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hackrf_sweep output file support

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This commit is contained in:
Michael Ossmann
2017-02-15 16:20:35 -07:00
parent ae367880bf
commit 7cd8e5f7eb
1 changed files with 22 additions and 16 deletions
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38
host/hackrf-tools/src/hackrf_sweep.c
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@ -266,26 +266,26 @@ int rx_callback(hackrf_transfer* transfer) {
time_now = time(NULL);
fft_time = localtime(&time_now);
strftime(time_str, 50, "%Y-%m-%d, %H:%M:%S", fft_time);
printf("%s, %" PRIu64 ", %" PRIu64 ", %.2f, %u",
fprintf(fd, "%s, %" PRIu64 ", %" PRIu64 ", %.2f, %u",
time_str,
(uint64_t)(frequency),
(uint64_t)(frequency+DEFAULT_SAMPLE_RATE_HZ/4),
(float)fft_bin_width,
fftSize);
for(i=1+(fftSize*5)/8; (1+(fftSize*7)/8) > i; i++) {
printf(", %.2f", pwr[i]);
fprintf(fd, ", %.2f", pwr[i]);
}
printf("\n");
printf("%s, %" PRIu64 ", %" PRIu64 ", %.2f, %u",
fprintf(fd, "\n");
fprintf(fd, "%s, %" PRIu64 ", %" PRIu64 ", %.2f, %u",
time_str,
(uint64_t)(frequency+(DEFAULT_SAMPLE_RATE_HZ/2)),
(uint64_t)(frequency+((DEFAULT_SAMPLE_RATE_HZ*3)/4)),
(float)fft_bin_width,
fftSize);
for(i=1+fftSize/8; (1+(fftSize*3)/8) > i; i++) {
printf(", %.2f", pwr[i]);
fprintf(fd, ", %.2f", pwr[i]);
}
printf("\n");
fprintf(fd, "\n");
}
if(one_shot && ((uint64_t)(frequency+((DEFAULT_SAMPLE_RATE_HZ*3)/4))
>= (uint64_t)(FREQ_ONE_MHZ*frequencies[num_ranges*2-1]))) {
@ -308,6 +308,7 @@ static void usage() {
fprintf(stderr, "\t[-w bin_width] # FFT bin width (frequency resolution) in Hz\n");
fprintf(stderr, "\t[-1] # one shot mode\n");
fprintf(stderr, "\t[-B] # binary output\n");
fprintf(stderr, "\t-r filename # output file");
fprintf(stderr, "\n");
fprintf(stderr, "Output fields:\n");
fprintf(stderr, "\tdate, time, hz_low, hz_high, hz_bin_width, num_samples, dB, dB, . . .\n");
@ -334,11 +335,7 @@ void sigint_callback_handler(int signum) {
int main(int argc, char** argv) {
int opt, i, result = 0;
#ifdef _WIN32
const char* path = "nul";
#else
const char* path = "/dev/null";
#endif
const char* path = NULL;
const char* serial_number = NULL;
int exit_code = EXIT_SUCCESS;
struct timeval t_end;
@ -350,7 +347,7 @@ int main(int argc, char** argv) {
uint32_t freq_max = 6000;
while( (opt = getopt(argc, argv, "a:f:p:l:g:d:n:w:1Bh?")) != EOF ) {
while( (opt = getopt(argc, argv, "a:f:p:l:g:d:n:w:1Br:h?")) != EOF ) {
result = HACKRF_SUCCESS;
switch( opt )
{
@ -420,6 +417,10 @@ int main(int argc, char** argv) {
binary_output = true;
break;
case 'r':
path = optarg;
break;
case 'h':
case '?':
usage();
@ -519,9 +520,14 @@ int main(int argc, char** argv) {
usage();
return EXIT_FAILURE;
}
fd = fopen(path, "wb");
if( fd == NULL ) {
if((NULL == path) || (strcmp(path, "-") == 0)) {
fd = stdout;
} else {
fd = fopen(path, "wb");
}
if(NULL == fd) {
fprintf(stderr, "Failed to open file: %s\n", path);
return EXIT_FAILURE;
}
@ -532,7 +538,7 @@ int main(int argc, char** argv) {
usage();
return EXIT_FAILURE;
}
#ifdef _MSC_VER
SetConsoleCtrlHandler( (PHANDLER_ROUTINE) sighandler, TRUE );
#else