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