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https://github.com/qmk/qmk_firmware.git
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HorrorTroll
e4de46b3b0
* Added support PMW3325 sensor driver * Missing PMW3325 on pointing device document * Suggested changes resolved
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
// Copyright 2021 Colin Lam (Ploopy Corporation)
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// Copyright 2026 HorrorTroll <https://github.com/HorrorTroll>
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// SPDX-License-Identifier: GPL-2.0-or-later
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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 PMW3325_CS_PIN
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# ifdef POINTING_DEVICE_CS_PIN
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# define PMW3325_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 PMW3325_CS_PIN define"
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# endif
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#endif
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#ifndef PMW3325_SPI_DIVISOR
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# error "No PMW3325 SPI divisor defined -- missing PMW3325_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_pmw3325_t;
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extern const pointing_device_driver_t pmw3325_pointing_device_driver;
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bool pmw3325_init(void);
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report_pmw3325_t pmw3325_read_burst(void);
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void pmw3325_set_cpi(uint16_t cpi);
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uint16_t pmw3325_get_cpi(void);
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report_mouse_t pmw3325_get_report(report_mouse_t mouse_report);
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bool pmw3325_check_signature(void);
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#if !defined(PMW3325_CPI)
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# define PMW3325_CPI 2000
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#endif
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#define PMW3325_CPI_MIN 100
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#define PMW3325_CPI_MAX 5000
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#define PMW3325_CPI_STEP 100
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#define CONSTRAIN(amt, low, high) ((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt)))
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