#define TIMER_SIGNAL_1 SIGRTMIN + 1

timerValues_t *timer1 = (timerValues_t *)malloc(sizeof(timerValues_t));

timerInit(timer1,TIMER_SIGNAL_1,timerCallback_1);

timerStart(timer1, 0 , 1000 );   -> 1second Periodic Timer
timerStart(timer1, 1000, 1000 ); -> 1second Periodic Timer
timerStart(timer1, 3000, 0 );    -> 3second One Shot Timer

timerStop(timer1);

timerDeinit(timer1);

void timerCallback_1(int signal)
{
    //(void)signal;
    printf("Timer Interrupt %d ------------\n",signal);
}