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- /* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
- * Copyright 2019 Sunjun Kim
- * Copyright 2020 Ploopy Corporation
- *
- * 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 "spi_master.h"
-
- // Registers
- #define REG_Product_ID 0x00
- #define REG_Revision_ID 0x01
- #define REG_Motion 0x02
- #define REG_Delta_X_L 0x03
- #define REG_Delta_X_H 0x04
- #define REG_Delta_Y_L 0x05
- #define REG_Delta_Y_H 0x06
- #define REG_SQUAL 0x07
- #define REG_Raw_Data_Sum 0x08
- #define REG_Maximum_Raw_data 0x09
- #define REG_Minimum_Raw_data 0x0A
- #define REG_Shutter_Lower 0x0B
- #define REG_Shutter_Upper 0x0C
- #define REG_Control 0x0D
- #define REG_Config1 0x0F
- #define REG_Config2 0x10
- #define REG_Angle_Tune 0x11
- #define REG_Frame_Capture 0x12
- #define REG_SROM_Enable 0x13
- #define REG_Run_Downshift 0x14
- #define REG_Rest1_Rate_Lower 0x15
- #define REG_Rest1_Rate_Upper 0x16
- #define REG_Rest1_Downshift 0x17
- #define REG_Rest2_Rate_Lower 0x18
- #define REG_Rest2_Rate_Upper 0x19
- #define REG_Rest2_Downshift 0x1A
- #define REG_Rest3_Rate_Lower 0x1B
- #define REG_Rest3_Rate_Upper 0x1C
- #define REG_Observation 0x24
- #define REG_Data_Out_Lower 0x25
- #define REG_Data_Out_Upper 0x26
- #define REG_Raw_Data_Dump 0x29
- #define REG_SROM_ID 0x2A
- #define REG_Min_SQ_Run 0x2B
- #define REG_Raw_Data_Threshold 0x2C
- #define REG_Config5 0x2F
- #define REG_Power_Up_Reset 0x3A
- #define REG_Shutdown 0x3B
- #define REG_Inverse_Product_ID 0x3F
- #define REG_LiftCutoff_Tune3 0x41
- #define REG_Angle_Snap 0x42
- #define REG_LiftCutoff_Tune1 0x4A
- #define REG_Motion_Burst 0x50
- #define REG_LiftCutoff_Tune_Timeout 0x58
- #define REG_LiftCutoff_Tune_Min_Length 0x5A
- #define REG_SROM_Load_Burst 0x62
- #define REG_Lift_Config 0x63
- #define REG_Raw_Data_Burst 0x64
- #define REG_LiftCutoff_Tune2 0x65
-
- #ifdef CONSOLE_ENABLE
- void print_byte(uint8_t byte);
- #endif
-
- typedef struct {
- int8_t motion;
- bool isMotion; // True if a motion is detected.
- bool isOnSurface; // True when a chip is on a surface
- int16_t dx; // displacement on x directions. Unit: Count. (CPI * Count = Inch value)
- int8_t mdx;
- int16_t dy; // displacement on y directions.
- int8_t mdy;
- } report_pmw_t;
-
-
-
- bool spi_start_adv(void);
- void spi_stop_adv(void);
- spi_status_t spi_write_adv(uint8_t reg_addr, uint8_t data);
- uint8_t spi_read_adv(uint8_t reg_addr);
- bool pmw_spi_init(void);
- void pmw_set_cpi(uint16_t cpi);
- void pmw_upload_firmware(void);
- bool pmw_check_signature(void);
- report_pmw_t pmw_read_burst(void);
-
-
- #define degToRad(angleInDegrees) ((angleInDegrees)*M_PI / 180.0)
- #define radToDeg(angleInRadians) ((angleInRadians)*180.0 / M_PI)
- #define constrain(amt, low, high) ((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt)))
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