@foxglove/ulog/dist/hex.js

PX4 ULog file reader

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.fromHex = fromHex;
exports.toHex = toHex;
const LUT_HEX_4b = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"];
const LUT_HEX_8b = new Array(0x100);
for (let n = 0; n < 0x100; n++) {
    LUT_HEX_8b[n] = `${LUT_HEX_4b[(n >>> 4) & 0xf]}${LUT_HEX_4b[n & 0xf]}`;
}
function fromHex(hex) {
    const match = hex.match(/.{1,2}/g) ?? [];
    return new Uint8Array(match.map((byte) => parseInt(byte, 16)));
}
function toHex(data) {
    let out = "";
    for (let idx = 0, edx = data.length; idx < edx; idx++) {
        out += LUT_HEX_8b[data[idx]];
    }
    return out;
}
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