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Tactility/Documentation/ideas.md
Ken Van Hoeylandt f34440eb6f
Fixes and improvements (#132) 
- Fix glitch when turning on WiFi: It would temporarily show "No networks found" right before starting the first scan.
- Fix spinner to use Assets.h
- Replace statusbar battery icons 
- Better statusbar icon for when WiFi is on but not connected
- Replace statusbar WiFi icons and Wifi Manage RSSI/lock icons
- Fix for crash when timer is null in I2cScanner
- Deprecate Spacer
- Fixes for toolbar layout (simplified)
- Improved ImageViewer app: center image and add filename text on the bottom
- Add LV debug params to sdkconfig.developer
- Disabled LV spinner, msgbox and window widgets. These have equivalents in Tactility.
2024-12-17 23:32:43 +01:00

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Bugs

  • I2C Scanner is on M5Stack devices is broken
  • Fix screenshot app on ESP32: it currently blocks when allocating memory (its cmakelists.txt also needs a fix, see TODO in there)
  • Commit fix to esp_lvgl_port to have esp_lvgl_port_disp.c user driver_data instead of user_data
  • WiFi bug: when pressing disconnect while between WIFI_EVENT_STA_START and IP_EVENT_STA_GOT_IP, then auto-connect becomes activate again.
  • elf_loader, lvgl and TactilityC in TactilitySDK should include their license files
  • ESP32 (CYD) runs out of memory when:
    • loading splash (even in Files app)
    • WiFi is on and navigating back to Desktop Suggested mitigation: When no PSRAM is available, use simplified desktop buttons
  • WiFi fails quietly when there isn't enough memory. Add statusbar icon for memory pressure. Show error in WiFi screen (e.g. AlertDialog when SPI is not enabled and available memory is below a certain amount)
  • WiFi details "forget" button should be hidden when WiFi credentials are not stores yet.

TODOs

  • When WiFi is on, but there is no connection, it sort of seems like WiFi is off. Find better icon? Gnome uses a grayed-out 100% connectivity one.
  • Create different partitions files for different ESP flash size targets (N4, N8, N16, N32)
  • Rewrite sdcard HAL to class
  • 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. We'll need to keep track of all manifest instances, so that the wrapper can look up the relevant manifest for the relevant callbacks.
  • T-Deck: Clear screen before turning on blacklight
  • Single wire audio
  • Audio recording app
  • Files app: file operations: rename, delete, copy, paste (long press?), create folder
  • T-Deck: Use knob for UI selection
  • Logging to disk/etc.
  • Crash monitoring: Keep track of which system phase the app crashed in (e.g. which app in which state)
  • 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
  • Loader: Use main dispatcher instead of Thread, and move API to tt::app::
  • Create more unit tests for tactility-core and tactility (PC-only for now)
  • Show a warning screen if firmware encryption or secure boot are off when saving WiFi credentials.
  • Show a warning screen when a user plugs in the SD card on a device that only supports mounting at boot.
  • Localisation of texts (load in boot app from sd?)
  • Explore LVGL9's FreeRTOS functionality
  • Replace M5Unified and M5GFX with custom drivers (so we can fix the Core2 SD card mounting bug, and so we regain some firmware space)
  • External app loading: Check version of Tactility and check ESP target hardware, to check for compatibility.
  • Scanning SD card for external apps and auto-register them (in a temporary register?)
  • tt::app::start() and similar functions as proxies for Loader app start/stop/etc.
  • Support hot-plugging SD card

Nice-to-haves

  • T-Deck Plus: Create separate board config?
  • Support for displays with different DPI. Consider the layer-based system like on Android.
  • Make firmwares available via web serial website
  • If present, use LED to show boot status
  • T-Deck Power: capacity estimation uses linear voltage curve, but it should use some sort of battery discharge curve.

App Ideas

  • USB implementation to make device act as mass storage device.
  • System logger
  • BlueTooth keyboard app
  • Chip 8 emulator
  • BadUSB (in December 2024, TinyUSB has a bug where uninstalling and re-installing the driver fails)
  • Discord bot
  • IR transceiver app
  • GPS app
  • Investigate CSI https://stevenmhernandez.github.io/ESP32-CSI-Tool/
  • Compile unix tools to ELF apps?