wip

examples/simple_secure_chat_ui/main.cpp

@@ -149,12 +149,14 @@ void my_touchpad_read(lv_indev_drv_t * indev_driver, lv_indev_data_t * data)
 {
   // Serialize Wire access with SenseCapHAL (TCA9535 radio expander).
   // g_i2c_mutex is nullptr until radio_init() creates it — safe to skip then.
-  if (g_i2c_mutex) xSemaphoreTake(g_i2c_mutex, pdMS_TO_TICKS(20));
+  // Must check the return value: if we don't hold the mutex, skip getTouch()
+  // entirely to avoid racing with TCA9535 I2C transactions and corrupting the bus.
+  bool have_mutex = !g_i2c_mutex || (xSemaphoreTake(g_i2c_mutex, portMAX_DELAY) == pdTRUE);
 
   uint16_t x, y;
-  bool touched = lcd.getTouch(&x, &y);
+  bool touched = have_mutex && lcd.getTouch(&x, &y);
 
-  if (g_i2c_mutex) xSemaphoreGive(g_i2c_mutex);
+  if (have_mutex && g_i2c_mutex) xSemaphoreGive(g_i2c_mutex);
 
   if (touched)
   {
@@ -907,9 +909,6 @@ void initializeDisplay() {
   pinMode(45, OUTPUT);
   digitalWrite(45, HIGH);
   Serial.printf("[display] BL GPIO45 after force HIGH: %d\n", digitalRead(45));
-  lcd.fillScreen(TFT_RED);  // DEBUG: should show solid RED for 3s before LVGL
-  Serial.println("[display] RED fill done — waiting 3s for visual check");
-  delay(3000);
   lcd.setTextSize(2);
   lcd.setRotation(1);
 }

examples/simple_secure_chat_ui/uiManager.cpp

@@ -1008,7 +1008,7 @@ void UIManager::ui_Screen1_screen_init(void)
 
     lv_obj_t* ui_AdvertiseLabel = LvLabel(ui_AdvertiseBtn)
         #if defined(LANG_GR)
-        .text(LV_SYMBOL_WIFI "  Διαφήμιση")
+        .text(LV_SYMBOL_WIFI "  Advertise")
         #else
         .text(LV_SYMBOL_WIFI "  Advertise")
         #endif

variants/sensecap_indicator-espnow/platformio.ini

@@ -58,7 +58,7 @@ build_flags =
   -D MAX_GROUP_CHANNELS=8
   -D MESH_DEBUG=1
   -D RADIOLIB_SPI_PARANOID=0
-  -D DISABLE_LORA_FOR_DISPLAY_TEST
+
 ; NOTE: DO NOT ENABLE -->  -D MESH_PACKET_LOGGING=1
 ; NOTE: DO NOT ENABLE -->  -D MESH_DEBUG=1
 ; NOTE: DO NOT ENABLE -->  -D ESPNOW_DEBUG_LOGGING=1