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RIOT/pkg/uwb-core/dpl/dpl_callout.c
2020-11-12 12:54:54 +01:00

59 lines
1.3 KiB
C

/*
* Copyright (C) 2020 Inria
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup pkg_uwb_core
* @{
*
* @file
* @brief uwb-core DPL (Decawave Porting Layer) callout
*
* @author Francisco Molina <francois-xavier.molina@inria.fr>
* @}
*/
#include <assert.h>
#include "xtimer.h"
#include "dpl/dpl_callout.h"
static void _dpl_callout_timer_cb(void* arg)
{
struct dpl_callout *c = (struct dpl_callout *) arg;
assert(c);
/* post the event if there is a queue, otherwise call the callback
here */
if (c->c_q) {
dpl_eventq_put(c->c_q, &c->c_e);
} else {
c->c_e.e.callback(&c->c_e);
}
}
void dpl_callout_init(struct dpl_callout *c, struct dpl_eventq *q,
dpl_event_fn *e_cb, void *e_arg)
{
dpl_event_init(&c->c_e, e_cb, e_arg);
c->c_q = q;
c->timer.callback = _dpl_callout_timer_cb;
c->timer.arg = (void*) c;
}
dpl_error_t dpl_callout_reset(struct dpl_callout *c, dpl_time_t ticks)
{
xtimer_ticks32_t val = {.ticks32 = ticks};
xtimer_set(&(c->timer), xtimer_usec_from_ticks(val));
return DPL_OK;
}
void dpl_callout_stop(struct dpl_callout *c)
{
xtimer_remove(&(c->timer));
}