Cardputer Kit (#9540)

* Cardputer Kit
BMI270 WIP

* BMI270 support

* verify that the number of bytes read matches the requested length

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* trunk'd

* remove excessive logging

* Kick the screen when unsleeping

* Update the st7789 library, and enable displayon and displayoff

* Battery detection

* Default to arrow keys and enter, while in menus.

* Enable Backlight control

* Update src/detect/ScanI2CTwoWire.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* updateState method now accepts shouldRequestFocus parameter for better maintainability

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/input/CardputerKeyboard.h

@@ -0,0 +1,26 @@
+#include "TCA8418KeyboardBase.h"
+
+class CardputerKeyboard : public TCA8418KeyboardBase
+{
+  public:
+    CardputerKeyboard();
+    void reset(void);
+    void trigger(void) override;
+    virtual ~CardputerKeyboard() {}
+
+  protected:
+    void pressed(uint8_t key) override;
+    void released(void) override;
+
+    void updateModifierFlag(uint8_t key);
+    bool isModifierKey(uint8_t key);
+
+  private:
+    uint8_t modifierFlag;
+    uint32_t last_modifier_time;
+    int8_t last_key;
+    int8_t next_key;
+    uint32_t last_tap;
+    uint8_t char_idx;
+    int32_t tap_interval;
+};