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receiver.c
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/* Copyright (C)
* 2017 - John Melton, G0ORX/N6LYT
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <gtk/gtk.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <wdsp.h>
#include "agc.h"
#include "audio.h"
#include "band.h"
#include "bandstack.h"
#include "channel.h"
#include "discovered.h"
#include "filter.h"
#include "main.h"
#include "meter.h"
#include "mode.h"
#include "property.h"
#include "radio.h"
#include "receiver.h"
#include "transmitter.h"
#include "vfo.h"
#include "meter.h"
#include "rx_panadapter.h"
#include "zoompan.h"
#include "sliders.h"
#include "waterfall.h"
#include "new_protocol.h"
#include "old_protocol.h"
#ifdef SOAPYSDR
#include "soapy_protocol.h"
#endif
#include "ext.h"
#include "new_menu.h"
#ifdef CLIENT_SERVER
#include "client_server.h"
#endif
#define min(x,y) (x<y?x:y)
#define max(x,y) (x<y?y:x)
static gint last_x;
static gboolean has_moved=FALSE;
static gboolean pressed=FALSE;
static gboolean making_active=FALSE;
static int waterfall_samples=0;
static int waterfall_resample=6;
void receiver_weak_notify(gpointer data,GObject *obj) {
RECEIVER *rx=(RECEIVER *)data;
g_print("%s: id=%d obj=%p\n",__FUNCTION__,rx->id, obj);
}
gboolean receiver_button_press_event(GtkWidget *widget, GdkEventButton *event, gpointer data) {
RECEIVER *rx=(RECEIVER *)data;
if(rx==active_receiver) {
if (event->button == 1) {
last_x=(int)event->x;
has_moved=FALSE;
pressed=TRUE;
} else if(event->button==3) {
g_idle_add(ext_start_rx,NULL);
}
} else {
making_active=TRUE;
}
return TRUE;
}
void receiver_set_active(RECEIVER *rx) {
active_receiver=rx;
g_idle_add(menu_active_receiver_changed,NULL);
g_idle_add(ext_vfo_update,NULL);
g_idle_add(zoompan_active_receiver_changed,NULL);
g_idle_add(sliders_active_receiver_changed,NULL);
// setup the transmitter mode and filter
if(can_transmit) {
tx_set_mode(transmitter,get_tx_mode());
}
}
gboolean receiver_button_release_event(GtkWidget *widget, GdkEventButton *event, gpointer data) {
RECEIVER *rx=(RECEIVER *)data;
if(making_active) {
making_active=FALSE;
#ifdef CLIENT_SERVER
if(radio_is_remote) {
send_rx_select(client_socket,rx->id);
} else {
#endif
receiver_set_active(rx);
if(event->button==3) {
g_idle_add(ext_start_rx,NULL);
}
#ifdef CLIENT_SERVER
}
#endif
} else {
if(pressed) {
int x=(int)event->x;
if (event->button == 1) {
if(has_moved) {
// drag
vfo_move((long long)((float)(x-last_x)*rx->hz_per_pixel),TRUE);
} else {
// move to this frequency
vfo_move_to((long long)((float)x*rx->hz_per_pixel));
}
last_x=x;
pressed=FALSE;
}
}
}
return TRUE;
}
gboolean receiver_motion_notify_event(GtkWidget *widget, GdkEventMotion *event, gpointer data) {
int x, y;
GdkModifierType state;
RECEIVER *rx=(RECEIVER *)data;
// DL1YCF: if !pressed, we may come from the destruction
// of a menu, and should not move the VFO.
if(!making_active && pressed) {
gdk_window_get_device_position (event->window,
event->device,
&x,
&y,
&state);
// G0ORX: removed test as with it unable to drag screen
//if(state & GDK_BUTTON1_MASK) {
//int moved=last_x-x;
int moved=x-last_x;
vfo_move((long long)((float)moved*rx->hz_per_pixel),FALSE);
last_x=x;
has_moved=TRUE;
//}
}
return TRUE;
}
gboolean receiver_scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data) {
if(event->direction==GDK_SCROLL_UP) {
//vfo_move(step,TRUE);
vfo_step(1);
} else {
//vfo_move(-step,TRUE);
vfo_step(-1);
}
return TRUE;
}
void receiver_save_state(RECEIVER *rx) {
char name[128];
char value[128];
g_print("%s: %d\n",__FUNCTION__,rx->id);
sprintf(name,"receiver.%d.audio_channel",rx->id);
sprintf(value,"%d",rx->audio_channel);
setProperty(name,value);
sprintf(name,"receiver.%d.local_audio",rx->id);
sprintf(value,"%d",rx->local_audio);
setProperty(name,value);
sprintf(name,"receiver.%d.local_audio_buffer_size",rx->id);
sprintf(value,"%d",rx->local_audio_buffer_size);
setProperty(name,value);
if(rx->audio_name!=NULL) {
sprintf(name,"receiver.%d.audio_name",rx->id);
sprintf(value,"%s",rx->audio_name);
setProperty(name,value);
}
sprintf(name,"receiver.%d.mute_when_not_active",rx->id);
sprintf(value,"%d",rx->mute_when_not_active);
setProperty(name,value);
sprintf(name,"receiver.%d.audio_device",rx->id);
sprintf(value,"%d",rx->audio_device);
setProperty(name,value);
sprintf(name,"receiver.%d.mute_radio",rx->id);
sprintf(value,"%d",rx->mute_radio);
setProperty(name,value);
#ifdef CLIENT_SERVER
if(!radio_is_remote) {
#endif
sprintf(name,"receiver.%d.alex_antenna",rx->id);
sprintf(value,"%d",rx->alex_antenna);
setProperty(name,value);
#ifdef PURESIGNAL
//
// for PS_RX_RECEIVER, *only* save the ALEX antenna setting
// and then return quickly.
//
if (rx->id == PS_RX_FEEDBACK
#ifdef SOAPYSDR
&& protocol!=SOAPYSDR_PROTOCOL
#endif
) return;
#endif
sprintf(name,"receiver.%d.sample_rate",rx->id);
sprintf(value,"%d",rx->sample_rate);
setProperty(name,value);
sprintf(name,"receiver.%d.adc",rx->id);
sprintf(value,"%d",rx->adc);
setProperty(name,value);
sprintf(name,"receiver.%d.filter_low",rx->id);
sprintf(value,"%d",rx->filter_low);
setProperty(name,value);
sprintf(name,"receiver.%d.filter_high",rx->id);
sprintf(value,"%d",rx->filter_high);
setProperty(name,value);
sprintf(name,"receiver.%d.fps",rx->id);
sprintf(value,"%d",rx->fps);
setProperty(name,value);
sprintf(name,"receiver.%d.panadapter_low",rx->id);
sprintf(value,"%d",rx->panadapter_low);
setProperty(name,value);
sprintf(name,"receiver.%d.panadapter_high",rx->id);
sprintf(value,"%d",rx->panadapter_high);
setProperty(name,value);
sprintf(name,"receiver.%d.panadapter_step",rx->id);
sprintf(value,"%d",rx->panadapter_step);
setProperty(name,value);
sprintf(name,"receiver.%d.display_waterfall",rx->id);
sprintf(value,"%d",rx->display_waterfall);
setProperty(name,value);
sprintf(name,"receiver.%d.waterfall_low",rx->id);
sprintf(value,"%d",rx->waterfall_low);
setProperty(name,value);
sprintf(name,"receiver.%d.waterfall_high",rx->id);
sprintf(value,"%d",rx->waterfall_high);
setProperty(name,value);
sprintf(name,"receiver.%d.waterfall_automatic",rx->id);
sprintf(value,"%d",rx->waterfall_automatic);
setProperty(name,value);
sprintf(name,"receiver.%d.alex_attenuation",rx->id);
sprintf(value,"%d",rx->alex_attenuation);
setProperty(name,value);
sprintf(name,"receiver.%d.volume",rx->id);
sprintf(value,"%f",rx->volume);
setProperty(name,value);
//sprintf(name,"receiver.%d.rf_gain",rx->id);
//sprintf(value,"%f",rx->rf_gain);
//setProperty(name,value);
sprintf(name,"receiver.%d.agc",rx->id);
sprintf(value,"%d",rx->agc);
setProperty(name,value);
sprintf(name,"receiver.%d.agc_gain",rx->id);
sprintf(value,"%f",rx->agc_gain);
setProperty(name,value);
sprintf(name,"receiver.%d.agc_slope",rx->id);
sprintf(value,"%f",rx->agc_slope);
setProperty(name,value);
sprintf(name,"receiver.%d.agc_hang_threshold",rx->id);
sprintf(value,"%f",rx->agc_hang_threshold);
setProperty(name,value);
sprintf(name,"receiver.%d.dither",rx->id);
sprintf(value,"%d",rx->dither);
setProperty(name,value);
sprintf(name,"receiver.%d.random",rx->id);
sprintf(value,"%d",rx->random);
setProperty(name,value);
sprintf(name,"receiver.%d.preamp",rx->id);
sprintf(value,"%d",rx->preamp);
setProperty(name,value);
sprintf(name,"receiver.%d.nb",rx->id);
sprintf(value,"%d",rx->nb);
setProperty(name,value);
sprintf(name,"receiver.%d.nb2",rx->id);
sprintf(value,"%d",rx->nb2);
setProperty(name,value);
sprintf(name,"receiver.%d.nr",rx->id);
sprintf(value,"%d",rx->nr);
setProperty(name,value);
sprintf(name,"receiver.%d.nr2",rx->id);
sprintf(value,"%d",rx->nr2);
setProperty(name,value);
sprintf(name,"receiver.%d.anf",rx->id);
sprintf(value,"%d",rx->anf);
setProperty(name,value);
sprintf(name,"receiver.%d.snb",rx->id);
sprintf(value,"%d",rx->snb);
setProperty(name,value);
sprintf(name,"receiver.%d.nr_agc",rx->id);
sprintf(value,"%d",rx->nr_agc);
setProperty(name,value);
sprintf(name,"receiver.%d.nr2_gain_method",rx->id);
sprintf(value,"%d",rx->nr2_gain_method);
setProperty(name,value);
sprintf(name,"receiver.%d.nr2_npe_method",rx->id);
sprintf(value,"%d",rx->nr2_npe_method);
setProperty(name,value);
sprintf(name,"receiver.%d.nr2_ae",rx->id);
sprintf(value,"%d",rx->nr2_ae);
setProperty(name,value);
sprintf(name,"receiver.%d.low_latency",rx->id);
sprintf(value,"%d",rx->low_latency);
setProperty(name,value);
sprintf(name,"receiver.%d.deviation",rx->id);
sprintf(value,"%d",rx->deviation);
setProperty(name,value);
sprintf(name,"receiver.%d.squelch_enable",rx->id);
sprintf(value,"%d",rx->squelch_enable);
setProperty(name,value);
sprintf(name,"receiver.%d.squelch",rx->id);
sprintf(value,"%f",rx->squelch);
setProperty(name,value);
sprintf(name,"receiver.%d.zoom",rx->id);
sprintf(value,"%d",rx->zoom);
setProperty(name,value);
sprintf(name,"receiver.%d.pan",rx->id);
sprintf(value,"%d",rx->pan);
setProperty(name,value);
#ifdef CLIENT_SERVER
}
#endif
}
void receiver_restore_state(RECEIVER *rx) {
char name[128];
char *value;
g_print("%s: id=%d\n",__FUNCTION__,rx->id);
sprintf(name,"receiver.%d.audio_channel",rx->id);
value=getProperty(name);
if(value) rx->audio_channel=atoi(value);
sprintf(name,"receiver.%d.local_audio",rx->id);
value=getProperty(name);
if(value) rx->local_audio=atoi(value);
sprintf(name,"receiver.%d.local_audio_buffer_size",rx->id);
value=getProperty(name);
if(value) rx->local_audio_buffer_size=atoi(value);
// force minimum of 2048 samples for buffer size
if(rx->local_audio_buffer_size<2048) rx->local_audio_buffer_size=2048;
sprintf(name,"receiver.%d.audio_name",rx->id);
value=getProperty(name);
if(value) {
rx->audio_name=g_new(gchar,strlen(value)+1);
strcpy(rx->audio_name,value);
}
sprintf(name,"receiver.%d.mute_when_not_active",rx->id);
value=getProperty(name);
if(value) rx->mute_when_not_active=atoi(value);
sprintf(name,"receiver.%d.audio_device",rx->id);
value=getProperty(name);
if(value) rx->audio_device=atoi(value);
sprintf(name,"receiver.%d.mute_radio",rx->id);
value=getProperty(name);
if(value) rx->mute_radio=atoi(value);
#ifdef CLIENT_SERVER
if(!radio_is_remote) {
#endif
sprintf(name,"receiver.%d.alex_antenna",rx->id);
value=getProperty(name);
if(value) rx->alex_antenna=atoi(value);
#ifdef PURESIGNAL
//
// for PS_RX_RECEIVER, *only* restore the ALEX antenna and setting
// and then return quickly
//
if (rx->id == PS_RX_FEEDBACK
#ifdef SOAPYSDR
&& protocol!=SOAPYSDR_PROTOCOL
#endif
) return;
#endif
sprintf(name,"receiver.%d.sample_rate",rx->id);
value=getProperty(name);
if(value) rx->sample_rate=atoi(value);
sprintf(name,"receiver.%d.adc",rx->id);
value=getProperty(name);
if(value) rx->adc=atoi(value);
//
// Do not specify a second ADC if there is only one
//
if (n_adc == 1) rx->adc=0;
sprintf(name,"receiver.%d.filter_low",rx->id);
value=getProperty(name);
if(value) rx->filter_low=atoi(value);
sprintf(name,"receiver.%d.filter_high",rx->id);
value=getProperty(name);
if(value) rx->filter_high=atoi(value);
sprintf(name,"receiver.%d.fps",rx->id);
value=getProperty(name);
if(value) rx->fps=atoi(value);
/*
sprintf(name,"receiver.%d.frequency",rx->id);
value=getProperty(name);
if(value) rx->frequency=atoll(value);
sprintf(name,"receiver.%d.display_frequency",rx->id);
value=getProperty(name);
if(value) rx->display_frequency=atoll(value);
sprintf(name,"receiver.%d.dds_frequency",rx->id);
value=getProperty(name);
if(value) rx->dds_frequency=atoll(value);
sprintf(name,"receiver.%d.dds_offset",rx->id);
value=getProperty(name);
if(value) rx->dds_offset=atoll(value);
sprintf(name,"receiver.%d.rit",rx->id);
value=getProperty(name);
if(value) rx->rit=atoi(value);
*/
sprintf(name,"receiver.%d.panadapter_low",rx->id);
value=getProperty(name);
if(value) rx->panadapter_low=atoi(value);
sprintf(name,"receiver.%d.panadapter_high",rx->id);
value=getProperty(name);
if(value) rx->panadapter_high=atoi(value);
sprintf(name,"receiver.%d.panadapter_step",rx->id);
value=getProperty(name);
if(value) rx->panadapter_step=atoi(value);
sprintf(name,"receiver.%d.display_waterfall",rx->id);
value=getProperty(name);
if(value) rx->display_waterfall=atoi(value);
sprintf(name,"receiver.%d.waterfall_low",rx->id);
value=getProperty(name);
if(value) rx->waterfall_low=atoi(value);
sprintf(name,"receiver.%d.waterfall_high",rx->id);
value=getProperty(name);
if(value) rx->waterfall_high=atoi(value);
sprintf(name,"receiver.%d.waterfall_automatic",rx->id);
value=getProperty(name);
if(value) rx->waterfall_automatic=atoi(value);
sprintf(name,"receiver.%d.alex_attenuation",rx->id);
value=getProperty(name);
if(value) rx->alex_attenuation=atoi(value);
sprintf(name,"receiver.%d.volume",rx->id);
value=getProperty(name);
if(value) rx->volume=atof(value);
//sprintf(name,"receiver.%d.rf_gain",rx->id);
//value=getProperty(name);
//if(value) rx->rf_gain=atof(value);
sprintf(name,"receiver.%d.agc",rx->id);
value=getProperty(name);
if(value) rx->agc=atoi(value);
sprintf(name,"receiver.%d.agc_gain",rx->id);
value=getProperty(name);
if(value) rx->agc_gain=atof(value);
sprintf(name,"receiver.%d.agc_slope",rx->id);
value=getProperty(name);
if(value) rx->agc_slope=atof(value);
sprintf(name,"receiver.%d.agc_hang_threshold",rx->id);
value=getProperty(name);
if(value) rx->agc_hang_threshold=atof(value);
sprintf(name,"receiver.%d.dither",rx->id);
value=getProperty(name);
if(value) rx->dither=atoi(value);
sprintf(name,"receiver.%d.random",rx->id);
value=getProperty(name);
if(value) rx->random=atoi(value);
sprintf(name,"receiver.%d.preamp",rx->id);
value=getProperty(name);
if(value) rx->preamp=atoi(value);
sprintf(name,"receiver.%d.nb",rx->id);
value=getProperty(name);
if(value) rx->nb=atoi(value);
sprintf(name,"receiver.%d.nb2",rx->id);
value=getProperty(name);
if(value) rx->nb2=atoi(value);
sprintf(name,"receiver.%d.nr",rx->id);
value=getProperty(name);
if(value) rx->nr=atoi(value);
sprintf(name,"receiver.%d.nr2",rx->id);
value=getProperty(name);
if(value) rx->nr2=atoi(value);
sprintf(name,"receiver.%d.anf",rx->id);
value=getProperty(name);
if(value) rx->anf=atoi(value);
sprintf(name,"receiver.%d.snb",rx->id);
value=getProperty(name);
if(value) rx->snb=atoi(value);
sprintf(name,"receiver.%d.nr_agc",rx->id);
value=getProperty(name);
if(value) rx->nr_agc=atoi(value);
sprintf(name,"receiver.%d.nr2_gain_method",rx->id);
value=getProperty(name);
if(value) rx->nr2_gain_method=atoi(value);
sprintf(name,"receiver.%d.nr2_npe_method",rx->id);
value=getProperty(name);
if(value) rx->nr2_npe_method=atoi(value);
sprintf(name,"receiver.%d.ae",rx->id);
value=getProperty(name);
if(value) rx->nr2_ae=atoi(value);
sprintf(name,"receiver.%d.low_latency",rx->id);
value=getProperty(name);
if(value) rx->low_latency=atoi(value);
sprintf(name,"receiver.%d.deviation",rx->id);
value=getProperty(name);
if(value) rx->deviation=atoi(value);
sprintf(name,"receiver.%d.squelch_enable",rx->id);
value=getProperty(name);
if(value) rx->squelch_enable=atoi(value);
sprintf(name,"receiver.%d.squelch",rx->id);
value=getProperty(name);
if(value) rx->squelch=atof(value);
sprintf(name,"receiver.%d.zoom",rx->id);
value=getProperty(name);
if(value) rx->zoom=atoi(value);
sprintf(name,"receiver.%d.pan",rx->id);
value=getProperty(name);
if(value) rx->pan=atoi(value);
#ifdef CLIENT_SERVER
}
#endif
}
void reconfigure_receiver(RECEIVER *rx,int height) {
int y=0;
//
// myheight is the size of the waterfall or the panadapter
// which is the full or half of the height depending on whether BOTH
// are displayed
//
g_mutex_lock(&rx->display_mutex);
int myheight=(rx->display_panadapter && rx->display_waterfall) ? height/2 : height;
rx->height=height; // total height
if(rx->display_panadapter) {
if(rx->panadapter==NULL) {
g_print("%s: panadapter_init: width:%d height:%d\n",__FUNCTION__,rx->width,myheight);
rx_panadapter_init(rx, rx->width,myheight);
gtk_fixed_put(GTK_FIXED(rx->panel),rx->panadapter,0,y); // y=0 here always
} else {
// set the size
gtk_widget_set_size_request(rx->panadapter, rx->width, myheight);
// move the current one
gtk_fixed_move(GTK_FIXED(rx->panel),rx->panadapter,0,y);
}
y+=myheight;
} else {
if(rx->panadapter!=NULL) {
gtk_container_remove(GTK_CONTAINER(rx->panel),rx->panadapter);
//gtk_widget_destroy(rx->panadapter);
rx->panadapter=NULL;
}
}
if(rx->display_waterfall) {
if(rx->waterfall==NULL) {
g_print("%s: waterfall_init: width:%d height:%d\n",__FUNCTION__,rx->width,myheight);
waterfall_init(rx,rx->width,myheight);
gtk_fixed_put(GTK_FIXED(rx->panel),rx->waterfall,0,y); // y=0 if ONLY waterfall is present
} else {
// set the size
g_print("%s: waterfall set_size_request: width:%d height:%d\n",__FUNCTION__,rx->width,myheight);
gtk_widget_set_size_request(rx->waterfall, rx->width, myheight);
// move the current one
gtk_fixed_move(GTK_FIXED(rx->panel),rx->waterfall,0,y);
}
} else {
if(rx->waterfall!=NULL) {
gtk_container_remove(GTK_CONTAINER(rx->panel),rx->waterfall);
//gtk_widget_destroy(rx->waterfall);
rx->waterfall=NULL;
}
}
gtk_widget_show_all(rx->panel);
g_mutex_unlock(&rx->display_mutex);
}
static gint update_display(gpointer data) {
RECEIVER *rx=(RECEIVER *)data;
int rc;
if(rx->displaying) {
if(rx->pixels>0) {
g_mutex_lock(&rx->display_mutex);
GetPixels(rx->id,0,rx->pixel_samples,&rc);
if(rc) {
if(rx->display_panadapter) {
rx_panadapter_update(rx);
}
if(rx->display_waterfall) {
waterfall_update(rx);
}
}
g_mutex_unlock(&rx->display_mutex);
if(active_receiver==rx) {
rx->meter=GetRXAMeter(rx->id,smeter)+meter_calibration;
meter_update(rx,SMETER,rx->meter,0.0,0.0,0.0);
}
return TRUE;
}
}
return FALSE;
}
void receiver_remote_update_display(RECEIVER *rx) {
if(rx->displaying) {
if(rx->pixels>0) {
g_mutex_lock(&rx->display_mutex);
if(rx->display_panadapter) {
rx_panadapter_update(rx);
}
if(rx->display_waterfall) {
waterfall_update(rx);
}
if(active_receiver==rx) {
meter_update(rx,SMETER,rx->meter,0.0,0.0,0.0);
}
g_mutex_unlock(&rx->display_mutex);
}
}
}
void set_displaying(RECEIVER *rx,int state) {
rx->displaying=state;
#ifdef CLIENT_SERVER
if(!radio_is_remote) {
#endif
if(state) {
if(rx->update_timer_id>=0) g_source_remove(rx->update_timer_id);
rx->update_timer_id=gdk_threads_add_timeout_full(G_PRIORITY_HIGH_IDLE,1000/rx->fps, update_display, rx, NULL);
} else {
rx->update_timer_id=-1;
}
#ifdef CLIENT_SERVER
}
#endif
}
void set_mode(RECEIVER *rx,int m) {
vfo[rx->id].mode=m;
SetRXAMode(rx->id, vfo[rx->id].mode);
}
void set_filter(RECEIVER *rx) {
int m=vfo[rx->id].mode;
FILTER *mode_filters=filters[m];
FILTER *filter=&mode_filters[vfo[rx->id].filter]; // ignored in FMN
switch (m) {
case modeCWL:
rx->filter_low=-cw_keyer_sidetone_frequency-filter->low;
rx->filter_high=-cw_keyer_sidetone_frequency+filter->high;
break;
case modeCWU:
rx->filter_low=cw_keyer_sidetone_frequency-filter->low;
rx->filter_high=cw_keyer_sidetone_frequency+filter->high;
break;
case modeFMN:
//
// FM filter settings are ignored, instead, the filter
// size is calculated from the deviation
//
if(rx->deviation==2500) {
rx->filter_low=-5500;
rx->filter_high=5500;
} else {
rx->filter_low=-8000;
rx->filter_high=8000;
}
set_deviation(rx);
break;
default:
rx->filter_low=filter->low;
rx->filter_high=filter->high;
break;
}
RXASetPassband(rx->id,(double)rx->filter_low,(double)rx->filter_high);
}
void set_deviation(RECEIVER *rx) {
SetRXAFMDeviation(rx->id, (double)rx->deviation);
}
void set_agc(RECEIVER *rx, int agc) {
SetRXAAGCMode(rx->id, agc);
//SetRXAAGCThresh(rx->id, agc_thresh_point, 4096.0, rx->sample_rate);
SetRXAAGCSlope(rx->id,rx->agc_slope);
SetRXAAGCTop(rx->id,rx->agc_gain);
switch(agc) {
case AGC_OFF:
break;
case AGC_LONG:
SetRXAAGCAttack(rx->id,2);
SetRXAAGCHang(rx->id,2000);
SetRXAAGCDecay(rx->id,2000);
SetRXAAGCHangThreshold(rx->id,(int)rx->agc_hang_threshold);
break;
case AGC_SLOW:
SetRXAAGCAttack(rx->id,2);
SetRXAAGCHang(rx->id,1000);
SetRXAAGCDecay(rx->id,500);
SetRXAAGCHangThreshold(rx->id,(int)rx->agc_hang_threshold);
break;
case AGC_MEDIUM:
SetRXAAGCAttack(rx->id,2);
SetRXAAGCHang(rx->id,0);
SetRXAAGCDecay(rx->id,250);
SetRXAAGCHangThreshold(rx->id,100);
break;
case AGC_FAST:
SetRXAAGCAttack(rx->id,2);
SetRXAAGCHang(rx->id,0);
SetRXAAGCDecay(rx->id,50);
SetRXAAGCHangThreshold(rx->id,100);
break;
}
//
// Recalculate the "panadapter" AGC line positions.
//
GetRXAAGCHangLevel(rx->id, &rx->agc_hang);
GetRXAAGCThresh(rx->id, &rx->agc_thresh, 4096.0, (double)rx->sample_rate);
}
void set_offset(RECEIVER *rx,long long offset) {
if(offset==0) {
SetRXAShiftFreq(rx->id, (double)offset);
RXANBPSetShiftFrequency(rx->id, (double)offset);
SetRXAShiftRun(rx->id, 0);
} else {
SetRXAShiftFreq(rx->id, (double)offset);
RXANBPSetShiftFrequency(rx->id, (double)offset);
SetRXAShiftRun(rx->id, 1);
}
}
static void init_analyzer(RECEIVER *rx) {
int flp[] = {0};
double keep_time = 0.1;
int n_pixout=1;
int spur_elimination_ffts = 1;
int data_type = 1;
int fft_size = 8192;
int window_type = 4;
double kaiser_pi = 14.0;
int overlap = 2048;
int clip = 0;
int span_clip_l = 0;
int span_clip_h = 0;
int pixels=rx->pixels;
int stitches = 1;
int calibration_data_set = 0;
double span_min_freq = 0.0;
double span_max_freq = 0.0;
int max_w = fft_size + (int) min(keep_time * (double) rx->fps, keep_time * (double) fft_size * (double) rx->fps);
overlap = (int)fmax(0.0, ceil(fft_size - (double)rx->sample_rate / (double)rx->fps));
//g_print("%s: id=%d buffer_size=%d overlap=%d\n",_FUNCTION__,rx->id,rx->buffer_size,overlap);
SetAnalyzer(rx->id,
n_pixout,
spur_elimination_ffts, //number of LO frequencies = number of ffts used in elimination
data_type, //0 for real input data (I only); 1 for complex input data (I & Q)
flp, //vector with one elt for each LO frequency, 1 if high-side LO, 0 otherwise
fft_size, //size of the fft, i.e., number of input samples
rx->buffer_size, //number of samples transferred for each OpenBuffer()/CloseBuffer()
window_type, //integer specifying which window function to use
kaiser_pi, //PiAlpha parameter for Kaiser window
overlap, //number of samples each fft (other than the first) is to re-use from the previous
clip, //number of fft output bins to be clipped from EACH side of each sub-span
span_clip_l, //number of bins to clip from low end of entire span
span_clip_h, //number of bins to clip from high end of entire span
pixels, //number of pixel values to return. may be either <= or > number of bins
stitches, //number of sub-spans to concatenate to form a complete span
calibration_data_set, //identifier of which set of calibration data to use
span_min_freq, //frequency at first pixel value8192
span_max_freq, //frequency at last pixel value
max_w //max samples to hold in input ring buffers
);
}
static void create_visual(RECEIVER *rx) {
int y=0;
rx->panel=gtk_fixed_new();
g_print("%s: id=%d width=%d height=%d %p\n",__FUNCTION__,rx->id, rx->width, rx->height, rx->panel);
g_object_weak_ref(G_OBJECT(rx->panel),receiver_weak_notify,(gpointer)rx);
gtk_widget_set_size_request (rx->panel, rx->width, rx->height);
rx->panadapter=NULL;
rx->waterfall=NULL;
int height=rx->height;
if(rx->display_waterfall) {
height=height/2;
}
rx_panadapter_init(rx, rx->width,height);
g_print("%s: panadapter height=%d y=%d %p\n",__FUNCTION__,height,y,rx->panadapter);
g_object_weak_ref(G_OBJECT(rx->panadapter),receiver_weak_notify,(gpointer)rx);
gtk_fixed_put(GTK_FIXED(rx->panel),rx->panadapter,0,y);
y+=height;
if(rx->display_waterfall) {
waterfall_init(rx,rx->width,height);
g_print("%ss: waterfall height=%d y=%d %p\n",__FUNCTION__,height,y,rx->waterfall);
g_object_weak_ref(G_OBJECT(rx->waterfall),receiver_weak_notify,(gpointer)rx);
gtk_fixed_put(GTK_FIXED(rx->panel),rx->waterfall,0,y);
}
gtk_widget_show_all(rx->panel);
}
#ifdef PURESIGNAL
RECEIVER *create_pure_signal_receiver(int id, int buffer_size,int sample_rate,int width) {
g_print("%s: id=%d buffer_size=%d\n",__FUNCTION__,id,buffer_size);
RECEIVER *rx=malloc(sizeof(RECEIVER));
rx->id=id;
rx->adc=0;
rx->sample_rate=sample_rate;
rx->buffer_size=buffer_size;
rx->fft_size=fft_size;
rx->pixels=0;
rx->fps=0;
rx->width=width; // save for later use, e.g. when changing the sample rate
rx->height=0;
rx->display_panadapter=0;
rx->display_waterfall=0;
if (id == PS_RX_FEEDBACK) {
//
// need a buffer for pixels for the spectrum of the feedback
// signal (MON button).
// NewProtocol: Since we want to display only 24 kHz instead of
// 192 kHz, we make a spectrum with eight times the pixels and then
// display only the central part.
//
// Also need a mutex, when changing sample rate
//
g_mutex_init(&rx->mutex);
if (protocol == ORIGINAL_PROTOCOL) {
rx->pixels=(sample_rate/24000) * width;
} else {
// sample rate of feedback is TX sample rate is 192000
rx->pixels = 8*width;
}
}
// need mutex for zoom/pan
g_mutex_init(&rx->display_mutex);
// allocate buffers
rx->iq_input_buffer=g_new(double,2*rx->buffer_size);
//rx->audio_buffer=NULL;
rx->audio_sequence=0L;
rx->pixel_samples=g_new(float,rx->pixels);
rx->samples=0;
rx->displaying=0;
rx->display_panadapter=0;
rx->display_waterfall=0;
rx->panadapter_high=-40;
rx->panadapter_low=-140;
rx->panadapter_step=20;
rx->volume=5.0;
//rx->rf_gain=50.0;
rx->squelch_enable=0;
rx->squelch=0;
rx->dither=0;
rx->random=0;
rx->preamp=0;
rx->nb=0;
rx->nb2=0;
rx->nr=0;
rx->nr2=0;
rx->anf=0;
rx->snb=0;
rx->nr_agc=0;
rx->nr2_gain_method=2;
rx->nr2_npe_method=0;
rx->nr2_ae=1;
rx->alex_antenna=0;
rx->alex_attenuation=0;
rx->agc=AGC_MEDIUM;
rx->agc_gain=80.0;
rx->agc_slope=35.0;
rx->agc_hang_threshold=0.0;
//rx->playback_handle=NULL;
rx->local_audio_buffer=NULL;
rx->local_audio_buffer_size=2048;
rx->local_audio=0;
g_mutex_init(&rx->local_audio_mutex);
rx->audio_name=NULL;
rx->mute_when_not_active=0;
rx->audio_channel=STEREO;
rx->audio_device=-1;
rx->mute_radio=0;
rx->low_latency=0;
// not much to be restored, except alex_antenna and adc
if (id == PS_RX_FEEDBACK) receiver_restore_state(rx);
int result;
XCreateAnalyzer(rx->id, &result, 262144, 1, 1, "");
if(result != 0) {
g_print( "%s: XCreateAnalyzer id=%d failed: %d\n",__FUNCTION__, rx->id, result);
} else {
init_analyzer(rx);
}
//
// This cannot be changed for the PS feedback receiver,
// use peak mode
//
SetDisplayDetectorMode(rx->id, 0, DETECTOR_MODE_PEAK);
SetDisplayAverageMode(rx->id, 0, AVERAGE_MODE_NONE);
return rx;
}
#endif
RECEIVER *create_receiver(int id, int buffer_size, int fft_size, int pixels, int fps, int width, int height) {
g_print("%s: id=%d buffer_size=%d fft_size=%d pixels=%d fps=%d\n",__FUNCTION__,id,buffer_size, fft_size, pixels, fps);
RECEIVER *rx=malloc(sizeof(RECEIVER));
rx->id=id;
g_mutex_init(&rx->mutex);
g_mutex_init(&rx->display_mutex);
switch(id) {
case 0:
rx->adc=0;
break;
default:
switch(protocol) {
case ORIGINAL_PROTOCOL:
switch(device) {
case DEVICE_METIS:
case DEVICE_HERMES:
case DEVICE_HERMES_LITE:
case DEVICE_HERMES_LITE2:
rx->adc=0;
break;
default:
rx->adc=1;
break;
}
break;
default:
switch(device) {
case NEW_DEVICE_ATLAS:
case NEW_DEVICE_HERMES:
rx->adc=0;
break;
default:
rx->adc=1;
break;
}