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added output description to hackrf_sweep help

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This commit is contained in:
Michael Ossmann
2017-02-07 20:25:21 -07:00
parent 05759ce1c8
commit c68aedef31
1 changed files with 7 additions and 4 deletions
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11
host/hackrf-tools/src/hackrf_sweep.c
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@ -276,15 +276,18 @@ int rx_callback(hackrf_transfer* transfer) {
static void usage() { static void usage() {
fprintf(stderr, "Usage:\n"); fprintf(stderr, "Usage:\n");
fprintf(stderr, "\t[-h] # this help\n"); fprintf(stderr, "\t[-h] # this help\n");
fprintf(stderr, "\t[-d serial_number] # Serial number of desired HackRF.\n"); fprintf(stderr, "\t[-d serial_number] # Serial number of desired HackRF\n");
fprintf(stderr, "\t[-a amp_enable] # RX RF amplifier 1=Enable, 0=Disable.\n"); fprintf(stderr, "\t[-a amp_enable] # RX RF amplifier 1=Enable, 0=Disable\n");
fprintf(stderr, "\t[-f freq_min:freq_max] # Specify minimum & maximum sweep frequencies (MHz).\n"); fprintf(stderr, "\t[-f freq_min:freq_max] # minimum and maximum frequencies in MHz\n");
fprintf(stderr, "\t[-p antenna_enable] # Antenna port power, 1=Enable, 0=Disable.\n"); fprintf(stderr, "\t[-p antenna_enable] # Antenna port power, 1=Enable, 0=Disable\n");
fprintf(stderr, "\t[-l gain_db] # RX LNA (IF) gain, 0-40dB, 8dB steps\n"); fprintf(stderr, "\t[-l gain_db] # RX LNA (IF) gain, 0-40dB, 8dB steps\n");
fprintf(stderr, "\t[-g gain_db] # RX VGA (baseband) gain, 0-62dB, 2dB steps\n"); fprintf(stderr, "\t[-g gain_db] # RX VGA (baseband) gain, 0-62dB, 2dB steps\n");
fprintf(stderr, "\t[-n num_samples] # Number of samples per frequency, 16384-4294967296\n"); fprintf(stderr, "\t[-n num_samples] # Number of samples per frequency, 16384-4294967296\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[-B] # binary output\n"); fprintf(stderr, "\t[-B] # binary output\n");
fprintf(stderr, "\n");
fprintf(stderr, "Output fields:\n");
fprintf(stderr, "\tdate, time, hz_low, hz_high, hz_bin_width, num_samples, dB, dB, . . .\n");
} }
static hackrf_device* device = NULL; static hackrf_device* device = NULL;