Logitech R500 events

It maps to three input devices on Ubuntu Linux.

Logitech R500 Keyboard (Kobo Elipsa uses this mode)

Right - 1(EV_KEY), 106(KEY_RIGHT), 1

Left   - 1(EV_KEY), 105(KEY_LEFT), 1

8BitDo Zero 2 gamepad events

X-Input (X + start, then hold to press select)

Up    - 3(EV_ABS), 1(ABS_Y), 0

Down  - 3(EV_ABS), 1(ABS_Y), 65535

Left  - 3(EV_ABS), 0(ABS_X), 0

Right - 3(EV_ABS), 0(ABS_X), 65535

X     - 1(EV_KEY), 307(BTN_NORTH), 1

B     - 1(EV_KEY), 304(BTN_SOURTH), 1

Y     - 1(EV_KEY), 306(BTN_C), 1

A     - 1(EV_KEY), 305(BTN_EAST), 1

L     - 1(EV_KEY), 308(BTN_WEST), 1

R     - 1(EV_KEY), 309(BTN_Z), 1