r</span>: <span class="ident">Timer6</span> <span class="op">=</span> {
        <span class="comment">// ..</span>
    };
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">serial</span>: <span class="ident">Serial1</span> <span class="op">=</span> {
        <span class="comment">// ..</span>
    };
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">led</span>: <span class="ident">Led</span> <span class="op">=</span> {
        <span class="commen