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-rw-r--r--nuttx/configs/px4io/include/up_hrt.h129
1 files changed, 0 insertions, 129 deletions
diff --git a/nuttx/configs/px4io/include/up_hrt.h b/nuttx/configs/px4io/include/up_hrt.h
deleted file mode 100644
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--- a/nuttx/configs/px4io/include/up_hrt.h
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-/****************************************************************************
- *
- * Copyright (C) 2012 PX4 Development Team. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name PX4 nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/**
- * @file High-resolution timer callouts and timekeeping.
- */
-
-#ifndef UP_HRT_H_
-#define UP_HRT_H_
-
-#include <sys/types.h>
-#include <stdbool.h>
-
-#include <time.h>
-#include <queue.h>
-
-/*
- * Absolute time, in microsecond units.
- *
- * Absolute time is measured from some arbitrary epoch shortly after
- * system startup. It should never wrap or go backwards.
- */
-typedef uint64_t hrt_abstime;
-
-/*
- * Callout function type.
- *
- * Note that callouts run in the timer interrupt context, so
- * they are serialised with respect to each other, and must not
- * block.
- */
-typedef void (* hrt_callout)(void *arg);
-
-/*
- * Callout record.
- */
-struct hrt_call {
- struct sq_entry_s link;
-
- hrt_abstime deadline;
- hrt_abstime period;
- hrt_callout callout;
- void *arg;
-};
-
-/*
- * Get absolute time.
- */
-extern hrt_abstime hrt_absolute_time(void);
-
-/*
- * Convert a timespec to absolute time.
- */
-extern hrt_abstime ts_to_abstime(struct timespec *ts);
-
-/*
- * Convert absolute time to a timespec.
- */
-extern void abstime_to_ts(struct timespec *ts, hrt_abstime abstime);
-
-/*
- * Call callout(arg) after delay has elapsed.
- *
- * If callout is NULL, this can be used to implement a timeout by testing the call
- * with hrt_called().
- */
-extern void hrt_call_after(struct hrt_call *entry, hrt_abstime delay, hrt_callout callout, void *arg);
-
-/*
- * Call callout(arg) at absolute time calltime.
- */
-extern void hrt_call_at(struct hrt_call *entry, hrt_abstime calltime, hrt_callout callout, void *arg);
-
-/*
- * Call callout(arg) after delay, and then after every interval.
- *
- * Note thet the interval is timed between scheduled, not actual, call times, so the call rate may
- * jitter but should not drift.
- */
-extern void hrt_call_every(struct hrt_call *entry, hrt_abstime delay, hrt_abstime interval, hrt_callout callout, void *arg);
-
-/*
- * If this returns true, the entry has been invoked and removed from the callout list.
- *
- * Always returns false for repeating callouts.
- */
-extern bool hrt_called(struct hrt_call *entry);
-
-/*
- * Remove the entry from the callout list.
- */
-extern void hrt_cancel(struct hrt_call *entry);
-
-/*
- * Initialise the HRT.
- */
-extern void hrt_init(int timer);
-
-#endif /* UP_HRT_H_ */