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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file common_lib.h
* \brief common APIs for different RF frontend device
* \author HongliangXU, Navid Nikaein
* \date 2015
* \version 0.2
* \company Eurecom
* \maintainer: navid.nikaein@eurecom.fr
* \note
* \warning
*/
#ifndef COMMON_LIB_H
#define COMMON_LIB_H
#include <stdint.h>
#include <sys/types.h>
/* name of shared library implementing the radio front end */
#define OAI_RF_LIBNAME "liboai_device.so"
/* name of shared library implementing the transport */
#define OAI_TP_LIBNAME "liboai_transpro.so"
/* flags for BBU to determine whether the attached radio head is local or remote */
#define BBU_LOCAL_RADIO_HEAD 0
#define BBU_REMOTE_RADIO_HEAD 1
typedef int64_t openair0_timestamp;
typedef volatile int64_t openair0_vtimestamp;
/*!\brief structrue holds the parameters to configure USRP devices*/
typedef struct openair0_device_t openair0_device;
#ifndef EXMIMO
#define MAX_CARDS 1
#endif
//#define USRP_GAIN_OFFSET (56.0) // 86 calibrated for USRP B210 @ 2.6 GHz to get equivalent RS EPRE in OAI to SMBV100 output
typedef enum {
max_gain=0,med_gain,byp_gain
} rx_gain_t;
typedef enum {
duplex_mode_TDD=1,duplex_mode_FDD=0
} duplex_mode_t;
/** @addtogroup _GENERIC_PHY_RF_INTERFACE_
* @{
*/
/*!\brief RF device types
*/
typedef enum {
MIN_RF_DEV_TYPE = 0,
/*!\brief device is ExpressMIMO */
EXMIMO_DEV,
/*!\brief device is USRP B200/B210*/
USRP_B200_DEV,
/*!\brief device is USRP X300/X310*/
USRP_X300_DEV,
/*!\brief device is BLADE RF*/
BLADERF_DEV,
/*!\brief device is LMSSDR (SoDeRa)*/
LMSSDR_DEV,
/*!\brief device is NONE*/
NONE_DEV,
MAX_RF_DEV_TYPE
} dev_type_t;
/*!\brief transport protocol types
*/
typedef enum {
MIN_TRANSP_TYPE = 0,
/*!\brief transport protocol ETHERNET */
ETHERNET_TP,
/*!\brief no transport protocol*/
NONE_TP,
MAX_TRANSP_TYPE
} transport_type_t;
/*!\brief openair0 device host type */
typedef enum {
MIN_HOST_TYPE = 0,
/*!\brief device functions within a BBU */
BBU_HOST,
/*!\brief device functions within a RRH */
RRH_HOST,
MAX_HOST_TYPE
}host_type_t;
/*! \brief RF Gain clibration */
typedef struct {
//! Frequency for which RX chain was calibrated
double freq;
//! Offset to be applied to RX gain
double offset;
} rx_gain_calib_table_t;
/*! \brief RF frontend parameters set by application */
typedef struct {
//! Module ID for this configuration
int Mod_id;
//! device log level
int log_level;
//! duplexing mode
duplex_mode_t duplex_mode;
//! number of downlink resource blocks
int num_rb_dl;
//! number of samples per frame
unsigned int samples_per_frame;
//! the sample rate for both transmit and receive.
double sample_rate;
//! number of samples per RX/TX packet (USRP + Ethernet)
unsigned int samples_per_packet;
//! delay in sending samples (write) due to hardware access, softmodem processing and fronthaul delay if exist
int tx_scheduling_advance;
//! offset in samples between TX and RX paths
int tx_sample_advance;
//! configurable tx thread lauch delay
int txlaunch_wait; /* 1 or 0 */
//! configurable tx thread lauch delay
int txlaunch_wait_slotcount;
//! number of RX channels (=RX antennas)
int rx_num_channels;
//! number of TX channels (=TX antennas)
int tx_num_channels;
//! \brief Center frequency in Hz for RX.
//! index: [0..rx_num_channels[
double rx_freq[4];
//! \brief Center frequency in Hz for TX.
//! index: [0..rx_num_channels[ !!! see lte-ue.c:427 FIXME iterates over rx_num_channels
double tx_freq[4];
//! \brief Pointer to Calibration table for RX gains
rx_gain_calib_table_t *rx_gain_calib_table;
//! mode for rxgain (ExpressMIMO2)
rx_gain_t rxg_mode[4];
//! \brief Gain for RX in dB.
//! index: [0..rx_num_channels]
double rx_gain[4];
//! \brief Gain offset (for calibration) in dB
//! index: [0..rx_num_channels]
double rx_gain_offset[4];
//! gain for TX in dB
double tx_gain[4];
//! RX bandwidth in Hz
double rx_bw;
//! TX bandwidth in Hz
double tx_bw;
//! Auto calibration flag
int autocal[4];
//! rf devices work with x bits iqs when oai have its own iq format
//! the two following parameters are used to convert iqs
int iq_txshift;
int iq_rxrescale;
//! remote IP/MAC addr for Ethernet interface
char *remote_addr;
//! remote port number for Ethernet interface
unsigned int remote_port;
//! local IP/MAC addr for Ethernet interface (eNB/BBU, UE)
char *my_addr;
//! local port number for Ethernet interface (eNB/BBU, UE)
unsigned int my_port;
//! Configuration file for LMS7002M
char *configFilename;
} openair0_config_t;
/*! \brief RF mapping */
typedef struct {
//! card id
int card;
//! rf chain id
int chain;
} openair0_rf_map;
typedef struct {
char *remote_addr;
//! remote port number for Ethernet interface
uint16_t remote_port;
//! local IP/MAC addr for Ethernet interface (eNB/BBU, UE)
char *my_addr;
//! local port number for Ethernet interface (eNB/BBU, UE)
uint16_t my_port;
//! local Ethernet interface (eNB/BBU, UE)
char *local_if_name;
//! tx_sample_advance for RF + ETH
uint8_t tx_sample_advance;
//! tx_scheduling_advance for RF + ETH
uint8_t tx_scheduling_advance;
//! iq_txshift for RF + ETH
uint8_t iq_txshift;
//! transport type preference (RAW/UDP)
uint8_t transp_preference;
//! radio front end preference (EXMIMO,USRP, BALDERF,LMSSDR)
uint8_t rf_preference;
} eth_params_t;
/*!\brief structure holds the parameters to configure USRP devices */
struct openair0_device_t {
/*!brief Module ID of this device */
int Mod_id;
/*!brief Type of this device */
dev_type_t type;
/*!brief Transport protocol type that the device suppports (in case I/Q samples need to be transported) */
transport_type_t transp_type;
/*!brief Type of the device's host (BBU/RRH) */
host_type_t host_type;
/* !brief RF frontend parameters set by application */
openair0_config_t *openair0_cfg;
/*!brief Can be used by driver to hold internal structure*/
void *priv;
/* 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
*/
int (*trx_start_func)(openair0_device *device);
/*! \brief Called to send a request message between BBU-RRH
@param device pointer to the device structure specific to the RF hardware target
@param msg pointer to the message structure passed between BBU-RRH
@param msg_len length of the message
*/
int (*trx_request_func)(openair0_device *device, void *msg, ssize_t msg_len);
/*! \brief Called to send a reply message between BBU-RRH
@param device pointer to the device structure specific to the RF hardware target
@param msg pointer to the message structure passed between BBU-RRH
@param msg_len length of the message
*/
int (*trx_reply_func)(openair0_device *device, void *msg, ssize_t msg_len);
/*! \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
@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
*/
int (*trx_write_func)(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps,int antenna_id, int flags);
/*! \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 antenna_id Index of antenna for which to receive samples
* \returns the number of sample read
*/
int (*trx_read_func)(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps,int antenna_id);
/*! \brief print the device statistics
* \param device the hardware to use
* \returns 0 on success
*/
int (*trx_get_stats_func)(openair0_device *device);
/*! \brief Reset device statistics
* \param device the hardware to use
* \returns 0 in success
*/
int (*trx_reset_stats_func)(openair0_device *device);
/*! \brief Terminate operation of the transceiver -- free all associated resources
* \param device the hardware to use
*/
void (*trx_end_func)(openair0_device *device);
/*! \brief Stop operation of the transceiver
* \param card RF Card to use
*/
int (*trx_stop_func)(int card);
/* 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
*/
int (*trx_set_freq_func)(openair0_device* device, openair0_config_t *openair0_cfg,int exmimo_dump_config);
/*! \brief Set gains
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int (*trx_set_gains_func)(openair0_device* device, openair0_config_t *openair0_cfg);
};
/* type of device init function, implemented in shared lib */
typedef int(*oai_device_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg);
/* type of transport init function, implemented in shared lib */
typedef int(*oai_transport_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params);
#ifdef __cplusplus
extern "C"
{
#endif
/*! \brief Initialize openair RF target. It returns 0 if OK */
int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg);
/*! \brief Initialize transport protocol . It returns 0 if OK */
int openair0_transport_load(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params);
/*! \brief Get current timestamp of USRP
* \param device the hardware to use
*/
openair0_timestamp get_usrp_time(openair0_device *device);
/*! \brief Set RX frequencies
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *openair0_cfg);
/*@}*/
#ifdef __cplusplus
}
#endif
#endif // COMMON_LIB_H