williamp/osmocom-analog
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Add tx-gain option

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This commit is contained in:
Andreas Eversberg
2020-06-14 20:59:41 +02:00
parent 49c4793106
commit ed72e29dbb
31 changed files with 71 additions and 57 deletions
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40
src/libmobile/main_mobile.c
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@@ -64,6 +64,7 @@ int uses_emphasis = 1;
int do_pre_emphasis = 0;
int do_de_emphasis = 0;
double rx_gain = 1.0;
double tx_gain = 1.0;
static int echo_test = 0;
static int use_mncc_sock = 0;
static int use_mncc_cross = 0;
@@ -121,10 +122,12 @@ void main_mobile_print_help(const char *arg0, const char *ext_usage)
printf(" Enable de-emphasis, if you directly connect to the discriminator of\n");
printf(" the receiver. (No de-emphasis done by the receiver.)\n");
}
printf(" -g --rx-gain <dB>\n");
printf(" Raise receiver RX level by given gain in dB. This is useful if input\n");
printf(" level of the sound device is too low, even after setting maximum level\n");
printf(" with the mixer settings. (Works with sound card only.)\n");
printf(" --rx-gain <dB>\n");
printf(" Raise/lower receiver's RX level by given gain in dB.\n");
printf(" (Works with sound card only.)\n");
printf(" --tx-gain <dB>\n");
printf(" Raise/lower transmitters's RX level by given gain in dB.\n");
printf(" (Works with sound card only.)\n");
printf(" -e --echo-test\n");
printf(" Use echo test, to send back audio from mobile phone's microphone to\n");
printf(" the speaker. (German: 'Blasprobe').\n");
@@ -186,13 +189,15 @@ void main_mobile_print_hotkeys(void)
}
#define OPT_CHANNEL 1000
#define OPT_WRITE_RX_WAVE 1001
#define OPT_WRITE_TX_WAVE 1002
#define OPT_READ_RX_WAVE 1003
#define OPT_READ_TX_WAVE 1004
#define OPT_CALL_SAMPLERATE 1005
#define OPT_MNCC_NAME 1006
#define OPT_FAST_MATH 1007
#define OPT_RX_GAIN 1001
#define OPT_TX_GAIN 1002
#define OPT_WRITE_RX_WAVE 1003
#define OPT_WRITE_TX_WAVE 1004
#define OPT_READ_RX_WAVE 1005
#define OPT_READ_TX_WAVE 1006
#define OPT_CALL_SAMPLERATE 1007
#define OPT_MNCC_NAME 1008
#define OPT_FAST_MATH 1009
#define OPT_LIMESDR 1100
#define OPT_LIMESDR_MINI 1101
@@ -208,7 +213,8 @@ void main_mobile_add_options(void)
option_add('b', "buffer", 1);
option_add('p', "pre-emphasis", 0);
option_add('d', "de-emphasis", 0);
option_add('g', "rx-gain", 1);
option_add(OPT_RX_GAIN, "rx-gain", 1);
option_add(OPT_TX_GAIN, "tx-gain", 1);
option_add('e', "echo-test", 0);
option_add('x', "mncc-cross", 0);
option_add('m', "mncc-sock", 0);
@@ -285,14 +291,14 @@ int main_mobile_handle_options(int short_option, int argi, char **argv)
goto no_emph;
do_de_emphasis = 1;
break;
case 'g':
case OPT_RX_GAIN:
gain_db = atof(argv[argi]);
if (gain_db < 0.0) {
fprintf(stderr, "Given gain is below 0. To reduce RX signal, use sound card's mixer (or resistor net)!\n");
return -EINVAL;
}
rx_gain = pow(10, gain_db / 20.0);
break;
case OPT_TX_GAIN:
gain_db = atof(argv[argi]);
tx_gain = pow(10, gain_db / 20.0);
break;
case 'e':
echo_test = 1;
break;