167 lines
5.0 KiB
C
167 lines
5.0 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
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Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
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*******************************************************************************/
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/*! \file common_lib.c
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* \brief common APIs for different RF frontend device
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* \author HongliangXU, Navid Nikaein
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* \date 2015
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* \version 0.2
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* \company Eurecom
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* \maintainer: navid.nikaein@eurecom.fr
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* \note
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* \warning
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*/
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#include <stdio.h>
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#include <strings.h>
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#include <dlfcn.h>
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#include <errno.h>
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#include <string.h>
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#include "common_lib.h"
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int set_device(openair0_device *device) {
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switch (device->type) {
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case EXMIMO_DEV:
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printf("[%s] has loaded EXPRESS MIMO device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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break;
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case USRP_DEV:
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printf("[%s] has loaded USRP device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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break;
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case BLADERF_DEV:
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printf("[%s] has loaded BLADERF device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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break;
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case NONE_DEV:
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printf("[%s] has not loaded a HW device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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break;
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default:
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printf("[%s] invalid HW device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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return -1;
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}
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return 0;
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}
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int set_transport(openair0_device *device) {
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switch (device->transp_type) {
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case ETHERNET_TP:
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printf("[%s] has loaded ETHERNET trasport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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return 0;
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break;
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case NONE_TP:
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printf("[%s] has not loaded a transport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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return 0;
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break;
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default:
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printf("[%s] invalid transport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
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return -1;
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break;
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}
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}
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/* FT: looking for the rh interface library and load it */
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int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, char *cfgfile, uint8_t flag) {
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void *lib_handle;
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oai_device_initfunc_t fp ;
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if (flag == RF_DEVICE) {
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lib_handle = dlopen(OAI_RF_LIBNAME, RTLD_LAZY);
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if (!lib_handle) {
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printf( "Unable to locate %s: HW device set to NONE_DEV.\n", OAI_RF_LIBNAME);
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return 0;
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}
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fp = dlsym(lib_handle,"device_init");
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if (fp != NULL ) {
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fp(device,openair0_cfg,cfgfile);
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} else {
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fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
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return -1;
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}
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} else {
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lib_handle = dlopen(OAI_TP_LIBNAME, RTLD_LAZY);
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if (!lib_handle) {
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printf( "Unable to locate %s: transport protocol set to NONE_TP.\n", OAI_TP_LIBNAME);
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return 0;
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}
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fp = dlsym(lib_handle,"transport_init");
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if (fp != NULL ) {
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fp(device,openair0_cfg,cfgfile);
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} else {
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fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
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return -1;
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}
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}
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return 0;
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}
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int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) {
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int rc;
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static char *cfgfile;
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uint8_t flag=RF_DEVICE;
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/* FT: rewritten for shared library, common, radio head interface implementation */
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rc=load_lib(device, openair0_cfg, NULL,flag);
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if ( rc >= 0) {
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if ( set_device(device) < 0) {
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fprintf(stderr, "%s %d:Unsupported radio head\n",__FILE__, __LINE__);
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return -1;
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}
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}
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return 0;
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}
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int openair0_transport_load(openair0_device *device, openair0_config_t *openair0_cfg) {
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int rc;
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static char *cfgfile;
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uint8_t flag=TRANSPORT_PROTOCOL;
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/* FT: rewritten for shared library, common, radio head interface implementation */
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rc=load_lib(device, openair0_cfg, NULL,flag);
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if ( rc >= 0) {
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if ( set_transport(device) < 0) {
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fprintf(stderr, "%s %d:Unsupported radio head\n",__FILE__, __LINE__);
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return -1;
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}
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}
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return 0;
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}
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