Rename dbm0 (level) to speech (level)

In mobile communications we use speech level instead of milliwatts.
The deviation (FM) is always based on speech level, not on 1 milliwatt.

5 files changed, 12 insertions, 12 deletions

diff --git a/src/cnetz/cnetz.c b/src/cnetz/cnetz.c
index 3c2ac45..990d48d 100644
--- a/src/cnetz/cnetz.c
+++ b/src/cnetz/cnetz.c
@@ -247,7 +247,7 @@ int cnetz_init(void)
 }
 
 /* Create transceiver instance and link to a list. */
-int cnetz_create(const char *kanal, enum cnetz_chan_type chan_type, const char *audiodev, int use_sdr, enum demod_type demod, int samplerate, double rx_gain, int challenge_valid, uint64_t challenge, int response_valid, uint64_t response, int warteschlange, int metering, double dbm0_deviation, int ms_power, int measure_speed, double clock_speed[2], int polarity, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, int loopback)
+int cnetz_create(const char *kanal, enum cnetz_chan_type chan_type, const char *audiodev, int use_sdr, enum demod_type demod, int samplerate, double rx_gain, int challenge_valid, uint64_t challenge, int response_valid, uint64_t response, int warteschlange, int metering, double speech_deviation, int ms_power, int measure_speed, double clock_speed[2], int polarity, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, int loopback)
 {
 	sender_t *sender;
 	cnetz_t *cnetz;
@@ -321,7 +321,7 @@ int cnetz_create(const char *kanal, enum cnetz_chan_type chan_type, const char *
 #endif
 
 	/* init audio processing */
-	rc = dsp_init_sender(cnetz, measure_speed, clock_speed, demod, dbm0_deviation);
+	rc = dsp_init_sender(cnetz, measure_speed, clock_speed, demod, speech_deviation);
 	if (rc < 0) {
 		PDEBUG(DCNETZ, DEBUG_ERROR, "Failed to init signal processing!\n");
 		goto error;
diff --git a/src/cnetz/cnetz.h b/src/cnetz/cnetz.h
index 25e1f03..20d04c0 100644
--- a/src/cnetz/cnetz.h
+++ b/src/cnetz/cnetz.h
@@ -138,7 +138,7 @@ int cnetz_channel_by_short_name(const char *short_name);
 const char *chan_type_short_name(enum cnetz_chan_type chan_type);
 const char *chan_type_long_name(enum cnetz_chan_type chan_type);
 int cnetz_init(void);
-int cnetz_create(const char *kanal, enum cnetz_chan_type chan_type, const char *audiodev, int use_sdr, enum demod_type demod, int samplerate, double rx_gain, int challenge_valid, uint64_t challenge, int response_valid, uint64_t response, int warteschlange, int metering, double dbm0_deviation, int ms_power, int measure_speed, double clock_speed[2], int polarity, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, int loopback);
+int cnetz_create(const char *kanal, enum cnetz_chan_type chan_type, const char *audiodev, int use_sdr, enum demod_type demod, int samplerate, double rx_gain, int challenge_valid, uint64_t challenge, int response_valid, uint64_t response, int warteschlange, int metering, double speech_deviation, int ms_power, int measure_speed, double clock_speed[2], int polarity, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, int loopback);
 void cnetz_destroy(sender_t *sender);
 void cnetz_go_idle(cnetz_t *cnetz);
 void cnetz_sync_frame(cnetz_t *cnetz, double sync, int ts);
diff --git a/src/cnetz/dsp.c b/src/cnetz/dsp.c
index ec39303..91f967c 100644
--- a/src/cnetz/dsp.c
+++ b/src/cnetz/dsp.c
@@ -42,8 +42,8 @@
 
 #define MAX_DEVIATION	4000.0
 #define MAX_MODULATION	3000.0
-#define FSK_DEVIATION	(2500.0 / dbm0_deviation) /* no emphasis */
-#define MAX_DISPLAY	1.4	/* something above dBm0, no emphasis */
+#define FSK_DEVIATION	(2500.0 / speech_deviation) /* no emphasis */
+#define MAX_DISPLAY	1.4	/* something above speech level, no emphasis */
 #define BITRATE		5280.0	/* bits per second */
 #define BLOCK_BITS	198	/* duration of one time slot including pause at beginning and end */
 #define CUT_OFF_OFFSET	300.0	/* cut off frequency for offset filter (level correction between subsequent audio chunks) */
@@ -80,7 +80,7 @@ static void dsp_init_ramp(cnetz_t *cnetz)
 }
 
 /* Init transceiver instance. */
-int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], enum demod_type demod, double dbm0_deviation)
+int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], enum demod_type demod, double speech_deviation)
 {
 	int rc = 0;
 	double size;
@@ -89,7 +89,7 @@ int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], en
 	PDEBUG_CHAN(DDSP, DEBUG_DEBUG, "Init FSK for 'Sender'.\n");
 
 	/* set modulation parameters */
-	sender_set_fm(&cnetz->sender, MAX_DEVIATION, MAX_MODULATION, dbm0_deviation, MAX_DISPLAY);
+	sender_set_fm(&cnetz->sender, MAX_DEVIATION, MAX_MODULATION, speech_deviation, MAX_DISPLAY);
 
 	if (measure_speed) {
 		cnetz->measure_speed = measure_speed;
diff --git a/src/cnetz/dsp.h b/src/cnetz/dsp.h
index 34e8f38..f5e3506 100644
--- a/src/cnetz/dsp.h
+++ b/src/cnetz/dsp.h
@@ -1,6 +1,6 @@
 
 void dsp_init(void);
-int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], enum demod_type demod, double dbm0_deviation);
+int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], enum demod_type demod, double speech_deviation);
 void dsp_cleanup_sender(cnetz_t *cnetz);
 void calc_clock_speed(cnetz_t *cnetz, double samples, int tx, int result);
 void unshrink_speech(cnetz_t *cnetz, sample_t *speech_buffer, int count);
diff --git a/src/cnetz/main.c b/src/cnetz/main.c
index 153d1f5..518151a 100644
--- a/src/cnetz/main.c
+++ b/src/cnetz/main.c
@@ -73,7 +73,7 @@ int8_t	futln_sperre_start = -1; /* no blocking */
 int8_t	futln_sperre_end = -1; /* no range */
 enum demod_type demod = FSK_DEMOD_AUTO;
 int metering = 20;
-double dbm0_deviation = 4000.0; /* best results with all my equipment */
+double speech_deviation = 4000.0; /* best results with all my equipment */
 
 void print_help(const char *arg0)
 {
@@ -118,7 +118,7 @@ void print_help(const char *arg0)
 	printf(" -V --voice-deviation <2400..4000 Hz>\n");
 	printf("        It is unclear what the actual voice deviation is. Please decrease, if\n");
 	printf("        mobile's microphone is too loud and speaker is too quiet.\n");
-	printf("        (default = %.0f)\n", dbm0_deviation);
+	printf("        (default = %.0f)\n", speech_deviation);
 	printf(" -S --sysinfo fuz-nat=<nat>\n");
 	printf("        Set country ID of base station. All IDs were used inside Germany only.\n");
 	printf("        (default = %d)\n", fuz_nat);
@@ -327,7 +327,7 @@ static int handle_options(int short_option, int argi, char **argv)
 		metering = atoi(argv[argi]);
 		break;
 	case 'V':
-		dbm0_deviation = atoi_limit(argv[argi], 2400, 4000);
+		speech_deviation = atoi_limit(argv[argi], 2400, 4000);
 		break;
 	case 'S':
 		p = strchr(argv[argi], '=');
@@ -621,7 +621,7 @@ int main(int argc, char *argv[])
 
 	/* create transceiver instance */
 	for (i = 0; i < num_kanal; i++) {
-		rc = cnetz_create(kanal[i], chan_type[i], audiodev[i], use_sdr, demod, samplerate, rx_gain, challenge_valid, challenge, response_valid, response, warteschlange, metering, dbm0_deviation, ms_power, (i == 0) ? measure_speed : 0, clock_speed, polarity, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, loopback);
+		rc = cnetz_create(kanal[i], chan_type[i], audiodev[i], use_sdr, demod, samplerate, rx_gain, challenge_valid, challenge, response_valid, response, warteschlange, metering, speech_deviation, ms_power, (i == 0) ? measure_speed : 0, clock_speed, polarity, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, loopback);
 		if (rc < 0) {
 			fprintf(stderr, "Failed to create \"Sender\" instance. Quitting!\n");
 			goto fail;