Drop at drive change solved

main.c

@@ -980,9 +980,9 @@ config_t config = {
   .high_level_output_offset =  0,    // Uncalibrated, but checking code is not yet present
   .harmonic_level_offset = 7,
   .shift_level_offset = -0.5,
-  .drive1_level_offset = -1,
-  .drive2_level_offset = -2.5,
-  .drive3_level_offset = -3,
+  .drive1_level_offset = -1.5,
+  .drive2_level_offset = -3,
+  .drive3_level_offset = -3.5,
   .correction_frequency =
   {
    { 10000, 100000, 1000000, 5000000, 15000000, 30000000, 145000000, 400000000, 720000000, 800000000, 800000001, 1519000000, 1527000000, 3000000000, 3500000000, 4000000000, 4500000000, 5000000000, 5500000000, 6000000000 }, // low in

plot.c

@@ -123,7 +123,7 @@ void update_grid(void)
   if (config.gridlines < 3)
     config.gridlines = 6;
 
-  while (gdigit > 10) {
+  while (gdigit > 1) {
     grid = 5 * gdigit;
     if (fspan / grid >= config.gridlines)
       break;

sa_core.c

@@ -1802,7 +1802,29 @@ pureRSSI_t get_frequency_correction(freq_t f)      // Frequency dependent RSSI c
 #ifdef TINYSA4
   if (setting.extra_lna)
     c += 1;
+
   if (setting.mode == M_LOW) {
+
+    //
+    //  ----------------   duplication of code
+    //
+    actual_drive = setting.lo_drive;
+    if (actual_drive & 0x04){     // Automatic mixer drive
+      if (LO_harmonic)
+        actual_drive = 3;
+//      else if (f <  DRIVE0_MAX_FREQ)       // below 600MHz
+//        actual_drive = 0;
+      else if (f < DRIVE1_MAX_FREQ) // below 1.2GHz
+        actual_drive = 1;
+      else if (f < DRIVE2_MAX_FREQ)  // below 2GHz
+        actual_drive = 2;
+      else
+        actual_drive = 3;
+    }
+    //
+    //  ----------------- end duplication of code
+    //
+
     switch(actual_drive) {
     case 1:
       cv += float_TO_PURE_RSSI(config.drive1_level_offset);
@@ -3808,12 +3830,16 @@ again:                                                              // Spur redu
         }
         // ----------------------------- set mixer drive --------------------------------------------
         if (setting.mode == M_LOW) {
+
+          //
+          //  ----------------- start duplication of code
+          //
           actual_drive = setting.lo_drive;
           if (actual_drive & 0x04){     // Automatic mixer drive
             if (LO_harmonic)
               actual_drive = 3;
-            else if (lf <  DRIVE0_MAX_FREQ)       // below 600MHz
-              actual_drive = 0;
+//            else if (lf <  DRIVE0_MAX_FREQ)       // below 600MHz
+//              actual_drive = 0;
             else if (lf < DRIVE1_MAX_FREQ) // below 1.2GHz
               actual_drive = 1;
             else if (lf < DRIVE2_MAX_FREQ)  // below 2GHz
@@ -3821,6 +3847,9 @@ again:                                                              // Spur redu
             else
               actual_drive = 3;
           }
+          //
+          //  ----------------- end duplication of code
+          //
           if (old_drive != actual_drive) {
             ADF4351_drive(actual_drive);       // Max drive
             old_drive = actual_drive;

si4468.c

@@ -510,6 +510,8 @@ void ADF4351_drive(int p)
 //  registers[4] &= ~(((uint32_t)0x3) << 3);
 //  registers[4] |=  (((uint32_t)  p) << 3);
   ADF4351_Set(0);
+  my_microsecond_delay(1000);
+
 }
 
 void ADF4351_aux_drive(int p)