Add RESTORE_SCAN feature

app/action.c

@@ -220,6 +220,9 @@ void ACTION_Scan(bool bRestart)
 
         // channel mode. Keep scanning but toggle between scan lists
         gEeprom.SCAN_LIST_DEFAULT = (gEeprom.SCAN_LIST_DEFAULT + 1) % 6;
+        #ifdef ENABLE_FEAT_F4HWN_RESTORE_SCAN
+            SETTINGS_WriteCurrentState();
+        #endif
 
         // jump to the next channel
         CHFRSCANNER_Start(false, gScanStateDir);

app/chFrScanner.c

@@ -196,6 +196,11 @@ void CHFRSCANNER_Stop(void)
         }
     }
 
+    #ifdef ENABLE_FEAT_F4HWN_RESTORE_SCAN
+        gEeprom.CURRENT_STATE = 0;
+        SETTINGS_WriteCurrentState();
+    #endif
+
     RADIO_SetupRegisters(true);
     gUpdateDisplay = true;
 }

app/main.c

@@ -407,6 +407,9 @@ static void MAIN_Key_DIGITS(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
             switch(Key) {
                 case KEY_0...KEY_5:
                     gEeprom.SCAN_LIST_DEFAULT = Key;
+                    #ifdef ENABLE_FEAT_F4HWN_RESTORE_SCAN
+                        SETTINGS_WriteCurrentState();
+                    #endif
                     break;
                 default:
                     break;
@@ -684,6 +687,17 @@ static void MAIN_Key_STAR(bool bKeyPressed, bool bKeyHeld)
         if (!bKeyPressed) // released
             return; 
 
+        #ifdef ENABLE_FEAT_F4HWN_RESTORE_SCAN
+        if(gScanRangeStart == 0) // No ScanRange
+        {
+            gEeprom.CURRENT_STATE = 1;
+        }
+        else // ScanRange
+        {
+            gEeprom.CURRENT_STATE = 2;
+        }
+        SETTINGS_WriteCurrentState();
+        #endif
         ACTION_Scan(false);// toggle scanning
 
         gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
@@ -732,6 +746,7 @@ static void MAIN_Key_STAR(bool bKeyPressed, bool bKeyHeld)
         // scan the CTCSS/DCS code
         gBackup_CROSS_BAND_RX_TX  = gEeprom.CROSS_BAND_RX_TX;
         gEeprom.CROSS_BAND_RX_TX = CROSS_BAND_OFF;
+
         SCANNER_Start(true);
         gRequestDisplayScreen = DISPLAY_SCANNER;
     }