value can be specified via cmd line so the user can change it according to needs.
147 lines
7.8 KiB
C
147 lines
7.8 KiB
C
#ifndef __RECORD_PLAYER_H
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#define __RECORD_PLAYER_H
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/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/** radio/COMMON/record-player.h
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*
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* \author: bruno.mongazon-cazavet@nokia-bell-labs.com
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*/
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "common/config/config_paramdesc.h"
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#include "common/config/config_userapi.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* inclusions for record player */
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#define RECPLAY_DISABLED 0
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#define RECPLAY_RECORDMODE 1
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#define RECPLAY_REPLAYMODE 2
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#define BELL_LABS_IQ_HEADER 0xabababababababab
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#define BELL_LABS_IQ_PER_SF 23040 // 23040 => 46080/2 slots => 3/4 40MHz (106 PRBs)
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#define BELL_LABS_IQ_BYTES_PER_SF (BELL_LABS_IQ_PER_SF * 4)
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#define OAIIQFILE_ID {'O', 'I','Q','F'}
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typedef struct {
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uint64_t devtype;
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uint64_t tx_sample_advance;
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double bw;
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unsigned int nbSamplesBlocks;
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char oaiid[4];
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} iqfile_header_t;
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typedef struct {
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int64_t header;
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int64_t ts;
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int64_t nbBytes;
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int64_t tv_sec; // nb of secs since EPOCH
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int64_t tv_usec; // nb of µsecs since EPOCH
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// pad for 512 bits alignement required by AVX512
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int64_t rfu2;
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int64_t rfu3;
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int64_t rfu4;
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} iqrec_t;
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#define DEF_NB_SF 120000 // default nb of sf or ms to capture (2 minutes at 5MHz)
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#define DEF_SF_FILE "/tmp/iqfile" // default subframes file name
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#define DEF_SF_DELAY_READ 700 // default read delay µs (860=real)
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#define DEF_SF_DELAY_WRITE 15 // default write delay µs (15=real)
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#define DEF_SF_NB_LOOP 5 // default nb loops
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#define DEF_F_SYNC 28 // default frames to sync in (280ms)
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/* help strings definition for config options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
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#define CONFIG_HLP_SF_FILE "Path of the file used for subframes record or replay"
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#define CONFIG_HLP_SF_REC "Record subframes from device driver into a file for later replay"
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#define CONFIG_HLP_SF_REP "Replay subframes from a file using the oai replay driver"
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#define CONFIG_HLP_SF_MAX "Maximum count of subframes to be recorded in subframe file"
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#define CONFIG_HLP_SF_LOOPS "Number of loops to replay of the entire subframes file"
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#define CONFIG_HLP_SF_RDELAY "Delay in microseconds to read a subframe in replay mode"
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#define CONFIG_HLP_SF_WDELAY "Delay in microseconds to write a subframe in replay mode"
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#define CONFIG_HLP_USE_MMAP "In replay mode, map iq file in memory before replaying"
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#define CONFIG_HLP_F_SYNC "Number of frames the synchronization is forced to complete. Some b200 with worser \
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internal clock drift will not be able to stay synchronized and will require value \
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lesser than 28. Lesser values will require faster machine."
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/* keyword strings for config options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
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#define CONFIG_OPT_SF_FILE "subframes-file"
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#define CONFIG_OPT_SF_REC "subframes-record"
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#define CONFIG_OPT_SF_REP "subframes-replay"
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#define CONFIG_OPT_SF_MAX "subframes-max"
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#define CONFIG_OPT_SF_LOOPS "subframes-loops"
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#define CONFIG_OPT_SF_RDELAY "subframes-read-delay"
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#define CONFIG_OPT_SF_WDELAY "subframes-write-delay"
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#define CONFIG_OPT_USE_MMAP "use-mmap"
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#define DEVICE_RECPLAY_SECTION "device.recplay"
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#define CONFIG_OPT_F_SYNC "sync-in-frames"
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/* For information only - the macro is not usable in C++ */
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/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
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/* command line parameters for USRP record/playback */
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/* optname helpstr paramflags XXXptr defXXXval type numelt */
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/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
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#define DEVICE_RECPLAY_PARAMS_DESC { \
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{CONFIG_OPT_SF_FILE, CONFIG_HLP_SF_FILE, 0, .strptr=&((*recplay_conf)->u_sf_filename), .defstrval=DEF_SF_FILE, TYPE_STRING, 0}, \
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{CONFIG_OPT_SF_REC, CONFIG_HLP_SF_REC, PARAMFLAG_BOOL, .uptr=&((*recplay_conf)->u_sf_record), .defuintval=0, TYPE_UINT, 0}, \
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{CONFIG_OPT_SF_REP, CONFIG_HLP_SF_REP, PARAMFLAG_BOOL, .uptr=&((*recplay_conf)->u_sf_replay), .defuintval=0, TYPE_UINT, 0}, \
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{CONFIG_OPT_SF_MAX, CONFIG_HLP_SF_MAX, 0, .uptr=&((*recplay_conf)->u_sf_max), .defintval=DEF_NB_SF, TYPE_UINT, 0}, \
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{CONFIG_OPT_SF_LOOPS, CONFIG_HLP_SF_LOOPS, 0, .uptr=&((*recplay_conf)->u_sf_loops), .defintval=DEF_SF_NB_LOOP, TYPE_UINT, 0}, \
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{CONFIG_OPT_SF_RDELAY, CONFIG_HLP_SF_RDELAY, 0, .uptr=&((*recplay_conf)->u_sf_read_delay), .defintval=DEF_SF_DELAY_READ, TYPE_UINT, 0}, \
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{CONFIG_OPT_SF_WDELAY, CONFIG_HLP_SF_WDELAY, 0, .uptr=&((*recplay_conf)->u_sf_write_delay), .defintval=DEF_SF_DELAY_WRITE, TYPE_UINT, 0}, \
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{CONFIG_OPT_USE_MMAP, CONFIG_HLP_USE_MMAP, PARAMFLAG_BOOL, .uptr=&((*recplay_conf)->use_mmap), .defuintval=1, TYPE_UINT, 0}, \
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{CONFIG_OPT_F_SYNC, CONFIG_HLP_F_SYNC, 0, .uptr=&((*recplay_conf)->u_f_sync), .defuintval=DEF_F_SYNC, TYPE_UINT, 0}, \
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}/*! \brief Record Player Configuration and state */
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typedef struct {
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char *u_sf_filename; // subframes file path
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unsigned int u_sf_max ; // max number of recorded subframes
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unsigned int u_sf_loops ; // number of loops in replay mode
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unsigned int u_sf_read_delay; // read delay in replay mode
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unsigned int u_sf_write_delay ; // write delay in replay mode
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unsigned int use_mmap; // default is to use mmap
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unsigned int u_sf_replay; // replay mode (if 1)
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unsigned int u_sf_record; // record mode (if 1)
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unsigned int u_f_sync; // number of frames sync will complete
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} recplay_conf_t;
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typedef struct {
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size_t mapsize;
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FILE *pFile;
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int fd;
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iqrec_t *ms_sample; // memory for all subframes
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unsigned int nbSamplesBlocks;
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uint8_t *currentPtr;
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uint64_t currentTs;
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unsigned int curSamplesBlock;
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int64_t wrap_count;
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size_t maxSizeBytes;
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} recplay_state_t;
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#ifdef __cplusplus
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}
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#endif
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#endif // __RECORD_PLAYER_H
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