diff --git a/AI_RULES.md b/AI_RULES.md
index f8d64f9..39147b8 100644
--- a/AI_RULES.md
+++ b/AI_RULES.md
@@ -119,9 +119,11 @@ menu of short prompts; the screen is edge-to-edge text (no borders or decoration
   touch, detected by the `espressif/m5stack_tab5` BSP), rotated to 1280x720 landscape by the
   PPA (`LV_DISPLAY_ROTATION_90`, keyboard at the bottom); LVGL buffers in PSRAM. Backlight
   GPIO 22. System I2C on GPIO 31/32 (BSP): IO expanders, touch, codecs, INA226 battery monitor.
-- IO expanders (PI4IOE5V6408), reset by the BSP at init: 0x43 P1 speaker amp, P2 5 V to the
-  side port (the keyboard needs it), P4 LCD reset, P5 touch reset; 0x44 P0 ESP32-C6 power,
-  P5 fast-charge (low = on), P7 charger enable. `board::init_power()` sets them: the battery
+- IO expanders (PI4IOE5V6408), reset by the BSP at init: 0x43 P0 antenna (low = internal),
+  P1 speaker amp, P2 5 V to the side port (the keyboard needs it), P4 LCD reset, P5 touch
+  reset; 0x44 P0 ESP32-C6 power, P3 USB-A 5 V, P4 power-off pulse, P5 quick charge (low = on),
+  P7 charger enable. The reset leaves every pin high-impedance: an output only drives once set
+  push-pull (`esp_io_expander_set_output_mode()`). `board::init_power()` sets them: the battery
   charges only while firmware enables the charger.
 - Keyboard: STM32 at I2C 0x6D on its own bus (G0 SDA, G1 SCL), INT G50 low while events are
   queued, raw mode (press/release by row/column; reading 0x20 pops an event, so never retry
diff --git a/README.md b/README.md
index 8fefa6f..ffc8382 100644
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@ OpenAI, and only while you use ChatGPT.
   the Tab5 keyboard just press them: Ctrl+letter, Tab and Esc go straight to the server.
 - **History**: roll the trackball left (older) or right (newer). Tab5: Up / Down.
 - **Disconnect**: type `exit` to return to the menu.
-- **ChatGPT**: type to chat, or hold the trackball (Tab5: hold Ctrl+Space) to speak and let
+- **ChatGPT**: type to chat, or hold the trackball (Tab5: hold Ctrl) to speak and let
   go to send. Start talking
   once `* Recording` shows. Your speech is transcribed by OpenAI's speech-to-text model, then
   sent as your message to the chat model you picked. If the microphone picks up nothing, the
@@ -118,7 +118,7 @@ at a time. Use one-shot commands instead, for example `top -n 1`.
 | Aa | Hold for capitals; tap for one capital; tap twice for caps lock |
 | Sym + key | The key's second symbol (`?` `/` `<` `>` `{` `}` `\|` `~` `:` `"` `=` `,`) |
 | Ctrl + letter | Control code to the server (Ctrl+C, Ctrl+D, Ctrl+Z, Ctrl+L ...) |
-| Ctrl+Space (hold) | Talk to ChatGPT; held for a second elsewhere, deletes the shown history entry |
+| Ctrl (hold on its own) | Talk to ChatGPT while held; held for a second elsewhere, deletes the shown history entry |
 
 Held keys repeat. The keyboard can be attached or removed while SimplrSSH runs, and the Tab5
 charges its battery over USB-C while SimplrSSH runs.
diff --git a/main/board_tab5.cpp b/main/board_tab5.cpp
index edf5492..afbaf0d 100644
--- a/main/board_tab5.cpp
+++ b/main/board_tab5.cpp
@@ -21,16 +21,19 @@
 static const char *TAG = "board";
 
 const char* const board::NAME = "Tab5";
-const char* const board::HINT_TALK = "hold Ctrl+Space";
+const char* const board::HINT_TALK = "hold Ctrl";
 const char* const board::HINT_SCROLL = "Sym+Up/Down or drag: scroll.";
 const char* const board::HINT_HISTORY = "Up/Down: history.";
 const char* const board::SCREEN_DESC = "a 5-inch tablet with a 1280x720 text screen";
 
 // IO expander pins (M5Stack Tab5 pin map)
+static const uint32_t IO_RF_EXTERNAL = IO_EXPANDER_PIN_NUM_0;  // 0x43 P0: antenna, low = internal
 static const uint32_t IO_SPEAKER_EN = IO_EXPANDER_PIN_NUM_1;   // 0x43 P1: NS4150B amplifier
 static const uint32_t IO_EXT5V_EN = IO_EXPANDER_PIN_NUM_2;     // 0x43 P2: 5 V to the side port (keyboard)
 static const uint32_t IO1_WLAN_PWR_EN = IO_EXPANDER_PIN_NUM_0; // 0x44 P0: ESP32-C6 power
-static const uint32_t IO1_QC_DISABLE = IO_EXPANDER_PIN_NUM_5;  // 0x44 P5: low = fast charge allowed
+static const uint32_t IO1_USB5V_EN = IO_EXPANDER_PIN_NUM_3;    // 0x44 P3: 5 V out of the USB-A port
+static const uint32_t IO1_PWROFF = IO_EXPANDER_PIN_NUM_4;      // 0x44 P4: power-off pulse
+static const uint32_t IO1_NQC_EN = IO_EXPANDER_PIN_NUM_5;      // 0x44 P5: low = quick charge
 static const uint32_t IO1_CHARGE_EN = IO_EXPANDER_PIN_NUM_7;   // 0x44 P7: IP2326 charger on
 
 static bool s_wifi_ready = false;
@@ -50,23 +53,30 @@ const board::Ui& board::ui()
 
 void board::init_power()
 {
-    // Both expanders are reset by their driver on first use (all inputs): set what SimplrSSH needs
+    // Both expanders are reset by their driver on first use: set what SimplrSSH needs
     esp_io_expander_handle_t io = bsp_io_expander_init();
     esp_io_expander_handle_t io1 = bsp_io_expander1_init();
     if (!io || !io1) {
         ESP_LOGE(TAG, "IO expanders not reachable");
         return;
     }
-    // Speaker amplifier off until audio_tab5.cpp plays something; side-port 5 V on for the keyboard
-    esp_io_expander_set_dir(io, IO_SPEAKER_EN | IO_EXT5V_EN, IO_EXPANDER_OUTPUT);
-    esp_io_expander_set_level(io, IO_SPEAKER_EN, 0);
+    // The driver's reset leaves every pin high-impedance (pulled low): each output must be set
+    // push-pull, or it never drives. Levels as M5Stack's own firmware sets them.
+    // Internal antenna; speaker amplifier off until audio_tab5.cpp plays; side-port 5 V on for the keyboard
+    const uint32_t outs = IO_RF_EXTERNAL | IO_SPEAKER_EN | IO_EXT5V_EN;
+    esp_io_expander_set_dir(io, outs, IO_EXPANDER_OUTPUT);
+    esp_io_expander_set_level(io, IO_RF_EXTERNAL | IO_SPEAKER_EN, 0);
     esp_io_expander_set_level(io, IO_EXT5V_EN, 1);
+    esp_io_expander_set_output_mode(io, outs, IO_EXPANDER_OUTPUT_MODE_PUSH_PULL);
 
     // Power the WiFi co-processor now, so it has booted by the time WiFi is first used.
-    // The battery only charges while the firmware enables the charger (as the factory firmware does).
-    esp_io_expander_set_dir(io1, IO1_WLAN_PWR_EN | IO1_QC_DISABLE | IO1_CHARGE_EN, IO_EXPANDER_OUTPUT);
-    esp_io_expander_set_level(io1, IO1_WLAN_PWR_EN, 1);
-    esp_io_expander_set_level(io1, IO1_QC_DISABLE, 0);
+    // The battery only charges while the firmware enables the charger (standard charging, as
+    // the factory firmware does). USB-A 5 V off, no power-off pulse.
+    const uint32_t outs1 = IO1_WLAN_PWR_EN | IO1_USB5V_EN | IO1_PWROFF | IO1_NQC_EN | IO1_CHARGE_EN;
+    esp_io_expander_set_dir(io1, outs1, IO_EXPANDER_OUTPUT);
+    esp_io_expander_set_level(io1, IO1_USB5V_EN | IO1_PWROFF | IO1_CHARGE_EN, 0);
+    esp_io_expander_set_level(io1, IO1_WLAN_PWR_EN | IO1_NQC_EN, 1);
+    esp_io_expander_set_output_mode(io1, outs1, IO_EXPANDER_OUTPUT_MODE_PUSH_PULL);
     vTaskDelay(pdMS_TO_TICKS(50));
     esp_io_expander_set_level(io1, IO1_CHARGE_EN, 1);
 }
diff --git a/main/chat_app.cpp b/main/chat_app.cpp
index 6e0b10c..6dea1d6 100644
--- a/main/chat_app.cpp
+++ b/main/chat_app.cpp
@@ -1,7 +1,7 @@
 /*
  * ChatGPT App
  * One chat session with an OpenAI model: your messages right-aligned, replies
- * left-aligned, the input line at the bottom. Hold the trackball (Tab5: Ctrl+Space) to talk
+ * left-aligned, the input line at the bottom. Hold the trackball (Tab5: Ctrl) to talk
  * (Whisper), optionally hear the reply (TTS). Network and audio work runs in a
  * short-lived worker task, so the screen and keyboard stay responsive.
  *
diff --git a/main/include/tab5_keymap.hpp b/main/include/tab5_keymap.hpp
index 155cd5c..f742315 100644
--- a/main/include/tab5_keymap.hpp
+++ b/main/include/tab5_keymap.hpp
@@ -3,14 +3,14 @@
  * Turns the Tab5 Keyboard's raw key presses and releases (row 0-4, column 0-13) into
  * SimplrSSH keys (input_events.hpp). The keyboard firmware reports only positions; this does
  * the legends, the Sym layer, Aa (hold = shift, tap = one capital, double tap = caps lock),
- * Ctrl codes, auto-repeat and Ctrl+Space push-to-talk. No ESP-IDF headers: tested on the host.
+ * Ctrl codes, auto-repeat and Ctrl push-to-talk. No ESP-IDF headers: tested on the host.
  *
  *   Up / Down             older / newer command, previous / next menu choice
  *   Left / Right          move the cursor; Sym+Left / Sym+Right: start / end of the line
  *   Sym+Up / Sym+Down     scroll the screen
  *   Del                   delete at the cursor
  *   Ctrl+letter           control code (Ctrl+C = 3 ...), also Ctrl+[ \ ] ^ _ /
- *   Ctrl+Space (hold)     push-to-talk in ChatGPT; held 1 s elsewhere: delete history entry
+ *   Ctrl (hold alone)     push-to-talk in ChatGPT; held 1 s elsewhere: delete history entry
  */
 
 #ifndef TAB5_KEYMAP_HPP
@@ -54,7 +54,8 @@ class Tab5Keymap
     uint32_t repeat_value = 0;
     uint32_t repeat_next_ms = 0;
 
-    bool talk_down = false;        // Ctrl+Space held
+    bool talk_down = false;        // Ctrl held, no other key pressed before HOLD_MS
+    bool talk_used = false;        // Another key pressed while talking
     bool talk_holding = false;     // HOLD_START sent
     uint32_t talk_pressed_ms = 0;
 
diff --git a/main/tab5_keymap.cpp b/main/tab5_keymap.cpp
index 43a2537..54ff1ae 100644
--- a/main/tab5_keymap.cpp
+++ b/main/tab5_keymap.cpp
@@ -32,7 +32,6 @@ static bool is_sym(int r, int c) { return at(r, c, 3, 0); }
 static bool is_aa(int r, int c) { return at(r, c, 3, 1); }
 static bool is_ctrl(int r, int c) { return at(r, c, 4, 0); }
 static bool is_alt(int r, int c) { return at(r, c, 4, 1); }
-static bool is_space(int r, int c) { return at(r, c, 4, 13); }
 
 // a - b >= 0 for wrapping millisecond counters
 static bool reached(uint32_t now, uint32_t when)
@@ -101,12 +100,35 @@ void Tab5Keymap::key_event(bool pressed, int row, int col, uint32_t now_ms)
     if (row < 0 || row >= ROWS || col < 0 || col >= COLS) {
         return;
     }
-    if (is_sym(row, col)) {
-        sym = pressed;
-        return;
-    }
     if (is_ctrl(row, col)) {
         ctrl = pressed;
+        if (pressed) {
+            // Ctrl on its own is push-to-talk once held for HOLD_MS (tick)
+            talk_down = true;
+            talk_holding = false;
+            talk_used = false;
+            talk_pressed_ms = now_ms;
+        } else if (talk_down) {
+            talk_down = false;
+            if (talk_holding) {
+                talk_holding = false;
+                // A long hold deletes a history entry outside ChatGPT: only when Ctrl was alone
+                bool long_hold = !talk_used && now_ms - talk_pressed_ms >= LONG_HOLD_MS;
+                push(KEY_EVENT | (long_hold ? INPUT_HOLD_END_LONG : INPUT_HOLD_END));
+            }
+        }
+        return;
+    }
+    if (pressed && talk_down) {
+        // Another key with Ctrl: a control code (Ctrl+C ...), not talking
+        if (talk_holding) {
+            talk_used = true;
+        } else {
+            talk_down = false;
+        }
+    }
+    if (is_sym(row, col)) {
+        sym = pressed;
         return;
     }
     if (is_alt(row, col)) {
@@ -141,25 +163,12 @@ void Tab5Keymap::key_event(bool pressed, int row, int col, uint32_t now_ms)
         if (id == repeat_key) {
             repeat_key = -1;
         }
-        if (is_space(row, col) && talk_down) {
-            talk_down = false;
-            if (talk_holding) {
-                talk_holding = false;
-                push(KEY_EVENT | (now_ms - talk_pressed_ms >= LONG_HOLD_MS ? INPUT_HOLD_END_LONG : INPUT_HOLD_END));
-            }
-        }
         return;
     }
 
     if (aa_down) {
         aa_used = true;
     }
-    if (is_space(row, col) && ctrl) {
-        talk_down = true;
-        talk_holding = false;
-        talk_pressed_ms = now_ms;
-        return;
-    }
     bool repeats = false;
     uint32_t value = translate(row, col, &repeats);
     one_shot = false;
@@ -191,6 +200,6 @@ void Tab5Keymap::reset()
         push(KEY_EVENT | INPUT_HOLD_END);   // Stop a recording in progress
     }
     sym = ctrl = aa_down = aa_used = one_shot = caps_lock = false;
-    talk_down = talk_holding = false;
+    talk_down = talk_holding = talk_used = false;
     repeat_key = -1;
 }
diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index 08ab05d..6f355f0 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -12,6 +12,16 @@ CONFIG_LWIP_IPV6=n
 # libssh2 protocol tracing is never used in production and could log session data
 CONFIG_LIBSSH2_DEBUG_ENABLE=n
 
+# --- Build and boot (both boards) ---------------------------------------------
+# app_main mounts the SD card, starts the display and touch and builds the terminal screen
+# before handing over to keypad_task; the 3.5 KB default overflows. Freed when it returns.
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=12288
+# Optimize for speed (TLS, SSH crypto, rendering); assertions compiled out
+CONFIG_COMPILER_OPTIMIZATION_PERF=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+# Problems only in the log (AI_RULES.md: ESP_LOGI sparingly)
+CONFIG_LOG_DEFAULT_LEVEL_WARN=y
+
 # --- Internal RAM: move bulk buffers to PSRAM --------------------------------
 # WiFi/LWIP buffers in PSRAM when possible
 CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
diff --git a/sdkconfig.tab5 b/sdkconfig.tab5
index ca72aa2..b5673d8 100644
--- a/sdkconfig.tab5
+++ b/sdkconfig.tab5
@@ -783,17 +783,17 @@ CONFIG_SENSORS_EVENT_STACK_SIZE=4096
 #
 # Compiler options
 #
-CONFIG_COMPILER_OPTIMIZATION_DEBUG=y
+# CONFIG_COMPILER_OPTIMIZATION_DEBUG is not set
 # CONFIG_COMPILER_OPTIMIZATION_SIZE is not set
-# CONFIG_COMPILER_OPTIMIZATION_PERF is not set
+CONFIG_COMPILER_OPTIMIZATION_PERF=y
 # CONFIG_COMPILER_OPTIMIZATION_NONE is not set
-CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE=y
+# CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE is not set
 # CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT is not set
-# CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE is not set
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
 CONFIG_COMPILER_ASSERT_NDEBUG_EVALUATE=y
 # CONFIG_COMPILER_FLOAT_LIB_FROM_GCCLIB is not set
 CONFIG_COMPILER_FLOAT_LIB_FROM_RVFPLIB=y
-CONFIG_COMPILER_OPTIMIZATION_ASSERTION_LEVEL=2
+CONFIG_COMPILER_OPTIMIZATION_ASSERTION_LEVEL=0
 # CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT is not set
 CONFIG_COMPILER_HIDE_PATHS_MACROS=y
 # CONFIG_COMPILER_CXX_EXCEPTIONS is not set
@@ -1530,7 +1530,7 @@ CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=y
 
 CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=32
 CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2304
-CONFIG_ESP_MAIN_TASK_STACK_SIZE=3584
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=12288
 CONFIG_ESP_MAIN_TASK_AFFINITY_CPU0=y
 # CONFIG_ESP_MAIN_TASK_AFFINITY_CPU1 is not set
 # CONFIG_ESP_MAIN_TASK_AFFINITY_NO_AFFINITY is not set
@@ -1731,7 +1731,6 @@ CONFIG_FREERTOS_TASK_NOTIFICATION_ARRAY_ENTRIES=1
 #
 # Port
 #
-CONFIG_FREERTOS_TASK_FUNCTION_WRAPPER=y
 # CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK is not set
 CONFIG_FREERTOS_TLSP_DELETION_CALLBACKS=y
 # CONFIG_FREERTOS_TASK_PRE_DELETION_HOOK is not set
@@ -1768,9 +1767,7 @@ CONFIG_FREERTOS_IN_IRAM=y
 #
 CONFIG_HAL_ASSERTION_EQUALS_SYSTEM=y
 # CONFIG_HAL_ASSERTION_DISABLE is not set
-# CONFIG_HAL_ASSERTION_SILENT is not set
-# CONFIG_HAL_ASSERTION_ENABLE is not set
-CONFIG_HAL_DEFAULT_ASSERTION_LEVEL=2
+CONFIG_HAL_DEFAULT_ASSERTION_LEVEL=0
 CONFIG_HAL_SYSTIMER_USE_ROM_IMPL=y
 CONFIG_HAL_WDT_USE_ROM_IMPL=y
 # end of Hardware Abstraction Layer (HAL) and Low Level (LL)
@@ -1802,15 +1799,16 @@ CONFIG_LOG_VERSION=1
 #
 # CONFIG_LOG_DEFAULT_LEVEL_NONE is not set
 # CONFIG_LOG_DEFAULT_LEVEL_ERROR is not set
-# CONFIG_LOG_DEFAULT_LEVEL_WARN is not set
-CONFIG_LOG_DEFAULT_LEVEL_INFO=y
+CONFIG_LOG_DEFAULT_LEVEL_WARN=y
+# CONFIG_LOG_DEFAULT_LEVEL_INFO is not set
 # CONFIG_LOG_DEFAULT_LEVEL_DEBUG is not set
 # CONFIG_LOG_DEFAULT_LEVEL_VERBOSE is not set
-CONFIG_LOG_DEFAULT_LEVEL=3
+CONFIG_LOG_DEFAULT_LEVEL=2
 CONFIG_LOG_MAXIMUM_EQUALS_DEFAULT=y
+# CONFIG_LOG_MAXIMUM_LEVEL_INFO is not set
 # CONFIG_LOG_MAXIMUM_LEVEL_DEBUG is not set
 # CONFIG_LOG_MAXIMUM_LEVEL_VERBOSE is not set
-CONFIG_LOG_MAXIMUM_LEVEL=3
+CONFIG_LOG_MAXIMUM_LEVEL=2
 
 #
 # Level Settings
@@ -1980,7 +1978,6 @@ CONFIG_LWIP_DNS_MAX_SERVERS=3
 # end of DNS
 
 CONFIG_LWIP_BRIDGEIF_MAX_PORTS=7
-CONFIG_LWIP_ESP_LWIP_ASSERT=y
 
 #
 # Hooks
@@ -3042,40 +3039,44 @@ CONFIG_UVC_CHECK_PAYLOAD_HEADER_EOH=y
 # end of Wi-Fi Remote over EPPP
 
 #
-# LVGL
+# LVGL configuration
 #
+CONFIG_LV_CONF_SKIP=y
+# CONFIG_LV_CONF_MINIMAL is not set
 
 #
-# Memory and Standard Library
+# Color Settings
+#
+# CONFIG_LV_COLOR_DEPTH_32 is not set
+# CONFIG_LV_COLOR_DEPTH_24 is not set
+CONFIG_LV_COLOR_DEPTH_16=y
+# CONFIG_LV_COLOR_DEPTH_8 is not set
+# CONFIG_LV_COLOR_DEPTH_1 is not set
+CONFIG_LV_COLOR_DEPTH=16
+# end of Color Settings
+
+#
+# Memory Settings
 #
-CONFIG_LV_STDLIB_BUILTIN=0
-CONFIG_LV_STDLIB_CLIB=1
-CONFIG_LV_STDLIB_MICROPYTHON=2
-CONFIG_LV_STDLIB_RTTHREAD=3
-CONFIG_LV_STDLIB_CUSTOM=255
 # CONFIG_LV_USE_BUILTIN_MALLOC is not set
 CONFIG_LV_USE_CLIB_MALLOC=y
 # CONFIG_LV_USE_MICROPYTHON_MALLOC is not set
 # CONFIG_LV_USE_RTTHREAD_MALLOC is not set
 # CONFIG_LV_USE_CUSTOM_MALLOC is not set
-CONFIG_LV_USE_STDLIB_MALLOC=1
 CONFIG_LV_USE_BUILTIN_STRING=y
 # CONFIG_LV_USE_CLIB_STRING is not set
-# CONFIG_LV_USE_RTTHREAD_STRING is not set
 # CONFIG_LV_USE_CUSTOM_STRING is not set
-CONFIG_LV_USE_STDLIB_STRING=0
 CONFIG_LV_USE_BUILTIN_SPRINTF=y
 # CONFIG_LV_USE_CLIB_SPRINTF is not set
-# CONFIG_LV_USE_RTTHREAD_SPRINTF is not set
 # CONFIG_LV_USE_CUSTOM_SPRINTF is not set
-CONFIG_LV_USE_STDLIB_SPRINTF=0
-CONFIG_LV_STDINT_INCLUDE="stdint.h"
-CONFIG_LV_STDDEF_INCLUDE="stddef.h"
-CONFIG_LV_STDBOOL_INCLUDE="stdbool.h"
-CONFIG_LV_INTTYPES_INCLUDE="inttypes.h"
-CONFIG_LV_LIMITS_INCLUDE="limits.h"
-CONFIG_LV_STDARG_INCLUDE="stdarg.h"
-# end of Memory and Standard Library
+# end of Memory Settings
+
+#
+# HAL Settings
+#
+CONFIG_LV_DEF_REFR_PERIOD=33
+CONFIG_LV_DPI_DEF=130
+# end of HAL Settings
 
 #
 # Operating System (OS)
@@ -3089,55 +3090,17 @@ CONFIG_LV_OS_NONE=y
 # CONFIG_LV_OS_MQX is not set
 # CONFIG_LV_OS_SDL2 is not set
 # CONFIG_LV_OS_CUSTOM is not set
-CONFIG_LV_USE_OS=0
 # end of Operating System (OS)
 
 #
 # Rendering Configuration
 #
-
-#
-# Color Settings
-#
-# CONFIG_LV_COLOR_FORMAT_I1 is not set
-# CONFIG_LV_COLOR_FORMAT_L8 is not set
-CONFIG_LV_COLOR_FORMAT_RGB565=y
-# CONFIG_LV_COLOR_FORMAT_RGB565_SWAPPED is not set
-# CONFIG_LV_COLOR_FORMAT_RGB888 is not set
-# CONFIG_LV_COLOR_FORMAT_XRGB8888 is not set
-# CONFIG_LV_COLOR_FORMAT_ARGB8888 is not set
-# CONFIG_LV_COLOR_FORMAT_ARGB8888_PREMULTIPLIED is not set
-# CONFIG_LV_COLOR_DEPTH_UNSET is not set
-# CONFIG_LV_COLOR_DEPTH_32 is not set
-# CONFIG_LV_COLOR_DEPTH_24 is not set
-CONFIG_LV_COLOR_DEPTH_16=y
-# CONFIG_LV_COLOR_DEPTH_8 is not set
-# CONFIG_LV_COLOR_DEPTH_1 is not set
-CONFIG_LV_COLOR_DEPTH=16
-CONFIG_LV_COLOR_MIX_ROUND_OFS=128
-# end of Color Settings
-
-CONFIG_LV_DEF_REFR_PERIOD=33
-CONFIG_LV_DPI_DEF=130
 CONFIG_LV_DRAW_BUF_STRIDE_ALIGN=1
 CONFIG_LV_DRAW_BUF_ALIGN=4
-# CONFIG_LV_USE_MATRIX is not set
 CONFIG_LV_DRAW_LAYER_SIMPLE_BUF_SIZE=24576
 CONFIG_LV_DRAW_LAYER_MAX_MEMORY=0
-# CONFIG_LV_USE_VECTOR_GRAPHIC is not set
-# CONFIG_LV_USE_SNAPSHOT is not set
-# CONFIG_LV_USE_THORVG is not set
-
-#
-# SW
-#
 CONFIG_LV_USE_DRAW_SW=y
-
-#
-# Supported color formats
-#
 CONFIG_LV_DRAW_SW_SUPPORT_RGB565=y
-CONFIG_LV_DRAW_SW_SUPPORT_RGB565_SWAPPED=y
 CONFIG_LV_DRAW_SW_SUPPORT_RGB565A8=y
 CONFIG_LV_DRAW_SW_SUPPORT_RGB888=y
 CONFIG_LV_DRAW_SW_SUPPORT_XRGB8888=y
@@ -3148,128 +3111,32 @@ CONFIG_LV_DRAW_SW_SUPPORT_AL88=y
 CONFIG_LV_DRAW_SW_SUPPORT_A8=y
 CONFIG_LV_DRAW_SW_SUPPORT_I1=y
 CONFIG_LV_DRAW_SW_I1_LUM_THRESHOLD=127
-# end of Supported color formats
-
+CONFIG_LV_DRAW_SW_DRAW_UNIT_CNT=1
 # CONFIG_LV_USE_DRAW_ARM2D_SYNC is not set
 # CONFIG_LV_USE_NATIVE_HELIUM_ASM is not set
 CONFIG_LV_DRAW_SW_COMPLEX=y
-CONFIG_LV_GRADIENT_MAX_STOPS=2
 # CONFIG_LV_USE_DRAW_SW_COMPLEX_GRADIENTS is not set
 CONFIG_LV_DRAW_SW_SHADOW_CACHE_SIZE=0
 CONFIG_LV_DRAW_SW_CIRCLE_CACHE_SIZE=4
 CONFIG_LV_DRAW_SW_ASM_NONE=y
 # CONFIG_LV_DRAW_SW_ASM_NEON is not set
 # CONFIG_LV_DRAW_SW_ASM_HELIUM is not set
-# CONFIG_LV_DRAW_SW_ASM_RISCV_V is not set
-# CONFIG_LV_DRAW_SW_ASM_SVE2 is not set
 # CONFIG_LV_DRAW_SW_ASM_CUSTOM is not set
 CONFIG_LV_USE_DRAW_SW_ASM=0
-# end of SW
-
-#
-# VG-Lite
-#
-# CONFIG_LV_USE_DRAW_VG_LITE is not set
-# end of VG-Lite
-
-#
-# Dave2D
-#
-# CONFIG_LV_USE_DRAW_DAVE2D is not set
-# end of Dave2D
-
-#
-# NemaGFX
-#
-# CONFIG_LV_USE_NEMA_GFX is not set
-# end of NemaGFX
-
-#
-# PXP
-#
 # CONFIG_LV_USE_PXP is not set
-# CONFIG_LV_USE_DRAW_PXP is not set
-# end of PXP
-
-#
-# PPA
-#
-# CONFIG_LV_USE_PPA is not set
-# end of PPA
-
-#
-# DMA2D
-#
-# CONFIG_LV_USE_DRAW_DMA2D is not set
-# end of DMA2D
-
-#
-# EPIC
-#
-# CONFIG_LV_USE_SIFLI_EPIC is not set
-# end of EPIC
-
-#
-# EVE
-#
-# CONFIG_LV_USE_DRAW_EVE is not set
-# end of EVE
-
-#
-# G2D
-#
 # CONFIG_LV_USE_G2D is not set
-# CONFIG_LV_USE_DRAW_G2D is not set
-# end of G2D
-
-#
-# NanoVG
-#
-# CONFIG_LV_USE_DRAW_NANOVG is not set
-# end of NanoVG
-
-#
-# OpenGL ES
-#
-# CONFIG_LV_USE_DRAW_OPENGLES is not set
-# end of OpenGL ES
-
-#
-# SDL
-#
+# CONFIG_LV_USE_DRAW_DAVE2D is not set
 # CONFIG_LV_USE_DRAW_SDL is not set
-# end of SDL
+# CONFIG_LV_USE_DRAW_VG_LITE is not set
+# CONFIG_LV_USE_VECTOR_GRAPHIC is not set
+# CONFIG_LV_USE_DRAW_DMA2D is not set
+# CONFIG_LV_USE_PPA is not set
+# CONFIG_LV_USE_DRAW_EVE is not set
 # end of Rendering Configuration
 
 #
-# Input Devices
+# Feature Configuration
 #
-CONFIG_LV_INDEV_DEF_SCROLL_LIMIT=10
-CONFIG_LV_INDEV_DEF_SCROLL_THROW=10
-CONFIG_LV_INDEV_DEF_SCROLL_ELASTIC_FACTOR=4
-CONFIG_LV_INDEV_DEF_LONG_PRESS_TIME=400
-CONFIG_LV_INDEV_DEF_LONG_PRESS_REP_TIME=100
-CONFIG_LV_INDEV_DEF_DOUBLE_CLICK_TIME=400
-CONFIG_LV_INDEV_DEF_GESTURE_LIMIT=50
-CONFIG_LV_INDEV_DEF_GESTURE_MIN_VELOCITY=3
-CONFIG_LV_INDEV_DEF_ROTARY_SENSITIVITY=256
-# CONFIG_LV_USE_GRIDNAV is not set
-# CONFIG_LV_USE_GESTURE_RECOGNITION is not set
-# end of Input Devices
-
-#
-# Core
-#
-# CONFIG_LV_OBJ_STYLE_CACHE is not set
-# CONFIG_LV_USE_OBJ_NAME is not set
-# CONFIG_LV_USE_OBJ_ID is not set
-# CONFIG_LV_USE_OBJ_PROPERTY is not set
-# CONFIG_LV_USE_EXT_DATA is not set
-# CONFIG_LV_USE_FLOAT is not set
-CONFIG_LV_USE_OBSERVER=y
-# CONFIG_LV_USE_TRANSLATION is not set
-# CONFIG_LV_USE_COLOR_FILTER is not set
-# end of Core
 
 #
 # Logging
@@ -3278,52 +3145,56 @@ CONFIG_LV_USE_OBSERVER=y
 # end of Logging
 
 #
-# Themes
+# Asserts
 #
-CONFIG_LV_USE_THEME_DEFAULT=y
-# CONFIG_LV_THEME_DEFAULT_DARK is not set
-CONFIG_LV_THEME_DEFAULT_GROW=y
-CONFIG_LV_THEME_DEFAULT_TRANSITION_TIME=80
-CONFIG_LV_USE_THEME_SIMPLE=y
-# CONFIG_LV_USE_THEME_MONO is not set
-# end of Themes
+CONFIG_LV_USE_ASSERT_NULL=y
+CONFIG_LV_USE_ASSERT_MALLOC=y
+# CONFIG_LV_USE_ASSERT_STYLE is not set
+# CONFIG_LV_USE_ASSERT_MEM_INTEGRITY is not set
+# CONFIG_LV_USE_ASSERT_OBJ is not set
+CONFIG_LV_ASSERT_HANDLER_INCLUDE="assert.h"
+# end of Asserts
 
 #
-# Layouts
+# Debug
 #
-CONFIG_LV_USE_FLEX=y
-CONFIG_LV_USE_GRID=y
-# end of Layouts
+# CONFIG_LV_USE_REFR_DEBUG is not set
+# CONFIG_LV_USE_LAYER_DEBUG is not set
+# CONFIG_LV_USE_PARALLEL_DRAW_DEBUG is not set
+# end of Debug
 
 #
-# Image Settings
+# Others
 #
+# CONFIG_LV_ENABLE_GLOBAL_CUSTOM is not set
 CONFIG_LV_CACHE_DEF_SIZE=0
 CONFIG_LV_IMAGE_HEADER_CACHE_DEF_CNT=0
-# CONFIG_LV_USE_RLE is not set
-# CONFIG_LV_USE_LZ4 is not set
-# CONFIG_LV_BIN_DECODER_RAM_LOAD is not set
-# CONFIG_LV_USE_LODEPNG is not set
-# CONFIG_LV_USE_LIBPNG is not set
-# CONFIG_LV_USE_BMP is not set
-# CONFIG_LV_USE_TJPGD is not set
-# CONFIG_LV_USE_LIBJPEG_TURBO is not set
-# CONFIG_LV_USE_LIBWEBP is not set
-# end of Image Settings
+CONFIG_LV_GRADIENT_MAX_STOPS=2
+CONFIG_LV_COLOR_MIX_ROUND_OFS=128
+# CONFIG_LV_OBJ_STYLE_CACHE is not set
+# CONFIG_LV_USE_OBJ_ID is not set
+# CONFIG_LV_USE_OBJ_NAME is not set
+# CONFIG_LV_USE_OBJ_PROPERTY is not set
+# end of Others
+# end of Feature Configuration
 
 #
-# Text & Font Settings
+# Compiler Settings
 #
-CONFIG_LV_TXT_ENC_UTF8=y
-# CONFIG_LV_TXT_ENC_ASCII is not set
-CONFIG_LV_TXT_BREAK_CHARS=" ,.;:-_)}"
-CONFIG_LV_TXT_LINE_BREAK_LONG_LEN=0
-CONFIG_LV_TXT_COLOR_CMD="#"
-# CONFIG_LV_USE_BIDI is not set
-# CONFIG_LV_USE_ARABIC_PERSIAN_CHARS is not set
+# CONFIG_LV_BIG_ENDIAN_SYSTEM is not set
+CONFIG_LV_ATTRIBUTE_MEM_ALIGN_SIZE=1
+# CONFIG_LV_ATTRIBUTE_FAST_MEM_USE_IRAM is not set
+# CONFIG_LV_USE_FLOAT is not set
+# CONFIG_LV_USE_MATRIX is not set
+# CONFIG_LV_USE_PRIVATE_API is not set
+# end of Compiler Settings
 
 #
-# Built-in Fonts
+# Font Usage
+#
+
+#
+# Enable built-in fonts
 #
 # CONFIG_LV_FONT_MONTSERRAT_8 is not set
 # CONFIG_LV_FONT_MONTSERRAT_10 is not set
@@ -3352,10 +3223,8 @@ CONFIG_LV_FONT_MONTSERRAT_20=y
 # CONFIG_LV_FONT_SOURCE_HAN_SANS_SC_16_CJK is not set
 # CONFIG_LV_FONT_UNSCII_8 is not set
 # CONFIG_LV_FONT_UNSCII_16 is not set
-# end of Built-in Fonts
+# end of Enable built-in fonts
 
-# CONFIG_LV_FONT_USE_CUSTOM_INCLUDE is not set
-# CONFIG_LV_USE_CUSTOM_FONT_DEFAULT is not set
 # CONFIG_LV_FONT_DEFAULT_MONTSERRAT_8 is not set
 # CONFIG_LV_FONT_DEFAULT_MONTSERRAT_10 is not set
 # CONFIG_LV_FONT_DEFAULT_MONTSERRAT_12 is not set
@@ -3386,21 +3255,33 @@ CONFIG_LV_FONT_DEFAULT_MONTSERRAT_14=y
 # CONFIG_LV_FONT_FMT_TXT_LARGE is not set
 # CONFIG_LV_USE_FONT_COMPRESSED is not set
 CONFIG_LV_USE_FONT_PLACEHOLDER=y
-# CONFIG_LV_USE_FONT_MANAGER is not set
-# CONFIG_LV_USE_IMGFONT is not set
-# CONFIG_LV_USE_FREETYPE is not set
-# CONFIG_LV_USE_TINY_TTF is not set
-# end of Text & Font Settings
 
 #
-# Widgets
+# Enable static fonts
+#
+# end of Enable static fonts
+# end of Font Usage
+
+#
+# Text Settings
+#
+CONFIG_LV_TXT_ENC_UTF8=y
+# CONFIG_LV_TXT_ENC_ASCII is not set
+CONFIG_LV_TXT_BREAK_CHARS=" ,.;:-_)}"
+CONFIG_LV_TXT_LINE_BREAK_LONG_LEN=0
+CONFIG_LV_TXT_COLOR_CMD="#"
+# CONFIG_LV_USE_BIDI is not set
+# CONFIG_LV_USE_ARABIC_PERSIAN_CHARS is not set
+# end of Text Settings
+
+#
+# Widget Usage
 #
 CONFIG_LV_WIDGETS_HAS_DEFAULT_VALUE=y
 CONFIG_LV_USE_ANIMIMG=y
 CONFIG_LV_USE_ARC=y
 CONFIG_LV_USE_ARCLABEL=y
 CONFIG_LV_USE_BAR=y
-# CONFIG_LV_USE_BARCODE is not set
 CONFIG_LV_USE_BUTTON=y
 CONFIG_LV_USE_BUTTONMATRIX=y
 CONFIG_LV_USE_CALENDAR=y
@@ -3418,23 +3299,6 @@ CONFIG_LV_SATURDAY_STR="Sa"
 CONFIG_LV_SUNDAY_STR="Su"
 # end of Days name configuration
 
-#
-# Month names configuration
-#
-CONFIG_LV_JANUARY_STR="January"
-CONFIG_LV_FEBRUARY_STR="February"
-CONFIG_LV_MARCH_STR="March"
-CONFIG_LV_APRIL_STR="April"
-CONFIG_LV_MAY_STR="May"
-CONFIG_LV_JUNE_STR="June"
-CONFIG_LV_JULY_STR="July"
-CONFIG_LV_AUGUST_STR="August"
-CONFIG_LV_SEPTEMBER_STR="September"
-CONFIG_LV_OCTOBER_STR="October"
-CONFIG_LV_NOVEMBER_STR="November"
-CONFIG_LV_DECEMBER_STR="December"
-# end of Month names configuration
-
 CONFIG_LV_USE_CALENDAR_HEADER_ARROW=y
 CONFIG_LV_USE_CALENDAR_HEADER_DROPDOWN=y
 # CONFIG_LV_USE_CALENDAR_CHINESE is not set
@@ -3442,12 +3306,8 @@ CONFIG_LV_USE_CANVAS=y
 CONFIG_LV_USE_CHART=y
 CONFIG_LV_USE_CHECKBOX=y
 CONFIG_LV_USE_DROPDOWN=y
-# CONFIG_LV_USE_FFMPEG is not set
-# CONFIG_LV_USE_GIF is not set
-# CONFIG_LV_USE_GSTREAMER is not set
 CONFIG_LV_USE_IMAGE=y
 CONFIG_LV_USE_IMAGEBUTTON=y
-# CONFIG_LV_USE_IME_PINYIN is not set
 CONFIG_LV_USE_KEYBOARD=y
 CONFIG_LV_USE_LABEL=y
 CONFIG_LV_LABEL_TEXT_SELECTION=y
@@ -3458,8 +3318,6 @@ CONFIG_LV_USE_LINE=y
 CONFIG_LV_USE_LIST=y
 CONFIG_LV_USE_MENU=y
 CONFIG_LV_USE_MSGBOX=y
-# CONFIG_LV_USE_QRCODE is not set
-# CONFIG_LV_USE_RLOTTIE is not set
 CONFIG_LV_USE_ROLLER=y
 CONFIG_LV_USE_SCALE=y
 CONFIG_LV_USE_SLIDER=y
@@ -3474,139 +3332,107 @@ CONFIG_LV_USE_TABLE=y
 CONFIG_LV_USE_TABVIEW=y
 CONFIG_LV_USE_TILEVIEW=y
 CONFIG_LV_USE_WIN=y
-# end of Widgets
+# end of Widget Usage
 
 #
-# Drivers
+# Themes
 #
-# CONFIG_LV_USE_LINUX_DRM is not set
-# CONFIG_LV_USE_LINUX_FBDEV is not set
-# CONFIG_LV_USE_FT81X is not set
-# CONFIG_LV_USE_LOVYAN_GFX is not set
-# CONFIG_LV_USE_GENERIC_MIPI is not set
-# CONFIG_LV_USE_ST7735 is not set
-# CONFIG_LV_USE_ST7789 is not set
-# CONFIG_LV_USE_ST7796 is not set
-# CONFIG_LV_USE_ILI9341 is not set
-# CONFIG_LV_USE_NV3007 is not set
-# CONFIG_LV_USE_NXP_ELCDIF is not set
-# CONFIG_LV_USE_RENESAS_GLCDC is not set
-# CONFIG_LV_USE_ST_LTDC is not set
-# CONFIG_LV_USE_TFT_ESPI is not set
-# CONFIG_LV_USE_EVDEV is not set
-# CONFIG_LV_USE_LIBINPUT is not set
-# CONFIG_LV_USE_NUTTX is not set
-# CONFIG_LV_USE_OPENGLES is not set
-# CONFIG_LV_USE_GLFW is not set
-# CONFIG_LV_USE_QNX is not set
-# CONFIG_LV_USE_SDL is not set
-# CONFIG_LV_USE_UEFI is not set
-# CONFIG_LV_USE_WAYLAND is not set
-# CONFIG_LV_USE_X11 is not set
-# CONFIG_LV_USE_NANOVG is not set
-# end of Drivers
+CONFIG_LV_USE_THEME_DEFAULT=y
+# CONFIG_LV_THEME_DEFAULT_DARK is not set
+CONFIG_LV_THEME_DEFAULT_GROW=y
+CONFIG_LV_THEME_DEFAULT_TRANSITION_TIME=80
+CONFIG_LV_USE_THEME_SIMPLE=y
+# CONFIG_LV_USE_THEME_MONO is not set
+# end of Themes
+
+#
+# Layouts
+#
+CONFIG_LV_USE_FLEX=y
+CONFIG_LV_USE_GRID=y
+# end of Layouts
 
 #
-# File System
+# 3rd Party Libraries
 #
 CONFIG_LV_FS_DEFAULT_DRIVER_LETTER=0
 # CONFIG_LV_USE_FS_STDIO is not set
 # CONFIG_LV_USE_FS_POSIX is not set
 # CONFIG_LV_USE_FS_WIN32 is not set
 # CONFIG_LV_USE_FS_FATFS is not set
+# CONFIG_LV_USE_FS_MEMFS is not set
 # CONFIG_LV_USE_FS_LITTLEFS is not set
 # CONFIG_LV_USE_FS_ARDUINO_ESP_LITTLEFS is not set
 # CONFIG_LV_USE_FS_ARDUINO_SD is not set
 # CONFIG_LV_USE_FS_UEFI is not set
 # CONFIG_LV_USE_FS_FROGFS is not set
-# CONFIG_LV_USE_FS_MEMFS is not set
-# end of File System
-
-#
-# Debugging
-#
+# CONFIG_LV_USE_LODEPNG is not set
+# CONFIG_LV_USE_LIBPNG is not set
+# CONFIG_LV_USE_BMP is not set
+# CONFIG_LV_USE_TJPGD is not set
+# CONFIG_LV_USE_LIBJPEG_TURBO is not set
+# CONFIG_LV_USE_GIF is not set
+# CONFIG_LV_BIN_DECODER_RAM_LOAD is not set
+# CONFIG_LV_USE_RLE is not set
+# CONFIG_LV_USE_QRCODE is not set
+# CONFIG_LV_USE_BARCODE is not set
+# CONFIG_LV_USE_FREETYPE is not set
+# CONFIG_LV_USE_TINY_TTF is not set
+# CONFIG_LV_USE_RLOTTIE is not set
+# CONFIG_LV_USE_THORVG is not set
+# CONFIG_LV_USE_LZ4 is not set
+# CONFIG_LV_USE_FFMPEG is not set
+# end of 3rd Party Libraries
 
 #
-# System Monitoring
+# Others
 #
+# CONFIG_LV_USE_SNAPSHOT is not set
 # CONFIG_LV_USE_SYSMON is not set
-# end of System Monitoring
-
-#
-# Profiler
-#
 # CONFIG_LV_USE_PROFILER is not set
-# CONFIG_LV_USE_PROFILER_BUILTIN is not set
-# end of Profiler
-
-#
-# Test Utilities
-#
-# CONFIG_LV_USE_TEST is not set
 # CONFIG_LV_USE_MONKEY is not set
-# end of Test Utilities
-
-#
-# Debug Rendering
-#
-# CONFIG_LV_USE_REFR_DEBUG is not set
-# CONFIG_LV_USE_LAYER_DEBUG is not set
-# CONFIG_LV_USE_PARALLEL_DRAW_DEBUG is not set
-# end of Debug Rendering
-# end of Debugging
-
-#
-# Others
-#
+# CONFIG_LV_USE_GRIDNAV is not set
 # CONFIG_LV_USE_FRAGMENT is not set
+# CONFIG_LV_USE_IMGFONT is not set
+CONFIG_LV_USE_OBSERVER=y
+# CONFIG_LV_USE_IME_PINYIN is not set
 # CONFIG_LV_USE_FILE_EXPLORER is not set
-# end of Others
-
-#
-# Build
-#
+# CONFIG_LV_USE_FONT_MANAGER is not set
+# CONFIG_LV_USE_TEST is not set
+# CONFIG_LV_USE_TRANSLATION is not set
+# CONFIG_LV_USE_XML is not set
+# CONFIG_LV_USE_COLOR_FILTER is not set
 CONFIG_LVGL_VERSION_MAJOR=9
-CONFIG_LVGL_VERSION_MINOR=6
+CONFIG_LVGL_VERSION_MINOR=4
 CONFIG_LVGL_VERSION_PATCH=0
-CONFIG_LV_CONF_SKIP=y
-# CONFIG_LV_CONF_MINIMAL is not set
-# CONFIG_LV_USE_PRIVATE_API is not set
-# CONFIG_LV_ENABLE_GLOBAL_CUSTOM is not set
-
-#
-# Asserts
-#
-# CONFIG_LV_USE_ASSERT is not set
-CONFIG_LV_USE_ASSERT_MALLOC=y
-CONFIG_LV_USE_ASSERT_NULL=y
-# CONFIG_LV_USE_ASSERT_STYLE is not set
-# CONFIG_LV_USE_ASSERT_MEM_INTEGRITY is not set
-# CONFIG_LV_USE_ASSERT_OBJ is not set
-CONFIG_LV_ASSERT_HANDLER_INCLUDE="assert.h"
-CONFIG_LV_ASSERT_HANDLER_INCLUDE_IS_NON_EMPTY=y
-# CONFIG_LV_DISABLE_ASSERT_HANDLER_INCLUDE_WARNING is not set
-# CONFIG_LV_ASSERT_USE_CUSTOM_INCLUDE is not set
-# end of Asserts
-
-#
-# Argument Checks
-#
-CONFIG_LV_USE_CHECK_ARG=y
-# CONFIG_LV_CHECK_ARG_ASSERT_ON_FAIL is not set
-CONFIG_LV_CHECK_ARG_LOG_MODE_NONE=y
-CONFIG_LV_CHECK_ARG_LOG_MODE=0
-# CONFIG_LV_USE_CHECK_OBJ_CLASSTYPE is not set
-# CONFIG_LV_USE_CHECK_OBJ_VALIDITY is not set
-# end of Argument Checks
-# end of Build
+# end of Others
 
 #
-# Compiler Settings
+# Devices
 #
-# CONFIG_LV_BIG_ENDIAN_SYSTEM is not set
-# CONFIG_LV_ATTRIBUTE_USE_CUSTOM_INCLUDE is not set
-# CONFIG_LV_ATTRIBUTE_FAST_MEM_USE_IRAM is not set
-# end of Compiler Settings
+# CONFIG_LV_USE_SDL is not set
+# CONFIG_LV_USE_X11 is not set
+# CONFIG_LV_USE_WAYLAND is not set
+# CONFIG_LV_USE_LINUX_FBDEV is not set
+# CONFIG_LV_USE_NUTTX is not set
+# CONFIG_LV_USE_LINUX_DRM is not set
+# CONFIG_LV_USE_TFT_ESPI is not set
+# CONFIG_LV_USE_LOVYAN_GFX is not set
+# CONFIG_LV_USE_EVDEV is not set
+# CONFIG_LV_USE_LIBINPUT is not set
+# CONFIG_LV_USE_ST7735 is not set
+# CONFIG_LV_USE_ST7789 is not set
+# CONFIG_LV_USE_ST7796 is not set
+# CONFIG_LV_USE_ILI9341 is not set
+# CONFIG_LV_USE_GENERIC_MIPI is not set
+# CONFIG_LV_USE_NXP_ELCDIF is not set
+# CONFIG_LV_USE_RENESAS_GLCDC is not set
+# CONFIG_LV_USE_ST_LTDC is not set
+# CONFIG_LV_USE_FT81X is not set
+# CONFIG_LV_USE_UEFI is not set
+# CONFIG_LV_USE_OPENGLES is not set
+# CONFIG_LV_USE_QNX is not set
+# end of Devices
 
 #
 # Examples
@@ -3618,19 +3444,21 @@ CONFIG_LV_BUILD_EXAMPLES=y
 # Demos
 #
 CONFIG_LV_BUILD_DEMOS=y
-# CONFIG_LV_USE_DEMO_BENCHMARK is not set
+# CONFIG_LV_USE_DEMO_WIDGETS is not set
 # CONFIG_LV_USE_DEMO_KEYPAD_AND_ENCODER is not set
-# CONFIG_LV_USE_DEMO_MUSIC is not set
+# CONFIG_LV_USE_DEMO_BENCHMARK is not set
 # CONFIG_LV_USE_DEMO_RENDER is not set
+# CONFIG_LV_USE_DEMO_SCROLL is not set
 # CONFIG_LV_USE_DEMO_STRESS is not set
-# CONFIG_LV_USE_DEMO_WIDGETS is not set
+# CONFIG_LV_USE_DEMO_TRANSFORM is not set
+# CONFIG_LV_USE_DEMO_MUSIC is not set
 # CONFIG_LV_USE_DEMO_FLEX_LAYOUT is not set
 # CONFIG_LV_USE_DEMO_MULTILANG is not set
 # CONFIG_LV_USE_DEMO_SMARTWATCH is not set
 # CONFIG_LV_USE_DEMO_EBIKE is not set
 # CONFIG_LV_USE_DEMO_HIGH_RES is not set
 # end of Demos
-# end of LVGL
+# end of LVGL configuration
 
 #
 # libssh2
@@ -3659,15 +3487,15 @@ CONFIG_FLASHMODE_QIO=y
 # CONFIG_FLASHMODE_DIO is not set
 # CONFIG_FLASHMODE_DOUT is not set
 CONFIG_MONITOR_BAUD=115200
-CONFIG_OPTIMIZATION_LEVEL_DEBUG=y
-CONFIG_COMPILER_OPTIMIZATION_LEVEL_DEBUG=y
-CONFIG_COMPILER_OPTIMIZATION_DEFAULT=y
+# CONFIG_OPTIMIZATION_LEVEL_DEBUG is not set
+# CONFIG_COMPILER_OPTIMIZATION_LEVEL_DEBUG is not set
+# CONFIG_COMPILER_OPTIMIZATION_DEFAULT is not set
 # CONFIG_OPTIMIZATION_LEVEL_RELEASE is not set
 # CONFIG_COMPILER_OPTIMIZATION_LEVEL_RELEASE is not set
-CONFIG_OPTIMIZATION_ASSERTIONS_ENABLED=y
+# CONFIG_OPTIMIZATION_ASSERTIONS_ENABLED is not set
 # CONFIG_OPTIMIZATION_ASSERTIONS_SILENT is not set
-# CONFIG_OPTIMIZATION_ASSERTIONS_DISABLED is not set
-CONFIG_OPTIMIZATION_ASSERTION_LEVEL=2
+CONFIG_OPTIMIZATION_ASSERTIONS_DISABLED=y
+CONFIG_OPTIMIZATION_ASSERTION_LEVEL=0
 # CONFIG_CXX_EXCEPTIONS is not set
 CONFIG_STACK_CHECK_NONE=y
 # CONFIG_STACK_CHECK_NORM is not set
@@ -3698,7 +3526,7 @@ CONFIG_BROWNOUT_DET_LVL=7
 CONFIG_ESP_SYSTEM_BROWNOUT_INTR=y
 CONFIG_SYSTEM_EVENT_QUEUE_SIZE=32
 CONFIG_SYSTEM_EVENT_TASK_STACK_SIZE=2304
-CONFIG_MAIN_TASK_STACK_SIZE=3584
+CONFIG_MAIN_TASK_STACK_SIZE=12288
 CONFIG_CONSOLE_UART_DEFAULT=y
 # CONFIG_CONSOLE_UART_CUSTOM is not set
 # CONFIG_CONSOLE_UART_NONE is not set
@@ -3743,7 +3571,6 @@ CONFIG_TIMER_TASK_STACK_DEPTH=2048
 CONFIG_TIMER_QUEUE_LENGTH=10
 # CONFIG_ENABLE_STATIC_TASK_CLEAN_UP_HOOK is not set
 CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY=y
-# CONFIG_HAL_ASSERTION_SILIENT is not set
 # CONFIG_L2_TO_L3_COPY is not set
 CONFIG_ESP_GRATUITOUS_ARP=y
 CONFIG_GARP_TMR_INTERVAL=60
diff --git a/test/guards/test_firmware_rules.py b/test/guards/test_firmware_rules.py
index 1539f3f..b06095c 100644
--- a/test/guards/test_firmware_rules.py
+++ b/test/guards/test_firmware_rules.py
@@ -183,6 +183,13 @@ def test_defaults_applied_to_committed_sdkconfig(self):
                 with self.subTest(sdkconfig=config, option=option):
                     self.assertEqual(committed[option], value, f"{config} overrides its defaults: update both")
 
+    def test_main_task_stack_fits_boot(self):
+        # app_main brings up SD, display, touch and the terminal screen: the 3.5 KB default
+        # overflowed on the Tab5 (black screen, reboot loop)
+        for config in BOARD_CONFIGS:
+            with self.subTest(sdkconfig=config):
+                self.assertGreaterEqual(int(repo.sdkconfig(config)["CONFIG_ESP_MAIN_TASK_STACK_SIZE"]), 12288)
+
     def test_tab5_sdkconfig_is_for_the_tab5(self):
         cfg = repo.sdkconfig("sdkconfig.tab5")
         self.assertEqual(cfg.get("CONFIG_IDF_TARGET"), '"esp32p4"')
diff --git a/test/host/tests/test_tab5_keymap.cpp b/test/host/tests/test_tab5_keymap.cpp
index 534ae8a..6a76b2e 100644
--- a/test/host/tests/test_tab5_keymap.cpp
+++ b/test/host/tests/test_tab5_keymap.cpp
@@ -141,36 +141,50 @@ TEST(keymap_enter_and_esc_do_not_repeat)
     CHECK_EQ(k.pop(), 0u);
 }
 
-TEST(keymap_ctrl_space_is_push_to_talk)
+TEST(keymap_ctrl_hold_is_push_to_talk)
 {
     Tab5Keymap k;
     press(k, CTRL, 0);
-    press(k, SPACE, 0);
     CHECK_EQ(k.pop(), 0u);                                  // Nothing typed
     k.tick(Tab5Keymap::HOLD_MS);
     CHECK_EQ(k.pop(), KEY_EVENT | INPUT_HOLD_START);
-    release(k, CTRL, 500);                                  // Ctrl may go first
-    release(k, SPACE, 800);
+    release(k, CTRL, 800);
     CHECK_EQ(k.pop(), KEY_EVENT | INPUT_HOLD_END);
 
-    press(k, CTRL, 2000);
-    press(k, SPACE, 2000);
+    press(k, CTRL, 2000);                                   // Held a second: long hold
     k.tick(2000 + Tab5Keymap::HOLD_MS);
     CHECK_EQ(k.pop(), KEY_EVENT | INPUT_HOLD_START);
-    release(k, SPACE, 2000 + Tab5Keymap::LONG_HOLD_MS);
+    release(k, CTRL, 2000 + Tab5Keymap::LONG_HOLD_MS);
     CHECK_EQ(k.pop(), KEY_EVENT | INPUT_HOLD_END_LONG);
 
-    press(k, SPACE, 4000);                                  // Short Ctrl+Space: nothing
-    release(k, SPACE, 4100);
+    press(k, CTRL, 4000);                                   // Short tap of Ctrl: nothing
+    release(k, CTRL, 4100);
     k.tick(5000);
     CHECK_EQ(k.pop(), 0u);
 }
 
+TEST(keymap_ctrl_with_a_key_is_not_talking)
+{
+    Tab5Keymap k;
+    press(k, CTRL, 0);
+    CHECK_EQ(tap(k, C, 100), 3u);                           // Ctrl+C before the hold time
+    k.tick(5000);                                           // Ctrl still held, slowly let go
+    CHECK_EQ(k.pop(), 0u);
+    release(k, CTRL, 6000);
+    CHECK_EQ(k.pop(), 0u);
+
+    press(k, CTRL, 10000);                                  // Talking, then a key: no long hold
+    k.tick(10000 + Tab5Keymap::HOLD_MS);
+    CHECK_EQ(k.pop(), KEY_EVENT | INPUT_HOLD_START);
+    CHECK_EQ(tap(k, C, 10500), 3u);
+    release(k, CTRL, 10000 + 2 * Tab5Keymap::LONG_HOLD_MS);
+    CHECK_EQ(k.pop(), KEY_EVENT | INPUT_HOLD_END);
+}
+
 TEST(keymap_reset_stops_talking_and_modifiers)
 {
     Tab5Keymap k;
     press(k, CTRL, 0);
-    press(k, SPACE, 0);
     k.tick(Tab5Keymap::HOLD_MS);
     CHECK_EQ(k.pop(), KEY_EVENT | INPUT_HOLD_START);
     k.reset();                                              // Keyboard pulled off while talking