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Add limited sweep mode

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This commit is contained in:
GravesJake
2018-11-07 10:49:49 -07:00
parent 31b83ef42b
commit 982770b25b
1 changed files with 15 additions and 3 deletions
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16
host/hackrf-tools/src/hackrf_sweep.c
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@ -106,6 +106,7 @@ int gettimeofday(struct timeval *tv, void* ignored) {
#endif #endif
uint32_t num_samples = SAMPLES_PER_BLOCK; uint32_t num_samples = SAMPLES_PER_BLOCK;
uint32_t num_sweeps = 0;
int num_ranges = 0; int num_ranges = 0;
uint16_t frequencies[MAX_SWEEP_RANGES*2]; uint16_t frequencies[MAX_SWEEP_RANGES*2];
int step_count; int step_count;
@ -179,6 +180,7 @@ uint32_t antenna_enable;
bool binary_output = false; bool binary_output = false;
bool ifft_output = false; bool ifft_output = false;
bool one_shot = false; bool one_shot = false;
bool finite_mode = false;
volatile bool sweep_started = false; volatile bool sweep_started = false;
int fftSize = 20; int fftSize = 20;
@ -245,6 +247,9 @@ int rx_callback(hackrf_transfer* transfer) {
if(one_shot) { if(one_shot) {
do_exit = true; do_exit = true;
} }
else if(finite_mode && sweep_count == num_sweeps) {
do_exit = true;
}
} }
sweep_started = true; sweep_started = true;
time_stamp = usb_transfer_time; time_stamp = usb_transfer_time;
@ -352,6 +357,7 @@ static void usage() {
fprintf(stderr, "\t[-n num_samples] # Number of samples per frequency, 8192-4294967296\n"); fprintf(stderr, "\t[-n num_samples] # Number of samples per frequency, 8192-4294967296\n");
fprintf(stderr, "\t[-w bin_width] # FFT bin width (frequency resolution) in Hz\n"); 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[-1] # one shot mode\n");
fprintf(stderr, "\t[-N num_sweeps] # Number of sweeps to perform\n");
fprintf(stderr, "\t[-B] # binary output\n"); fprintf(stderr, "\t[-B] # binary output\n");
fprintf(stderr, "\t[-I] # binary inverse FFT output\n"); fprintf(stderr, "\t[-I] # binary inverse FFT output\n");
fprintf(stderr, "\t-r filename # output file\n"); fprintf(stderr, "\t-r filename # output file\n");
@ -393,7 +399,7 @@ int main(int argc, char** argv) {
uint32_t requested_fft_bin_width; uint32_t requested_fft_bin_width;
while( (opt = getopt(argc, argv, "a:f:p:l:g:d:n:w:1BIr:h?")) != EOF ) { while( (opt = getopt(argc, argv, "a:f:p:l:g:d:n:N:w:1BIr:h?")) != EOF ) {
result = HACKRF_SUCCESS; result = HACKRF_SUCCESS;
switch( opt ) switch( opt )
{ {
@ -450,6 +456,11 @@ int main(int argc, char** argv) {
result = parse_u32(optarg, &num_samples); result = parse_u32(optarg, &num_samples);
break; break;
case 'N':
finite_mode = true;
result = parse_u32(optarg, &num_sweeps);
break;
case 'w': case 'w':
result = parse_u32(optarg, &requested_fft_bin_width); result = parse_u32(optarg, &requested_fft_bin_width);
fftSize = DEFAULT_SAMPLE_RATE_HZ / requested_fft_bin_width; fftSize = DEFAULT_SAMPLE_RATE_HZ / requested_fft_bin_width;
@ -693,7 +704,8 @@ int main(int argc, char** argv) {
fprintf(stderr, "Stop with Ctrl-C\n"); fprintf(stderr, "Stop with Ctrl-C\n");
while((hackrf_is_streaming(device) == HACKRF_TRUE) && (do_exit == false)) { while((hackrf_is_streaming(device) == HACKRF_TRUE) && (do_exit == false)) {
float time_difference; float time_difference;
sleep(1); // sleep(1);
usleep(50000);
gettimeofday(&time_now, NULL); gettimeofday(&time_now, NULL);