From: Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
Date: Sat, 22 Jan 2022 12:17:32 +0000 (+0530)
Subject: add a new S-meter toggle widget on whether to include rx gain in meter level
X-Git-Url: https://git.rkrishnan.org/Site/Content/simplejson/status?a=commitdiff_plain;h=ded5a489c138cd376fcb8250316b49f75109e1b3;p=pihpsdr.git

add a new S-meter toggle widget on whether to include rx gain in meter level
---

diff --git a/meter.c b/meter.c
index f36d6c0..c9e54de 100644
--- a/meter.c
+++ b/meter.c
@@ -192,11 +192,12 @@ if(analog_meter) {
   switch(meter_type) {
     case SMETER:
       {
-      if(have_rx_gain) {
-        level=value+rx_gain_calibration-adc[rx->adc].attenuation;
-      } else {
-        level=value+(double)adc[rx->adc].attenuation;
-      }
+          double offset = with_gain ? 0 : adc[rx->adc].gain;
+          if(have_rx_gain) {
+              level = value + rx_gain_calibration - adc[rx->adc].attenuation - offset;
+          } else {
+              level=value + (double)adc[rx->adc].attenuation;
+          }
 #ifdef SOAPYSDR
       if(protocol==SOAPYSDR_PROTOCOL) {
         //level-=rx->rf_gain;
diff --git a/meter_menu.c b/meter_menu.c
index 393c7c6..3a9667d 100644
--- a/meter_menu.c
+++ b/meter_menu.c
@@ -66,6 +66,10 @@ static void analog_cb(GtkToggleButton *widget, gpointer data) {
   analog_meter=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
 }
 
+static void with_gain_cb(GtkToggleButton *widget, gpointer data) {
+  with_gain = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
+}
+
 void meter_menu (GtkWidget *parent) {
   parent_window=parent;
 
@@ -139,6 +143,11 @@ void meter_menu (GtkWidget *parent) {
   row++;
   col=0;
 
+  GtkWidget *with_gain_b=gtk_check_button_new_with_label("With Gain");
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (with_gain_b), with_gain);
+  gtk_grid_attach(GTK_GRID(grid),with_gain_b,col,row,1,1);
+  g_signal_connect(with_gain_b,"toggled",G_CALLBACK(with_gain_cb),NULL);
+
   col++;
   GtkWidget *alc_gain=gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON(alc_peak),"ALC Gain");
   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (alc_gain), alc==TXA_ALC_GAIN);
diff --git a/radio.c b/radio.c
index 7646807..9a6221b 100644
--- a/radio.c
+++ b/radio.c
@@ -301,6 +301,7 @@ int OCmemory_tune_time = 550; // ms
 long long tune_timeout;
 
 int analog_meter = 0;
+gboolean with_gain = FALSE;
 int smeter = RXA_S_AV;
 
 int local_audio = 0;
diff --git a/radio.h b/radio.h
index 6a7513f..4e723a5 100644
--- a/radio.h
+++ b/radio.h
@@ -272,6 +272,7 @@ extern int OCmemory_tune_time;
 extern long long tune_timeout;
 
 extern int analog_meter;
+extern int with_gain;
 extern int smeter;
 extern int alc;