#include "eyebot.h" void timer() { AUBeep(); /* background task */ } int main() { TimerHandle t; int i=0; t = OSAttachTimer(100, timer); while (KEYRead() != KEY4) /* loop until stop key press */ { LCDPrintf("%d\n", i++); /* foreground task */ } OSDetachTimer(t); /* free timer */ return 0; }