qmk_firmware/quantum/secure.h
2022-05-14 23:07:08 +01:00

80 lines
2.0 KiB
C

// Copyright 2022 QMK
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
/** \file
*
* Exposes a set of functionality to act as a virtual padlock for your device
* ... As long as that padlock is made of paper and its currently raining.
*/
#include <stdint.h>
#include <stdbool.h>
/** \brief Available secure states
*/
typedef enum {
SECURE_LOCKED,
SECURE_PENDING,
SECURE_UNLOCKED,
} secure_status_t;
/** \brief Query current secure state
*/
secure_status_t secure_get_status(void);
/** \brief Helper to check if unlocking is currently locked
*/
#define secure_is_locked() (secure_get_status() == SECURE_LOCKED)
/** \brief Helper to check if unlocking is currently in progress
*/
#define secure_is_unlocking() (secure_get_status() == SECURE_PENDING)
/** \brief Helper to check if unlocking is currently unlocked
*/
#define secure_is_unlocked() (secure_get_status() == SECURE_UNLOCKED)
/** \brief Lock down the device
*/
void secure_lock(void);
/** \brief Force unlock the device
*
* \warning bypasses user unlock sequence
*/
void secure_unlock(void);
/** \brief Begin listening for an unlock sequence
*/
void secure_request_unlock(void);
/** \brief Flag to the secure subsystem that user activity has happened
*
* Call when some user activity has happened and the device should remain unlocked
*/
void secure_activity_event(void);
/** \brief Flag to the secure subsystem that user has triggered a keypress
*
* Call to trigger processing of the unlock sequence
*/
void secure_keypress_event(uint8_t row, uint8_t col);
/** \brief Handle various secure subsystem background tasks
*/
void secure_task(void);
/** \brief quantum hook called when changing secure status device
*/
void secure_hook_quantum(secure_status_t secure_status);
/** \brief user hook called when changing secure status device
*/
bool secure_hook_user(secure_status_t secure_status);
/** \brief keyboard hook called when changing secure status device
*/
bool secure_hook_kb(secure_status_t secure_status);