Add an SDR player for LimeSDR.
This commit is contained in:
Arnaud ZANETTI
parent
6c88f8a1a9
commit
0f78b6ddcd
5
player/Makefile
Normal file
5
player/Makefile
Normal file
@ -0,0 +1,5 @@
|
||||
CC=gcc -g -Wall
|
||||
|
||||
limeplayer: limeplayer.c
|
||||
$(CC) -o limeplayer limeplayer.c -lLimeSuite
|
||||
|
||||
340
player/limeplayer.c
Normal file
340
player/limeplayer.c
Normal file
@ -0,0 +1,340 @@
|
||||
#define _CRT_SECURE_NO_DEPRECATE
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <math.h>
|
||||
#include <time.h>
|
||||
#include <sys/time.h>
|
||||
#include <unistd.h>
|
||||
#include <getopt.h>
|
||||
|
||||
#include <lime/LimeSuite.h>
|
||||
|
||||
#define EXIT_CODE_NO_DEVICE (-1)
|
||||
#define EXIT_CODE_LMS_OPEN (-1)
|
||||
|
||||
#define TX_FREQUENCY 1575420000.0
|
||||
#define TX_SAMPLERATE 2500000.0
|
||||
#define TX_BANDWIDTH 5000000.0
|
||||
#define DEFAULT_ANTENNA 1 // antenna with BW [30MHz .. 2000MHz]
|
||||
|
||||
int main(int argc, char *const argv[]){
|
||||
int device_count = LMS_GetDeviceList(NULL);
|
||||
if(device_count < 1){
|
||||
return(EXIT_CODE_NO_DEVICE);
|
||||
}
|
||||
lms_info_str_t *device_list = malloc(sizeof(lms_info_str_t) * device_count);
|
||||
device_count = LMS_GetDeviceList(device_list);
|
||||
|
||||
int i = 0;
|
||||
while(i < device_count){
|
||||
// printf("device[%d/%d]=%s" "\n", i + 1, device_count, device_list[i]);
|
||||
i++;
|
||||
}
|
||||
|
||||
double gain = 1.0;
|
||||
int antenna = DEFAULT_ANTENNA;
|
||||
int channel = 0;
|
||||
int index = 0;
|
||||
int bits = 16;
|
||||
double sampleRate = TX_SAMPLERATE;
|
||||
|
||||
while (1) {
|
||||
int option_index = 0;
|
||||
static struct option long_options[] = {
|
||||
{"gain", required_argument, 0, 'g' },
|
||||
{"channel", required_argument, 0, 'c' },
|
||||
{"antenna", required_argument, 0, 'a' },
|
||||
{"index", required_argument, 0, 'i'},
|
||||
{"bits", required_argument, 0, 'b'},
|
||||
{"samplerate", required_argument, 0, 's'},
|
||||
{0, 0, 0, 0 }
|
||||
};
|
||||
|
||||
int c = getopt_long(argc, argv, "g:c:a:i:s:b:", long_options, &option_index);
|
||||
if (c == -1)
|
||||
break;
|
||||
|
||||
switch (c) {
|
||||
case 0:
|
||||
#if 1
|
||||
fprintf(stderr, "option %s", long_options[option_index].name);
|
||||
if (optarg)
|
||||
fprintf(stderr, " with arg %s", optarg);
|
||||
fprintf(stderr, "\n");
|
||||
#endif
|
||||
|
||||
break;
|
||||
|
||||
case 'a':
|
||||
antenna = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'b':
|
||||
bits = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'c':
|
||||
channel = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 'g':
|
||||
gain = strtod(optarg, NULL);
|
||||
break;
|
||||
case 'i':
|
||||
index = strtol(optarg, NULL, 0);
|
||||
break;
|
||||
case 's':
|
||||
sampleRate = strtod(optarg, NULL);
|
||||
break;
|
||||
}
|
||||
}
|
||||
// Use correct values
|
||||
// Use existing device
|
||||
if(index < 0){
|
||||
index = 0;
|
||||
}
|
||||
if(index >= device_count){
|
||||
index = 0;
|
||||
}
|
||||
printf("Using device index %d [%s]" "\n", index, device_list[index]);
|
||||
|
||||
// Normalized gain shall be in [0.0 .. 1.0]
|
||||
if(gain < 0.0){
|
||||
gain = 0.0;
|
||||
}
|
||||
if(gain > 1.0){
|
||||
gain = 1.0;
|
||||
}
|
||||
printf("Using normalized gain %lf" "\n", gain);
|
||||
|
||||
|
||||
lms_device_t *device = NULL;
|
||||
|
||||
if(LMS_Open(&device, device_list[index], NULL)){
|
||||
return(EXIT_CODE_LMS_OPEN);
|
||||
}
|
||||
|
||||
int lmsReset = LMS_Reset(device);
|
||||
if(lmsReset){
|
||||
printf("lmsReset %d(%s)" "\n", lmsReset, LMS_GetLastErrorMessage());
|
||||
}
|
||||
int lmsInit = LMS_Init(device);
|
||||
if(lmsInit){
|
||||
printf("lmsInit %d(%s)" "\n", lmsInit, LMS_GetLastErrorMessage());
|
||||
}
|
||||
|
||||
int channel_count = LMS_GetNumChannels(device, LMS_CH_TX);
|
||||
// printf("Tx channel count %d" "\n", channel_count);
|
||||
if(channel < 0){
|
||||
channel = 0;
|
||||
}
|
||||
if(channel >= channel_count){
|
||||
channel = 0;
|
||||
}
|
||||
printf("Using channel %d" "\n", channel);
|
||||
|
||||
int antenna_count = LMS_GetAntennaList(device, LMS_CH_TX, channel, NULL);
|
||||
// printf("TX%d Channel has %d antenna(ae)" "\n", channel, antenna_count);
|
||||
lms_name_t antenna_name[antenna_count];
|
||||
if(antenna_count > 0){
|
||||
int i = 0;
|
||||
lms_range_t antenna_bw[antenna_count];
|
||||
LMS_GetAntennaList(device, LMS_CH_TX, channel, antenna_name);
|
||||
for(i = 0 ; i < antenna_count ; i++){
|
||||
LMS_GetAntennaBW(device, LMS_CH_TX, channel, i, antenna_bw + i);
|
||||
// printf("Channel %d, antenna [%s] has BW [%lf .. %lf] (step %lf)" "\n", channel, antenna_name[i], antenna_bw[i].min, antenna_bw[i].max, antenna_bw[i].step);
|
||||
}
|
||||
}
|
||||
if(antenna < 0){
|
||||
antenna = DEFAULT_ANTENNA;
|
||||
}
|
||||
if(antenna >= antenna_count){
|
||||
antenna = DEFAULT_ANTENNA;
|
||||
}
|
||||
// LMS_SetAntenna(device, LMS_CH_TX, channel, antenna); // SetLOFrequency should take care of selecting the proper antenna
|
||||
|
||||
LMS_SetNormalizedGain(device, LMS_CH_TX, channel, gain);
|
||||
// Disable all other channels
|
||||
LMS_EnableChannel(device, LMS_CH_TX, 1 - channel, false);
|
||||
LMS_EnableChannel(device, LMS_CH_RX, 0, false);
|
||||
LMS_EnableChannel(device, LMS_CH_RX, 1, false);
|
||||
// Enable our Tx channel
|
||||
LMS_EnableChannel(device, LMS_CH_TX, channel, true);
|
||||
|
||||
int setLOFrequency = LMS_SetLOFrequency(device, LMS_CH_TX, channel, TX_FREQUENCY);
|
||||
if(setLOFrequency){
|
||||
printf("setLOFrequency(%lf)=%d(%s)" "\n", TX_FREQUENCY, setLOFrequency, LMS_GetLastErrorMessage());
|
||||
}
|
||||
|
||||
#ifdef __USE_LPF__
|
||||
lms_range_t LPFBWRange;
|
||||
LMS_GetLPFBWRange(device, LMS_CH_TX, &LPFBWRange);
|
||||
// printf("TX%d LPFBW [%lf .. %lf] (step %lf)" "\n", channel, LPFBWRange.min, LPFBWRange.max, LPFBWRange.step);
|
||||
double LPFBW = TX_BANDWIDTH;
|
||||
if(LPFBW < LPFBWRange.min){
|
||||
LPFBW = LPFBWRange.min;
|
||||
}
|
||||
if(LPFBW > LPFBWRange.max){
|
||||
LPFBW = LPFBWRange.min;
|
||||
}
|
||||
int setLPFBW = LMS_SetLPFBW(device, LMS_CH_TX, channel, LPFBW);
|
||||
if(setLPFBW){
|
||||
printf("setLPFBW(%lf)=%d(%s)" "\n", LPFBW, setLPFBW, LMS_GetLastErrorMessage());
|
||||
}
|
||||
int enableLPF = LMS_SetLPF(device, LMS_CH_TX, channel, true);
|
||||
if(enableLPF){
|
||||
printf("enableLPF=%d(%s)" "\n", enableLPF, LMS_GetLastErrorMessage());
|
||||
}
|
||||
#endif
|
||||
|
||||
lms_range_t sampleRateRange;
|
||||
int getSampleRateRange = LMS_GetSampleRateRange(device, LMS_CH_TX, &sampleRateRange);
|
||||
if(getSampleRateRange){
|
||||
printf("getSampleRateRange=%d(%s)" "\n", getSampleRateRange, LMS_GetLastErrorMessage());
|
||||
}else{
|
||||
// printf("sampleRateRange [%lf MHz.. %lf MHz] (step=%lf Hz)" "\n", sampleRateRange.min / 1e6, sampleRateRange.max / 1e6, sampleRateRange.step);
|
||||
}
|
||||
|
||||
printf("Set sample rate to %lf ..." "\n", sampleRate);
|
||||
int setSampleRate = LMS_SetSampleRate(device, sampleRate, 0);
|
||||
if(setSampleRate){
|
||||
printf("setSampleRate=%d(%s)" "\n", setSampleRate, LMS_GetLastErrorMessage());
|
||||
}
|
||||
double actualHostSampleRate = 0.0;
|
||||
double actualRFSampleRate = 0.0;
|
||||
int getSampleRate = LMS_GetSampleRate(device, LMS_CH_TX, channel, &actualHostSampleRate, &actualRFSampleRate);
|
||||
if(getSampleRate){
|
||||
printf("getSampleRate=%d(%s)" "\n", getSampleRate, LMS_GetLastErrorMessage());
|
||||
}else{
|
||||
printf("actualRate %lf (Host) / %lf (RF)" "\n", actualHostSampleRate, actualRFSampleRate);
|
||||
}
|
||||
|
||||
printf("Calibrating ..." "\n");
|
||||
int calibrate = LMS_Calibrate(device, LMS_CH_TX, channel, TX_BANDWIDTH, 0);
|
||||
if(calibrate){
|
||||
printf("calibrate=%d(%s)" "\n", calibrate, LMS_GetLastErrorMessage());
|
||||
}
|
||||
|
||||
printf("Setup TX stream ..." "\n");
|
||||
lms_stream_t tx_stream = {.channel = channel, .fifoSize = 1024*1024, .throughputVsLatency = 0.5, .isTx = true, .dataFmt = LMS_FMT_I12};
|
||||
int setupStream = LMS_SetupStream(device, &tx_stream);
|
||||
if(setupStream){
|
||||
printf("setupStream=%d(%s)" "\n", setupStream, LMS_GetLastErrorMessage());
|
||||
}
|
||||
|
||||
struct s16iq_sample_s {
|
||||
signed short int i;
|
||||
signed short int q;
|
||||
};
|
||||
|
||||
int nSamples = (int)sampleRate / 100;
|
||||
struct s16iq_sample_s *sampleBuffer = (struct s16iq_sample_s*)malloc(sizeof(struct s16iq_sample_s) * nSamples);
|
||||
|
||||
LMS_StartStream(&tx_stream);
|
||||
|
||||
int loop = 0;
|
||||
if((12 == bits) || (16 == bits)){
|
||||
// File contains interleaved 16-bit IQ values, either with only 12-bit data, or with 16-bit data
|
||||
while(fread(sampleBuffer, sizeof(struct s16iq_sample_s), nSamples, stdin)){
|
||||
loop++;
|
||||
if(0 == (loop % 100)){
|
||||
struct timeval tv;
|
||||
gettimeofday(&tv, NULL);
|
||||
printf("gettimeofday()=> %ld:%06ld ; ", tv.tv_sec, tv.tv_usec);
|
||||
lms_stream_status_t status;
|
||||
LMS_GetStreamStatus(&tx_stream, &status); //Obtain TX stream stats
|
||||
printf("TX rate:%lf MB/s" "\n", status.linkRate / 1e6);
|
||||
}
|
||||
if(16 == bits){
|
||||
// Scale down to 12-bit
|
||||
// Quick and dirty, so -1 (0xFFFF) to -15 (0xFFF1) scale down to -1 instead of 0
|
||||
int i;
|
||||
while(i < nSamples){
|
||||
sampleBuffer[i].i >>= 4;
|
||||
sampleBuffer[i].q >>= 4;
|
||||
i++;
|
||||
}
|
||||
}
|
||||
int sendStream = LMS_SendStream(&tx_stream, sampleBuffer, nSamples, NULL, 1000);
|
||||
if(sendStream < 0){
|
||||
printf("sendStream %d(%s)" "\n", sendStream, LMS_GetLastErrorMessage());
|
||||
}
|
||||
}
|
||||
}else if(8 == bits){
|
||||
// File contains interleaved signed 8-bit IQ values
|
||||
struct s8iq_sample_s {
|
||||
signed char i;
|
||||
signed char q;
|
||||
};
|
||||
struct s8iq_sample_s *fileSamples = (struct s8iq_sample_s*)malloc(sizeof(struct s8iq_sample_s) * nSamples);
|
||||
while(fread(fileSamples, sizeof(struct s8iq_sample_s), nSamples, stdin)){
|
||||
loop++;
|
||||
if(0 == (loop % 100)){
|
||||
struct timeval tv;
|
||||
gettimeofday(&tv, NULL);
|
||||
printf("gettimeofday()=> %ld:%06ld ; ", tv.tv_sec, tv.tv_usec);
|
||||
lms_stream_status_t status;
|
||||
LMS_GetStreamStatus(&tx_stream, &status); //Obtain TX stream stats
|
||||
printf("TX rate:%lf MB/s" "\n", status.linkRate / 1e6);
|
||||
}
|
||||
// Up-Scale to 12-bit
|
||||
int i;
|
||||
while(i < nSamples){
|
||||
sampleBuffer[i].i = (fileSamples[i].i << 4);
|
||||
sampleBuffer[i].q = (fileSamples[i].q << 4);
|
||||
i++;
|
||||
}
|
||||
int sendStream = LMS_SendStream(&tx_stream, sampleBuffer, nSamples, NULL, 1000);
|
||||
if(sendStream < 0){
|
||||
printf("sendStream %d(%s)" "\n", sendStream, LMS_GetLastErrorMessage());
|
||||
}
|
||||
}
|
||||
free(fileSamples);
|
||||
}else if(1 == bits){
|
||||
// File contains interleaved signed 1-bit IQ values
|
||||
// Each byte is IQIQIQIQ
|
||||
int16_t expand_lut[256][8];
|
||||
int i, j;
|
||||
for (i=0; i<256; i++){
|
||||
for (j=0; j<8; j++){
|
||||
expand_lut[i][j] = ((i>>(7-j))&0x1)?1024:-1024;
|
||||
}
|
||||
}
|
||||
// printf("sizeof(expand_lut[][])=%d, sizeof(expand_lut[0])=%d" "\n", sizeof(expand_lut), sizeof(expand_lut[0]));
|
||||
int8_t *fileBuffer = (int8_t*)malloc(sizeof(int8_t) * nSamples);
|
||||
while(fread(fileBuffer, sizeof(int8_t), nSamples / 4, stdin)){
|
||||
loop++;
|
||||
if(0 == (loop % 100)){
|
||||
struct timeval tv;
|
||||
gettimeofday(&tv, NULL);
|
||||
printf("gettimeofday()=> %ld:%06ld ; ", tv.tv_sec, tv.tv_usec);
|
||||
lms_stream_status_t status;
|
||||
LMS_GetStreamStatus(&tx_stream, &status); //Obtain TX stream stats
|
||||
printf("TX rate:%lf MB/s" "\n", status.linkRate / 1e6);
|
||||
}
|
||||
// Expand
|
||||
int src = 0;
|
||||
int dst = 0;
|
||||
while(src < (nSamples / 4)){
|
||||
memcpy(sampleBuffer + dst, expand_lut + fileBuffer[src], sizeof(expand_lut[0]));
|
||||
dst += 4;
|
||||
src++;
|
||||
}
|
||||
int sendStream = LMS_SendStream(&tx_stream, sampleBuffer, nSamples, NULL, 1000);
|
||||
if(sendStream < 0){
|
||||
printf("sendStream %d(%s)" "\n", sendStream, LMS_GetLastErrorMessage());
|
||||
}
|
||||
}
|
||||
free(fileBuffer);
|
||||
}
|
||||
|
||||
LMS_StopStream(&tx_stream);
|
||||
LMS_DestroyStream(device, &tx_stream);
|
||||
|
||||
free(sampleBuffer);
|
||||
|
||||
LMS_EnableChannel(device, LMS_CH_TX, channel, false);
|
||||
LMS_Close(device);
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user