tm1908.h

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#pragma once
 
#include "fl/stl/noexcept.h"
#include "fl/stl/stdint.h"
 
namespace fl {

template <typename InputIterator, typename OutputIterator>
void encodeTM1908(InputIterator first, InputIterator last,
                  OutputIterator out) FL_NO_EXCEPT {
    const u8 prefix[] = {
        0xff, 0xff, 0xff, 0x00, 0x00, 0x00, // normal-mode command
        0x7f, 0x7f, 0x7f,                   // 25 mA R/G/B current
    };
    for (u8 byte : prefix) {
        *out++ = byte;
    }
 
    while (first != last) {
        const auto& pixel = *first;
        *out++ = pixel[0];
        *out++ = pixel[1];
        *out++ = pixel[2];
        ++first;
    }
}
 
} // namespace fl