17xx.h&quot;</span>

uint32_t msTicks = 0;                                       <span class="comment">/* Variable to store millisecond ticks */</span>

                                            
<span class="keywordtype">void</span> SysTick_Handler(<span class="keywordtype">void</span>)  {                               <span class="comment">/* SysTick interrupt Handler.</span>
<span class="comment">  msTicks++;                                                   See startup file startup_LPC17xx.s for SysTi