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123 lines (111 loc) · 6.68 KB
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/*
* SPDX-License-Identifier: LicenseRef-CSSL-1.0
*/
#ifndef __RECORD_PLAYER_H
#define __RECORD_PLAYER_H
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef __cplusplus
extern "C"
{
#endif
/* 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 23040 // 23040 => 46080/2 slots => 3/4 40MHz (106 PRBs)
#define BELL_LABS_IQ_BYTES_PER_SF (BELL_LABS_IQ_PER_SF * 4)
#define OAIIQFILE_ID {'O', 'I','Q','F'}
typedef struct {
uint64_t devtype;
uint64_t tx_sample_advance;
double bw;
unsigned int nbSamplesBlocks;
char oaiid[4];
} iqfile_header_t;
typedef struct {
int64_t header;
int64_t ts;
int64_t nbBytes;
int64_t tv_sec; // nb of secs since EPOCH
int64_t tv_usec; // nb of µsecs since EPOCH
// pad for 512 bits alignement required by AVX512
int64_t rfu2;
int64_t rfu3;
int64_t rfu4;
} 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
#define DEF_F_SYNC 28 // default frames to sync in (280ms)
/* 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 device driver into a file for later replay"
#define CONFIG_HLP_SF_REP "Replay subframes from a file using the oai replay driver"
#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"
#define CONFIG_HLP_USE_MMAP "In replay mode, map iq file in memory before replaying"
#define CONFIG_HLP_F_SYNC "Number of frames the synchronization is forced to complete. Some b200 with worser \
internal clock drift will not be able to stay synchronized and will require value \
lesser than 28. Lesser values will require faster machine."
/* 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 CONFIG_OPT_USE_MMAP "use-mmap"
#define DEVICE_RECPLAY_SECTION "device.recplay"
#define CONFIG_OPT_F_SYNC "sync-in-frames"
/* 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 DEVICE_RECPLAY_PARAMS_DESC { \
{CONFIG_OPT_SF_FILE, CONFIG_HLP_SF_FILE, 0, .strptr=&((*recplay_conf)->u_sf_filename), .defstrval=DEF_SF_FILE, TYPE_STRING, 0}, \
{CONFIG_OPT_SF_REC, CONFIG_HLP_SF_REC, PARAMFLAG_BOOL, .uptr=&((*recplay_conf)->u_sf_record), .defuintval=0, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_REP, CONFIG_HLP_SF_REP, PARAMFLAG_BOOL, .uptr=&((*recplay_conf)->u_sf_replay), .defuintval=0, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_MAX, CONFIG_HLP_SF_MAX, 0, .uptr=&((*recplay_conf)->u_sf_max), .defintval=DEF_NB_SF, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_LOOPS, CONFIG_HLP_SF_LOOPS, 0, .uptr=&((*recplay_conf)->u_sf_loops), .defintval=DEF_SF_NB_LOOP, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_RDELAY, CONFIG_HLP_SF_RDELAY, 0, .uptr=&((*recplay_conf)->u_sf_read_delay), .defintval=DEF_SF_DELAY_READ, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_WDELAY, CONFIG_HLP_SF_WDELAY, 0, .uptr=&((*recplay_conf)->u_sf_write_delay), .defintval=DEF_SF_DELAY_WRITE, TYPE_UINT, 0}, \
{CONFIG_OPT_USE_MMAP, CONFIG_HLP_USE_MMAP, PARAMFLAG_BOOL, .uptr=&((*recplay_conf)->use_mmap), .defuintval=1, TYPE_UINT, 0}, \
{CONFIG_OPT_F_SYNC, CONFIG_HLP_F_SYNC, 0, .uptr=&((*recplay_conf)->u_f_sync), .defuintval=DEF_F_SYNC, TYPE_UINT, 0}, \
}/*! \brief Record Player Configuration and state */
typedef struct {
char *u_sf_filename; // 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
unsigned int use_mmap; // default is to use mmap
unsigned int u_sf_replay; // replay mode (if 1)
unsigned int u_sf_record; // record mode (if 1)
unsigned int u_f_sync; // number of frames sync will complete
} recplay_conf_t;
typedef struct {
size_t mapsize;
FILE *pFile;
int fd;
iqrec_t *ms_sample; // memory for all subframes
unsigned int nbSamplesBlocks;
uint8_t *currentPtr;
uint64_t currentTs;
unsigned int curSamplesBlock;
int64_t wrap_count;
size_t maxSizeBytes;
} recplay_state_t;
#ifdef __cplusplus
}
#endif
#endif // __RECORD_PLAYER_H