WIP: display detected CSS code during scan range

Code refactoring (54 B)

App/CMakeLists.txt

@@ -215,6 +215,11 @@ if(ENABLE_FEAT_F4HWN_BEAM AND NOT ENABLE_AIRCOPY)
 endif()
 enable_feature(ENABLE_FEAT_F4HWN_QRCODE)
 enable_feature(ENABLE_FEAT_F4HWN_LOGO)
+enable_feature(ENABLE_FEAT_F4HWN_LOGO_SAV)
+
+if(ENABLE_FEAT_F4HWN_LOGO_SAV AND NOT ENABLE_FEAT_F4HWN_LOGO)
+    message(FATAL_ERROR "ENABLE_FEAT_F4HWN_LOGO_SAV requires ENABLE_FEAT_F4HWN_LOGO.")
+endif()
 
 # ---- DEBUGGING ----
 

App/app/app.c

@@ -72,11 +72,13 @@
     #include "sram-overlay.h"
 #endif
 #include "ui/battery.h"
+#include "ui/helper.h"
 #include "ui/inputbox.h"
 #include "ui/main.h"
 #include "ui/menu.h"
 #include "ui/status.h"
 #include "ui/ui.h"
+#include "ui/welcome.h"
 
 #ifdef ENABLE_FEAT_F4HWN_SCREENSHOT
     #include "screenshot.h"
@@ -86,6 +88,19 @@ static bool flagSaveVfo;
 static bool flagSaveSettings;
 static bool flagSaveChannel;
 
+#ifdef ENABLE_FEAT_F4HWN_SLEEP
+static KEY_Code_t gSleepWakeKey = KEY_INVALID;
+#endif
+
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+static bool gScreenSaverDisplayed;
+static uint8_t gScreenSaverTick;
+static uint16_t gMatrixRandom = 0xACE1;
+static uint8_t gMatrixHeads[32];
+static uint8_t gMatrixSpeeds[32];
+static KEY_Code_t gScreenSaverWakeKey = KEY_INVALID;
+#endif
+
 static void ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);
 
 
@@ -110,11 +125,199 @@ static_assert(ARRAY_SIZE(ProcessKeysFunctions) == DISPLAY_N_ELEM-1);
 static_assert(ARRAY_SIZE(ProcessKeysFunctions) == DISPLAY_N_ELEM);
 #endif
 
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+static uint8_t ScreenSaverRandom(void)
+{
+    gMatrixRandom = (uint16_t)(gMatrixRandom * 2053u + 13849u);
+    return (uint8_t)(gMatrixRandom >> 8);
+}
+
+static void ScreenSaverSetPixel(uint8_t x, uint8_t y, bool fill)
+{
+    const uint8_t pattern = 1u << (y & 7u);
+
+    if (y < 8) {
+        if (fill)
+            gStatusLine[x] |= pattern;
+        else
+            gStatusLine[x] &= (uint8_t)~pattern;
+        return;
+    }
+
+    y -= 8;
+    if (fill)
+        gFrameBuffer[y >> 3][x] |= pattern;
+    else
+        gFrameBuffer[y >> 3][x] &= (uint8_t)~pattern;
+}
+
+static void ScreenSaverDrawMatrixGlyph(uint8_t x, int16_t y, uint8_t glyph)
+{
+    static const uint8_t glyphs[][3] = {
+        {0x1F, 0x11, 0x1F},
+        {0x15, 0x1F, 0x15},
+        {0x1D, 0x15, 0x17},
+        {0x17, 0x15, 0x1D},
+        {0x1F, 0x04, 0x1F},
+        {0x1B, 0x15, 0x1B},
+        {0x0E, 0x11, 0x0E},
+        {0x11, 0x0A, 0x04}
+    };
+
+    for (uint8_t dx = 0; dx < 3; dx++) {
+        uint8_t pixels = glyphs[glyph & 7u][dx];
+        for (uint8_t dy = 0; dy < 5; dy++) {
+            const int16_t py = y + dy;
+            if ((pixels & (1u << dy)) && py >= 0 && py < LCD_HEIGHT)
+                ScreenSaverSetPixel(x + dx, (uint8_t)py, true);
+        }
+    }
+}
+
+static void ScreenSaverRenderMatrix(bool reset)
+{
+    if (reset) {
+        for (uint8_t i = 0; i < ARRAY_SIZE(gMatrixHeads); i++) {
+            gMatrixHeads[i]  = ScreenSaverRandom() % 112u;
+            gMatrixSpeeds[i] = 1u + (ScreenSaverRandom() % 3u);
+        }
+    } else {
+        for (uint8_t i = 0; i < ARRAY_SIZE(gMatrixHeads); i++) {
+            gMatrixHeads[i] += gMatrixSpeeds[i];
+            if (gMatrixHeads[i] > 112u)
+                gMatrixHeads[i] = ScreenSaverRandom() & 0x0Fu;
+        }
+    }
+
+    UI_StatusClear();
+    UI_DisplayClear();
+
+    for (uint8_t col = 0; col < ARRAY_SIZE(gMatrixHeads); col++) {
+        const uint8_t x = col * 4u;
+        for (uint8_t trail = 0; trail < 8; trail++) {
+            const int16_t y = (int16_t)gMatrixHeads[col] - ((int16_t)trail * 7);
+            const uint8_t glyph = (uint8_t)(col + trail + gMatrixHeads[col]);
+
+            if (trail == 0) {
+                ScreenSaverDrawMatrixGlyph(x, y, glyph);
+            } else if ((trail < 4) || ((glyph & 1u) != 0)) {
+                ScreenSaverDrawMatrixGlyph(x, y, glyph);
+            }
+        }
+    }
+
+    ST7565_BlitStatusLine();
+    ST7565_BlitFullScreen();
+}
+
+static void ScreenSaverScrollLogoLine(uint8_t *line)
+{
+    const uint8_t first = line[0];
+
+    memmove(line, line + 1, LCD_WIDTH - 1);
+    line[LCD_WIDTH - 1] = first;
+}
+
+static void ScreenSaverRenderLogoPlus(bool reset)
+{
+    if (reset) {
+        UI_DisplayLogo();
+        return;
+    }
+
+    ScreenSaverScrollLogoLine(gStatusLine);
+    for (uint8_t line = 0; line < FRAME_LINES; line++)
+        ScreenSaverScrollLogoLine(gFrameBuffer[line]);
+
+    ST7565_BlitStatusLine();
+    ST7565_BlitFullScreen();
+}
+
+static void ScreenSaverUpdateViewer(void)
+{
+#ifdef ENABLE_FEAT_F4HWN_SCREENSHOT
+    SCREENSHOT_Update(false);
+#endif
+}
+
+static bool ScreenSaverCanDisplay(void)
+{
+    if (gSetting_set_sav == SET_SAV_OFF ||
+        gEeprom.BACKLIGHT_TIME == 0 ||
+        gEeprom.BACKLIGHT_TIME >= 61 ||
+        gScreenSaverDisplayed ||
+        gCurrentFunction == FUNCTION_TRANSMIT ||
+        FUNCTION_IsRx() ||
+        gPttIsPressed
+#ifdef ENABLE_FMRADIO
+        || gFM_ScanState != FM_SCAN_OFF
+#endif
+#ifdef ENABLE_FEAT_F4HWN_BEAM
+        || gBeamActive
+#endif
+        )
+    {
+        return false;
+    }
+
+    if (gScreenToDisplay == DISPLAY_MAIN)
+        return true;
+
+#ifdef ENABLE_FMRADIO
+    if (gScreenToDisplay == DISPLAY_FM)
+        return true;
+#endif
+
+    return false;
+}
+
+static void ScreenSaverTryDisplay(void)
+{
+    if (!ScreenSaverCanDisplay())
+        return;
+
+    if (gSetting_set_sav == SET_SAV_LOGO)
+        UI_DisplayLogo();
+    else if (gSetting_set_sav == SET_SAV_LOGO_PLUS)
+        ScreenSaverRenderLogoPlus(true);
+    else if (gSetting_set_sav == SET_SAV_MATRIX)
+        ScreenSaverRenderMatrix(true);
+
+    gScreenSaverDisplayed = true;
+    gScreenSaverTick = 0;
+    gUpdateDisplay = false;
+    gUpdateStatus = false;
+    ScreenSaverUpdateViewer();
+}
+
+static void ScreenSaverExit(void)
+{
+    if (gScreenSaverDisplayed) {
+        gScreenSaverDisplayed = false;
+        gUpdateDisplay = true;
+        gUpdateStatus = true;
+    }
+}
+#endif
+
+bool APP_IsScreenSaverDisplayed(void)
+{
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    return gScreenSaverDisplayed;
+#else
+    return false;
+#endif
+}
+
 static void CheckForIncoming(void)
 {
     if (!g_SquelchLost)
         return;          // squelch is closed
 
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    ScreenSaverExit();
+#endif
+
     // squelch is open
 
     if (gScanStateDir == SCAN_OFF)
@@ -495,6 +698,10 @@ void APP_StartListening(FUNCTION_Type_t function)
 {
     const unsigned int vfo = gEeprom.RX_VFO;
 
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    ScreenSaverExit();
+#endif
+
 #ifdef ENABLE_FEAT_F4HWN_RX_TX_TIMER
     gRxTimerCountdown_500ms = 7200;
 #endif
@@ -1416,6 +1623,36 @@ void APP_TimeSlice10ms(void)
 
     if (gUpdateDisplayCurrent) {
         gUpdateDisplay = false;
+    }
+
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    bool screenSaverRendered = false;
+
+    if (gScreenSaverDisplayed) {
+        if (gUpdateDisplayCurrent) {
+            gUpdateDisplayCurrent = false;
+        } else if (gUpdateStatusCurrent) {
+            gUpdateStatusCurrent = false;
+            gUpdateStatus = false;
+        }
+
+        if (gSetting_set_sav == SET_SAV_MATRIX) {
+            if (++gScreenSaverTick >= 8u) {
+                gScreenSaverTick = 0;
+                ScreenSaverRenderMatrix(false);
+                screenSaverRendered = true;
+            }
+        } else if (gSetting_set_sav == SET_SAV_LOGO_PLUS) {
+            if (++gScreenSaverTick >= 16u) {
+                gScreenSaverTick = 0;
+                ScreenSaverRenderLogoPlus(false);
+                screenSaverRendered = true;
+            }
+        }
+    }
+#endif
+
+    if (gUpdateDisplayCurrent) {
         GUI_DisplayScreen();
     }
 
@@ -1424,7 +1661,11 @@ void APP_TimeSlice10ms(void)
     }
 
     #ifdef ENABLE_FEAT_F4HWN_SCREENSHOT
-    if (gUpdateDisplayCurrent || gUpdateStatusCurrent) {
+    if (gUpdateDisplayCurrent || gUpdateStatusCurrent
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        || screenSaverRendered
+#endif
+        ) {
         SCREENSHOT_Update(false);
     }
     #endif
@@ -1521,6 +1762,10 @@ void APP_TimeSlice10ms(void)
 
     SCANNER_TimeSlice10ms();
 
+#ifdef ENABLE_SCAN_RANGES
+    CHFRSCANNER_UpdateCssDetection();
+#endif
+
 #ifdef ENABLE_AIRCOPY
     if (gScreenToDisplay == DISPLAY_AIRCOPY && gAircopyState == AIRCOPY_TRANSFER && gAirCopyIsSendMode == 1) {
         if (!AIRCOPY_SendMessage()) {
@@ -1563,6 +1808,17 @@ void APP_TimeSlice500ms(void)
         if (--gKeypadLocked == 0)
             gUpdateDisplay = true;
 
+#ifdef ENABLE_FEAT_F4HWN_RX_TX_TIMER
+    if (gSetting_set_tmr && (gCurrentFunction == FUNCTION_TRANSMIT || FUNCTION_IsRx())) {
+        const uint16_t timerCountdown = (gCurrentFunction == FUNCTION_TRANSMIT)
+            ? gTxTimerCountdown_500ms
+            : gRxTimerCountdown_500ms;
+
+        if ((timerCountdown & 1u) != 0u)
+            gUpdateStatus = true;
+    }
+#endif
+
     if (gKeyInputCountdown > 0)
     {
         if (--gKeyInputCountdown == 0)
@@ -1634,15 +1890,23 @@ void APP_TimeSlice500ms(void)
         && gEeprom.BACKLIGHT_TIME < 61
     ) {
         BACKLIGHT_TurnOff();
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        ScreenSaverTryDisplay();
+#endif
     }
 
 #ifdef ENABLE_FEAT_F4HWN_SLEEP
     if (gSleepModeCountdown_500ms == gSetting_set_off * 120 && gWakeUp) {
         //ST7565_Init();
         ST7565_FixInterfGlitch();
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        ScreenSaverExit();
+#endif
         BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, false);
         gPowerSave_10ms = gEeprom.BATTERY_SAVE * 10;
         gWakeUp = false;
+        gUpdateDisplay = true;
+        gUpdateStatus = true;
     }
 
     if(gCurrentFunction != FUNCTION_TRANSMIT && !FUNCTION_IsRx()
@@ -1815,6 +2079,17 @@ void APP_TimeSlice500ms(void)
 #endif
     }
 
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    if (gBacklightCountdown_500ms == 0 &&
+        gEeprom.BACKLIGHT_TIME > 0 &&
+        gEeprom.BACKLIGHT_TIME < 61 &&
+        !gAskToSave &&
+        !gCssBackgroundScan)
+    {
+        ScreenSaverTryDisplay();
+    }
+#endif
+
     BATTERY_TimeSlice500ms();
     SCANNER_TimeSlice500ms();
     UI_MAIN_TimeSlice500ms();
@@ -1876,24 +2151,53 @@ static void ALARM_Off(void)
 
 static void ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 {
-    #ifdef ENABLE_FEAT_F4HWN_SLEEP
+#ifdef ENABLE_FEAT_F4HWN_SLEEP
+    if (gSleepWakeKey != KEY_INVALID) {
+        if (Key == gSleepWakeKey && !bKeyPressed)
+            gSleepWakeKey = KEY_INVALID;
+        return;
+    }
+
     if(gWakeUp)
     {
-        if(!bKeyPressed || Key == KEY_PTT)
+        if(bKeyPressed || Key == KEY_PTT)
         {
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+            ScreenSaverExit();
+#endif
             BACKLIGHT_TurnOn();
 
             if(Key != KEY_PTT)
             {
-                Key = KEY_INVALID;
+                gSleepWakeKey = Key;
+                gBeepToPlay = BEEP_NONE;
+                return;
             }
         }
-        else
+        else if(Key != KEY_PTT)
         {
+            Key = KEY_INVALID;
+        }
+    }
+#endif
+
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    if (gScreenSaverWakeKey != KEY_INVALID) {
+        if (Key == gScreenSaverWakeKey && !bKeyPressed)
+            gScreenSaverWakeKey = KEY_INVALID;
+        return;
+    }
+
+    if (bKeyPressed && gScreenSaverDisplayed) {
+        ScreenSaverExit();
+        BACKLIGHT_TurnOn();
+        if (Key != KEY_PTT) {
+            gScreenSaverWakeKey = Key;
+            gBeepToPlay = BEEP_NONE;
             return;
         }
     }
-    #endif
+#endif
 
     if (Key == KEY_EXIT && !BACKLIGHT_IsOn() && gEeprom.BACKLIGHT_TIME > 0)
     {   // just turn the light on for now so the user can see what's what

App/app/app.h

@@ -31,6 +31,6 @@ uint32_t APP_SetFrequencyByStep(VFO_Info_t *pInfo, int8_t direction);
 void     APP_Update(void);
 void     APP_TimeSlice10ms(void);
 void     APP_TimeSlice500ms(void);
+bool     APP_IsScreenSaverDisplayed(void);
 
 #endif
-

App/app/chFrScanner.c

@@ -20,6 +20,10 @@ bool              gScanPauseMode;
 #ifdef ENABLE_SCAN_RANGES
 uint32_t          gScanRangeStart;
 uint32_t          gScanRangeStop;
+DCS_CodeType_t    gScanRangeCssType  = CODE_TYPE_OFF;
+uint8_t           gScanRangeCssCode  = 0xFF;
+static uint8_t    scanRangeCssCandidate = 0xFF;
+static uint8_t    scanRangeCssHitCount  = 0;
 
 #define SCAN_RANGE_SKIP_MAX 32
 #if (SCAN_RANGE_SKIP_MAX & (SCAN_RANGE_SKIP_MAX - 1)) != 0
@@ -182,6 +186,56 @@ bool CHFRSCANNER_HasScanRangeExcludedOrdinal(uint32_t first_ordinal, uint32_t la
 
     return false;
 }
+
+void CHFRSCANNER_UpdateCssDetection(void)
+{
+    if (!gScanRangeStart || !FUNCTION_IsRx())
+    {
+        gScanRangeCssType    = CODE_TYPE_OFF;
+        gScanRangeCssCode    = 0xFF;
+        scanRangeCssCandidate = 0xFF;
+        scanRangeCssHitCount  = 0;
+        return;
+    }
+
+    uint32_t cdcssFreq;
+    uint16_t ctcssFreq;
+    const BK4819_CssScanResult_t result = BK4819_GetCxCSSScanResult(&cdcssFreq, &ctcssFreq);
+
+    if (result == BK4819_CSS_RESULT_CDCSS)
+    {
+        const uint8_t Code = DCS_GetCdcssCode(cdcssFreq);
+        if (Code != 0xFF && Code != gScanRangeCssCode)
+        {
+            gScanRangeCssType    = CODE_TYPE_DIGITAL;
+            gScanRangeCssCode    = Code;
+            scanRangeCssCandidate = 0xFF;
+            scanRangeCssHitCount  = 0;
+            gUpdateDisplay = true;
+        }
+    }
+    else if (result == BK4819_CSS_RESULT_CTCSS)
+    {
+        const uint8_t Code = DCS_GetCtcssCode(ctcssFreq);
+        if (Code != 0xFF)
+        {
+            if (Code == scanRangeCssCandidate)
+            {
+                if (++scanRangeCssHitCount >= 2 && Code != gScanRangeCssCode)
+                {
+                    gScanRangeCssType = CODE_TYPE_CONTINUOUS_TONE;
+                    gScanRangeCssCode = Code;
+                    gUpdateDisplay    = true;
+                }
+            }
+            else
+            {
+                scanRangeCssCandidate = Code;
+                scanRangeCssHitCount  = 1;
+            }
+        }
+    }
+}
 #endif
 
 static void CHFRSCANNER_AbortActiveReception(void)

App/app/chFrScanner.h

@@ -15,8 +15,11 @@ extern bool              gScanPauseMode;
 #ifdef ENABLE_SCAN_RANGES
 extern uint32_t          gScanRangeStart;
 extern uint32_t          gScanRangeStop;
+extern DCS_CodeType_t    gScanRangeCssType;
+extern uint8_t           gScanRangeCssCode;
 bool CHFRSCANNER_ExcludeCurrentScanRange(void);
 bool CHFRSCANNER_HasScanRangeExcludedOrdinal(uint32_t first_ordinal, uint32_t last_ordinal);
+void CHFRSCANNER_UpdateCssDetection(void);
 #endif
 
 void CHFRSCANNER_Found(void);

App/app/menu.c

@@ -222,6 +222,13 @@ int MENU_GetLimits(uint8_t menu_id, int32_t *pMin, int32_t *pMax)
             *pMax = ARRAY_SIZE(gSubMenu_RX_TX) - 1;
             break;
 
+#if defined(ENABLE_FEAT_F4HWN) && defined(ENABLE_FEAT_F4HWN_LOGO_SAV)
+        case MENU_SET_SAV:
+            //*pMin = 0;
+            *pMax = SET_SAV_LEN - 1;
+            break;
+#endif
+
         #ifndef ENABLE_FEAT_F4HWN
             #ifdef ENABLE_AM_FIX
                 case MENU_AM_FIX:
@@ -1030,6 +1037,11 @@ void MENU_AcceptSetting(void)
         case MENU_SET_TMR:
             gSetting_set_tmr = gSubMenuSelection;
             break;
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        case MENU_SET_SAV:
+            gSetting_set_sav = gSubMenuSelection;
+            break;
+#endif
         case MENU_TX_LOCK:
             gTxVfo->TX_LOCK = gSubMenuSelection;
             gRequestSaveChannel       = 1;
@@ -1497,6 +1509,11 @@ void MENU_ShowCurrentSetting(void)
         case MENU_SET_TMR:
             gSubMenuSelection = gSetting_set_tmr;
             break;
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        case MENU_SET_SAV:
+            gSubMenuSelection = gSetting_set_sav;
+            break;
+#endif
         case MENU_TX_LOCK:
             gSubMenuSelection = gTxVfo->TX_LOCK;
             break;

App/app/scanner.c

@@ -506,8 +506,8 @@ void SCANNER_TimeSlice500ms(void)
     if (SCANNER_IsScanning() && gScannerSaveState == SCAN_SAVE_NO_PROMPT && gScanCssState < SCAN_CSS_STATE_FOUND) {
         gScanProgressIndicator++;
 #ifndef ENABLE_NO_CODE_SCAN_TIMEOUT
-        if (gScanProgressIndicator > 32) {
-            if (gScanCssState == SCAN_CSS_STATE_SCANNING && !gScanSingleFrequency)
+        if (gScanCssState == SCAN_CSS_STATE_SCANNING && gScanProgressIndicator > 32) {
+            if (!gScanSingleFrequency)
                 gScanCssState = SCAN_CSS_STATE_FOUND;
             else
                 gScanCssState = SCAN_CSS_STATE_FAILED;
@@ -525,4 +525,4 @@ void SCANNER_TimeSlice500ms(void)
 bool SCANNER_IsScanning(void)
 {
     return gCssBackgroundScan || (gScreenToDisplay == DISPLAY_SCANNER);
-}
+}

App/app/spectrum.c

@@ -1604,7 +1604,7 @@ static void ShowChannelName(uint32_t f)
         if (f != channelF) {
             channelF = f;
             unsigned int i;
-            memset(channelName, 0, sizeof(channelName));
+            channelName[0] = 0;
             for (i = 0; IS_MR_CHANNEL(i); i++)
             {
                 if (RADIO_CheckValidChannel(i, false, 0))
@@ -1715,16 +1715,7 @@ static bool SpectrumColumnAtOrAboveY(const uint8_t *topY, uint8_t x, uint8_t y)
 
 static uint8_t GetScanStepTextWidth()
 {
-    uint16_t whole = GetScanStep() / 100;
-    uint8_t digits = 1;
-
-    while (whole >= 10)
-    {
-        whole /= 10;
-        digits++;
-    }
-
-    return (digits + 4) * 4; // "%u.%02uk", 4 px advance per char
+    return (sprintf(NULL, "%u", GetScanStep() / 100) + 4) * 4; // "%u.%02uk", 4 px advance per char
 }
 
 static void DrawRssiTriggerLevel(const uint8_t *topY)

App/driver/backlight.c

@@ -107,7 +107,12 @@ void BACKLIGHT_InitHardware()
 
 static void BACKLIGHT_Sound(void)
 {
-    if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_SOUND || gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_ALL)
+    if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_SOUND ||
+        gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_ALL
+#ifdef ENABLE_FEAT_F4HWN_LOGO
+        || gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_LOGO
+#endif
+    )
     {
         AUDIO_PlayBeep(BEEP_880HZ_60MS_TRIPLE_BEEP);
         AUDIO_PlayBeep(BEEP_880HZ_60MS_TRIPLE_BEEP);

App/misc.c

@@ -137,6 +137,9 @@ enum BacklightOnRxTx_t gSetting_backlight_on_tx_rx;
     #ifdef ENABLE_FEAT_F4HWN_NARROWER
         bool          gSetting_set_nfm = 0;
     #endif
+    #ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        uint8_t       gSetting_set_sav = SET_SAV_OFF;
+    #endif
     bool          gSetting_set_tmr = 0;
     bool          gSetting_set_ptt_session;
     #ifdef ENABLE_FEAT_F4HWN_DEBUG

App/misc.h

@@ -181,6 +181,16 @@ extern enum BacklightOnRxTx_t gSetting_backlight_on_tx_rx;
 #endif
 
 #ifdef ENABLE_FEAT_F4HWN
+    #ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        enum SET_SAV_t {
+            SET_SAV_OFF,
+            SET_SAV_LOGO,
+            SET_SAV_LOGO_PLUS,
+            SET_SAV_MATRIX,
+            SET_SAV_LEN
+        };
+    #endif
+
     extern uint8_t            gSetting_set_pwr;
     extern bool               gSetting_set_ptt;
     extern uint8_t            gSetting_set_tot;
@@ -197,6 +207,9 @@ extern enum BacklightOnRxTx_t gSetting_backlight_on_tx_rx;
     #ifdef ENABLE_FEAT_F4HWN_NARROWER
         extern bool               gSetting_set_nfm;
     #endif
+    #ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        extern uint8_t            gSetting_set_sav;
+    #endif
     extern bool               gSetting_set_tmr;
     extern bool               gSetting_set_ptt_session;
     #ifdef ENABLE_FEAT_F4HWN_DEBUG

App/settings.c

@@ -454,11 +454,19 @@ gEeprom.FreqChannel[1]   = IS_FREQ_CHANNEL(Data16[5]) ? Data16[5] : (FREQ_CHANNE
         // 1FF0..0x1FF7
         // TODO: address TBD
         PY25Q16_ReadBuffer(0x00A158, Data, 8);
-        const uint8_t set_ptt_scn = Data[7] & 0x0F;
+        const uint8_t set_ptt_scn_sav = Data[7] & 0x0F;
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        const bool set_ptt_scn_sav_valid = set_ptt_scn_sav < (SET_SAV_LEN << 2);
+#else
+        const bool set_ptt_scn_sav_valid = set_ptt_scn_sav < 4;
+#endif
         gSetting_set_pwr = (((Data[7] & 0xF0) >> 4) < 7) ? ((Data[7] & 0xF0) >> 4) : 0;
-        gSetting_set_ptt = (set_ptt_scn < 4) ? (set_ptt_scn & 0x01) : 0;
+        gSetting_set_ptt = set_ptt_scn_sav_valid ? (set_ptt_scn_sav & 0x01) : 0;
 #ifdef ENABLE_FEAT_F4HWN_SCAN_FASTER
-        gSetting_set_scn = (set_ptt_scn < 4) ? ((set_ptt_scn & 0x02) == 0) : 1;
+        gSetting_set_scn = set_ptt_scn_sav_valid ? ((set_ptt_scn_sav & 0x02) == 0) : 1;
+#endif
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        gSetting_set_sav = set_ptt_scn_sav_valid ? ((set_ptt_scn_sav >> 2) & 0x03) : SET_SAV_OFF;
 #endif
 
         gSetting_set_tot = (((Data[6] & 0xF0) >> 4) < 4) ? ((Data[6] & 0xF0) >> 4) : 0;
@@ -1131,13 +1139,16 @@ void SETTINGS_SaveSettings(void)
 
     State[5] = ((tmp << 4) | (gSetting_set_ctr & 0x0F));
     State[6] = ((gSetting_set_tot << 4) | (gSetting_set_eot & 0x0F));
-    uint8_t set_ptt_scn = gSetting_set_ptt & 0x01;
+    uint8_t set_ptt_scn_sav = gSetting_set_ptt & 0x01;
 #ifdef ENABLE_FEAT_F4HWN_SCAN_FASTER
     if (!gSetting_set_scn)
-        set_ptt_scn |= 0x02;
+        set_ptt_scn_sav |= 0x02;
+#endif
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    set_ptt_scn_sav |= (gSetting_set_sav & 0x03) << 2;
 #endif
 
-    State[7] = ((gSetting_set_pwr << 4) | set_ptt_scn);
+    State[7] = ((gSetting_set_pwr << 4) | set_ptt_scn_sav);
 
     gEeprom.KEY_LOCK_PTT = gSetting_set_lck;
 

App/ui/aircopy.c

@@ -37,9 +37,8 @@ static int get_bit(uint8_t* array, int bit_index) {
 
 void UI_DisplayAircopy(void)
 {
-    char String[16] = { 0 };
-    char *pPrintStr = { 0 };
-    uint16_t percent;
+    char String[16];
+    char *pPrintStr;
 
     UI_DisplayClear();
 
@@ -60,15 +59,13 @@ void UI_DisplayAircopy(void)
         // show the remaining 2 small frequency digits
         UI_PrintStringSmallNormal(String + 7, 97, 0, 3);
         String[7] = 0;
-        // show the main large frequency digits
-        UI_DisplayFrequency(String, 16, 2, false);
     } else {
         const char *ascii = INPUTBOX_GetAscii();
         sprintf(String, "%.3s.%.3s", ascii, ascii + 3);
-        UI_DisplayFrequency(String, 16, 2, false);
     }
 
-    memset(String, 0, sizeof(String));
+    // show the main large frequency digits
+    UI_DisplayFrequency(String, 16, 2, false);
 
     // Get the current map and calculate percentage based on its total blocks
     const AIRCOPY_TransferMap_t *currentMap = AIRCOPY_GetCurrentMap();
@@ -78,47 +75,44 @@ void UI_DisplayAircopy(void)
     if (doneBlocks > currentMap->total_blocks)
         doneBlocks = currentMap->total_blocks;
 
-    percent = (doneBlocks * 10000) / currentMap->total_blocks;
-
-    if (gAirCopyIsSendMode == 0) {
-        sprintf(String, "RCV:%02u.%02u%% E:%d", percent / 100, percent % 100, gErrorsDuringAirCopy);
-    } else if (gAirCopyIsSendMode == 1) {
-        sprintf(String, "SND:%02u.%02u%%", percent / 100, percent % 100);
-    }
-
-    // Draw gauge
-    if(gAircopyStep != 0)
-    {
-        UI_PrintString(String, 2, 127, 5, 8);
-
-        gFrameBuffer[4][1] = 0x3c;
-        gFrameBuffer[4][2] = 0x42;
-
-        for(uint8_t i = 1; i <= AIRCOPY_BAR_WIDTH + 2; i++)
-        {
-            gFrameBuffer[4][2 + i] = 0x81;
-        }
-
-        gFrameBuffer[4][125] = 0x42;
-        gFrameBuffer[4][126] = 0x3c;
-    }
-    
     // Draw memory selection
-    if(gAircopyState == AIRCOPY_READY)
+    if (gAircopyState == AIRCOPY_READY) 
     {
         doneBlocks = 0;
 
-        memset(gFrameBuffer[5], 0, 128);
-        memset(gFrameBuffer[6], 0, 128);
-
         if(gAircopyCurrentMapIndex < AIRCOPY_NUM_BANKS) {   
-            sprintf(String, "MEM %03u - %03u%", (gAircopyCurrentMapIndex * 128) + 1, (gAircopyCurrentMapIndex + 1) * 128);
-        }
-        else
-        {
-            sprintf(String, "Settings");            
+            sprintf(String, "MEM %03u - %03u", (gAircopyCurrentMapIndex * 128) + 1, (gAircopyCurrentMapIndex + 1) * 128);
+        } else {
+            strcpy(String, "Settings");            
         }
         UI_PrintString(String, 2, 127, 5, 8);
+    } 
+    else 
+    {
+        uint16_t percent = (doneBlocks * 10000) / currentMap->total_blocks;
+
+        if (gAirCopyIsSendMode == 0) {
+            sprintf(String, "RCV:%02u.%02u%% E:%d", percent / 100, percent % 100, gErrorsDuringAirCopy);
+        } else {
+            sprintf(String, "SND:%02u.%02u%%", percent / 100, percent % 100);
+        }
+
+        // Draw gauge
+        if(gAircopyStep != 0)
+        {
+            UI_PrintString(String, 2, 127, 5, 8);
+
+            gFrameBuffer[4][1] = 0x3c;
+            gFrameBuffer[4][2] = 0x42;
+
+            for(uint8_t i = 1; i <= AIRCOPY_BAR_WIDTH + 2; i++)
+            {
+                gFrameBuffer[4][2 + i] = 0x81;
+            }
+
+            gFrameBuffer[4][125] = 0x42;
+            gFrameBuffer[4][126] = 0x3c;
+        }
     }
 
     if (doneBlocks > 0)
@@ -131,19 +125,12 @@ void UI_DisplayAircopy(void)
             lErrorsDuringAirCopy = gErrorsDuringAirCopy;
         }
 
-        const AIRCOPY_TransferMap_t *currentMap = AIRCOPY_GetCurrentMap();
-
-        uint16_t total = currentMap->total_blocks;
-        uint16_t done  = gAirCopyBlockNumber + gErrorsDuringAirCopy;
-        
-        if (done > total) done = total;
+        uint16_t b = 0;
+        uint16_t fraction_accumulator = 0;
 
         for (uint8_t col = 0; col < AIRCOPY_BAR_WIDTH; col++)
         {
-            /* Map column [0..BAR_WIDTH-1] to block [0..total-1] */
-            uint16_t b = (uint16_t)((col * (uint32_t)total) / AIRCOPY_BAR_WIDTH);
-
-            bool processed = (b < done);
+            bool processed = (b < doneBlocks);
             bool error     = processed && get_bit(crc, b);
 
             if (!processed)
@@ -152,8 +139,14 @@ void UI_DisplayAircopy(void)
                 gFrameBuffer[4][col + 4] = 0x81;   // error gap (intentional hole)
             else
                 gFrameBuffer[4][col + 4] = 0xBD;   // ok filled
-        }
 
+            // DDA/Bresenham algorythm
+            fraction_accumulator += currentMap->total_blocks;
+            while (fraction_accumulator >= AIRCOPY_BAR_WIDTH) {
+                fraction_accumulator -= AIRCOPY_BAR_WIDTH;
+                b++;
+            }
+        }
     }
 
     ST7565_BlitFullScreen();

App/ui/fmradio.c

@@ -31,7 +31,7 @@
 
 void UI_DisplayFM(void)
 {
-    char String[16] = {0};
+    char String[16];
     char *pPrintStr = String;
     UI_DisplayClear();
 
@@ -80,7 +80,6 @@ void UI_DisplayFM(void)
 
     UI_PrintString(pPrintStr, 0, 127, 3, 10); // memory, vfo, scan
 
-    memset(String, 0, sizeof(String));
     if (gAskToSave || (gEeprom.FM_IsMrMode && gInputBoxIndex > 0)) {
         UI_GenerateChannelString(String, gFM_ChannelPosition);
     } else if (gAskToDelete) {

App/ui/helper.c

@@ -40,6 +40,8 @@ void UI_GenerateChannelString(char *pString, const uint16_t Channel)
     pString[2] = '-';
     for (i = 0; i < 2; i++)
         pString[i + 3] = (gInputBox[i] == 10) ? '-' : gInputBox[i] + '0';
+
+    pString[5] = 0;
 }
 
 void UI_GenerateChannelStringEx(char *pString, const bool bShowPrefix, const uint16_t ChannelNumber)

App/ui/main.c

@@ -17,6 +17,7 @@
 #include <string.h>
 #include <stdlib.h>  // abs()
 
+#include "app/app.h"
 #include "app/chFrScanner.h"
 #include "app/dtmf.h"
 
@@ -321,16 +322,9 @@ static void ScanProgress_DrawGaugeLine(uint8_t line, uint32_t current_index, uin
     }
 }
 
-static uint8_t ScanProgress_DecimalDigits(uint32_t value)
+static inline uint8_t ScanProgress_DecimalDigits(uint32_t value)
 {
-    uint8_t digits = 1;
-
-    while (value >= 10u) {
-        value /= 10u;
-        digits++;
-    }
-
-    return digits;
+    return sprintf(NULL, "%u", value);
 }
 
 static void ScanProgress_FormatIndex(char *out, size_t out_size, uint32_t current_index, uint32_t total, uint8_t width)
@@ -853,6 +847,8 @@ void UI_DisplayAudioScope(void)
 void DisplayRSSIBar(const bool now)
 {
 #if defined(ENABLE_RSSI_BAR)
+    if (APP_IsScreenSaverDisplayed())
+        return;
 
     const unsigned int txt_width    = 7 * 8;                 // 8 text chars
     const unsigned int bar_x        = 2 + txt_width + 4;     // X coord of bar graph
@@ -899,13 +895,17 @@ void DisplayRSSIBar(const bool now)
                 p_line0[i] = (p_line0[i] & 0x80) | BITMAP_VFO_Empty[i];
         }
 
-        ST7565_BlitLine(RxLine);
+        ST7565_DrawLine(0, RxLine + 1, p_line0, sizeof(BITMAP_VFO_Default));
     }
+
 #else
     const unsigned int line = 3;
 #endif
     uint8_t           *p_line        = gFrameBuffer[line];
     char               str[16];
+#ifdef ENABLE_FEAT_F4HWN
+    uint8_t            oldLine[LCD_WIDTH];
+#endif
 
 #ifndef ENABLE_FEAT_F4HWN
     const char plus[] = {
@@ -930,8 +930,15 @@ void DisplayRSSIBar(const bool now)
         )
         return;     // display is in use
 
+#ifdef ENABLE_FEAT_F4HWN
+    if (now) {
+        memcpy(oldLine, p_line, LCD_WIDTH);
+        memset(p_line, 0, LCD_WIDTH);
+    }
+#else
     if (now)
         memset(p_line, 0, LCD_WIDTH);
+#endif
 
 #ifdef ENABLE_FEAT_F4HWN
     int16_t rssi_dBm =
@@ -1021,8 +1028,13 @@ void DisplayRSSIBar(const bool now)
     UI_PrintStringSmallNormal(str, 2, 0, line);
 #endif
     DrawLevelBar(bar_x, line, s_level + overS9Bars, 13);
+#ifdef ENABLE_FEAT_F4HWN
+    if (now && memcmp(oldLine, p_line, LCD_WIDTH) != 0)
+        ST7565_BlitLine(line);
+#else
     if (now)
         ST7565_BlitLine(line);
+#endif
 #else
     int16_t rssi = BK4819_GetRSSI();
     uint8_t Level;
@@ -1255,6 +1267,16 @@ void UI_DisplayMain(void)
                     UI_FormatFrequency(gScanRangeStop, String);
                     UI_PrintStringSmallNormal(String, 56, 0, line + shift + 1);
 
+                    if (!isMainOnly() && gScanRangeCssCode != 0xFF)
+                    {
+                        if (gScanRangeCssType == CODE_TYPE_CONTINUOUS_TONE)
+                            sprintf(String, "CTCSS %u.%uHz", CTCSS_Options[gScanRangeCssCode] / 10, CTCSS_Options[gScanRangeCssCode] % 10);
+                        else
+                            sprintf(String, "DCS D%03o%c", DCS_Options[gScanRangeCssCode],
+                                gScanRangeCssType == CODE_TYPE_REVERSE_DIGITAL ? 'I' : 'N');
+                        UI_PrintStringSmallNormal(String, 6, 0, line + 2);
+                    }
+
                     if (!isMainOnly())
                         continue;
                 }
@@ -1268,6 +1290,17 @@ void UI_DisplayMain(void)
                 UI_PrintStringSmallNormal(String, 56, 0, line);
                 UI_FormatFrequency(gScanRangeStop, String);
                 UI_PrintStringSmallNormal(String, 56, 0, line + 1);
+
+                if (gScanRangeCssCode != 0xFF)
+                {
+                    if (gScanRangeCssType == CODE_TYPE_CONTINUOUS_TONE)
+                        sprintf(String, "CTCSS:%u.%uHz", CTCSS_Options[gScanRangeCssCode] / 10, CTCSS_Options[gScanRangeCssCode] % 10);
+                    else
+                        sprintf(String, "DCS:D%03o%c", DCS_Options[gScanRangeCssCode],
+                            gScanRangeCssType == CODE_TYPE_REVERSE_DIGITAL ? 'I' : 'N');
+                    UI_PrintStringSmallNormal(String, 2, 0, line + 2);
+                }
+
                 continue;
 #endif
             }
@@ -2087,6 +2120,18 @@ void UI_DisplayMain(void)
     UI_MAIN_PrintAGC(false);
 #endif
 
+#if defined(ENABLE_SCAN_RANGES) && defined(ENABLE_FEAT_F4HWN)
+    if (isMainOnly() && gScanRangeStart && gScanRangeCssCode != 0xFF)
+    {
+        if (gScanRangeCssType == CODE_TYPE_CONTINUOUS_TONE)
+            sprintf(String, "CTCSS %u.%uHz", CTCSS_Options[gScanRangeCssCode] / 10, CTCSS_Options[gScanRangeCssCode] % 10);
+        else
+            sprintf(String, "DCS D%03o%c", DCS_Options[gScanRangeCssCode],
+                                gScanRangeCssType == CODE_TYPE_REVERSE_DIGITAL ? 'I' : 'N');
+        UI_PrintStringSmallNormal(String, 2, 0, 6);
+    }
+#endif
+
     if (center_line == CENTER_LINE_NONE)
     {   // we're free to use the middle line
 
@@ -2140,6 +2185,7 @@ void UI_DisplayMain(void)
         else
 #endif
 
+
 #ifdef ENABLE_RSSI_BAR
         if (rx) {
             center_line = CENTER_LINE_RSSI;

App/ui/menu.c

@@ -171,6 +171,9 @@ const t_menu_item MenuList[] =
 #ifdef ENABLE_FEAT_F4HWN_SCAN_FASTER
     {"SetScn",      MENU_SET_SCN       },
 #endif
+#ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+    {"SetSav",      MENU_SET_SAV       },
+#endif
 #endif
     // hidden menu items from here on
     // enabled if pressing both the PTT and upper side button at power-on
@@ -197,7 +200,7 @@ const t_menu_item MenuList[] =
 
 const uint8_t FIRST_HIDDEN_MENU_ITEM = MENU_F_LOCK;
 
-const char gSubMenu_TXP[][6] =
+const char* const gSubMenu_TXP[] =
 {
     "USER",
     "LOW 1",
@@ -209,29 +212,26 @@ const char gSubMenu_TXP[][6] =
     "HIGH"
 };
 
-const char gSubMenu_SFT_D[][4] =
+const char* const gSubMenu_SFT_D[] =
 {
     "OFF",
     "+",
     "-"
 };
 
-const char gSubMenu_W_N[][7] =
+const char* const gSubMenu_W_N[] =
 {
     "WIDE",
     "NARROW"
 };
 
-const char gSubMenu_OFF_ON[][4] =
+const char* const gSubMenu_OFF_ON[] =
 {
     "OFF",
     "ON"
 };
 
-const char gSubMenu_NA[4] =
-{
-    "N/A"
-};
+const char* gSubMenu_NA = "N/A";
 
 const char* const gSubMenu_RXMode[] =
 {
@@ -242,7 +242,7 @@ const char* const gSubMenu_RXMode[] =
 };
 
 #ifdef ENABLE_VOICE
-    const char gSubMenu_VOICE[][4] =
+    const char* const gSubMenu_VOICE[] =
     {
         "OFF",
         "CHI",
@@ -259,7 +259,7 @@ const char* const gSubMenu_MDF[] =
 };
 
 #ifdef ENABLE_ALARM
-    const char gSubMenu_AL_MOD[][5] =
+    const char* const gSubMenu_AL_MOD[] =
     {
         "SITE",
         "TONE"
@@ -267,7 +267,7 @@ const char* const gSubMenu_MDF[] =
 #endif
 
 #ifdef ENABLE_DTMF_CALLING
-const char gSubMenu_D_RSP[][11] =
+const char* const gSubMenu_D_RSP[] =
 {
     "DO\nNOTHING",
     "RING",
@@ -285,7 +285,7 @@ const char* const gSubMenu_PTT_ID[] =
     "APOLLO\nQUINDAR"
 };
 
-const char gSubMenu_PONMSG[][8] =
+const char* const gSubMenu_PONMSG[] =
 {
 #ifdef ENABLE_FEAT_F4HWN
     "ALL",
@@ -301,20 +301,30 @@ const char gSubMenu_PONMSG[][8] =
     "NONE"
 };
 
-const char gSubMenu_ROGER[][6] =
+#if defined(ENABLE_FEAT_F4HWN) && defined(ENABLE_FEAT_F4HWN_LOGO_SAV)
+const char* const gSubMenu_SET_SAV[] =
+{
+    "OFF",
+    "LOGO",
+    "LOGO+",
+    "MATRIX"
+};
+#endif
+
+const char* const gSubMenu_ROGER[] =
 {
     "OFF",
     "ROGER",
     "MDC"
 };
 
-const char gSubMenu_RESET[][4] =
+const char* const gSubMenu_RESET[] =
 {
     "VFO",
     "ALL"
 };
 
-const char * const gSubMenu_F_LOCK[] =
+const char* const gSubMenu_F_LOCK[] =
 {
     "DEFAULT+\n137-174\n400-470",
     "FCC HAM\n144-148\n420-450",
@@ -335,7 +345,7 @@ const char * const gSubMenu_F_LOCK[] =
     "UNLOCK\nALL",
 };
 
-const char gSubMenu_RX_TX[][6] =
+const char* const gSubMenu_RX_TX[] =
 {
     "OFF",
     "TX",
@@ -343,14 +353,14 @@ const char gSubMenu_RX_TX[][6] =
     "TX/RX"
 };
 
-const char gSubMenu_BAT_TXT[][8] =
+const char* const gSubMenu_BAT_TXT[] =
 {
     "NONE",
     "VOLTAGE",
     "PERCENT"
 };
 
-const char gSubMenu_BATTYP[][12] =
+const char* const gSubMenu_BATTYP[] =
 {
     "1600mAh K5",
     "2200mAh K5",
@@ -359,14 +369,14 @@ const char gSubMenu_BATTYP[][12] =
     "2500mAh K1"
 };
 
-const char gSubMenu_SET_NAV[][17] =
+const char* const gSubMenu_SET_NAV[] =
 {
     "LEFT\nRIGHT\nUV-K1",
     "UP\nDOWN\nUV-K5(8)",
 };
 
 #ifndef ENABLE_FEAT_F4HWN
-const char gSubMenu_SCRAMBLER[][7] =
+const char* const gSubMenu_SCRAMBLER[] =
 {
     "OFF",
     "2600Hz",
@@ -383,7 +393,7 @@ const char gSubMenu_SCRAMBLER[][7] =
 #endif
 
 #ifdef ENABLE_FEAT_F4HWN
-    const char gSubMenu_SET_PWR[][6] =
+    const char* const gSubMenu_SET_PWR[] =
     {
         "< 20m",
         "125m",
@@ -394,13 +404,13 @@ const char gSubMenu_SCRAMBLER[][7] =
         "5"
     };
 
-    const char gSubMenu_SET_PTT[][8] =
+    const char* const gSubMenu_SET_PTT[] =
     {
         "CLASSIC",
         "ONEPUSH"
     };
 
-    const char gSubMenu_SET_TOT[][7] =  // Use by SET_EOT too
+    const char* const gSubMenu_SET_TOT[] =  
     {
         "OFF",
         "SOUND",
@@ -408,20 +418,20 @@ const char gSubMenu_SCRAMBLER[][7] =
         "ALL"
     };
 
-    const char gSubMenu_SET_LCK[][9] =
+    const char* const gSubMenu_SET_LCK[] =
     {
         "KEYS",
         "KEYS+PTT"
     };
 
-    const char gSubMenu_SET_MET[][8] =
+    const char* const gSubMenu_SET_MET[] =
     {
         "TINY",
         "CLASSIC"
     };
 
     #ifdef ENABLE_FEAT_F4HWN_SCAN_FASTER
-        const char gSubMenu_SET_SCN[][7] =
+        const char* const gSubMenu_SET_SCN[] =
         {
             "NORMAL",
             "FAST"
@@ -429,7 +439,7 @@ const char gSubMenu_SCRAMBLER[][7] =
     #endif
 
     #ifdef ENABLE_FEAT_F4HWN_AUDIO
-        const char gSubMenu_SET_AUD_FM[][6] =
+        const char* const gSubMenu_SET_AUD_FM[] =
         {
             "FLAT",
             "CLEAN",
@@ -438,7 +448,7 @@ const char gSubMenu_SCRAMBLER[][7] =
             "MAX"
         };
 
-        const char gSubMenu_SET_AUD_AM[][6] =
+        const char* const gSubMenu_SET_AUD_AM[] =
         {
             "SHARP",
             "STOCK",
@@ -447,7 +457,7 @@ const char gSubMenu_SCRAMBLER[][7] =
     #endif
 
     #ifdef ENABLE_FEAT_F4HWN_NARROWER
-        const char gSubMenu_SET_NFM[][9] =
+        const char* const gSubMenu_SET_NFM[] =
         {
             "NARROW",
             "NARROWER"
@@ -455,7 +465,7 @@ const char gSubMenu_SCRAMBLER[][7] =
     #endif
 
     #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-        const char gSubMenu_SET_KEY[][9] =
+        const char* const gSubMenu_SET_KEY[] =
         {
             "KEY_MENU",
             "KEY_UP",
@@ -496,7 +506,7 @@ const t_sidefunction gSubMenu_SIDEFUNCTIONS[] =
     {"VFO\nMEM",        ACTION_OPT_VFO_MR},
     {"MODE",            ACTION_OPT_SWITCH_DEMODUL},
 #ifdef ENABLE_BLMIN_TMP_OFF
-    {"BLMIN\nTMP OFF",  ACTION_OPT_BLMIN_TMP_OFF},      //BackLight Minimum Temporay OFF
+    {"BLMIN\nTMP OFF",  ACTION_OPT_BLMIN_TMP_OFF},      //BackLight Minimum Temporary OFF
 #endif
 #ifdef ENABLE_FEAT_F4HWN
     {"RX MODE",         ACTION_OPT_RXMODE},
@@ -658,58 +668,56 @@ void UI_DisplayMenu(void)
 #else
     {   // new menu layout .. experimental & unfinished
         const int menu_index = gMenuCursor;  // current selected menu item
-        i = 1;
+        const int menu_count = (int)gMenuListCount;
 
-        if (!gIsInSubMenu) {
-            while (i < 2)
-            {   // leading menu items - small text
-                const int k = menu_index + i - 2;
-                if (k < 0)
-                    UI_PrintStringSmallNormal(MenuList[gMenuListCount + k].name, 0, 0, i);  // wrap-a-round
-                else if (k >= 0 && k < (int)gMenuListCount)
-                    UI_PrintStringSmallNormal(MenuList[k].name, 0, 0, i);
-                i++;
-            }
+        if (menu_index >= 0 && menu_index < menu_count) 
+        {
+            if (!gIsInSubMenu) 
+            {
+                // leading menu items - small text
+                int prev_index = menu_index - 1;
+                if (prev_index < 0) {
+                    prev_index = menu_count - 1;
+                }
+                UI_PrintStringSmallNormal(MenuList[prev_index].name, 0, 0, 1);
 
-            // current menu item - keep big n fat
-            if (menu_index >= 0 && menu_index < (int)gMenuListCount)
+                // current menu item - keep big n fat
                 UI_PrintString(MenuList[menu_index].name, 0, 0, 2, 8);
-            i++;
 
-            while (i < 4)
-            {   // trailing menu item - small text
-                const int k = menu_index + i - 2;
-                if (k >= 0 && k < (int)gMenuListCount)
-                    UI_PrintStringSmallNormal(MenuList[k].name, 0, 0, 1 + i);
-                else if (k >= (int)gMenuListCount)
-                    UI_PrintStringSmallNormal(MenuList[gMenuListCount - k].name, 0, 0, 1 + i);  // wrap-a-round
-                i++;
+                // trailing menu item - small text
+                int next_index = menu_index + 1;
+                if (next_index >= menu_count) {
+                    next_index = 0;
+                }
+                UI_PrintStringSmallNormal(MenuList[next_index].name, 0, 0, 4);
+
+
+                // draw the menu index number/count
+    #ifndef ENABLE_FEAT_F4HWN
+                sprintf(String, "%2u.%u", 1 + menu_index, menu_count);
+                UI_PrintStringSmallNormal(String, 2, 0, 6);
+    #endif
+            }
+            else
+            {   
+                // current menu item
+//              strcat(String, ":");
+                UI_PrintString(MenuList[menu_index].name, 0, 0, 0, 8);
+//              UI_PrintStringSmallNormal(String, 0, 0, 0);
             }
 
-            // draw the menu index number/count
-#ifndef ENABLE_FEAT_F4HWN
-            sprintf(String, "%2u.%u", 1 + gMenuCursor, gMenuListCount);
-            UI_PrintStringSmallNormal(String, 2, 0, 6);
-#endif
+    #ifdef ENABLE_FEAT_F4HWN
+            sprintf(String, "%02u/%u", 1 + menu_index, menu_count);
+            UI_PrintStringSmallNormal(String, 6, 0, 6);
+    #endif
         }
-        else if (menu_index >= 0 && menu_index < (int)gMenuListCount)
-        {   // current menu item
-//          strcat(String, ":");
-            UI_PrintString(MenuList[menu_index].name, 0, 0, 0, 8);
-//          UI_PrintStringSmallNormal(String, 0, 0, 0);
-        }
-
-#ifdef ENABLE_FEAT_F4HWN
-        sprintf(String, "%02u/%u", 1 + gMenuCursor, gMenuListCount);
-        UI_PrintStringSmallNormal(String, 6, 0, 6);
-#endif
     }
 #endif
 
     // **************
 
-    memset(String, 0, sizeof(String));
-    memset(top_right_badge, 0, sizeof(top_right_badge));
+    String[0] = '\0';
+    top_right_badge[0] = '\0';
 
     bool already_printed = false;
 
@@ -923,6 +931,12 @@ void UI_DisplayMenu(void)
             strcpy(String, gSubMenu_OFF_ON[gSubMenuSelection]);
             break;
 
+#if defined(ENABLE_FEAT_F4HWN) && defined(ENABLE_FEAT_F4HWN_LOGO_SAV)
+        case MENU_SET_SAV:
+            strcpy(String, gSubMenu_SET_SAV[gSubMenuSelection]);
+            break;
+#endif
+
         case MENU_MEM_CH:
         case MENU_1_CALL:
         case MENU_DEL_CH:
@@ -1103,11 +1117,19 @@ void UI_DisplayMenu(void)
             break;
 #endif
         case MENU_UPCODE:
-            sprintf(String, "%.8s\n%.8s", gEeprom.DTMF_UP_CODE, gEeprom.DTMF_UP_CODE + 8);
+            if (gEeprom.DTMF_UP_CODE[8] != '\0' && gEeprom.DTMF_UP_CODE[8] != 0xFF) {
+                sprintf(String, "%.8s\n%.8s", gEeprom.DTMF_UP_CODE, gEeprom.DTMF_UP_CODE + 8);
+            } else {
+                sprintf(String, "%.8s", gEeprom.DTMF_UP_CODE);
+            }
             break;
 
         case MENU_DWCODE:
-            sprintf(String, "%.8s\n%.8s", gEeprom.DTMF_DOWN_CODE, gEeprom.DTMF_DOWN_CODE + 8);
+            if (gEeprom.DTMF_DOWN_CODE[8] != '\0' && gEeprom.DTMF_DOWN_CODE[8] != 0xFF) {
+                sprintf(String, "%.8s\n%.8s", gEeprom.DTMF_DOWN_CODE, gEeprom.DTMF_DOWN_CODE + 8);
+            } else {
+                sprintf(String, "%.8s", gEeprom.DTMF_DOWN_CODE);
+            }
             break;
 
 #ifdef ENABLE_DTMF_CALLING
@@ -1441,7 +1463,7 @@ void UI_DisplayMenu(void)
         unsigned int len   = strlen(String);
         bool         small = false;
 
-        if (len > 0)
+        if (String[0] != '\0')
         {
             // count number of lines
             for (i = 0; i < len; i++)
@@ -1508,30 +1530,25 @@ void UI_DisplayMenu(void)
     }
 #endif
 
-    if (m == MENU_R_CTCS ||
-        m == MENU_T_CTCS) {
-        const uint8_t approved_index =
-            (gSubMenuSelection > 0) ? DCS_GetCtcssApprovedIndex(gSubMenuSelection - 1) : 0xFF;
+    const bool is_ctcs = (m == MENU_R_CTCS || m == MENU_T_CTCS);
+    const bool is_dcs  = (m == MENU_R_DCS  || m == MENU_T_DCS);
 
-        if (gSubMenuSelection == 0)
-            sprintf(top_right_badge, "00/00");
-        else if (approved_index != 0xFF)
-            sprintf(top_right_badge, "%02u/%02u", (unsigned)gSubMenuSelection, (unsigned)approved_index + 1);
-        else
-            sprintf(top_right_badge, "%02u/--", (unsigned)gSubMenuSelection);
-    }
-    
-    if (m == MENU_R_DCS ||
-        m == MENU_T_DCS) {
-        const uint8_t approved_index =
-            (gSubMenuSelection > 0) ? DCS_GetDcsApprovedIndex(gSubMenuSelection - 1) : 0xFF;
+    if (is_ctcs || is_dcs) {
+        if (gSubMenuSelection == 0) {
+            strcpy(top_right_badge, is_ctcs ? "00/00" : "000/00");
+        } else {
+            const uint8_t approved_index = is_ctcs ? 
+                DCS_GetCtcssApprovedIndex(gSubMenuSelection - 1) : 
+                DCS_GetDcsApprovedIndex(gSubMenuSelection - 1);
+                
+            const uint8_t width = is_ctcs ? 2 : 3;
 
-        if (gSubMenuSelection == 0)
-            sprintf(top_right_badge, "000/00");
-        else if (approved_index != 0xFF)
-            sprintf(top_right_badge, "%03u/%02u", (unsigned)gSubMenuSelection, (unsigned)approved_index + 1);
-        else
-            sprintf(top_right_badge, "%03u/--", (unsigned)gSubMenuSelection);
+            if (approved_index != 0xFF) {
+                sprintf(top_right_badge, "%0*u/%02u", width, (unsigned)gSubMenuSelection, (unsigned)approved_index + 1);
+            } else {
+                sprintf(top_right_badge, "%0*u/--", width, (unsigned)gSubMenuSelection);
+            }
+        }
     }
 
 #ifdef ENABLE_DTMF_CALLING

App/ui/menu.h

@@ -23,7 +23,7 @@
 #include "audio.h"     // VOICE_ID_t
 #include "settings.h"
 
-typedef struct {
+typedef struct __attribute__((packed)) {
     const char  name[7];    // menu display area only has room for 6 characters
     uint8_t     menu_id;
 } t_menu_item;
@@ -163,76 +163,88 @@ enum
     MENU_F2SHRT,
     MENU_F2LONG,
     MENU_MLONG,
-    MENU_BATTYP
+    MENU_BATTYP,
+#if defined(ENABLE_FEAT_F4HWN) && defined(ENABLE_FEAT_F4HWN_LOGO_SAV)
+    MENU_SET_SAV
+#endif
 };
 
 extern const uint8_t FIRST_HIDDEN_MENU_ITEM;
 extern const t_menu_item MenuList[];
 
-extern const char        gSubMenu_TXP[8][6];
-extern const char        gSubMenu_SFT_D[3][4];
-extern const char        gSubMenu_W_N[2][7];
-extern const char        gSubMenu_OFF_ON[2][4];
-extern const char        gSubMenu_NA[4];
-extern const char        gSubMenu_TOT[11][7];
-extern const char* const gSubMenu_RXMode[4];
+extern const char* const            gSubMenu_TXP[8];
+extern const char* const            gSubMenu_SFT_D[3];
+extern const char* const            gSubMenu_W_N[2];
+extern const char* const            gSubMenu_OFF_ON[2];
+extern const char*                  gSubMenu_NA;
+extern const char* const            gSubMenu_TOT[11];
+extern const char* const            gSubMenu_RXMode[4];
 
 #ifdef ENABLE_VOICE
-    extern const char    gSubMenu_VOICE[3][4];
+    extern const char* const        gSubMenu_VOICE[3];
 #endif
-extern const char* const gSubMenu_MDF[4];
+extern const char* const            gSubMenu_MDF[4];
 #ifdef ENABLE_ALARM
-    extern const char    gSubMenu_AL_MOD[2][5];
+    extern const char* const        gSubMenu_AL_MOD[2];
 #endif
 #ifdef ENABLE_DTMF_CALLING
-extern const char        gSubMenu_D_RSP[4][11];
+extern const char* const            gSubMenu_D_RSP[4];
 #endif
 
 #ifdef ENABLE_FEAT_F4HWN
-    extern const char    gSubMenu_SET_PWR[7][6];
-    extern const char    gSubMenu_SET_PTT[2][8];
-    extern const char    gSubMenu_SET_TOT[4][7];
-    extern const char    gSubMenu_SET_LCK[2][9];
-    extern const char    gSubMenu_SET_MET[2][8];
+    extern const char* const        gSubMenu_SET_PWR[7];
+    extern const char* const        gSubMenu_SET_PTT[2];
+    extern const char* const        gSubMenu_SET_TOT[4];
+    extern const char* const        gSubMenu_SET_LCK[2];
+    extern const char* const        gSubMenu_SET_MET[2];
     #ifdef ENABLE_FEAT_F4HWN_SCAN_FASTER
-        extern const char    gSubMenu_SET_SCN[2][7];
+        extern const char* const    gSubMenu_SET_SCN[2];
     #endif
     #ifdef ENABLE_FEAT_F4HWN_NARROWER
-        extern const char    gSubMenu_SET_NFM[2][9];
+        extern const char* const    gSubMenu_SET_NFM[2];
     #endif
     #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-        extern const char gSubMenu_SET_KEY[][9];
+        extern const char* const    gSubMenu_SET_KEY[5];
     #endif
     #ifdef ENABLE_FEAT_F4HWN_AUDIO
-        extern const char    gSubMenu_SET_AUD_FM[5][6];
-        extern const char    gSubMenu_SET_AUD_AM[3][6];
+        extern const char* const    gSubMenu_SET_AUD_FM[5];
+        extern const char* const    gSubMenu_SET_AUD_AM[3];
+    #endif
+    #ifdef ENABLE_FEAT_F4HWN_LOGO_SAV
+        extern const char* const    gSubMenu_SET_SAV[];
     #endif
 #endif
 
 extern const char* const gSubMenu_PTT_ID[5];
 #ifdef ENABLE_FEAT_F4HWN
     #ifdef ENABLE_FEAT_F4HWN_LOGO
-        extern const char        gSubMenu_PONMSG[6][8];
+        extern const char* const    gSubMenu_PONMSG[6];
     #else
-        extern const char        gSubMenu_PONMSG[5][8];
+        extern const char* const    gSubMenu_PONMSG[5];
     #endif
 #else
-    extern const char        gSubMenu_PONMSG[4][8];
+    extern const char* const        gSubMenu_PONMSG[4];
 #endif
-extern const char        gSubMenu_ROGER[3][6];
-extern const char        gSubMenu_RESET[2][4];
-extern const char* const gSubMenu_F_LOCK[F_LOCK_LEN];
-extern const char        gSubMenu_RX_TX[4][6];
-extern const char        gSubMenu_BAT_TXT[3][8];
-extern const char        gSubMenu_BATTYP[5][12];
+
+extern const char* const            gSubMenu_ROGER[3];
+extern const char* const            gSubMenu_RESET[2];
+extern const char* const            gSubMenu_F_LOCK[F_LOCK_LEN];
+extern const char* const            gSubMenu_RX_TX[4];
+extern const char* const            gSubMenu_BAT_TXT[3];
+extern const char* const            gSubMenu_BATTYP[5];
+extern const char* const            gSubMenu_SET_NAV[2];
 
 #ifndef ENABLE_FEAT_F4HWN
-    extern const char        gSubMenu_SCRAMBLER[11][7];
+    extern const char* const        gSubMenu_SCRAMBLER[11];
 #endif
 
-typedef struct {char* name; uint8_t id;} t_sidefunction;
+typedef struct /* __attribute__((packed)) */ {
+    const char* name; 
+    uint8_t     id;
+} t_sidefunction;
+
 extern const uint8_t         gSubMenu_SIDEFUNCTIONS_size;
-extern const t_sidefunction gSubMenu_SIDEFUNCTIONS[];
+extern const t_sidefunction  gSubMenu_SIDEFUNCTIONS[];
                          
 extern bool              gIsInSubMenu;
                          

App/ui/scanner.c

@@ -26,58 +26,56 @@
 
 void UI_DisplayScanner(void)
 {
-    char  String[16] = {0};
+    char String[16];
     char *pPrintStr = String;
-    bool bCentered;
-    uint8_t Start;
 
     UI_DisplayClear();
 
-    if (gScanSingleFrequency || (gScanCssState != SCAN_CSS_STATE_OFF && gScanCssState != SCAN_CSS_STATE_FAILED)) {
-        sprintf(String, "FREQ:%u.%05u", gScanFrequency / 100000, gScanFrequency % 100000);
+    // 1st line
+    if (gScannerSaveState == SCAN_SAVE_CHANNEL) {
+        pPrintStr = "Save?";
+    } else if (gScannerSaveState == SCAN_SAVE_CHAN_SEL) {
+        strcpy(String, "Save:");
+        UI_GenerateChannelStringEx(String + 5, gShowChPrefix, gScanChannel);
         pPrintStr = String;
+    } else if ((gScanCssState < SCAN_CSS_STATE_FOUND) && ((gScanProgressIndicator & 1u) != 0)) {
+        pPrintStr = "";
+    } else if (gScanCssState == SCAN_CSS_STATE_OFF) {
+        pPrintStr = "Search Freq";
+    } else if (gScanCssState == SCAN_CSS_STATE_SCANNING) {
+        pPrintStr = "Search Tone";
+    } else if (gScanCssState == SCAN_CSS_STATE_FOUND) {
+        pPrintStr = "Scan Complete";
     } else {
-        pPrintStr = "FREQ:**.*****";
+        pPrintStr = "Scan Failed";
     }
 
     UI_PrintString(pPrintStr, 2, 0, 1, 8);
 
-    if (gScanCssState < SCAN_CSS_STATE_FOUND || !gScanUseCssResult) {
-        pPrintStr = "CTC:******";
+    // 2nd line
+    if (gScanSingleFrequency || (gScanCssState != SCAN_CSS_STATE_OFF && gScanCssState != SCAN_CSS_STATE_FAILED)) {
+        sprintf(String, "Freq:%u.%05u", gScanFrequency / 100000, gScanFrequency % 100000);
+        pPrintStr = String;
+    } else {
+        pPrintStr = "Freq:---.-----";
+    }
+
+    UI_PrintString(pPrintStr, 2, 0, 3, 8);
+
+    // 3rd line
+    if (gScanCssState < SCAN_CSS_STATE_FOUND) {
+        pPrintStr = "Tone:---";
+    } else if (!gScanUseCssResult) {
+        pPrintStr = "Tone:None";
     } else if (gScanCssResultType == CODE_TYPE_CONTINUOUS_TONE) {
-        sprintf(String, "CTC:%u.%uHz", CTCSS_Options[gScanCssResultCode] / 10, CTCSS_Options[gScanCssResultCode] % 10);
+        sprintf(String, "CTCSS:%u.%uHz", CTCSS_Options[gScanCssResultCode] / 10, CTCSS_Options[gScanCssResultCode] % 10);
         pPrintStr = String;
     } else {
         sprintf(String, "DCS:D%03oN", DCS_Options[gScanCssResultCode]);
         pPrintStr = String;
     }
-
-    UI_PrintString(pPrintStr, 2, 0, 3, 8);
-    memset(String, 0, sizeof(String));
-    if (gScannerSaveState == SCAN_SAVE_CHANNEL) {
-        pPrintStr = "SAVE?";
-        Start     = 0;
-        bCentered = 1;
-    } else {
-        Start     = 2;
-        bCentered = 0;
-
-        if (gScannerSaveState == SCAN_SAVE_CHAN_SEL) {
-            strcpy(String, "SAVE:");
-            UI_GenerateChannelStringEx(String + 5, gShowChPrefix, gScanChannel);
-            pPrintStr = String;
-        } else if (gScanCssState < SCAN_CSS_STATE_FOUND) {
-            strcpy(String, "SCAN");
-            memset(String + 4, '.', (gScanProgressIndicator & 7) + 1);
-            pPrintStr = String;
-        } else if (gScanCssState == SCAN_CSS_STATE_FOUND) {
-            pPrintStr = "SCAN CMP.";
-        } else {
-            pPrintStr = "SCAN FAIL.";
-        }
-    }
-
-    UI_PrintString(pPrintStr, Start, bCentered ? 127 : 0, 5, 8);
+ 
+    UI_PrintString(pPrintStr, 2, 0, 5, 8);
 
     ST7565_BlitFullScreen();
 }

App/ui/status.c

@@ -16,6 +16,7 @@
 
 #include <string.h>
 
+#include "app/app.h"
 #include "app/chFrScanner.h"
 #ifdef ENABLE_FMRADIO
     #include "app/fm.h"
@@ -48,22 +49,24 @@ static void convertTime(uint8_t *line, uint8_t type)
     char str[6];
     sprintf(str, "%02u:%02u", m, s);
     UI_PrintStringSmallBufferNormal(str, line);
-
-    gUpdateStatus = true;
 }
 #endif
 #endif
 
 void UI_DisplayStatus()
 {
-    char str[8] = "";
-
     gUpdateStatus = false;
+
+    if (APP_IsScreenSaverDisplayed())
+        return;
+
     UI_StatusClear();
 
     uint8_t     *line = gStatusLine;
     unsigned int x    = 0;
 
+    char str[8] = "";
+
 #ifdef ENABLE_NOAA
     // NOAA indicator
     if (!(gScanStateDir != SCAN_OFF || SCANNER_IsScanning()) && gIsNoaaMode) { // NOASS SCAN indicator
@@ -99,8 +102,8 @@ void UI_DisplayStatus()
 
                 if(gEeprom.SCAN_LIST_DEFAULT == MR_CHANNELS_LIST + 1)
                 {
-                    sprintf(str, gEeprom.SCAN_LIST_ENABLED ? "%s+" : "%s", "ALL");
-                    end = gEeprom.SCAN_LIST_ENABLED ? 18 : 14;
+                    strcpy(str, "ALL");
+                    end = 14;
                 }
                 else
                 {
@@ -108,15 +111,19 @@ void UI_DisplayStatus()
 
                     // Check if name is valid
                     if (!IsEmptyName(name, sizeof(gListName[0]))) {
-                        sprintf(str, "%.3s%s", name, gEeprom.SCAN_LIST_ENABLED ? "+" : "");
-                        end = gEeprom.SCAN_LIST_ENABLED ? 18 : 14;
-                    } 
-                    else {
-                        sprintf(str, "%02d%s", gEeprom.SCAN_LIST_DEFAULT, gEeprom.SCAN_LIST_ENABLED ? "+" : "");
-                        end = gEeprom.SCAN_LIST_ENABLED ? 14 : 10;
+                        sprintf(str, "%.3s", name);
+                        end = 14;
+                    } else {
+                        sprintf(str, "%02d", gEeprom.SCAN_LIST_DEFAULT);
+                        end = 10;
                     }
                 }
 
+                if (gEeprom.SCAN_LIST_ENABLED) {
+                    strcat(str, "+");
+                    end += 4;
+                }
+
                 GUI_DisplaySmallest(str, 2, 1, true, true);
 
                 gStatusLine[0] ^= 0x3E;

App/ui/welcome.c

@@ -44,6 +44,21 @@
 #define LOGO_FLASH_ADDR     0x011000
 #define LOGO_HEADER_SIZE    8
 #define LOGO_BITMAP_ADDR    (LOGO_FLASH_ADDR + LOGO_HEADER_SIZE)
+
+static void UI_LoadLogo(void)
+{
+    // Skip 8-byte header, then read 128x64 bitmap (1024 B):
+    // page 0 -> gStatusLine, pages 1..7 -> gFrameBuffer.
+    PY25Q16_ReadBuffer(LOGO_BITMAP_ADDR, gStatusLine, sizeof(gStatusLine));
+    PY25Q16_ReadBuffer(LOGO_BITMAP_ADDR + sizeof(gStatusLine), gFrameBuffer, sizeof(gFrameBuffer));
+}
+
+void UI_DisplayLogo(void)
+{
+    UI_LoadLogo();
+    ST7565_BlitStatusLine();
+    ST7565_BlitFullScreen();
+}
 #endif
 
 #ifdef ENABLE_FEAT_F4HWN_QRCODE
@@ -217,11 +232,6 @@ void UI_DisplayReleaseKeys(void)
 
 void UI_DisplayWelcome(void)
 {
-    char WelcomeString0[16];
-    char WelcomeString1[16];
-    char WelcomeString2[16];
-    char WelcomeString3[32];
-
     UI_StatusClear();
 
 #if defined(ENABLE_FEAT_F4HWN_CTR) || defined(ENABLE_FEAT_F4HWN_INV)
@@ -229,36 +239,30 @@ void UI_DisplayWelcome(void)
 #endif
     UI_DisplayClear();
 
-#ifdef ENABLE_FEAT_F4HWN_LOGO
-    if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_LOGO) {
-        // Skip 8-byte header, then read 128x64 bitmap (1024 B):
-        // page 0 -> gStatusLine, pages 1..7 -> gFrameBuffer.
-        PY25Q16_ReadBuffer(LOGO_BITMAP_ADDR, gStatusLine, sizeof(gStatusLine));
-        PY25Q16_ReadBuffer(LOGO_BITMAP_ADDR + sizeof(gStatusLine), gFrameBuffer, sizeof(gFrameBuffer));
-        ST7565_BlitStatusLine();
-        ST7565_BlitFullScreen();
-        #ifdef ENABLE_FEAT_F4HWN_SCREENSHOT
-            SCREENSHOT_Update(true);
-        #endif
-        return;
-    }
-#endif
-
 #ifdef ENABLE_FEAT_F4HWN
     ST7565_BlitStatusLine();
     ST7565_BlitFullScreen();
 
     if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_NONE || gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_SOUND) {
         ST7565_FillScreen(0x00);
+        return;
     }
 #else
     if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_NONE || gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_FULL_SCREEN) {
         ST7565_FillScreen(0xFF);
+        return;
+    }
+#endif
+#ifdef ENABLE_FEAT_F4HWN_LOGO
+    else if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_LOGO) {
+        UI_LoadLogo();
     }
 #endif
     else {
-        memset(WelcomeString0, 0, sizeof(WelcomeString0));
-        memset(WelcomeString1, 0, sizeof(WelcomeString1));
+        char WelcomeString0[16];
+        char WelcomeString1[16];
+        char WelcomeString2[16];
+        char WelcomeString3[32];
 
         // 0x0EB0
         PY25Q16_ReadBuffer(0x00A0C8, WelcomeString0, 16);
@@ -346,12 +350,12 @@ void UI_DisplayWelcome(void)
 #else
         UI_PrintStringSmallNormal(Version, 0, 127, 6);
 #endif
-
-        //ST7565_BlitStatusLine();  // blank status line : I think it's useless
-        ST7565_BlitFullScreen();
-
-        #ifdef ENABLE_FEAT_F4HWN_SCREENSHOT
-            SCREENSHOT_Update(true);
-        #endif
     }
+
+    ST7565_BlitStatusLine();
+    ST7565_BlitFullScreen();
+
+    #ifdef ENABLE_FEAT_F4HWN_SCREENSHOT
+        SCREENSHOT_Update(true);
+    #endif
 }

App/ui/welcome.h

@@ -23,6 +23,10 @@
 void UI_DisplayReleaseKeys(void);
 void UI_DisplayWelcome(void);
 
+#ifdef ENABLE_FEAT_F4HWN_LOGO
+void UI_DisplayLogo(void);
+#endif
+
 #ifdef ENABLE_FEAT_F4HWN_QRCODE
 // Draw the embedded GitHub QR code (V4, 33x33) at (origin_x, origin_y).
 // `wiki` selects the wiki URL bitmap, otherwise the repo URL bitmap.
@@ -35,4 +39,3 @@ void UI_GetMemPercents(uint16_t *flash_pct_x100, uint16_t *ram_pct_x100);
 #endif
 
 #endif
-

CMakePresets.json

@@ -34,7 +34,7 @@
                 "ENABLE_BOOT_BEEPS": false,
                 "ENABLE_SHOW_CHARGE_LEVEL": false,
                 "ENABLE_REVERSE_BAT_SYMBOL": false,
-                "ENABLE_NO_CODE_SCAN_TIMEOUT": true,
+                "ENABLE_NO_CODE_SCAN_TIMEOUT": false,
                 "ENABLE_SQUELCH_MORE_SENSITIVE": true,
                 "ENABLE_FASTER_CHANNEL_SCAN": true,
                 "ENABLE_RSSI_BAR": true,
@@ -72,6 +72,7 @@
                 "ENABLE_FEAT_F4HWN_SCAN_FASTER": false,
                 "ENABLE_FEAT_F4HWN_BEAM": false,
                 "ENABLE_FEAT_F4HWN_LOGO": false,
+                "ENABLE_FEAT_F4HWN_LOGO_SAV": false,
                 "ENABLE_AGC_SHOW_DATA": false,
                 "ENABLE_UART_RW_BK_REGS": false,
                 "ENABLE_SWD": false,
@@ -202,6 +203,7 @@
                 "ENABLE_FEAT_F4HWN_QRCODE": true,
                 "ENABLE_FEAT_F4HWN_MEM": true,
                 "ENABLE_FEAT_F4HWN_LOGO": true,
+                "ENABLE_FEAT_F4HWN_LOGO_SAV": true,
                 "ENABLE_SWD": true,
                 "EDITION_STRING": "Fusion",
                 "TARGET": "f4hwn.fusion"