Ensure high mode attenuation and offset is working correctly and

plot.c

@@ -2057,8 +2057,8 @@ static void cell_draw_marker_info(int x0, int y0)
 //      buf[k++] = 0;
       ili9341_set_background(DEFAULT_BG_COLOR);
       uint16_t color;
-      if ((setting.mode == M_LOW && temppeakLevel - get_attenuation() > -1) ||
-          (setting.mode == M_HIGH && temppeakLevel - get_attenuation() > -10))
+      if ((setting.mode == M_LOW && temppeakLevel - get_attenuation() - setting.offset > -1) ||
+          (setting.mode == M_HIGH && temppeakLevel - get_attenuation()- setting.offset > -10))
         color = BRIGHT_COLOR_RED;
       else
         color = marker_color(markers[i].mtype);

sa_core.c

@@ -412,6 +412,7 @@ void set_attenuation(float a)       // Is used both in output mode and input mod
     } else
       setting.atten_step = 0;
     setting.auto_attenuation = false;
+    dirty = true;
   }
   if (a<0.0)
       a = 0;
@@ -800,6 +801,17 @@ void calculate_step_delay(void)
     if (setting.frequency_step == 0) {            // zero span mode, not dependent on selected RBW
       SI4432_step_delay = 0;
     } else {
+#if 1
+      if (actual_rbw_x10 >= 1910)      { SI4432_step_delay =  150; SI4432_offset_delay = 10; }
+      else if (actual_rbw_x10 >= 1420) { SI4432_step_delay =  350; SI4432_offset_delay = 10; }
+      else if (actual_rbw_x10 >= 750)  { SI4432_step_delay =  450; SI4432_offset_delay = 10; }
+      else if (actual_rbw_x10 >= 560)  { SI4432_step_delay =  650; SI4432_offset_delay = 10; }
+      else if (actual_rbw_x10 >= 370)  { SI4432_step_delay =  700; SI4432_offset_delay = 10; }
+      else if (actual_rbw_x10 >= 180)  { SI4432_step_delay = 1100; SI4432_offset_delay = 100; }
+      else if (actual_rbw_x10 >=  90)  { SI4432_step_delay = 1700; SI4432_offset_delay = 400; }
+      else if (actual_rbw_x10 >=  48)  { SI4432_step_delay = 3300; SI4432_offset_delay = 400; }
+      else                             { SI4432_step_delay = 6400; SI4432_offset_delay = 800; }
+#else
       if (actual_rbw_x10 >= 1910)      { SI4432_step_delay =  280; SI4432_offset_delay = 100; }
       else if (actual_rbw_x10 >= 1420) { SI4432_step_delay =  350; SI4432_offset_delay = 100; }
       else if (actual_rbw_x10 >= 750)  { SI4432_step_delay =  450; SI4432_offset_delay = 100; }
@@ -809,6 +821,7 @@ void calculate_step_delay(void)
       else if (actual_rbw_x10 >=  90)  { SI4432_step_delay = 1700; SI4432_offset_delay = 400; }
       else if (actual_rbw_x10 >=  50)  { SI4432_step_delay = 3300; SI4432_offset_delay = 400; }
       else                             { SI4432_step_delay = 6400; SI4432_offset_delay =1600; }
+#endif
       if (setting.step_delay_mode == SD_PRECISE)    // In precise mode wait twice as long for RSSI to stabalize
         SI4432_step_delay *= 2;
     }

ui_sa.c

@@ -1291,7 +1291,7 @@ static const menuitem_t menu_atten[] = {
   { MT_CALLBACK | MT_LOW, 0,               "AUTO",    menu_atten_cb},
   { MT_KEYPAD | MT_LOW,   KM_ATTENUATION,  "MANUAL",  "0..30"},
   { MT_CALLBACK | MT_HIGH,0,               "0dB",     menu_atten_high_cb},
-  { MT_CALLBACK | MT_HIGH,30,              "30dB",    menu_atten_high_cb},
+  { MT_CALLBACK | MT_HIGH,30,              "\00225..30dB",    menu_atten_high_cb},
   { MT_CANCEL, 0,               "\032 BACK", NULL },
   { MT_FORM | MT_NONE,   0, NULL, NULL } // sentinel
 };