From 5ae3c2d2a5230e2f2be18e854c45035e48dc2e0f Mon Sep 17 00:00:00 2001
From: Armel FAUVEAU <armel.fauveau@globalis-ms.com>
Date: Tue, 18 Feb 2025 03:39:58 +0100
Subject: [PATCH] Add Spectrum resume

---
 app/spectrum.c | 17 ++++++++++++++++-
 main.c         | 25 ++++++++++++++-----------
 2 files changed, 30 insertions(+), 12 deletions(-)

diff --git a/app/spectrum.c b/app/spectrum.c
index 8a7dea5..418b73c 100644
--- a/app/spectrum.c
+++ b/app/spectrum.c
@@ -1163,6 +1163,10 @@ static void OnKeyDown(uint8_t key)
         }
 #ifdef ENABLE_FEAT_F4HWN_SPECTRUM
         SaveSettings();
+#endif
+#ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
+        gEeprom.CURRENT_STATE = 0;
+        SETTINGS_WriteCurrentState();
 #endif
         DeInitSpectrum();
         break;
@@ -1639,11 +1643,22 @@ void APP_RunSpectrum()
             }
         }
         settings.stepsCount = STEPS_128;
+        #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
+            gEeprom.CURRENT_STATE = 5;
+        #endif
     }
-    else
+    else {
 #endif
         currentFreq = initialFreq = gTxVfo->pRX->Frequency -
                                     ((GetStepsCount() / 2) * GetScanStep());
+        #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
+            gEeprom.CURRENT_STATE = 4;
+        #endif
+    }
+
+    #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
+        SETTINGS_WriteCurrentState();
+    #endif
 
     BackupRegisters();
 
diff --git a/main.c b/main.c
index e11233b..463f7c7 100644
--- a/main.c
+++ b/main.c
@@ -292,22 +292,22 @@ void Main(void)
     }
 
     #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
-    switch (gEeprom.CURRENT_STATE) {
-        case 1:
-            //gScanRangeStart = 0;
-            //ACTION_Scan(false);
-            gEeprom.SCAN_LIST_DEFAULT = gEeprom.CURRENT_LIST;
-            CHFRSCANNER_Start(true, SCAN_FWD);
-            break;
-
-        case 2:
+    if(gEeprom.CURRENT_STATE == 2 || gEeprom.CURRENT_STATE == 5)
+    {
             gScanRangeStart = gScanRangeStart ? 0 : gTxVfo->pRX->Frequency;
             gScanRangeStop = gEeprom.VfoInfo[!gEeprom.TX_VFO].freq_config_RX.Frequency;
             if(gScanRangeStart > gScanRangeStop)
             {
                 SWAP(gScanRangeStart, gScanRangeStop);
             }
-            //ACTION_Scan(false);
+    }
+    switch (gEeprom.CURRENT_STATE) {
+        case 1:
+            gEeprom.SCAN_LIST_DEFAULT = gEeprom.CURRENT_LIST;
+            CHFRSCANNER_Start(true, SCAN_FWD);
+            break;
+
+        case 2:
             CHFRSCANNER_Start(true, SCAN_FWD);
             break;
 
@@ -320,7 +320,10 @@ void Main(void)
 
         #ifdef ENABLE_SPECTRUM
         case 4:
-            APP_RunSpectrum(); // For compiler alignments and paddings...
+            APP_RunSpectrum();
+            break;
+        case 5:
+            APP_RunSpectrum();
             break;
         #endif