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#ifndef __USRP_LIB_H
#define __USRP_LIB_H
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/** usrp_lib.h
*
* \author: bruno.mongazon-cazavet@nokia-bell-labs.com
*/
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "common/config/config_paramdesc.h"
#include "common/config/config_userapi.h"
#ifdef __cplusplus
extern "C"
{
#endif
#define CONFIG_OPT_RECPLAY "enable_recplay"
#define CONFIG_HLP_RECPLAY "Allow record player"
#define USRP_SECTION "device.usrp"
/* inclusion for device configuration */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* command line parameters for USRP record/playback */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define USRP_DEVICE_PARAMS_DESC { \
{CONFIG_OPT_RECPLAY, CONFIG_HLP_RECPLAY, PARAMFLAG_BOOL, uptr:&enable_recplay, defuintval:0, TYPE_UINT, 0} \
}
/* inclusions for record player */
#define RECPLAY_DISABLED 0
#define RECPLAY_RECORDMODE 1
#define RECPLAY_REPLAYMODE 2
#define BELL_LABS_IQ_HEADER 0xabababababababab
#define BELL_LABS_IQ_PER_SF 7680 // Up to 5MHz bw for now
#define BELL_LABS_IQ_BYTES_PER_SF (BELL_LABS_IQ_PER_SF * 4)
typedef struct {
int64_t header;
int64_t ts;
int64_t rfu1;
int64_t rfu2; // pad for 256 bits alignement required by AVX2
unsigned char samples[BELL_LABS_IQ_BYTES_PER_SF]; // iq's for one subframe
} iqrec_t;
#define DEF_NB_SF 120000 // default nb of sf or ms to capture (2 minutes at 5MHz)
#define DEF_SF_FILE "/tmp/iqfile" // default subframes file name
#define DEF_SF_DELAY_READ 700 // default read delay µs (860=real)
#define DEF_SF_DELAY_WRITE 15 // default write delay µs (15=real)
#define DEF_SF_NB_LOOP 5 // default nb loops
/* help strings definition for config options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
#define CONFIG_HLP_SF_FILE "Path of the file used for subframes record or replay"
#define CONFIG_HLP_SF_REC "Record subframes from USRP driver into a file for later replay"
#define CONFIG_HLP_SF_REP "Replay subframes into USRP driver from a file"
#define CONFIG_HLP_SF_MAX "Maximum count of subframes to be recorded in subframe file"
#define CONFIG_HLP_SF_LOOPS "Number of loops to replay of the entire subframes file"
#define CONFIG_HLP_SF_RDELAY "Delay in microseconds to read a subframe in replay mode"
#define CONFIG_HLP_SF_WDELAY "Delay in microseconds to write a subframe in replay mode"
/* keyword strings for config options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
#define CONFIG_OPT_SF_FILE "subframes-file"
#define CONFIG_OPT_SF_REC "subframes-record"
#define CONFIG_OPT_SF_REP "subframes-replay"
#define CONFIG_OPT_SF_MAX "subframes-max"
#define CONFIG_OPT_SF_LOOPS "subframes-loops"
#define CONFIG_OPT_SF_RDELAY "subframes-read-delay"
#define CONFIG_OPT_SF_WDELAY "subframes-write-delay"
#define USRP_RECPLAY_SECTION "device.recplay"
/* For information only - the macro is not usable in C++ */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* command line parameters for USRP record/playback */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define USRP_RECPLAY_PARAMS_DESC { \
{CONFIG_OPT_SF_FILE, CONFIG_HLP_SF_FILE, 0, strptr:(char **)((*recplay_state)->u_sf_filename), defstrval:DEF_SF_FILE, TYPE_STRING, 1024}, \
{CONFIG_OPT_SF_REC, CONFIG_HLP_SF_REC, PARAMFLAG_BOOL, uptr:&(u_sf_record), defuintval:0, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_REP, CONFIG_HLP_SF_REP, PARAMFLAG_BOOL, uptr:&(u_sf_replay), defuintval:0, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_MAX, CONFIG_HLP_SF_MAX, 0, uptr:&((*recplay_state)->u_sf_max), defintval:DEF_NB_SF, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_LOOPS, CONFIG_HLP_SF_LOOPS, 0, uptr:&((*recplay_state)->u_sf_loops), defintval:DEF_SF_NB_LOOP, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_RDELAY, CONFIG_HLP_SF_RDELAY, 0, uptr:&((*recplay_state)->u_sf_read_delay), defintval:DEF_SF_DELAY_READ, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_WDELAY, CONFIG_HLP_SF_WDELAY, 0, uptr:&((*recplay_state)->u_sf_write_delay), defintval:DEF_SF_DELAY_WRITE, TYPE_UINT, 0}, \
}/*! \brief USRP Configuration and state */
typedef struct {
FILE *pFile;
int mmapfd;
int iqfd;
int use_mmap; // default is to use mmap
size_t mapsize;
iqrec_t *ms_sample; // memory for all subframes
unsigned int nb_samples;
char u_sf_filename[1024]; // subframes file path
unsigned int u_sf_max ; // max number of recorded subframes
unsigned int u_sf_loops ; // number of loops in replay mode
unsigned int u_sf_read_delay; // read delay in replay mode
unsigned int u_sf_write_delay ; // write delay in replay mode
} recplay_state_t;
extern int read_usrpconfig(uint32_t *recplay_mode, recplay_state_t **recplay_state);
#ifdef __cplusplus
}
#endif
#endif // __USRP_LIB_H