/* * SPDX-License-Identifier: MIT * * Copyright (C) 2013-2025 OpenMV, LLC. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * Averaging utility functions. */ #ifndef __AVERAGE_H__ #define __AVERAGE_H__ #include #include typedef struct rgb_moving_average_val { uint32_t r_value; uint32_t g_value; uint32_t b_value; uint32_t timestamp_ms; } rgb_moving_average_val_t; typedef struct rgb_moving_average { size_t size; size_t tail; size_t head; size_t count; uint32_t max_ms; rgb_moving_average_val_t *buffer; uint64_t r_sum; uint64_t g_sum; uint64_t b_sum; } rgb_moving_average_t; void rgb_moving_average_init(rgb_moving_average_t *ma, uint32_t max_ms, size_t size, rgb_moving_average_val_t *buffer); void rgb_moving_average_update(rgb_moving_average_t *ma, uint32_t *r_value, uint32_t *g_value, uint32_t *b_value, uint32_t current_ms); void rgb_moving_average_get(rgb_moving_average_t *ma, uint32_t *r_value, uint32_t *g_value, uint32_t *b_value); #endif // __AVERAGE_H__