mirror of
https://github.com/Keychron/qmk_firmware.git
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104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/* 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 2020 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 "spi_master.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_L 0x03
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#define REG_Delta_X_H 0x04
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#define REG_Delta_Y_L 0x05
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#define REG_Delta_Y_H 0x06
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#define REG_SQUAL 0x07
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#define REG_Raw_Data_Sum 0x08
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#define REG_Maximum_Raw_data 0x09
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#define REG_Minimum_Raw_data 0x0A
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#define REG_Shutter_Lower 0x0B
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#define REG_Shutter_Upper 0x0C
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#define REG_Control 0x0D
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#define REG_Config1 0x0F
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#define REG_Config2 0x10
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#define REG_Angle_Tune 0x11
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#define REG_Frame_Capture 0x12
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#define REG_SROM_Enable 0x13
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#define REG_Run_Downshift 0x14
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#define REG_Rest1_Rate_Lower 0x15
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#define REG_Rest1_Rate_Upper 0x16
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#define REG_Rest1_Downshift 0x17
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#define REG_Rest2_Rate_Lower 0x18
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#define REG_Rest2_Rate_Upper 0x19
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#define REG_Rest2_Downshift 0x1A
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#define REG_Rest3_Rate_Lower 0x1B
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#define REG_Rest3_Rate_Upper 0x1C
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#define REG_Observation 0x24
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#define REG_Data_Out_Lower 0x25
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#define REG_Data_Out_Upper 0x26
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#define REG_Raw_Data_Dump 0x29
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#define REG_SROM_ID 0x2A
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#define REG_Min_SQ_Run 0x2B
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#define REG_Raw_Data_Threshold 0x2C
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#define REG_Config5 0x2F
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#define REG_Power_Up_Reset 0x3A
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#define REG_Shutdown 0x3B
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#define REG_Inverse_Product_ID 0x3F
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#define REG_LiftCutoff_Tune3 0x41
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#define REG_Angle_Snap 0x42
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#define REG_LiftCutoff_Tune1 0x4A
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#define REG_Motion_Burst 0x50
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#define REG_LiftCutoff_Tune_Timeout 0x58
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#define REG_LiftCutoff_Tune_Min_Length 0x5A
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#define REG_SROM_Load_Burst 0x62
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#define REG_Lift_Config 0x63
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#define REG_Raw_Data_Burst 0x64
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#define REG_LiftCutoff_Tune2 0x65
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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 motion;
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bool isMotion; // True if a motion is detected.
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bool isOnSurface; // True when a chip is on a surface
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int16_t dx; // displacement on x directions. Unit: Count. (CPI * Count = Inch value)
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int8_t mdx;
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int16_t dy; // displacement on y directions.
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int8_t mdy;
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} report_pmw_t;
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bool spi_start_adv(void);
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void spi_stop_adv(void);
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spi_status_t spi_write_adv(uint8_t reg_addr, uint8_t data);
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uint8_t spi_read_adv(uint8_t reg_addr);
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bool pmw_spi_init(void);
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void pmw_set_cpi(uint16_t cpi);
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void pmw_upload_firmware(void);
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bool pmw_check_signature(void);
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report_pmw_t pmw_read_burst(void);
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#define degToRad(angleInDegrees) ((angleInDegrees)*M_PI / 180.0)
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#define radToDeg(angleInRadians) ((angleInRadians)*180.0 / M_PI)
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#define constrain(amt, low, high) ((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt)))
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