Cedric Roux
7a724e7d2e
Conflicts: openair1/PHY/INIT/lte_init.c openair1/PHY/LTE_TRANSPORT/dci_tools.c openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c openair1/SCHED/phy_procedures_lte_eNb.c openair1/SCHED/phy_procedures_lte_ue.c openair1/SIMULATION/LTE_PHY/dlsim.c openair1/SIMULATION/RF/adc.c openair2/LAYER2/MAC/lte_transport_init.c targets/RT/USER/lte-softmodem.c targets/RT/USER/sched_dlsch.c targets/RT/USER/sched_rx_pdsch.c targets/RT/USER/sched_ulsch.c targets/SIMU/USER/oaisim.c
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/** openair0_lib : API to interface with ExpressMIMO kernel driver
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*
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* Authors: Matthias Ihmig <matthias.ihmig@mytum.de>, 2013
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* Raymond Knopp <raymond.knopp@eurecom.fr>
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*
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* Changelog:
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* 28.01.2013: Initial version
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*/
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#ifndef __OPENAIR0_LIB_H__
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#define __OPENAIR0_LIB_H__
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#include "pcie_interface.h"
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#include "openair_device.h"
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#include "common_lib.h"
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#include <pthread.h>
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#include <sched.h>
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#include <linux/sched.h>
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typedef enum {
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idle=0,
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waiting_for_synch,
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running
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} exmimo_daq_state_t;
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typedef struct {
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pthread_t watchdog;
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pthread_attr_t watchdog_attr;
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struct sched_param watchdog_sched_param;
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pthread_mutex_t watchdog_mutex;
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int watchdog_exit;
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int wait_first_read;
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exmimo_daq_state_t daq_state;
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openair0_timestamp ts;
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openair0_timestamp last_ts_rx;
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int samples_per_tick;
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int samples_per_frame;
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int last_mbox;
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} exmimo_state_t;
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// Use this to access shared memory (configuration structures, adc/dac data buffers, ...)
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// contains userspace pointers
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extern exmimo_pci_interface_bot_virtual_t openair0_exmimo_pci[MAX_CARDS];
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extern int openair0_fd;
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extern int openair0_num_antennas[MAX_CARDS];
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extern int openair0_num_detected_cards;
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// opens device and mmaps kernel memory and calculates interface and system_id userspace pointers
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// return 0 on success
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int openair0_open(void);
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// close device and unmaps kernel memory
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// return 0 on success
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int openair0_close(void);
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// trigger config update on card
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// return 0 on success
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int openair0_dump_config(int card);
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// wrapper function for openair0_open (defined in common_lib.h)
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// int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cfg);
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// copies data from openair0_cfg into exmimo_config and calls openair0_dump_config (for all cards)
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int openair0_config(openair0_config_t *openair0_cfg, int UE_flag);
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// copies data from openair0_cfg into exmimo_config (frequencies and gains only); does not call openair0_dump_configu (no IOCTL)
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int openair0_reconfig(openair0_config_t *openair0_cfg);
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// triggers recording of exactly 1 frame
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// in case of synchronized multiple cards, send this only to the master card
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// return 0 on success
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int openair0_get_frame(int card);
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// starts continuous acquisition/transmission
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// in case of synchronized multiple cards, send this only to the master card
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// return 0 on success
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int openair0_start_rt_acquisition(int card);
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// stops continuous acquitision/transmission and reset the RF chips
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// return 0 on success
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int openair0_stop(int card);
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// stops continuous acquitision/transmission without resetting the RF chips
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// return 0 on success
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int openair0_stop_without_reset(int card);
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// return the DAQ block counter
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unsigned int *openair0_daq_cnt(void);
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// set the TX and RX frequencies (card 0 only for now, to retain USRP compatibility)
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int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg,int exmimo_dump_config);
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int openair0_set_gains(openair0_device* device, openair0_config_t *openair0_cfg);
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#endif
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