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OSQZSS
parent
1cef6284d5
commit
06b11c9a8c
@ -27,11 +27,11 @@
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static int control_c_received = 0;
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static void control_c_handler (int sig, siginfo_t *siginfo, void *context){
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control_c_received = 1;
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control_c_received = 1;
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}
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static void print_usage(const char *progname){
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printf("Usage: %s [option] < file" "\n"
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printf("Usage: %s [option] < file" "\n"
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"\t" "-g <gain> or --gain <gain> with gain in [0.0 .. 1.0] set the so-called normalized RF gain in LimeSDR (default: 1.0 max RF power)" "\n"
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"\t" "-c <channel> or --channel <channel> with channel either 0 or 1 (default: 0)" "\n"
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"\t" "-a <antenna> or --antenna <antenna> with antenna in { 0, 1, 2 } (default:" STRINGIFY(DEFAULT_ANTENNA) ")" "\n"
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@ -39,53 +39,53 @@ static void print_usage(const char *progname){
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"\t" "-b <bits> or --bits <bits> select bit count in IQ sample in { 1, 8, 12, 16 }, (default: 16)" "\n"
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"\t" "-s <samplerate> or --samplerate <samplerate> configure BB sample rate (default: " STRINGIFY(TX_SAMPLERATE) ")" "\n"
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"\t" "-d <dynamic> --dynamic <dynamic> configure dynamic for the 1-bit mode (default: 2047, max 12-bit signed value supported by LimeSDR)" "\n"
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"Example:" "\n"
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"\t" "./limeplayer -s 1000000 -b 1 -d 1023 -g 0.1 < ../circle.1b.1M.bin" "\n", progname);
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exit(0);
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"Example:" "\n"
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"\t" "./limeplayer -s 1000000 -b 1 -d 1023 -g 0.1 < ../circle.1b.1M.bin" "\n", progname);
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exit(0);
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}
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int main(int argc, char *const argv[]){
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struct sigaction control_c;
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struct sigaction control_c;
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memset(&control_c, 0, sizeof(control_c));
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control_c.sa_sigaction = &control_c_handler;
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memset(&control_c, 0, sizeof(control_c));
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control_c.sa_sigaction = &control_c_handler;
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/* The SA_SIGINFO flag tells sigaction() to use the sa_sigaction field, not sa_handler. */
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control_c.sa_flags = SA_SIGINFO;
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/* The SA_SIGINFO flag tells sigaction() to use the sa_sigaction field, not sa_handler. */
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control_c.sa_flags = SA_SIGINFO;
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if (sigaction(SIGTERM, &control_c, NULL) < 0) {
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perror ("sigaction");
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return(EXIT_CODE_CONTROL_C);
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}
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if (sigaction(SIGQUIT, &control_c, NULL) < 0) {
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perror ("sigaction");
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return(EXIT_CODE_CONTROL_C);
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}
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if (sigaction(SIGINT, &control_c, NULL) < 0) {
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perror ("sigaction");
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return(EXIT_CODE_CONTROL_C);
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}
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if (sigaction(SIGTERM, &control_c, NULL) < 0) {
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perror ("sigaction");
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return(EXIT_CODE_CONTROL_C);
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}
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if (sigaction(SIGQUIT, &control_c, NULL) < 0) {
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perror ("sigaction");
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return(EXIT_CODE_CONTROL_C);
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}
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if (sigaction(SIGINT, &control_c, NULL) < 0) {
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perror ("sigaction");
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return(EXIT_CODE_CONTROL_C);
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}
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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 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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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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int32_t antenna = DEFAULT_ANTENNA;
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int32_t channel = 0;
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int32_t index = 0;
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int32_t bits = 16;
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double sampleRate = TX_SAMPLERATE;
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int32_t dynamic = 2047;
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double gain = 1.0;
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int32_t antenna = DEFAULT_ANTENNA;
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int32_t channel = 0;
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int32_t index = 0;
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int32_t bits = 16;
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double sampleRate = TX_SAMPLERATE;
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int32_t dynamic = 2047;
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while (1) {
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int option_index = 0;
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@ -109,7 +109,7 @@ int main(int argc, char *const argv[]){
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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, " with arg %s", optarg);
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fprintf(stderr, "\n");
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#endif
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@ -130,272 +130,272 @@ int main(int argc, char *const argv[]){
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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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case 'd':
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dynamic = strtol(optarg, NULL, 0);
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if(dynamic > 2047){
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dynamic = 2047;
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}
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break;
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default:
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print_usage(argv[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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case 'd':
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dynamic = strtol(optarg, NULL, 0);
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if(dynamic > 2047){
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dynamic = 2047;
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}
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break;
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default:
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print_usage(argv[0]);
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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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// 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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// 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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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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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 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 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 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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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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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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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("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("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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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){
|
||||
printf("setupStream=%d(%s)" "\n", setupStream, LMS_GetLastErrorMessage());
|
||||
}
|
||||
|
||||
struct s16iq_sample_s {
|
||||
signed short int i;
|
||||
signed short int q;
|
||||
};
|
||||
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);
|
||||
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);
|
||||
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((0 == control_c_received) && 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 = 0;
|
||||
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((0 == control_c_received) && 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 = 0;
|
||||
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)?dynamic:-dynamic;
|
||||
}
|
||||
}
|
||||
printf("1-bit mode: using dynamic=%d" "\n", dynamic);
|
||||
// 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((0 == control_c_received) && 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);
|
||||
}
|
||||
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((0 == control_c_received) && 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 = 0;
|
||||
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((0 == control_c_received) && 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 = 0;
|
||||
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)?dynamic:-dynamic;
|
||||
}
|
||||
}
|
||||
printf("1-bit mode: using dynamic=%d" "\n", dynamic);
|
||||
// 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((0 == control_c_received) && 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);
|
||||
LMS_StopStream(&tx_stream);
|
||||
LMS_DestroyStream(device, &tx_stream);
|
||||
|
||||
free(sampleBuffer);
|
||||
free(sampleBuffer);
|
||||
|
||||
LMS_EnableChannel(device, LMS_CH_TX, channel, false);
|
||||
LMS_Close(device);
|
||||
LMS_EnableChannel(device, LMS_CH_TX, channel, false);
|
||||
LMS_Close(device);
|
||||
|
||||
if(control_c_received){
|
||||
return(EXIT_CODE_CONTROL_C);
|
||||
}
|
||||
return(0);
|
||||
if(control_c_received){
|
||||
return(EXIT_CODE_CONTROL_C);
|
||||
}
|
||||
return(0);
|
||||
}
|
||||
|
||||
|
||||
@ -136,7 +136,7 @@ int main(int argc, char** argv) {
|
||||
printf("* Found %s\n", iio_context_info_get_description(info[0]));
|
||||
iio_context_info_list_free(info);
|
||||
}
|
||||
iio_scan_context_destroy(scan_ctx);
|
||||
iio_scan_context_destroy(scan_ctx);
|
||||
}
|
||||
|
||||
printf("* Acquiring devices\n");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user