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cleaned up signal source mode

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This commit is contained in:
Michael Ossmann
2014-08-11 22:58:11 -06:00
parent 19bb8bfb5f
commit 31c82a879a
1 changed files with 8 additions and 8 deletions
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16
host/hackrf-tools/src/hackrf_transfer.c
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@ -300,7 +300,7 @@ FILE* fd = NULL;
volatile uint32_t byte_count = 0; volatile uint32_t byte_count = 0;
bool signalsource = false; bool signalsource = false;
uint32_t power_level = 1; uint32_t amplitude = 0;
bool receive = false; bool receive = false;
bool receive_wav = false; bool receive_wav = false;
@ -397,7 +397,7 @@ int tx_callback(hackrf_transfer* transfer) {
return 0; return 0;
} }
} else if (transceiver_mode == TRANSCEIVER_MODE_SS) { } else if (transceiver_mode == TRANSCEIVER_MODE_SS) {
/* Transmit SINE signal with specific powerlevel */ /* Transmit continuous wave with specific amplitude */
ssize_t bytes_read; ssize_t bytes_read;
byte_count += transfer->valid_length; byte_count += transfer->valid_length;
bytes_to_read = transfer->valid_length; bytes_to_read = transfer->valid_length;
@ -409,7 +409,7 @@ int tx_callback(hackrf_transfer* transfer) {
} }
for(i = 0;i<bytes_to_read;i++) for(i = 0;i<bytes_to_read;i++)
transfer->buffer[i] = power_level; transfer->buffer[i] = amplitude;
if (limit_num_samples && (bytes_to_xfer == 0)) { if (limit_num_samples && (bytes_to_xfer == 0)) {
return -1; return -1;
@ -445,7 +445,7 @@ static void usage() {
printf("\t[-s sample_rate_hz] # Sample rate in Hz (8/10/12.5/16/20MHz, default %sMHz).\n", printf("\t[-s sample_rate_hz] # Sample rate in Hz (8/10/12.5/16/20MHz, default %sMHz).\n",
u64toa((DEFAULT_SAMPLE_RATE_HZ/FREQ_ONE_MHZ),&ascii_u64_data1)); u64toa((DEFAULT_SAMPLE_RATE_HZ/FREQ_ONE_MHZ),&ascii_u64_data1));
printf("\t[-n num_samples] # Number of samples to transfer (default is unlimited).\n"); printf("\t[-n num_samples] # Number of samples to transfer (default is unlimited).\n");
printf("\t[-c power_level] # Signal source mode, power level, 0-255, dc value to DAC (default is 1).\n"); printf("\t[-c amplitude] # CW signal source mode, amplitude 0-127 (DC value to DAC).\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\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" );
} }
@ -487,7 +487,7 @@ int main(int argc, char** argv) {
float time_diff; float time_diff;
unsigned int lna_gain=8, vga_gain=20, txvga_gain=0; 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:z:")) != EOF ) while( (opt = getopt(argc, argv, "wr:t:f:i:o:m:a:p:s:n:b:l:g:x:c:")) != EOF )
{ {
result = HACKRF_SUCCESS; result = HACKRF_SUCCESS;
switch( opt ) switch( opt )
@ -567,7 +567,7 @@ int main(int argc, char** argv) {
case 'c': case 'c':
transmit = true; transmit = true;
signalsource = true; signalsource = true;
result = parse_u32(optarg, &power_level); result = parse_u32(optarg, &amplitude);
break; break;
default: default:
@ -742,8 +742,8 @@ int main(int argc, char** argv) {
if (signalsource) { if (signalsource) {
transceiver_mode = TRANSCEIVER_MODE_SS; transceiver_mode = TRANSCEIVER_MODE_SS;
if (power_level >255) { if (amplitude >127) {
printf("argument error: power level shall be in between 0 and 255.\n"); printf("argument error: amplitude shall be in between 0 and 128.\n");
usage(); usage();
return EXIT_FAILURE; return EXIT_FAILURE;
} }