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hackrf_transfer: -h for help

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This commit is contained in:
Michael Ossmann
2015-10-11 10:11:13 -06:00
parent fca98545f3
commit f1210f07b8
1 changed files with 8 additions and 3 deletions
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11
host/hackrf-tools/src/hackrf_transfer.c
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@@ -425,7 +425,6 @@ int tx_callback(hackrf_transfer* transfer) {
static void usage() {
printf("Usage:\n");
printf("\t[-d serial_number] # Serial number of desired HackRF.\n");
printf("\t-r <filename> # Receive data into file (or \"-\" for stdout).\n");
printf("\t-t <filename> # Transmit data from file (or \"-\" for stdin).\n");
printf("\t-w # Receive data into file with WAV header and automatic name.\n");
@@ -450,7 +449,9 @@ static void usage() {
printf("\t[-n num_samples] # Number of samples to transfer (default is unlimited).\n");
printf("\t[-c amplitude] # CW signal source mode, amplitude 0-127 (DC value to DAC).\n");
printf("\t[-R] # Repeat TX mode (default is off) \n");
printf("\t[-b baseband_filter_bw_hz] # Set baseband filter bandwidth in MHz.\n\tPossible values: 1.75/2.5/3.5/5/5.5/6/7/8/9/10/12/14/15/20/24/28MHz, default < sample_rate_hz.\n" );
printf("\t[-b baseband_filter_bw_hz] # Set baseband filter bandwidth in MHz.\n\t # Possible values: 1.75/2.5/3.5/5/5.5/6/7/8/9/10/12/14/15/20/24/28MHz, default < sample_rate_hz.\n" );
printf("\t[-d serial_number] # Serial number of desired HackRF.\n");
printf("\t[-h] # this help\n");
}
static hackrf_device* device = NULL;
@@ -492,11 +493,15 @@ int main(int argc, char** argv) {
float time_diff;
unsigned int lna_gain=8, vga_gain=20, txvga_gain=0;
while( (opt = getopt(argc, argv, "wr:t:f:i:o:m:a:p:s:n:b:l:g:x:c:d:R")) != EOF )
while( (opt = getopt(argc, argv, "hwr:t:f:i:o:m:a:p:s:n:b:l:g:x:c:d:R")) != EOF )
{
result = HACKRF_SUCCESS;
switch( opt )
{
case 'h':
usage();
return 0;
case 'w':
receive_wav = true;
break;