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/* Copyright 2021
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "quantum.h"
#include <stdbool.h>
#include <stdint.h>
/**
* \defgroup digitizer
*
* HID Digitizer
* \{
*/
typedef struct {
bool in_range : 1;
bool tip : 1;
bool barrel : 1;
float x;
float y;
bool dirty;
} digitizer_t;
extern digitizer_t digitizer_state;
/**
* \brief Send the digitizer report to the host if it is marked as dirty.
*/
void digitizer_flush(void);
/**
* \brief Assert the "in range" indicator, and flush the report.
*/
void digitizer_in_range_on(void);
/**
* \brief Deassert the "in range" indicator, and flush the report.
*/
void digitizer_in_range_off(void);
/**
* \brief Assert the tip switch, and flush the report.
*/
void digitizer_tip_switch_on(void);
/**
* \brief Deassert the tip switch, and flush the report.
*/
void digitizer_tip_switch_off(void);
/**
* \brief Assert the barrel switch, and flush the report.
*/
void digitizer_barrel_switch_on(void);
/**
* \brief Deassert the barrel switch, and flush the report.
*/
void digitizer_barrel_switch_off(void);
/**
* \brief Set the absolute X and Y position of the digitizer contact, and flush the report.
*
* \param x The X value of the contact position, from 0 to 1.
* \param y The Y value of the contact position, from 0 to 1.
*/
void digitizer_set_position(float x, float y);
void host_digitizer_send(digitizer_t *digitizer);
/** \} */
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