void loop(void) {
// Clear measurement values
memset(values,0,num_channels);
// Scan all channels num_reps times
int rep_counter = num_reps;
while (rep_counter--)
{
int i = num_channels;
while (i--)
{
// Select this channel
radio.setChannel(i);
// Listen for a little
radio.startListening();
__usleep(128);
radio.stopListening();
// Did we get a carrier?
if ( radio.testCarrier() )
++values[i];
}
}
// Print out channel measurements, clamped to a single hex digit
int i = 0;
while ( i < num_channels )
{
printf("%x",min(0xf,values[i]&0xf));
++i;
}
printf("\n\r");
}
int
_usleep(useconds_t useconds)
{
struct pthread *curthread = _get_curthread();
unsigned int ret;
_thr_cancel_enter(curthread);
ret = __usleep(useconds);
_thr_cancel_leave(curthread, 1);
return (ret);
}
/*
* msleep()
* Like sleep, but milliseconds
*/
__msleep(uint msecs)
{
return(__usleep(msecs * 1000));
}
