mirror of
https://github.com/torlando-tech/pyxis.git
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Initial commit: standalone Pyxis T-Deck firmware
Split T-Deck firmware from microReticulum examples/lxmf_tdeck/ into its own repo. microReticulum is consumed as a git submodule dependency pinned to feat/t-deck. All include paths updated from relative symlinks to bare includes resolved via library build flags. Both tdeck (NimBLE) and tdeck-bluedroid environments compile successfully. Licensed under AGPLv3. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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torlando-tech
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// Copyright (c) 2024 microReticulum contributors
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// SPDX-License-Identifier: MIT
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#include "LVGLInit.h"
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#ifdef ARDUINO
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#include "esp_task_wdt.h"
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#include "Log.h"
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#include "../../Hardware/TDeck/Display.h"
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#include "../../Hardware/TDeck/Keyboard.h"
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#include "../../Hardware/TDeck/Touch.h"
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#include "../../Hardware/TDeck/Trackball.h"
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using namespace RNS;
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using namespace Hardware::TDeck;
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namespace UI {
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namespace LVGL {
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bool LVGLInit::_initialized = false;
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lv_disp_t* LVGLInit::_display = nullptr;
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lv_indev_t* LVGLInit::_keyboard = nullptr;
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lv_indev_t* LVGLInit::_touch = nullptr;
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lv_indev_t* LVGLInit::_trackball = nullptr;
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lv_group_t* LVGLInit::_default_group = nullptr;
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TaskHandle_t LVGLInit::_task_handle = nullptr;
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SemaphoreHandle_t LVGLInit::_mutex = nullptr;
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bool LVGLInit::init() {
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if (_initialized) {
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return true;
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}
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INFO("Initializing LVGL");
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// Create recursive mutex for thread-safe LVGL access
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// Recursive because LVGL callbacks may call other LVGL functions
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_mutex = xSemaphoreCreateRecursiveMutex();
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if (!_mutex) {
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ERROR("Failed to create LVGL mutex");
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return false;
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}
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// Initialize LVGL library
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lv_init();
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// LVGL 8.x logging is configured via lv_conf.h LV_USE_LOG
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// No runtime callback registration needed
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// Initialize display (this also sets up LVGL display driver)
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if (!Display::init()) {
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ERROR("Failed to initialize display for LVGL");
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return false;
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}
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_display = lv_disp_get_default();
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INFO(" Display initialized");
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// Create default input group for keyboard navigation
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_default_group = lv_group_create();
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if (!_default_group) {
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ERROR("Failed to create input group");
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return false;
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}
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lv_group_set_default(_default_group);
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// Initialize keyboard input
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if (Keyboard::init()) {
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_keyboard = Keyboard::get_indev();
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// Associate keyboard with input group
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if (_keyboard) {
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lv_indev_set_group(_keyboard, _default_group);
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INFO(" Keyboard registered with input group");
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}
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} else {
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WARNING(" Keyboard initialization failed");
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}
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// Initialize touch input
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if (Touch::init()) {
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_touch = lv_indev_get_next(_keyboard);
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INFO(" Touch registered");
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} else {
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WARNING(" Touch initialization failed");
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}
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// Initialize trackball input
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if (Trackball::init()) {
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_trackball = Trackball::get_indev();
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// Associate trackball with input group for focus navigation
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if (_trackball) {
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lv_indev_set_group(_trackball, _default_group);
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INFO(" Trackball registered with input group");
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}
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} else {
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WARNING(" Trackball initialization failed");
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}
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// Set default dark theme
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set_theme(true);
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_initialized = true;
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INFO("LVGL initialized successfully");
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return true;
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}
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bool LVGLInit::init_display_only() {
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if (_initialized) {
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return true;
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}
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INFO("Initializing LVGL (display only)");
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// Initialize LVGL library
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lv_init();
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// LVGL 8.x logging is configured via lv_conf.h LV_USE_LOG
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// No runtime callback registration needed
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// Initialize display
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if (!Display::init()) {
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ERROR("Failed to initialize display for LVGL");
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return false;
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}
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_display = lv_disp_get_default();
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INFO(" Display initialized");
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// Set default dark theme
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set_theme(true);
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_initialized = true;
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INFO("LVGL initialized (display only)");
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return true;
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}
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void LVGLInit::task_handler() {
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if (!_initialized) {
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return;
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}
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// If running as a task, this is a no-op
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if (_task_handle != nullptr) {
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return;
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}
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lv_task_handler();
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}
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void LVGLInit::lvgl_task(void* param) {
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Serial.printf("LVGL task started on core %d\n", xPortGetCoreID());
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// Subscribe this task to Task Watchdog Timer
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esp_task_wdt_add(nullptr); // nullptr = current task
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while (true) {
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// Acquire mutex before calling LVGL
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#ifndef NDEBUG
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// Debug builds: 5-second timeout for stuck task detection
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BaseType_t result = xSemaphoreTakeRecursive(_mutex, pdMS_TO_TICKS(5000));
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if (result != pdTRUE) {
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WARNING("LVGL task mutex timeout (5s) - possible deadlock or stuck task");
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// Per Phase 8 context: log warning and continue waiting (don't break functionality)
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xSemaphoreTakeRecursive(_mutex, portMAX_DELAY);
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}
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#else
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xSemaphoreTakeRecursive(_mutex, portMAX_DELAY);
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#endif
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lv_task_handler();
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xSemaphoreGiveRecursive(_mutex);
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// Feed watchdog and yield to other tasks
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esp_task_wdt_reset();
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vTaskDelay(pdMS_TO_TICKS(5));
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}
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}
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bool LVGLInit::start_task(int priority, int core) {
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if (!_initialized) {
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ERROR("Cannot start LVGL task - not initialized");
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return false;
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}
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if (_task_handle != nullptr) {
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WARNING("LVGL task already running");
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return true;
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}
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// Create the task
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BaseType_t result;
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if (core >= 0) {
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result = xTaskCreatePinnedToCore(
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lvgl_task,
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"lvgl",
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8192, // Stack size (8KB should be enough for LVGL)
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nullptr,
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priority,
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&_task_handle,
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core
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);
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} else {
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result = xTaskCreate(
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lvgl_task,
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"lvgl",
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8192,
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nullptr,
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priority,
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&_task_handle
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);
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}
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if (result != pdPASS) {
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ERROR("Failed to create LVGL task");
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return false;
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}
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Serial.printf("LVGL task created with priority %d%s%d\n",
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priority,
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core >= 0 ? " on core " : "",
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core >= 0 ? core : 0);
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return true;
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}
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bool LVGLInit::is_task_running() {
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return _task_handle != nullptr;
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}
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SemaphoreHandle_t LVGLInit::get_mutex() {
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return _mutex;
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}
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uint32_t LVGLInit::get_tick() {
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return millis();
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}
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bool LVGLInit::is_initialized() {
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return _initialized;
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}
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void LVGLInit::set_theme(bool dark) {
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if (!_initialized) {
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return;
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}
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lv_theme_t* theme;
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if (dark) {
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// Dark theme with blue accents
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theme = lv_theme_default_init(
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_display,
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lv_palette_main(LV_PALETTE_BLUE), // Primary color
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lv_palette_main(LV_PALETTE_RED), // Secondary color
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true, // Dark mode
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&lv_font_montserrat_14 // Default font
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);
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} else {
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// Light theme
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theme = lv_theme_default_init(
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_display,
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lv_palette_main(LV_PALETTE_BLUE),
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lv_palette_main(LV_PALETTE_RED),
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false, // Light mode
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&lv_font_montserrat_14
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);
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}
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lv_disp_set_theme(_display, theme);
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}
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lv_disp_t* LVGLInit::get_display() {
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return _display;
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}
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lv_indev_t* LVGLInit::get_keyboard() {
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return _keyboard;
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}
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lv_indev_t* LVGLInit::get_touch() {
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return _touch;
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}
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lv_indev_t* LVGLInit::get_trackball() {
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return _trackball;
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}
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lv_group_t* LVGLInit::get_default_group() {
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return _default_group;
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}
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void LVGLInit::focus_widget(lv_obj_t* obj) {
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if (!_default_group || !obj) {
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return;
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}
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// Remove from group first if already there (to avoid duplicates)
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lv_group_remove_obj(obj);
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// Add to group and focus
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lv_group_add_obj(_default_group, obj);
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lv_group_focus_obj(obj);
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}
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void LVGLInit::log_print(const char* buf) {
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// Forward LVGL logs to our logging system
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// LVGL logs include newlines, so strip them
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String msg(buf);
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msg.trim();
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if (msg.length() > 0) {
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// LVGL log levels: Trace, Info, Warn, Error
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if (msg.indexOf("[Error]") >= 0) {
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ERROR(msg.c_str());
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} else if (msg.indexOf("[Warn]") >= 0) {
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WARNING(msg.c_str());
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} else if (msg.indexOf("[Info]") >= 0) {
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INFO(msg.c_str());
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} else {
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TRACE(msg.c_str());
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}
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}
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}
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} // namespace LVGL
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} // namespace UI
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#endif // ARDUINO
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