mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-11-30 04:37:14 +06:00
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/* Copyright 2021 Gompa (@Gompa)
|
|
*
|
|
* 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 <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#ifndef PAW3204_SCLK_PIN
|
|
# ifdef POINTING_DEVICE_SCLK_PIN
|
|
# define PAW3204_SCLK_PIN POINTING_DEVICE_SCLK_PIN
|
|
# else
|
|
# error "No clock pin defined -- missing POINTING_DEVICE_SCLK_PIN or PAW3204_SCLK_PIN"
|
|
# endif
|
|
#endif
|
|
#ifndef PAW3204_SDIO_PIN
|
|
# ifdef POINTING_DEVICE_SDIO_PIN
|
|
# define PAW3204_SDIO_PIN POINTING_DEVICE_SDIO_PIN
|
|
# else
|
|
# error "No data pin defined -- missing POINTING_DEVICE_SDIO_PIN or PAW3204_SDIO_PIN"
|
|
# endif
|
|
#endif
|
|
|
|
typedef struct {
|
|
int16_t x;
|
|
int16_t y;
|
|
bool isMotion;
|
|
} report_paw3204_t;
|
|
|
|
/**
|
|
* @brief Initializes the sensor so it is in a working state and ready to
|
|
* be polled for data.
|
|
*
|
|
* @return true Initialization was a success
|
|
* @return false Initialization failed, do not proceed operation
|
|
*/
|
|
void paw3204_init(void);
|
|
|
|
/**
|
|
* @brief Reads and clears the current delta, and motion register values on the
|
|
* given sensor.
|
|
*
|
|
* @return pmw33xx_report_t Current values of the sensor, if errors occurred all
|
|
* fields are set to zero
|
|
*/
|
|
|
|
report_paw3204_t paw3204_read(void);
|
|
/**
|
|
* @brief Sets the given CPI value the sensor. CPI is often refereed to
|
|
* as the sensors sensitivity. Values outside of the allowed range are
|
|
* constrained into legal values.
|
|
*
|
|
* @param cpi CPI value to set
|
|
*/
|
|
void paw3204_set_cpi(uint16_t cpi);
|
|
|
|
/**
|
|
* @brief Gets the currently set CPI value from the sensor. CPI is often
|
|
* refereed to as the sensors sensitivity.
|
|
*
|
|
* @return uint16_t Current CPI value of the sensor
|
|
*/
|
|
uint16_t paw3204_get_cpi(void);
|