#include <stdint.h>
#include <openair1/PHY/impl_defs_top.h>
#include <targets/ARCH/COMMON/common_lib.h>
#include <executables/softmodem-common.h>
#include <openair1/PHY/TOOLS/calibration_scope.h>
volatile int oai_exit=false;
unsigned int mmapped_dma=0;
int single_thread_flag;
uint32_t timing_advance;
int8_t threequarter_fs;
uint64_t downlink_frequency[MAX_NUM_CCs][4];
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
int opp_enabled;
static double snr_dB=20;
THREAD_STRUCT thread_struct;
uint32_t target_ul_mcs = 9;
uint32_t target_dl_mcs = 9;
uint64_t dlsch_slot_bitmap = (1<<1);
uint64_t ulsch_slot_bitmap = (1<<8);
uint32_t target_ul_bw = 50;
uint32_t target_dl_bw = 50;
#include <executables/nr-softmodem.h>
int read_recplayconfig(recplay_conf_t **recplay_conf, recplay_state_t **recplay_state) {return 0;}
void nfapi_setmode(nfapi_mode_t nfapi_mode) {}
void set_taus_seed(unsigned int seed_init){};
int main(int argc, char **argv) {
///static configuration for NR at the moment
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == NULL) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
set_softmodem_sighandler();
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
logInit();
paramdef_t cmdline_params[] = CMDLINE_PARAMS_DESC_GNB ;
CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP);
get_common_options(SOFTMODEM_GNB_BIT );
config_process_cmdline( cmdline_params,sizeof(cmdline_params)/sizeof(paramdef_t),NULL);
CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP);
configure_linux();
int N_RB=50;
int subCarrierFreq=30e3;
int sampling_rate=30.72e6;
int DFT=2048;
int TxAdvanceInDFTSize=12;
int antennas=1;
uint64_t freq=3619.200e6;
int rxGain=90;
int txGain=90;
int filterBand=40e6;
char * usrp_addrs="type=b200";
openair0_config_t openair0_cfg= {
//! Module ID for this configuration
.Mod_id=0,
//! device log level
.log_level=0,
//! duplexing mode
.duplex_mode=0,
//! number of downlink resource blocks
.num_rb_dl=N_RB,
//! number of samples per frame
.samples_per_frame=0,
//! the sample rate for both transmit and receive.
.sample_rate=sampling_rate,
//device is doing mmapped DMA transfers
.mmapped_dma=0,
//! offset in samples between TX and RX paths
.tx_sample_advance=0,
//! samples per packet on the fronthaul interface
.samples_per_packet=1024,
//! number of RX channels (=RX antennas)
.rx_num_channels=antennas,
//! number of TX channels (=TX antennas)
.tx_num_channels=antennas,
//! \brief Center frequency in Hz for RX.
//! index: [0..rx_num_channels[
.rx_freq={freq,freq,freq,freq},
//! \brief Center frequency in Hz for TX.
//! index: [0..rx_num_channels[ !!! see lte-ue.c:427 FIXME iterates over rx_num_channels
.tx_freq={freq,freq,freq,freq},
//! \brief memory
//! \brief Pointer to Calibration table for RX gains
.rx_gain_calib_table=NULL,
//! mode for rxgain (ExpressMIMO2)
.rxg_mode={0},
//! \brief Gain for RX in dB.
//! index: [0..rx_num_channels]
.rx_gain={rxGain,rxGain,rxGain,rxGain},
//! \brief Gain offset (for calibration) in dB
//! index: [0..rx_num_channels]
.rx_gain_offset={0},
//! gain for TX in dB
.tx_gain={txGain,txGain,txGain,txGain},
//! RX bandwidth in Hz
.rx_bw=filterBand,
//! TX bandwidth in Hz
.tx_bw=filterBand,
//! clock source
.clock_source=external,//internal gpsdo external
//! timing_source
.time_source=internal, //internal gpsdo external
//! Manual SDR IP address
//#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
.sdr_addrs=usrp_addrs,
//! Auto calibration flag
.autocal={0},
//! rf devices work with x bits iqs when oai have its own iq format
//! the two following parameters are used to convert iqs
.iq_txshift=0,
.iq_rxrescale=0,
//! Configuration file for LMS7002M
.configFilename="",
//! remote IP/MAC addr for Ethernet interface
.remote_addr="",
//! remote port number for Ethernet interface
.remote_port=0,
//! local IP/MAC addr for Ethernet interface (eNB/BBU, UE)
.my_addr=0,
//! local port number for Ethernet interface (eNB/BBU, UE)
.my_port=0,
//! record player configuration, definition in record_player.h
.recplay_mode=0,
.recplay_conf=NULL,
//! number of samples per tti
.samples_per_tti=0,
//! check for threequarter sampling rate
.threequarter_fs=0,
};
//-----------------------
openair0_device rfdevice= {
/*!tx write thread*/
//.write_thread={0},
/*!brief Module ID of this device */
.Mod_id=0,
/*!brief Component Carrier ID of this device */
.CC_id=0,
/*!brief Type of this device */
.type=NONE_DEV,
/*!brief Transport protocol type that the device supports (in case I/Q samples need to be transported) */
.transp_type=NONE_TP,
/*!brief Type of the device's host (RAU/RRU) */
.host_type=MIN_HOST_TYPE,
/* !brief RF frontend parameters set by application */
.openair0_cfg=NULL, //set by device_init
/* !brief ETH params set by application */
.eth_params=NULL,
//! record player data, definition in record_player.h
.recplay_state=NULL,
/* !brief Indicates if device already initialized */
.is_init=0,
/*!brief Can be used by driver to hold internal structure*/
.priv=NULL,
/* Functions API, which are called by the application*/
/*! \brief Called to start the transceiver. Return 0 if OK, < 0 if error
@param device pointer to the device structure specific to the RF hardware target
*/
.trx_start_func=NULL,
/*! \brief Called to configure the device
@param device pointer to the device structure specific to the RF hardware target
*/
.trx_config_func=NULL,
/*! \brief Called to send a request message between RAU-RRU on control port
@param device pointer to the device structure specific to the RF hardware target
@param msg pointer to the message structure passed between RAU-RRU
@param msg_len length of the message
*/
.trx_ctlsend_func=NULL,
/*! \brief Called to receive a reply message between RAU-RRU on control port
@param device pointer to the device structure specific to the RF hardware target
@param msg pointer to the message structure passed between RAU-RRU
@param msg_len length of the message
*/
.trx_ctlrecv_func=NULL,
/*! \brief Called to send samples to the RF target
@param device pointer to the device structure specific to the RF hardware target
@param timestamp The timestamp at whicch the first sample MUST be sent
@param buff Buffer which holds the samples (2 dimensional)
@param nsamps number of samples to be sent
@param number of antennas
@param flags flags must be set to TRUE if timestamp parameter needs to be applied
*/
.trx_write_func=NULL,
/*! \brief Called to send samples to the RF target
@param device pointer to the device structure specific to the RF hardware target
@param timestamp The timestamp at whicch the first sample MUST be sent
@param buff Buffer which holds the samples (1 dimensional)
@param nsamps number of samples to be sent
@param antenna_id index of the antenna if the device has multiple anteannas
@param flags flags must be set to TRUE if timestamp parameter needs to be applied
*/
.trx_write_func2=NULL,
/*! \brief Receive samples from hardware.
* Read \ref nsamps samples from each channel to buffers. buff[0] is the array for
* the first channel. *ptimestamp is the time at which the first sample
* was received.
* \param device the hardware to use
* \param[out] ptimestamp the time at which the first sample was received.
* \param[out] buff An array of pointers to buffers for received samples. The buffers must be large enough to hold the number of samples \ref nsamps.
* \param nsamps Number of samples. One sample is 2 byte I + 2 byte Q => 4 byte.
* \param num_antennas number of antennas from which to receive samples
* \returns the number of sample read
*/
.trx_read_func=NULL,
/*! \brief Receive samples from hardware, this version provides a single antenna at a time and returns.
* Read \ref nsamps samples from each channel to buffers. buff[0] is the array for
* the first channel. *ptimestamp is the time at which the first sample
* was received.
* \param device the hardware to use
* \param[out] ptimestamp the time at which the first sample was received.
* \param[out] buff A pointers to a buffer for received samples. The buffer must be large enough to hold the number of samples \ref nsamps.
* \param nsamps Number of samples. One sample is 2 byte I + 2 byte Q => 4 byte.
* \param antenna_id Index of antenna from which samples were received
* \returns the number of sample read
*/
.trx_read_func2=NULL,
/*! \brief print the device statistics
* \param device the hardware to use
* \returns 0 on success
*/
/*! \brief print the device statistics
* \param device the hardware to use
* \returns 0 on success
*/
.trx_get_stats_func=NULL,
/*! \brief Reset device statistics
* \param device the hardware to use
* \returns 0 in success
*/
.trx_reset_stats_func=NULL,
/*! \brief Terminate operation of the transceiver -- free all associated resources
* \param device the hardware to use
*/
.trx_end_func=NULL,
/*! \brief Stop operation of the transceiver
*/
.trx_stop_func=NULL,
/* Functions API related to UE*/
/*! \brief Set RX feaquencies
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \param exmimo_dump_config dump EXMIMO configuration
* \returns 0 in success
*/
.trx_set_freq_func=NULL,
/*! \brief Set gains
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
.trx_set_gains_func=NULL,
/*! \brief RRU Configuration callback
* \param idx RU index
* \param arg pointer to capabilities or configuration
*/
.configure_rru=NULL,
/*! \brief Pointer to generic RRU private information
*/
.thirdparty_priv=NULL,
.thirdparty_init=NULL,
/*! \brief Callback for Third-party RRU Cleanup routine
\param device the hardware configuration to use
*/
.thirdparty_cleanup=NULL,
/*! \brief Callback for Third-party start streaming routine
\param device the hardware configuration to use
*/
.thirdparty_startstreaming=NULL,
/*! \brief RRU Configuration callback
* \param idx RU index
* \param arg pointer to capabilities or configuration
*/
.trx_write_init=NULL,
/* \brief Get internal parameter
* \param id parameter to get
* \return a pointer to the parameter
*/
.get_internal_parameter=NULL,
};
openair0_device_load(&rfdevice,&openair0_cfg);
void ** samplesRx = (void **)malloc16(antennas* sizeof(struct complex16 *) );
void ** samplesTx = (void **)malloc16(antennas* sizeof(struct complex16 *) );
int fd=open(getenv("rftestInputFile"),O_RDONLY);
AssertFatal(fd>=0,"%s",strerror(errno));
for (int i=0; i<antennas; i++) {
samplesRx[i] = (int32_t *)malloc16_clear( DFT*sizeof(struct complex16) );
samplesTx[i] = (int32_t *)malloc16_clear( DFT*sizeof(struct complex16) );
}
CalibrationInitScope(samplesRx, &rfdevice);
openair0_timestamp timestamp=0;
rfdevice.trx_start_func(&rfdevice);
while(!oai_exit) {
for (int i=0; i<antennas; i++)
read(fd, samplesTx[i], DFT*sizeof(struct complex16));
int readBlockSize = rfdevice.trx_read_func(&rfdevice,
×tamp,
samplesRx,
DFT,
antennas);
int txs = rfdevice.trx_write_func(&rfdevice,
timestamp+TxAdvanceInDFTSize*DFT,
samplesTx,
DFT,
antennas,
0);
}
return 0;
}