/*******************************************************************************
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 .
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/** bladerf_lib.c
*
* Author: navid nikaein
*/
#include
#include
#include
#include "bladerf_lib.h"
#include "common_lib.h"
#include "log.h"
#define SAMPLE_LEN samples_per_frame*sizeof(int32_t)
int num_devices=0;
/*These items configure the underlying asynch stream used by the the sync interface.
*/
unsigned int num_buffers;
unsigned int buffer_size;
unsigned int num_transfers;
unsigned int timeout_ms;
int trx_brf_init(openair0_device *openair0) {
}
struct bladerf * open_bladerf_from_serial(const char *serial) {
int status;
struct bladerf *dev;
struct bladerf_devinfo info;
/* Initialize all fields to "don't care" wildcard values.
*
* Immediately passing this to bladerf_open_with_devinfo() would cause
* libbladeRF to open any device on any available backend. */
bladerf_init_devinfo(&info);
/* Specify the desired device's serial number, while leaving all other
* fields in the info structure wildcard values */
strncpy(info.serial, serial, BLADERF_SERIAL_LENGTH - 1);
info.serial[BLADERF_SERIAL_LENGTH - 1] = '\0';
status = bladerf_open_with_devinfo(&dev, &info);
if (status == BLADERF_ERR_NODEV) {
printf("No devices available with serial=%s\n", serial);
return NULL;
} else if (status != 0) {
fprintf(stderr, "Failed to open device with serial=%s (%s)\n", serial, bladerf_strerror(status));
return NULL;
} else {
return dev;
}
}
int trx_brf_start(openair0_device *openair0) {
}
int trx_brf_write(openair0_device *device,openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc) {
int status;
struct bladerf_metadata meta;
int16_t zeros[] = { 0, 0, 0, 0 };
struct bladerf *dev = (struct bladerf*) device->priv;
/* BRF has only 1 rx/tx chaine : is it correct? */
void *sample = (void*)buff[0];
/* Retrieve the current timestamp */
if ((status=bladerf_get_timestamp(dev, BLADERF_MODULE_TX, &meta.timestamp)) != 0) {
fprintf(stderr,"Failed to get current RX timestamp: %s\n",bladerf_strerror(status));
} else {
*ptimestamp = meta.timestamp;
printf("Current TX timestamp: 0x%016"PRIx64"\n", meta.timestamp);
}
meta.flags |= BLADERF_META_FLAG_RX_NOW;
status = bladerf_sync_tx(dev, sample, nsamps, &meta, timeout_ms);
if (status != 0) {
fprintf(stderr, "Failed to TX sample: %s\n", bladerf_strerror(status));
brf_error(status);
}
}
int trx_brf_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc) {
int status, ret;
struct bladerf_metadata meta;
unsigned int i;
struct bladerf *dev = (struct bladerf*) device->priv;
/* BRF has only onerx/tx chain: is it correct? */
void *sample = (void*)buff[0];
/* Retrieve the current timestamp */
if ((status=bladerf_get_timestamp(dev, BLADERF_MODULE_RX, &meta.timestamp)) != 0) {
fprintf(stderr,"Failed to get current RX timestamp: %s\n",bladerf_strerror(status));
} else {
*ptimestamp = meta.timestamp;
printf("Current RX timestamp: 0x%016"PRIx64"\n", meta.timestamp);
}
meta.flags |= BLADERF_META_FLAG_RX_NOW;
//fflush(stdout);
status = bladerf_sync_rx(dev, sample, nsamps, &meta, timeout_ms);
/*if (meta.actual_count < nsamps ) {
printf("[BRF][RX] received %d samples out of %d\n", meta.actual_count, nsamps);
}*/
if (status != 0) {
fprintf(stderr, "RX failed: %s\n", bladerf_strerror(status));
} else if (meta.status & BLADERF_META_STATUS_OVERRUN) {
fprintf(stderr, "Overrun detected in RX. %u valid samples were read \n", meta.actual_count);
} else if (meta.status & BLADERF_META_STATUS_UNDERRUN) {
fprintf(stderr, "Underrun detected in RX. %u valid samples were read \n", meta.actual_count);
}else {
printf("Got %u samples at t=0x%016"PRIx64"\n", meta.actual_count, meta.timestamp);
}
return meta.actual_count;
}
int trx_brf_end(openair0_device *device) {
int status;
struct bladerf *dev = (struct bladerf*) device->priv;
// Disable RX module, shutting down our underlying RX stream
if ((status=bladerf_enable_module(device->priv, BLADERF_MODULE_RX, false)) != 0) {
fprintf(stderr, "Failed to disable RX module: %s\n", bladerf_strerror(status));
}
if ((status=bladerf_enable_module(device->priv, BLADERF_MODULE_TX, false)) != 0) {
fprintf(stderr, "Failed to disable TX module: %s\n", bladerf_strerror(status));
}
bladerf_close(dev);
return 0;
}
//int openair0_device_brf_init(openair0_device *device, openair0_config_t *openair0_cfg) {
int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
int status;
int card=0;
//struct bladerf_version *version;
//printf("Opening the brf device (version %s)...\n", bladerf_version(version));
// opaque data struct
struct bladerf *dev;// = (struct bladerf*)malloc(sizeof(struct bladerf));
//memset(dev, 0, sizeof(struct bladerf));
if ((status=bladerf_open(&dev, "")) != 0 ) {
fprintf(stderr,"Failed to open brf device: %s\n",bladerf_strerror(status));
brf_error(status);
}
printf("[BRF] device speed is %d\n",bladerf_device_speed(dev) );
// RX
if ((status=bladerf_set_frequency(dev, BLADERF_MODULE_RX, openair0_cfg[card].rx_freq[0])) != 0){
fprintf(stderr,"Failed to set RX frequency: %s\n",bladerf_strerror(status));
brf_error(status);
}
if ((status=bladerf_set_sample_rate(dev, BLADERF_MODULE_RX, openair0_cfg[card].sample_rate, NULL)) != 0){
fprintf(stderr,"Failed to set RX sample rate: %s\n", bladerf_strerror(status));
brf_error(status);
}
if ((status=bladerf_set_bandwidth(dev, BLADERF_MODULE_RX, openair0_cfg[card].rx_bw, NULL)) != 0){
fprintf(stderr,"Failed to set RX bandwidth: %s\n", bladerf_strerror(status));
brf_error(status);
}
if ((status=bladerf_set_gain(dev, BLADERF_MODULE_RX, openair0_cfg[card].rx_gain[0])) != 0) {
fprintf(stderr,"Failed to set RX gain: %s\n",bladerf_strerror(status));
brf_error(status);
}
/* Configure the device's RX module for use with the sync interface.
* SC16 Q11 samples *with* metadata are used. */
if ((status=bladerf_sync_config(dev, BLADERF_MODULE_RX, BLADERF_FORMAT_SC16_Q11_META,num_buffers,buffer_size,num_transfers,timeout_ms)) != 0 ) {
fprintf(stderr,"Failed to configure RX sync interface: %s\n", bladerf_strerror(status));
brf_error(status);
}
/* We must always enable the RX module after calling bladerf_sync_config(), and
* before attempting to RX samples via bladerf_sync_rx(). */
if ((status=bladerf_enable_module(dev, BLADERF_MODULE_RX, true)) != 0) {
fprintf(stderr,"Failed to enable RX module: %s\n", bladerf_strerror(status));
brf_error(status);
}
// TX
if ((status=bladerf_set_frequency(dev, BLADERF_MODULE_TX, openair0_cfg[card].tx_freq[0])) != 0){
fprintf(stderr,"Failed to set TX frequency: %s\n",bladerf_strerror(status));
brf_error(status);
}
if ((status=bladerf_set_sample_rate(dev, BLADERF_MODULE_TX, openair0_cfg[card].sample_rate, NULL)) != 0){
fprintf(stderr,"Failed to set TX sample rate: %s\n", bladerf_strerror(status));
brf_error(status);
}
if ((status=bladerf_set_bandwidth(dev, BLADERF_MODULE_TX,openair0_cfg[card].tx_bw, NULL)) != 0){
fprintf(stderr, "Failed to set RX bandwidth: %s\n", bladerf_strerror(status));
brf_error(status);
}
if ((status=bladerf_set_gain(dev, BLADERF_MODULE_TX, openair0_cfg[card].tx_gain[0])) != 0) {
fprintf(stderr,"Failed to set TX gain: %s\n",bladerf_strerror(status));
brf_error(status);
}
/* Configure the device's TX module for use with the sync interface.
* SC16 Q11 samples *with* metadata are used. */
if ((status=bladerf_sync_config(dev, BLADERF_MODULE_TX,BLADERF_FORMAT_SC16_Q11_META,num_buffers,buffer_size,num_transfers,timeout_ms)) != 0 ) {
fprintf(stderr,"Failed to configure TX sync interface: %s\n", bladerf_strerror(status));
brf_error(status);
}
/* We must always enable the TX module after calling bladerf_sync_config(), and
* before attempting to TX samples via bladerf_sync_tx(). */
if ((status=bladerf_enable_module(dev, BLADERF_MODULE_TX, true)) != 0) {
fprintf(stderr,"Failed to enable TX module: %s\n", bladerf_strerror(status));
brf_error(status);
}
num_buffers = 16;
buffer_size = openair0_cfg[card].samples_per_packet*sizeof(int32_t);
num_transfers = 8; // ? device->openair0_cfg.samples_per_packets
timeout_ms = 1;
bladerf_log_set_verbosity(get_brf_log_level(openair0_cfg[card].log_level));
printf("BLADERF: Initializing openair0_device\n");
device->priv = dev;
device->Mod_id = num_devices++;
device->trx_start_func = trx_brf_start;
device->trx_end_func = trx_brf_end;
device->trx_read_func = trx_brf_read;
device->trx_write_func = trx_brf_write;
memcpy((void*)&device->openair0_cfg,(void*)openair0_cfg,sizeof(openair0_config_t));
}
void brf_error(int status) {
exit(-1);
}
int get_brf_log_level(int log_level){
int level=BLADERF_LOG_LEVEL_INFO;
switch(log_level) {
case LOG_DEBUG:
level=BLADERF_LOG_LEVEL_DEBUG;
break;
case LOG_INFO:
level= BLADERF_LOG_LEVEL_INFO;
break;
case LOG_WARNING:
level=BLADERF_LOG_LEVEL_WARNING;
break;
case LOG_ERR:
level=BLADERF_LOG_LEVEL_ERROR;
break;
case LOG_CRIT:
level=BLADERF_LOG_LEVEL_CRITICAL;
break;
case LOG_EMERG:
level = BLADERF_LOG_LEVEL_SILENT;
break;
default:
break;
}
return level;
}