qmk_firmware/keyboards/molecule/adns.h

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/* Copyright 2020 Richard Sutherland <rich@brickbots.com>
*
* 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
void adns_begin(void);
void adns_end(void);
void adns_write(uint8_t reg_addr, uint8_t data);
uint8_t adns_read(uint8_t reg_addr);
int16_t convertDeltaToInt(uint8_t high, uint8_t low);
struct _motion_delta {
int16_t delta_x;
int16_t delta_y;
int8_t motion_ind;
};
typedef struct _motion_delta motion_delta_t;
motion_delta_t readSensor(void);