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1953a7449d
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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