mirror of
https://github.com/stargieg/bacnet-stack
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116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*********************************************************************/
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#ifndef TIMER_H
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#define TIMER_H
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#include <stdbool.h>
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#include <stdint.h>
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/* Timer Module */
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/* elapsed timer structure */
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struct etimer {
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uint32_t start;
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};
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/* interval timer structure */
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struct itimer {
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uint32_t start;
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uint32_t interval;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* these 3 functions are created in the hardware specific module */
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void timer_init(
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void);
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uint32_t timer_milliseconds(
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void);
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uint8_t timer_milliseconds_byte(
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void);
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/* these functions are in the generic timer.c module */
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/* elapsed timer */
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void timer_elapsed_start(
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struct etimer *t);
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void timer_elapsed_start_offset(
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struct etimer *t,
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uint32_t offset);
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uint32_t timer_elapsed_time(
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struct etimer *t);
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bool timer_elapsed_milliseconds(
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struct etimer *t,
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uint32_t value);
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bool timer_elapsed_seconds(
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struct etimer *t,
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uint32_t value);
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bool timer_elapsed_minutes(
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struct etimer *t,
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uint32_t value);
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bool timer_elapsed_milliseconds_short(
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struct etimer *t,
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uint16_t value);
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bool timer_elapsed_seconds_short(
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struct etimer *t,
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uint16_t value);
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bool timer_elapsed_minutes_short(
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struct etimer *t,
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uint16_t value);
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/* interval timer */
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void timer_interval_start(
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struct itimer *t,
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uint32_t interval);
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void timer_interval_start_seconds(
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struct itimer *t,
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uint32_t interval);
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void timer_interval_start_minutes(
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struct itimer *t,
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uint32_t interval);
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bool timer_interval_expired(
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struct itimer *t);
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uint32_t timer_interval(
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struct itimer *t);
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uint32_t timer_interval_elapsed(
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struct itimer *t);
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void timer_interval_no_expire(
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struct itimer *t);
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void timer_interval_reset(
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struct itimer *t);
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void timer_interval_restart(
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struct itimer *t);
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/* special for 8-bit microcontrollers - limited to 255ms */
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uint8_t timer_milliseconds_delta(
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uint8_t start);
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uint8_t timer_milliseconds_mark(
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void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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