diff options
author | Alabastard-64 <96358682+Alabastard-64@users.noreply.github.com> | 2022-01-11 15:33:13 -0700 |
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committer | GitHub <noreply@github.com> | 2022-01-11 14:33:13 -0800 |
commit | 2842ab405212aa7edca05eccc8ba892cd6cf54a4 (patch) | |
tree | f36962feb4057eb403f1f158f90ffd5b1ca57812 /drivers/sensors/pmw3389.h | |
parent | a7eb27b86775b96f14c4207fe25f74f0ac04220d (diff) |
Add PMW3389 optical sensor Support (Updated) (#15740)
Co-authored-by: Drashna Jaelre <drashna@live.com>
Diffstat (limited to 'drivers/sensors/pmw3389.h')
-rw-r--r-- | drivers/sensors/pmw3389.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/sensors/pmw3389.h b/drivers/sensors/pmw3389.h new file mode 100644 index 0000000000..a7c95e6076 --- /dev/null +++ b/drivers/sensors/pmw3389.h @@ -0,0 +1,76 @@ +/* Copyright 2021 Alabastard (@Alabastard-64) + * 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 <stdint.h> + +#ifndef PMW3389_CPI +# define PMW3389_CPI 2000 +#endif + +#ifndef PMW3389_CLOCK_SPEED +# define PMW3389_CLOCK_SPEED 2000000 +#endif + +#ifndef PMW3389_SPI_LSBFIRST +# define PMW3389_SPI_LSBFIRST false +#endif + +#ifndef PMW3389_SPI_MODE +# define PMW3389_SPI_MODE 3 +#endif + +#ifndef PMW3389_SPI_DIVISOR +# ifdef __AVR__ +# define PMW3389_SPI_DIVISOR (F_CPU / PMW3389_CLOCK_SPEED) +# else +# define PMW3389_SPI_DIVISOR 64 +# endif +#endif + +#ifndef PMW3389_LIFTOFF_DISTANCE +# define PMW3389_LIFTOFF_DISTANCE 0x02 +#endif + +#ifndef ROTATIONAL_TRANSFORM_ANGLE +# define ROTATIONAL_TRANSFORM_ANGLE 0x00 +#endif + +#ifndef PMW3389_CS_PIN +# error "No chip select pin defined -- missing PMW3389_CS_PIN" +#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_pmw3389_t; + +bool pmw3389_init(void); +void pmw3389_upload_firmware(void); +bool pmw3389_check_signature(void); +uint16_t pmw3389_get_cpi(void); +void pmw3389_set_cpi(uint16_t cpi); +/* Reads and clears the current delta values on the sensor */ +report_pmw3389_t pmw3389_read_burst(void); |