unit_LED_data.hpp

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/*
 * SPDX-FileCopyrightText: 2026 M5Stack Technology CO LTD
 *
 * SPDX-License-Identifier: MIT
 */
#ifndef M5_UNIT_RGB_UNIT_LED_DATA_HPP
#define M5_UNIT_RGB_UNIT_LED_DATA_HPP
 
#include "../utility/m5unit_rgb_utility.hpp"
#include <cstdint>
 
namespace m5 {
namespace unit {
 
namespace rgb {
 
using wrgb32_color_t = uint32_t;
 
union Color {
    explicit constexpr Color(const wrgb32_color_t c = 0) : wrgb{c}
    {
    }
    constexpr Color(const uint8_t rr, const uint8_t gg, const uint8_t bb, const uint8_t ww = 0)
        : b{bb}, g{gg}, r{rr}, w{ww}
    {
    }
    constexpr operator wrgb32_color_t() const
    {
        return wrgb;
    }
    static Color fromHSV(const uint8_t h, const uint8_t s, const uint8_t v)
    {
        return Color(hsv2rgb(h, s, v));
    }
 
    wrgb32_color_t wrgb{};  
    struct {
        uint8_t b;  
        uint8_t g;  
        uint8_t r;  
        uint8_t w;  
    };
    uint8_t a[4];  
};
constexpr bool operator==(const Color& lhs, const Color& rhs)
{
    return lhs.wrgb == rhs.wrgb;
}
 
constexpr uint32_t ticks_from_ns(const uint32_t ns, const uint32_t resolution_hz)
{
    return static_cast<uint32_t>((static_cast<uint64_t>(ns) * resolution_hz + 500000000ULL) / 1000000000ULL);
}
 
namespace timing {
constexpr uint32_t T0H_NS{350};       
constexpr uint32_t T0L_NS{800};       
constexpr uint32_t T1H_NS{700};       
constexpr uint32_t T1L_NS{600};       
constexpr uint32_t RESET_NS{300000};  
}  // namespace timing
 
}  // namespace rgb
}  // namespace unit
}  // namespace m5
#endif