Feature/lvglterm input variants#19279
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xiaoxiang781216 merged 2 commits intoJul 3, 2026
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Add the 56-key matrix keyboard driver for the M5Stack Cardputer. The keys form an 8x7 matrix behind a 74HC138 3-to-8 demultiplexer; the driver scans it on the low-priority work queue and registers a keyboard device at /dev/kbd0, reporting ASCII codes with SHIFT/CTRL and Fn (cursor) handling. Add an "lvglterm" configuration that runs the on-screen NuttShell terminal (apps/examples/lvglterm, physical-keyboard input variant) on the ST7789 display: the shell output is rendered in an LVGL text area and the keyboard feeds the input. Wi-Fi is included so the on-screen shell can associate with an access point using wapi. Signed-off-by: Jorge Guzman <jorge.gzm@gmail.com>
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This PR depends on the companion nuttx-apps PR apache/nuttx-apps#3582 |
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Add an "lvglterm" configuration that runs the on-screen NuttShell terminal (apps/examples/lvglterm, touch input variant) on the display: an on-screen LVGL keyboard driven by the FT5X06 touchscreen feeds the shell and the NSH output is rendered in an LVGL text area. Update the apps/examples/lvglterm documentation to describe the two input variants (on-screen touch keyboard and physical keyboard) and their configuration options (input source, keyboard device and font choices). Signed-off-by: Jorge Guzman <jorge.gzm@gmail.com>
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Summary
This PR has two commits, one per board, each exercising the on-screen NuttShell terminal (the lvglterm example) with a different LVGL input source:
boards/esp32s3: esp32s3-m5-cardputer: adds the 56-key matrix keyboard driver (8x7 matrix behind a 74HC138 demultiplexer, registered as /dev/kbd0) and an lvglterm configuration that runs the terminal fed by the physical keyboard, with Wi-Fi enabled.
boards/arm/stm32h7: linum-stm32h753bi: adds an lvglterm configuration that runs the same terminal fed by an on-screen keyboard driven by the FT5X06 touch sensor.
So one commit tests lvglterm with the touch sensor and the other with the Cardputer matrix keyboard.
Depends on the companion apps PR (nuttx-apps) that refactors apps/examples/lvglterm to support both input variants.
Impact
New board configurations plus one new board keyboard driver; no impact on existing boards. The default behaviour of lvglterm is unchanged (touch stays the default).
Testing
Both configs build clean and were flashed/validated on hardware.
Cardputer (physical keyboard):
Typed command inline (nsh> ls), Fn+;/. scroll, Wi-Fi works.
Linum (FT5X06 touch):