keyboard.h File Reference

Keyboard driver.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

#include <stdint.h>

Data Structures
struct	keyboard_event
	Container for keycode and related event. More...

Macros
Keyboard definitions
#define	KEYBOARD_NO_KEY   0
#define	KEYBOARD_UP   38
#define	KEYBOARD_UP_MASK   2
#define	KEYBOARD_DOWN   40
#define	KEYBOARD_DOWN_MASK   4
#define	KEYBOARD_ENTER   13
#define	KEYBOARD_ENTER_MASK   1
#define	KEYBOARD_BACK   8
#define	KEYBOARD_BACK_MASK   8

Typedefs
typedef uint8_t	keycode_t
	Type to contain keycode. More...

Enumerations
enum	keyboard_event_type {   KEYBOARD_NO_EVENT,   KEYBOARD_PRESS,   KEYBOARD_RELEASE }
	Keyboard event types. More...

Functions
void	keyboard_get_key_state (struct keyboard_event *key)
	Check the status of the keyboard. More...

#define KEYBOARD_BACK   8

Referenced by keyboard_get_key_state().

#define KEYBOARD_BACK_MASK   8

Referenced by keyboard_get_key_state().

#define KEYBOARD_DOWN   40

Referenced by keyboard_get_key_state().

#define KEYBOARD_DOWN_MASK   4

Referenced by keyboard_get_key_state().

#define KEYBOARD_ENTER   13

Referenced by keyboard_get_key_state().

#define KEYBOARD_ENTER_MASK   1

Referenced by keyboard_get_key_state().

#define KEYBOARD_NO_KEY   0

Referenced by keyboard_get_key_state().

#define KEYBOARD_UP   38

Referenced by keyboard_get_key_state().

#define KEYBOARD_UP_MASK   2

Referenced by keyboard_get_key_state().

typedef uint8_t keycode_t

Type to contain keycode.

enum keyboard_event_type

Keyboard event types.

Enumerator
KEYBOARD_NO_EVENT
KEYBOARD_PRESS
KEYBOARD_RELEASE

void keyboard_get_key_state

(

struct keyboard_event *

keybuffer

)

Check the status of the keyboard.

This function checks what keys have been pressed or released, updating their status and saving the current key change (if any) in the specified buffer.

Parameters

keybuffer

Pointer to keyboard_event struct to store status.

References gpio_pin_is_high, gpio_pin_is_low, GPIO_PUSH_BUTTON_0, GPIO_PUSH_BUTTON_1, GPIO_PUSH_BUTTON_2, KEYBOARD_BACK, KEYBOARD_BACK_MASK, KEYBOARD_DOWN, KEYBOARD_DOWN_MASK, KEYBOARD_ENTER, KEYBOARD_ENTER_MASK, KEYBOARD_NO_EVENT, KEYBOARD_NO_KEY, KEYBOARD_PRESS, KEYBOARD_RELEASE, KEYBOARD_UP, KEYBOARD_UP_MASK, keyboard_event::keycode, touch_key_is_pressed(), and keyboard_event::type.

Referenced by oven_classb_error_insertion(), show_button_splash(), and show_explain_splash().