#include <unistd.h>
pauses the current task for sec seconds
returns: zero
int
msleep
( int msec );
#include <unistd.h>
pauses the current task for msec milliseconds
returns: zero
void
power_off
( );
#include <rom/system.h>
Initiates Software Standby/Low Power mode. On/Off button will reactivate
void
reset
( );
#include <rom/system.h>
Returns control to ROM, ie. Cold Boot
int
random
( );
#include <stdlib.h>
returns: a random integer
void
srandom
( int seed );
#include <stdlib.h>
Seeds the random number generator with value seed
long int
sys_time
#include <time.h>
macro that evaluates to the current system time (time up from last firmware d/l) in msec.
This is a 32 bit value which will overflow after 49.7 days of continuous operation.