4.6.31.1 Keyboard input report sizes

Macros for the input report for a standard HID keyboard.

• #define USB_HID_KEYBOARD_REPORT_KEYNUM 6u

• #define USB_HID_KEYBOARD_REPORT_SIZE (USB_HID_KEYBOARD_REPORT_KEYNUM + 2u)

• void USB_HIDKeyboardInitialize (USB_HID_REPORT_DESCRIPTOR_t *reportPtr, USB_HID_REPORT_CALLBACK_t callback)

  Sets up the keyboard application for use with the HID class.

• RETURN_CODE_t USB_HIDKeyModifierDown (uint8_t modifierID)

  Updates the keyboard report by adding the pressed modifier key in the modifier byte in the report array.

• RETURN_CODE_t USB_HIDKeyModifierUp (uint8_t modifierID)

  Updates the keyboard report by removing the released modifier key in the modifier byte in the report array.

• int8_t USB_HIDKeyCodeIndexGet (uint8_t keyID)

  Checks the report array to see that the key is already present.

• RETURN_CODE_t USB_HIDKeyPressDown (uint8_t keyID)

  Updates the keyboard report by adding the pressed key at the first available byte in the report array.

• RETURN_CODE_t USB_HIDKeyPressUp (uint8_t keyID)

  Updates the keyboard report by removing the released key and shifts the registered keys towards the beginning of the report array.