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tools: add gain control

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This commit is contained in:
Hoernchen
2013-05-30 13:01:31 +02:00
parent b7687c718f
commit 4c39d15a84
1 changed files with 22 additions and 3 deletions
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25
host/hackrf-tools/src/hackrf_transfer.c
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@ -318,6 +318,9 @@ static void usage() {
printf("\t-t <filename> # Transmit data from file.\n");
printf("\t[-f set_freq_hz] # Set Freq in Hz between [%lluMHz, %lluMHz[.\n", FREQ_MIN_HZ/FREQ_ONE_MHZ, FREQ_MAX_HZ/FREQ_ONE_MHZ);
printf("\t[-a set_amp] # Set Amp 1=Enable, 0=Disable.\n");
printf("\t[-l gain_db] # Set lna gain, 0-40dB, 8dB steps\n");
printf("\t[-i gain_db] # Set vga(if) gain, 0-62dB, 2dB steps\n");
printf("\t[-x gain_db] # Set TX vga gain, 0-47dB, 1dB steps\n");
printf("\t[-s sample_rate_hz] # Set sample rate in Hz (5/10/12.5/16/20MHz, default %lldMHz).\n", DEFAULT_SAMPLE_RATE_HZ/FREQ_ONE_MHZ);
printf("\t[-n num_samples] # Number of samples to transfer (default is unlimited).\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" );
@ -359,8 +362,9 @@ int main(int argc, char** argv) {
int exit_code = EXIT_SUCCESS;
struct timeval t_end;
float time_diff;
unsigned int lna_gain=8, vga_gain=20, txvga_gain=0;
while( (opt = getopt(argc, argv, "wr:t:f:a:s:n:b:")) != EOF )
while( (opt = getopt(argc, argv, "wr:t:f:a:s:n:b:l:i:x:")) != EOF )
{
result = HACKRF_SUCCESS;
switch( opt )
@ -389,6 +393,18 @@ int main(int argc, char** argv) {
result = parse_u32(optarg, &amp_enable);
break;
case 'l':
result = parse_u32(optarg, &lna_gain);
break;
case 'i':
result = parse_u32(optarg, &vga_gain);
break;
case 'x':
result = parse_u32(optarg, &txvga_gain);
break;
case 's':
sample_rate = true;
result = parse_u32(optarg, &sample_rate_hz);
@ -592,9 +608,12 @@ int main(int argc, char** argv) {
}
if( transceiver_mode == TRANSCEIVER_MODE_RX ) {
result = hackrf_start_rx(device, rx_callback, NULL);
result = hackrf_set_vga_gain(device, vga_gain);
result |= hackrf_set_lna_gain(device, lna_gain);
result |= hackrf_start_rx(device, rx_callback, NULL);
} else {
result = hackrf_start_tx(device, tx_callback, NULL);
result = hackrf_set_txvga_gain(device, txvga_gain);
result |= hackrf_start_tx(device, tx_callback, NULL);
}
if( result != HACKRF_SUCCESS ) {
printf("hackrf_start_?x() failed: %s (%d)\n", hackrf_error_name(result), result);