Tutorial, Icons, better rendering & more

.github/workflows/test-EMULATOR.yml

@@ -31,10 +31,13 @@ jobs:
       uses: nschloe/action-cached-lfs-checkout@v1.2.1
       with:
         submodules: recursive
+        lfs: 'true'
     - name: Update packages
-      run: sudo apt-get update && sudo apt-get upgrade -y
+      run: sudo apt-get update
     - name: Install packages
-      run: sudo apt-get -y install gcc g++ cmake libsdl2-dev libsdl2-image-dev
+      run: sudo apt-get -y install gcc g++ cmake libsdl2-dev libsdl2-image-dev python3 python3-pip
+    - name: Install python packages
+      run: pip3 install --user -r scripts/requirements.txt
     - name: Create build directory
       run: mkdir build
     - name: CMake ${{ matrix.build-configuration }}

.github/workflows/test-FEATURE.yml

@@ -28,6 +28,7 @@ jobs:
         uses: nschloe/action-cached-lfs-checkout@v1.2.1
         with:
           submodules: recursive
+          lfs: 'true'
       - id: get-flag
         run: |
           echo "feature=$(python3 .github/getWorkflowMatrix.py all_flags)" >> $GITHUB_OUTPUT
@@ -56,6 +57,7 @@ jobs:
       uses: nschloe/action-cached-lfs-checkout@v1.2.1
       with:
         submodules: recursive
+        lfs: 'true'
     - name: Cache pip
       uses: actions/cache@v3
       with:

.github/workflows/test-OS.yml

@@ -15,6 +15,7 @@ jobs:
         uses: nschloe/action-cached-lfs-checkout@v1.2.1
         with:
           submodules: recursive
+          lfs: 'true'
       - uses: dorny/paths-filter@v2.11.1
         id: filter
         with:
@@ -49,6 +50,7 @@ jobs:
       uses: nschloe/action-cached-lfs-checkout@v1.2.1
       with:
         submodules: recursive
+        lfs: 'true'
     - name: Cache pip
       uses: actions/cache@v3
       with:

.github/workflows/test-OSW.yml

@@ -29,6 +29,7 @@ jobs:
         uses: nschloe/action-cached-lfs-checkout@v1.2.1
         with:
           submodules: recursive
+          lfs: 'true'
       - uses: dorny/paths-filter@v2.11.1
         id: filter
         with:
@@ -62,6 +63,7 @@ jobs:
       uses: nschloe/action-cached-lfs-checkout@v1.2.1
       with:
         submodules: recursive
+        lfs: 'true'
     - name: Cache pip
       uses: actions/cache@v3
       with:

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.10)
+cmake_minimum_required (VERSION 3.12)
 project (OSW-OS-Emulator)
 
 set(CMAKE_CXX_STANDARD 20)
@@ -60,13 +60,27 @@ target_link_libraries(ImGUI LINK_PUBLIC
     ${SDL2IMAGE_LIBRARIES}
 )
 
+# OSW custom prebuild-scripts
+find_package(Python3 REQUIRED COMPONENTS Interpreter)
+file(GLOB_RECURSE INCLUDE_OSW_ASSETS ./include/assets/img/** ./include/assets/www/**)
+add_custom_target(
+    osw_script_prebuild_assets ALL
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/build/prebuild_assets.py --output-asset-path ${CMAKE_CURRENT_SOURCE_DIR}/include/assets
+    BYPRODUCTS ${INCLUDE_OSW_ASSETS}
+    COMMENT "Generating OSW assets..."
+)
+
 # Emulator
 file(GLOB_RECURSE SOURCES_OSW ./src/*.cpp)
 file(GLOB_RECURSE SOURCES_OSW_EMULATOR ./emulator/src/*.cpp)
 add_executable(emulator.run
     ${SOURCES_OSW}
     ${SOURCES_OSW_EMULATOR}
 )
+add_dependencies(emulator.run
+    osw_script_prebuild_assets
+)
 target_include_directories(emulator.run PUBLIC
     ./emulator/include
     ./include
@@ -99,8 +113,11 @@ target_compile_definitions(emulator.run PUBLIC
     $<$<CONFIG:Release>:
       NDEBUG=1
     >
+    # Uncomment the following line to use a different locale (only for the emulator, for the whole OS use the config variable!)
+    # LOCALE="locales/en-US.h"
     # Comment these as you wish...
     OSW_FEATURE_STATS_STEPS
+    OSW_APPS_EXAMPLES=1
     GAME_SNAKE=1
     GAME_BRICK_BREAKER=1
     TOOL_FLASHLIGHT=1

CONTRIBUTING.md

@@ -1,26 +1,26 @@
 # How to contribute to Open-smartwatch
 
-In case the `develop` branch is ahead of the `master` branch and the `develop` branch is stabile enough, we periodically merge it into the `master`.
+In case the `develop` branch is ahead of the `master` branch and the `develop` branch is stable enough, we periodically merge it into the `master`.
 
 In order to contribute new or updated documentation, you must first create a GitHub account and fork the original repository to your own account. You can make changes, save them in your repository and then create a pull request against this repository.
 
 Unless you are opening a pull request which only makes small corrections (for instance correcting a typo), you are more likely to get traction for your changes if you open an issue first to discuss the proposed changes. 
 
-**IMPORTANT** If you want to create a pull request, please work based on the `develop` branch - so we don't have to rebase it...
+**IMPORTANT** If you want to create a pull request, please work based on the most recent `develop` branch - so we don't have to rebase it...
 
 If you are reading this page, you are possibly interested in contributing to our project 😄 . We have an active (and friendly) developer group and would love to get your help! Some common ways you can support us are:
 
 * Testing the code
-* Filing issues on GitHub, if you see a problem (or adding detail to existing issues that effect you)
+* Reporting issues on GitHub, if you see a problem (or adding detail to existing issues that also affect you)
 * Fixing issues 😁
 * Adding new features
-* Reviewing existing pull requests and possibly also contributing to them.
-* Translation. Always a good idea...
+* Reviewing existing pull requests and possibly also contributing to them
+* Translations are always a good idea...
 
 ## How to make a good bug report
 
 Submit according to the bug report form. Attach the debug log if necessary. [Read more here!](https://open-smartwatch.github.io/howto/contribute/#how-to-open-an-issue)
 
 ## Submitting patches
 
-Please also see our [wiki](https://open-smartwatch.github.io/howto/contribute/) article for that.
+Please also see our [wiki](https://open-smartwatch.github.io/howto/contribute/) article for that.

docs/firmware/getting_started.md

@@ -39,7 +39,10 @@ If you have cloned the repo without the recurse option, run `git submodule updat
 
 !!! note "Tip"
     After changing or updating/pulling a branch, run the command again to also update dependencies:
-    `git submodule update`
+    ```bash
+    git pull
+    git submodule update --init --recursive
+    ```
 
 Then, open the directory with Visual Studio Code.
 

docs/firmware/troubleshooting.md

@@ -13,8 +13,11 @@ Check the driver insertion.
 You did not clone the repository with the `--recursive-submodules` flag.
 
 !!! note "Tip"
-    After changing the branch, follow the command :
-    `git submodule update`
+    After changing or updating/pulling a branch, run the command again to also update dependencies:
+    ```bash
+    git pull
+    git submodule update --init --recursive
+    ```
 
 ## Failed to connect to ESP32: Timed out waiting for packet header
 

emulator/include/Emulator.hpp

@@ -8,6 +8,8 @@
 #include <variant>
 #include <list>
 #include <map>
+#include <hal/buttons.h>
+#include <osw_pins.h> // for button definitions
 
 #include "Jzon.h"
 
@@ -46,8 +48,8 @@ class OswEmulator {
     void run();
     void exit();
 
-    void setButton(unsigned id, bool state);
-    bool getButton(unsigned id);
+    void setButton(Button id, bool state);
+    bool getButton(Button id);
     uint8_t getBatteryRaw();
     bool isCharging();
 
@@ -67,8 +69,8 @@ class OswEmulator {
     SDL_Surface* mainSurface = nullptr; // Only used in headless mode
     SDL_Renderer* mainRenderer = nullptr;
     std::atomic_bool running = true;
-    std::array<std::atomic_bool, 3> buttons; // TODO This length should come from the platform itself!
-    std::array<bool, 3> buttonCheckboxes = { false, false, false }; // These are just state caches of the buttons for their respective checkboxes!
+    std::array<std::atomic_bool, BTN_NUMBER> buttons;
+    std::array<bool, BTN_NUMBER> buttonCheckboxes; // These are just state caches of the buttons for their respective checkboxes!
     bool buttonResetAfterMultiPress = true;
     uint8_t batRaw = 0;
     bool charging = true;

emulator/src/Emulator.cpp

@@ -36,6 +36,10 @@ static void shutdownEmulatorByInterruptSignal(int s) {
 }
 
 OswEmulator::OswEmulator(bool headless, std::string configPath, std::string imguiPath): isHeadless(headless) {
+    // Initialize variables
+    for(size_t i = 0; i < BTN_NUMBER; i++)
+        this->buttonCheckboxes[i] = false;
+
     // Load emulator config
     this->configPath = configPath;
     this->imguiPath = imguiPath;
@@ -256,13 +260,13 @@ void OswEmulator::run() {
 
         // Present the fake-display texture as an ImGUI window
         if(!this->isHeadless) {
-            ImGui::Begin("Display");
+            ImGui::Begin(LANG_IMGUI_DISPLAY "###display");
             // Using ImGui::BeginChild() to set the size of the inner window properly
             ImGui::BeginChild("##FakeDisplayTexture", ImVec2(fakeDisplayInstance->width, fakeDisplayInstance->height));
             if(fakeDisplayInstance->isEnabled())
                 ImGui::Image((void*) fakeDisplayInstance->getTexture(), ImVec2(fakeDisplayInstance->width, fakeDisplayInstance->height));
             else
-                ImGui::Text("Display is not active.");
+                ImGui::Text(LANG_IMGUI_DISPLAY_NOPE);
             ImGui::EndChild();
             ImGui::End();
         }
@@ -358,12 +362,12 @@ void OswEmulator::requestSleep(RequestSleepState state) {
     this->requestedSleepState = state;
 }
 
-void OswEmulator::setButton(unsigned id, bool state) {
+void OswEmulator::setButton(Button id, bool state) {
     this->buttonCheckboxes.at(id) = state;
     this->buttons.at(id) = state;
 };
 
-bool OswEmulator::getButton(unsigned id) {
+bool OswEmulator::getButton(Button id) {
     return this->buttons.at(id);
 };
 
@@ -397,48 +401,49 @@ void OswEmulator::addGUIHelp(const char* msg) {
 
 void OswEmulator::renderGUIFrameEmulator() {
     // Emulator control
-    ImGui::Begin("Emulator");
-    ImGui::Text("CPU: %s", this->cpustate == CPUState::active ? "Active" : (this->cpustate == CPUState::light ? "Light Sleep" : "Deep Sleep"));
+    ImGui::Begin(LANG_IMGUI_EMULATOR "###emulator");
+    ImGui::Text("CPU: %s", this->cpustate == CPUState::active ? LANG_EMULATOR_CPU_ACTIVE : (this->cpustate == CPUState::light ? LANG_EMULATOR_CPU_LIGHT_SLEEP : LANG_EMULATOR_CPU_DEEP_SLEEP));
     ImGui::PlotLines("FPS Emulator", (float*) this->frameCountsEmulator.data() + 1, this->frameCountsEmulator.size() - 1);
     ImGui::PlotLines("FPS OSW-UI", (float*) this->frameCountsOsw.data() + 1, this->frameCountsOsw.size() - 1);
     ImGui::PlotLines("loop()", (float*) this->timesLoop.data(), this->timesLoop.size());
     ImGui::Separator();
-    ImGui::Checkbox("Keep-Awake", &this->autoWakeUp);
-    this->addGUIHelp("This will always wakeup the watch for the next frame.");
+    ImGui::Checkbox(LANG_EMULATOR_WAKELOCK, &this->autoWakeUp);
+    this->addGUIHelp(LANG_EMULATOR_WAKELOCK_HELP);
     if(this->cpustate == CPUState::active) { // If false, the ui instance could be unavailable
-        ImGui::Checkbox("FPS Limiter", &OswUI::getInstance()->mEnableTargetFPS);
-        this->addGUIHelp("This will limit the FPS to the target FPS set in the OswUI class.");
+        ImGui::Checkbox(LANG_EMULATOR_FPSLIMIT, &OswUI::getInstance()->mEnableTargetFPS);
+        this->addGUIHelp(LANG_EMULATOR_FPSLIMIT_HELP);
     }
     if(!this->autoWakeUp and this->cpustate != CPUState::active and ImGui::Button("Wake Up"))
         this->manualWakeUp = true;
     ImGui::End();
 
     // Button Control
-    ImGui::Begin("Buttons");
-    if(ImGui::Button("Button PWR")) {
+    ImGui::Begin(LANG_IMGUI_BUTTONS "###buttons");
+    if(ImGui::Button(LANG_EMULATOR_BTN " PWR")) {
         this->enterSleep(true);
         this->manualWakeUp = true;
     }
-    this->addGUIHelp("This button will interrupt the power to the CPU and reset the OS (as from deep sleep).");
+    this->addGUIHelp(LANG_EMULATOR_BTN_PWR_HELP);
     for(size_t buttonId = 0; buttonId < this->buttons.size(); ++buttonId) {
-        ImGui::Button(("Button " + std::to_string(buttonId + 1)).c_str());
+        // Due to this checkbox-alignment they are always one frame behind the button state (but this is not a problem)
+        ImGui::Checkbox(("##btn" + std::to_string(buttonId + 1)).c_str(), &this->buttonCheckboxes.at(buttonId)); // "##" as prefix hides the label, but still allows for unique ids
+        ImGui::SameLine();
+        ImGui::Button((std::string(LANG_EMULATOR_BTN " ") + ButtonNames[buttonId]).c_str());
         if(ImGui::IsItemActivated() or ImGui::IsItemDeactivated()) // Only use the button to control the button state, if it changed during the last frame
             this->buttonCheckboxes.at(buttonId) = ImGui::IsItemActive();
         if(ImGui::IsItemDeactivated() and this->buttonResetAfterMultiPress) {
             for(size_t bId = 0; bId < this->buttonCheckboxes.size(); ++bId)
                 if(this->buttonCheckboxes.at(bId))
-                    this->setButton(bId, false);
+                    this->setButton((Button) bId, false);
         }
-        ImGui::SameLine();
-        ImGui::Checkbox(("##btn" + std::to_string(buttonId + 1)).c_str(), &this->buttonCheckboxes.at(buttonId)); // "##" as prefix hides the label, but still allows for unique ids
-        this->setButton(buttonId, this->buttonCheckboxes.at(buttonId));
+        this->setButton((Button) buttonId, this->buttonCheckboxes.at(buttonId));
     }
-    ImGui::Checkbox("Release after multi-press", &this->buttonResetAfterMultiPress);
-    this->addGUIHelp("Whenever you press-and-hold any butten(s) by activating their checkbox(es) and then click-and-release any button normally, all other held buttons will also be released.");
+    ImGui::Checkbox(LANG_EMULATOR_MBTN, &this->buttonResetAfterMultiPress);
+    this->addGUIHelp(LANG_EMULATOR_MBTN_HELP);
     ImGui::End();
 
     // Virtual Sensors
-    ImGui::Begin("Virtual Sensors");
+    ImGui::Begin(LANG_IMGUI_VIRTUAL_SENSORS "###virtual_sensors");
     if(OswHal::getInstance()->devices() and OswHal::getInstance()->devices()->virtualDevice) {
         ImGui::InputFloat("Temperature", &OswHal::getInstance()->devices()->virtualDevice->values.temperature, 1, 10);
         ImGui::InputFloat("Pressure", &OswHal::getInstance()->devices()->virtualDevice->values.pressure, 1, 10);
@@ -449,10 +454,10 @@ void OswEmulator::renderGUIFrameEmulator() {
         ImGui::InputInt("Magnetometer Azimuth", &OswHal::getInstance()->devices()->virtualDevice->values.magnetometerAzimuth, 1, 10);
         ImGui::InputInt("Steps", (int*) &OswHal::getInstance()->devices()->virtualDevice->values.steps, 1, 10); // Warning - negative values will cause an underflow... ImGui has no conventient way of limiting the input range...
     } else
-        ImGui::Text("The virtual sensors are only available, while the virtual device is active.");
+        ImGui::Text(LANG_IMGUI_VIRTUAL_SENSORS_NOPE);
     ImGui::End();
 
-    ImGui::Begin("Configuration");
+    ImGui::Begin(LANG_IMGUI_CONFIGURATION "###configuration");
     if(this->configValuesCache.size()) {
         for(auto& [label, keyIds] : this->configSectionsToIdCache) {
             if(ImGui::CollapsingHeader(label.c_str()))
@@ -515,7 +520,7 @@ void OswEmulator::renderGUIFrameEmulator() {
                 }
         }
 
-        ImGui::Button("Save");
+        ImGui::Button(LANG_SAVE);
         if(ImGui::IsItemActive()) {
             OswConfig::getInstance()->enableWrite();
             for(size_t keyId = 0; keyId < oswConfigKeysCount; ++keyId) {
@@ -553,7 +558,7 @@ void OswEmulator::renderGUIFrameEmulator() {
                 OswConfig::getInstance()->notifyChange();
         }
     } else
-        ImGui::Text("The configuration is not initialized yet.");
+        ImGui::Text(LANG_IMGUI_CONFIGURATION_NOPE);
     ImGui::End();
 }
 

emulator/src/IO.cpp

@@ -4,6 +4,7 @@
 
 #include "Emulator.hpp"
 #include OSW_TARGET_PLATFORM_HEADER
+#include "hal/buttons.h"
 #include "osw_pins.h" // Used for BTN_*
 
 void pinMode(int pin, int mode) {
@@ -24,13 +25,13 @@ uint8_t digitalRead(int pin) {
     const uint8_t buttonClickStates[] = BTN_STATE_ARRAY;
     switch (pin) {
     case BTN_1:
-        return ((OswEmulator::instance->getButton(0) ? LOW : HIGH) == buttonClickStates[0]) ? LOW : HIGH;
+        return ((OswEmulator::instance->getButton(Button::BUTTON_SELECT) ? LOW : HIGH) == buttonClickStates[Button::BUTTON_SELECT]) ? LOW : HIGH;
         break;
     case BTN_2:
-        return ((OswEmulator::instance->getButton(1) ? LOW : HIGH) == buttonClickStates[1]) ? LOW : HIGH;
+        return ((OswEmulator::instance->getButton(Button::BUTTON_UP) ? LOW : HIGH) == buttonClickStates[Button::BUTTON_UP]) ? LOW : HIGH;
         break;
     case BTN_3:
-        return ((OswEmulator::instance->getButton(2) ? LOW : HIGH) == buttonClickStates[2]) ? LOW : HIGH;
+        return ((OswEmulator::instance->getButton(Button::BUTTON_DOWN) ? LOW : HIGH) == buttonClickStates[Button::BUTTON_DOWN]) ? LOW : HIGH;
         break;
     case OSW_DEVICE_TPS2115A_STATPWR:
         return OswEmulator::instance->isCharging() ? 1 : 0;

emulator/src/Preferences.cpp

@@ -8,6 +8,8 @@ bool Preferences::begin(const char* name, bool readOnly) {
     // Init "NVS"
     nvs_flash_init();
     this->name = std::string(name);
+    if(this->name.length() > 15)
+        return false; // Name too long (max 15 chars, as specified for nvs_open())
     // Init Jzon tree by loading (existing) file
     this->path = std::filesystem::path(preferencesFolderName) / (this->name + ".json");
     if(std::filesystem::exists(this->path)) {

emulator/src/tests/OswAppAlarm.cpp

@@ -44,8 +44,7 @@ class TestAlarm {
 
 // Helpers
 static OswAppAlarm createAlarm() {
-    std::shared_ptr<OswAppSwitcher> mockSwitcher = std::make_shared<OswAppSwitcher>(BUTTON_1, SHORT_PRESS, false, false, nullptr);
-    OswAppAlarm alarm{mockSwitcher.get()};
+    OswAppAlarm alarm;
     return alarm;
 }
 

emulator/src/tests/OswAppTimer.cpp

@@ -44,8 +44,7 @@ class TestTimer {
 
 // Helpers
 static OswAppTimer createTimer() {
-    std::shared_ptr<OswAppSwitcher> mockSwitcher = std::make_shared<OswAppSwitcher>(BUTTON_1, SHORT_PRESS, false, false, nullptr);
-    OswAppTimer timer{mockSwitcher.get()};
+    OswAppTimer timer;
     return timer;
 }
 

img/icons/.gitignore

@@ -0,0 +1 @@
+*.xcf