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415096c3b2
Improved the docs for the 3 main Tactility projects. I also fixed some inaccuracies and bugs in certain APIs as I went through the code.
72 lines
4.5 KiB
Markdown
72 lines
4.5 KiB
Markdown
# Issues
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- WiFi bug: when pressing disconnect while between `WIFI_EVENT_STA_START` and `IP_EVENT_STA_GOT_IP`, then auto-connect becomes active again.
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- ESP32 (CYD) memory issues (or any device without PSRAM):
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- Boot app doesn't show logo
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- WiFi is on and navigating back to Desktop makes desktop icons disappear
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- WiFi might fail quietly when trying to enable it: this shows no feedback (force it by increasing LVGL buffers to 100kB)
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Possible mitigations:
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- When no PSRAM is available, use simplified desktop buttons
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- Add statusbar icon for memory pressure.
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- Show error in WiFi screen (e.g. AlertDialog when SPI is not enabled and available memory is below a certain amount)
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- Clean up static_cast when casting to base class.
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- M5Stack CoreS3 SD card mounts, but cannot be read. There is currently a notice about it [here](https://github.com/espressif/esp-bsp/blob/master/bsp/m5stack_core_s3/README.md).
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- SD card statusbar icon shows error when there's a read timeout on the SD card status. Don't show the error icon in this scenario.
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- EventFlag: Fix return value of set/get/wait (the errors are weirdly mixed in)
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- getConfiguration() in TT headless is a reference, while in TT main project it's a pointer. Make it a pointer for headless too.
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# TODOs
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- Tactility.h config: List of apps and services can be a std::vector (get rid of TT_CONFIG_SERVICES_LIMIT and TT_CONFIG_APPS_LIMIT)
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- Boot hooks instead of a single boot method in config. Define different boot phases/levels in enum.
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- Rename "Desktop" to "Launcher" because it more clearly communicates its purpose
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- Add toggle to Display app for sysmon overlay: https://docs.lvgl.io/master/API/others/sysmon/index.html
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- Mutex: Cleanup deprecated methods
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- CrashHandler: use "corrupted" flag
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- CrashHandler: process other types of crashes (WDT?)
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- Call tt::lvgl::isSyncSet after HAL init and show error (and crash?) when it is not set.
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- Create different partitions files for different ESP flash size targets (N4, N8, N16, N32)
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- Attach ELF data to wrapper app (as app data) (check that app state is "running"!) so you can run more than 1 external apps at a time.
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We'll need to keep track of all manifest instances, so that the wrapper can look up the relevant manifest for the relevant callbacks.
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- T-Deck: Clear screen before turning on blacklight
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- Audio player app
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- Audio recording app
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- T-Deck: Use knob for UI selection
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- Logging to disk/etc.
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- Crash monitoring: Keep track of which system phase the app crashed in (e.g. which app in which state)
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- AppContext's onResult should pass the app id (or launch request id!) that was started, so we can differentiate between multiple types of apps being launched
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- Loader: Use main dispatcher instead of Thread
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- Create more unit tests for `tactility-core` and `tactility` (PC-only for now)
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- Show a warning screen if firmware encryption or secure boot are off when saving WiFi credentials.
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- Show a warning screen when a user plugs in the SD card on a device that only supports mounting at boot.
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- Localisation of texts (load in boot app from sd?)
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- Explore LVGL9's FreeRTOS functionality
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- Replace M5Unified and M5GFX with custom drivers (so we can fix the Core2 SD card mounting bug, and so we regain some firmware space)
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- External app loading: Check version of Tactility and check ESP target hardware, to check for compatibility.
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- Scanning SD card for external apps and auto-register them (in a temporary register?)
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- tt::app::start() and similar functions as proxies for Loader app start/stop/etc.
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- Support hot-plugging SD card
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# Nice-to-haves
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- OTA updates
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- Web flasher
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- T-Deck Plus: Create separate board config?
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- Support for displays with different DPI. Consider the layer-based system like on Android.
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- Make firmwares available via web serial website
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- If present, use LED to show boot/wifi status
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- T-Deck Power: capacity estimation uses linear voltage curve, but it should use some sort of battery discharge curve.
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- Statusbar widget to show how much memory is in use?
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- Wrapper for Slider that shows "+" and "-" buttons, and also the value in a label.
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- Display app: Add toggle to display performance measurement overlay (consider showing FPS in statusbar!)
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- Files app: copy/paste actions
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# App Ideas
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- USB implementation to make device act as mass storage device.
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- System logger
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- BlueTooth keyboard app
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- Chip 8 emulator
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- BadUSB (in December 2024, TinyUSB has a bug where uninstalling and re-installing the driver fails)
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- Discord bot
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- IR transceiver app
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- GPS app
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- Investigate CSI https://stevenmhernandez.github.io/ESP32-CSI-Tool/
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- Compile unix tools to ELF apps?
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