mirror of
https://github.com/Keychron/qmk_firmware.git
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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/* Copyright 2021 Colin Lam (Ploopy Corporation)
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* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
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* Copyright 2019 Sunjun Kim
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* Copyright 2019 Hiroyuki Okada
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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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// Registers
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#define REG_PRODUCT_ID 0x00
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#define REG_REVISION_ID 0x01
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#define REG_MOTION 0x02
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#define REG_DELTA_X 0x03
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#define REG_DELTA_Y 0x04
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#define REG_SQUAL 0x05
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#define REG_SHUTTER_UPPER 0x06
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#define REG_SHUTTER_LOWER 0x07
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#define REG_MAXIMUM_PIXEL 0x08
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#define REG_PIXEL_SUM 0x09
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#define REG_MINIMUM_PIXEL 0x0a
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#define REG_PIXEL_GRAB 0x0b
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#define REG_MOUSE_CONTROL 0x0d
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#define REG_MOUSE_CONTROL2 0x19
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#define REG_LED_DC_MODE 0x22
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#define REG_CHIP_RESET 0x3a
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#define REG_PRODUCT_ID2 0x3e
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#define REG_INV_REV_ID 0x3f
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#define REG_MOTION_BURST 0x63
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// CPI values
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#define CPI125 0x11
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#define CPI250 0x12
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#define CPI375 0x13
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#define CPI500 0x14
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#define CPI625 0x15
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#define CPI750 0x16
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#define CPI875 0x17
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#define CPI1000 0x18
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#define CPI1125 0x19
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#define CPI1250 0x1a
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#define CPI1375 0x1b
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#ifdef CONSOLE_ENABLE
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void print_byte(uint8_t byte);
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#endif
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typedef struct {
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int8_t dx;
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int8_t dy;
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} report_adns_t;
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// A bunch of functions to implement the ADNS5050-specific serial protocol.
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// Note that the "serial.h" driver is insufficient, because it does not
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// manually manipulate a serial clock signal.
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void adns_init(void);
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void adns_sync(void);
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uint8_t adns_serial_read(void);
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void adns_serial_write(uint8_t data);
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uint8_t adns_read_reg(uint8_t reg_addr);
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void adns_write_reg(uint8_t reg_addr, uint8_t data);
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report_adns_t adns_read_burst(void);
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int8_t convert_twoscomp(uint8_t data);
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void adns_set_cpi(uint8_t cpi);
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bool adns_check_signature(void);
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