47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/* Copyright 2024 Colin Lam (Ploopy Corporation)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "pointing_device.h"
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#ifndef PAW3222_CS_PIN
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# ifdef POINTING_DEVICE_CS_PIN
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# define PAW3222_CS_PIN POINTING_DEVICE_CS_PIN
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# else
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# error "No chip select pin defined -- missing POINTING_DEVICE_CS_PIN or PAW3222_CS_PIN define"
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# endif
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#endif
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#ifndef PAW3222_SPI_DIVISOR
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# error "No PAW3222 SPI divisor defined -- missing PAW3222_SPI_DIVISOR"
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#endif
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typedef struct {
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int16_t dx;
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int16_t dy;
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} report_paw3222_t;
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extern const pointing_device_driver_t paw3222_pointing_device_driver;
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bool paw3222_init(void);
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report_paw3222_t paw3222_read_burst(void);
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void paw3222_set_cpi(uint16_t cpi);
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uint16_t paw3222_get_cpi(void);
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report_mouse_t paw3222_get_report(report_mouse_t mouse_report);
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bool paw3222_check_signature(void);
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