/**
* Create a Dictionary based on a Hashtable.
*
* @param profiling[in] Activate the profiling mode
* @return Pointer to the new Dictionary structure
*/
Dictionary *mr_dictionary_create(bool profiling) {
int i;
Dictionary *dico = malloc(sizeof(Dictionary));
assert(dico != NULL);
/* Initialize variables for profiling */
dico->profiling = profiling;
_timer_init(&dico->timer_put, dico->profiling);
dico->hash_size = HASH_SIZE;
dico->hash_tab = malloc(dico->hash_size*sizeof(Bucket));
assert(dico->hash_tab != NULL);
/* Set to null first Word pointers in all buckets */
for (i=0; i<dico->hash_size; i++){
Bucket *b = &dico->hash_tab[i];
b->word = NULL;
#if MAPREDUCE_USE_BUFFALLOC
b->buffalloc = NULL;
#endif
}
return dico;
}
// Create a scheduler structure and initialize hardware
static inline void _sch_timers_init(uint8_t timer_id) {
// Initialize internal structures
_sch_timers[timer_id] = calloc(HW_TIMER_MR_AMOUNT, sizeof(timer_sch_t));
if (_sch_timers[timer_id] == NULL) Show_Error();
// Initilize hardware - the timers used for scheduling have an offset.
_timer_init(timer_id);
}
// Delays in microseconds using the fast timer
void Delay_us(unsigned int us) {
if (! _fast_timer_init) {
_timer_init(FAST_TIMER);
_fast_timer_init = 1;
}
uint32_t cur_us = _timers[FAST_TIMER]->TC;
while ((_timers[FAST_TIMER]->TC - cur_us) < us);
}
void init(void){
_usart_init();
_timer_init();
DDRB |= (1<<PB0)|(1<<PB1)|(1<<PB2)|(1<<PB3)|(1<<PB4)|(1<<PB5)|(1<<PB6)|(1<<PB7); // Ausgänge für die Relais
sei();
}
/*
* handle ioctl requests
*/
int
PWMIN::ioctl(struct file *filp, int cmd, unsigned long arg)
{
switch (cmd) {
case SENSORIOCSQUEUEDEPTH: {
/* lower bound is mandatory, upper bound is a sanity check */
if ((arg < 1) || (arg > 500)) {
return -EINVAL;
}
irqstate_t flags = px4_enter_critical_section();
if (!_reports->resize(arg)) {
px4_leave_critical_section(flags);
return -ENOMEM;
}
px4_leave_critical_section(flags);
return OK;
}
case SENSORIOCGQUEUEDEPTH:
return _reports->size();
case SENSORIOCRESET:
/* user has asked for the timer to be reset. This may
* be needed if the pin was used for a different
* purpose (such as PWM output) */
_timer_init();
/* also reset the sensor */
hard_reset();
return OK;
default:
/* give it to the superclass */
return CDev::ioctl(filp, cmd, arg);
}
}