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add bladeRF hardware target for lte-softmodem (not tested with hardware)

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7466 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Navid Nikaein
2015-05-25 21:33:09 +00:00
parent 7b94edd81f
commit 1431fe214a
7 changed files with 350 additions and 5 deletions
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targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
+273
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@@ -0,0 +1,273 @@
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#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;
}
targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.h
+45
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@@ -0,0 +1,45 @@
#include <libbladeRF.h>
/*
enum brf_err_num{
BLADERF_ERR_MIN=0,
BLADERF_ERR_UNEXPECTED=-1,
BLADERF_ERR_RANGE=-2,
BLADERF_ERR_INVAL=-3,
BLADERF_ERR_MEM=-4,
BLADERF_ERR_IO=-5,
BLADERF_ERR_TIMEOUT=-6,
BLADERF_ERR_NODEV=-7,
BLADERF_ERR_UNSUPPORTED=-8,
BLADERF_ERR_MISALIGNED=-9,
BLADERF_ERR_CHECKSUM=-10,
BLADERF_ERR_NO_FILE=-11,
BLADERF_ERR_UPDATE_FPGA=-12,
BLADERF_ERR_UPDATE_FW=-13,
BLADERF_ERR_TIME_PAST=-14,
BLADERF_ERR_MAX=-15,
}
mapping brf_err_names[] = {
{"BLADERF_OK", BLADERF_ERR_MIN},
{"BLADERF_ERR_UNEXPECTED",BLADERF_ERR_UNEXPECTED},
{"BLADERF_ERR_RANGE",BLADERF_ERR_RANGE},
{"BLADERF_ERR_INVAL",BLADERF_ERR_INVAL},
{"BLADERF_ERR_MEM",BLADERF_ERR_MEM},
{"BLADERF_ERR_IO",BLADERF_ERR_IO},
{"BLADERF_ERR_TIMEOUT",BLADERF_ERR_TIMEOUT},
{"BLADERF_ERR_NODEV",BLADERF_ERR_NODEV},
{"BLADERF_ERR_UNSUPPORTED",BLADERF_ERR_UNSUPPORTED},
{"BLADERF_ERR_MISALIGNED",BLADERF_ERR_MISALIGNED},
{"BLADERF_ERR_CHECKSUM",BLADERF_ERR_CHECKSUM},
{"BLADERF_ERR_NO_FILE",BLADERF_ERR_NO_FILE},
{"BLADERF_ERR_UPDATE_FPGA",BLADERF_ERR_UPDATE_FPGA},
{"BLADERF_ERR_UPDATE_FW",BLADERF_ERR_UPDATE_FW},
{"BLADERF_ERR_TIME_PAST",BLADERF_ERR_TIME_PAST},
{NULL, BLADERF_ERR_MAX}
};
*/
/*
* func prototypes
*/
void brf_error(int status);
targets/ARCH/COMMON/common_lib.h
+3 -1
View File
@@ -54,6 +54,8 @@ typedef enum {
typedef struct {
//! Module ID for this configuration
int Mod_id;
// device log level
int log_level;
//! the sample rate for both transmit and receive.
double sample_rate;
//! number of samples per RX/TX packet (USRP + Ethernet)
@@ -71,7 +73,7 @@ typedef struct {
//! mode for rxgain (ExpressMIMO2)
rx_gain_t rxg_mode[4];
//! \brief Gain for RX in dB.
//! index: [0..rx_num_channels[
//! index: [0..rx_num_channels]
double rx_gain[4];
//! gain for TX in dB
double tx_gain[4];
targets/RT/USER/lte-softmodem.c
+1 -1
View File
@@ -2740,7 +2740,7 @@ int main( int argc, char **argv )
}
printf("Initializing openair0 ...");
openair0_cfg[0].log_level = glog_level;
if (openair0_device_init(&openair0, &openair0_cfg[0]) <0) {
printf("Exiting, cannot initialize device\n");
exit(-1);