p9813.h

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#pragma once

 
#include "fl/stl/stdint.h"
#include "fl/stl/array.h"
#include "fl/chipsets/encoders/encoder_utils.h"
#include "fl/chipsets/encoders/encoder_constants.h"
#include "fl/stl/noexcept.h"
 
namespace fl {

template <typename InputIterator, typename OutputIterator>
void encodeP9813(InputIterator first, InputIterator last, OutputIterator out) FL_NO_EXCEPT {
    // Start boundary: 4 bytes of 0x00
    *out++ = 0x00;
    *out++ = 0x00;
    *out++ = 0x00;
    *out++ = 0x00;
 
    // LED data: flag + BGR
    while (first != last) {
        const fl::array<u8, BYTES_PER_PIXEL_RGB>& pixel = *first;
 
        // P9813 flag byte: 0xC0 | checksum (BGR order: 0=B, 1=G, 2=R)
        u8 flag = p9813FlagByte(pixel[2], pixel[1], pixel[0]);  // r, g, b
 
        *out++ = flag;
        *out++ = pixel[0];  // Index 0 (BGR order: Blue)
        *out++ = pixel[1];  // Index 1 (BGR order: Green)
        *out++ = pixel[2];  // Index 2 (BGR order: Red)
 
        ++first;
    }
 
    // End boundary: 4 bytes of 0x00
    *out++ = 0x00;
    *out++ = 0x00;
    *out++ = 0x00;
    *out++ = 0x00;
}
 
} // namespace fl