m5unit_rgb_utility.hpp

Go to the documentation of this file.

/*
 * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
 *
 * SPDX-License-Identifier: MIT
 */
#ifndef M5_UNIT_RGB_UTILITY_M5UNIT_RGB_UTILITY_HPP
#define M5_UNIT_RGB_UTILITY_M5UNIT_RGB_UTILITY_HPP
#include <cstdint>
 
namespace m5 {
namespace unit {
namespace rgb {
 
uint32_t hsv2rgb(const uint8_t h, const uint8_t s, const uint8_t v);
 
inline uint8_t scale8(const uint8_t a, const uint8_t b)
{
    return static_cast<uint8_t>((static_cast<uint16_t>(a) * b + 127) / 255);
}
 
}  // namespace rgb
}  // namespace unit
}  // namespace m5
 
#endif