57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
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* Copyright 2021 Dasky (@daskygit)
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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 <stdint.h>
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#include "report.h"
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#include "i2c_master.h"
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#ifndef PIMORONI_TRACKBALL_ADDRESS
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# define PIMORONI_TRACKBALL_ADDRESS 0x0A
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#endif
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#ifndef PIMORONI_TRACKBALL_SCALE
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# define PIMORONI_TRACKBALL_SCALE 5
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#endif
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#ifndef PIMORONI_TRACKBALL_DEBOUNCE_CYCLES
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# define PIMORONI_TRACKBALL_DEBOUNCE_CYCLES 20
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#endif
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#ifndef PIMORONI_TRACKBALL_ERROR_COUNT
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# define PIMORONI_TRACKBALL_ERROR_COUNT 10
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#endif
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#ifndef PIMORONI_TRACKBALL_TIMEOUT
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# define PIMORONI_TRACKBALL_TIMEOUT 100
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#endif
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#ifndef PIMORONI_TRACKBALL_DEBUG_INTERVAL
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# define PIMORONI_TRACKBALL_DEBUG_INTERVAL 100
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#endif
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typedef struct {
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uint8_t left;
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uint8_t right;
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uint8_t up;
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uint8_t down;
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uint8_t click;
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} pimoroni_data_t;
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void pimoroni_trackball_device_init(void);
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void pimoroni_trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white);
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int16_t pimoroni_trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_t scale);
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uint16_t pimoroni_trackball_get_cpi(void);
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void pimoroni_trackball_set_cpi(uint16_t cpi);
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i2c_status_t read_pimoroni_trackball(pimoroni_data_t* data);
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