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