Steve Karg
d50c190957
* moving folders and files and adjust server demo build * Fix Makefile for apps/server on Linux * fix unit test source file folders * fix datetime convert UTC functions. Add Code::Blocks project for datetime testing * added some ignore extensions * disable parallel make option * fix build for abort, dcc, and epics apps * fix build for dcc, epics, error, and getevent apps. * Fixed building of all apps * fix the ipv4 to ipv6 router app build * Change indent style from Google to Webkit * make pretty to re-format style * removed common Makefile since we already had one and two was too many * remove scripts from root folder that are no longer maintained or used * remove mercurial EOL and ignore files for git repo * remove .vscodeconfig files from repo * tweak clang-format style * clang-format src and apps with tweaked style * added clang-tidy to fix readability if braces in src * result of make tidy for src and apps * fix clang-tidy mangling * Added code::blocks project for BACnet server simulation * added code::blocks linux project for WhoIs app * update text files for EOL * fix EOL in some files * fixed make win32 apps for older gcc * Removed Borland C++ Makefile in apps. Unable to maintain support for Borland C++ compiler. * created codeblocks project for apps/epics for Windows * fixing ports/xplained to work with new data structure. * fix ports/xplained example for Atmel Studio compile * fix ports/stm32f10x example for gcc Makefile compile * fix ports/stm32f10x example for IAR EWARM compile * fix ports/xplained timer callback * fix ports/bdk_atxx_mspt build with subdirs * fix ports/bdk_atxx_mspt build with subdirs * updated git ignore for IAR build artifacts * updated gitignore for non-tracked files and folders * fixed bdk-atxx4-mstp port for Rowley Crossworks project file * fixed bdk-atxx4-mstp port for GCC AVR Makefile * fixed atmega168 port for IAR AVR and GCC AVR Makefile * fixed at91sam7s port for IAR ARM and GCC ARM Makefile * removed unmaintainable DOS, RTOS32, and atmega8 ports. Updated rx62n (untested). * changed arm7 to uip port
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
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* Multimedia Timer contribution by Cameron Crothers, 2008
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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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*********************************************************************/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <time.h>
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#include "bacport.h"
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#include "bacnet/basic/sys/mstimer.h"
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/* counter for the various timers */
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static volatile unsigned long Millisecond_Counter;
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/* Windows timer period - in milliseconds */
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static unsigned long Timer_Period = 1;
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/**
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* @brief returns the current millisecond count
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* @return millisecond counter
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*/
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unsigned long mstimer_now(void)
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{
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unsigned long now = timeGetTime();
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unsigned long delta_time = 0;
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if (Millisecond_Counter <= now) {
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delta_time = now - Millisecond_Counter;
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} else {
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delta_time = (ULONG_MAX - Millisecond_Counter) + now + 1;
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}
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return delta_time;
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}
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/**
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* @brief Shut down for timer
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*/
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static void timer_cleanup(
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void)
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{
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timeEndPeriod(Timer_Period);
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}
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/**
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* @brief Initialization for timer
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*/
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void mstimer_init(void)
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{
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TIMECAPS tc;
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/* set timer resolution */
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if (timeGetDevCaps(&tc, sizeof(TIMECAPS)) != TIMERR_NOERROR) {
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fprintf(stderr, "Failed to get timer resolution parameters\n");
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}
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/* configure for 1ms resolution - if possible */
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Timer_Period = min(max(tc.wPeriodMin, 1L), tc.wPeriodMax);
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if (Timer_Period != 1L) {
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fprintf(stderr,
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"Failed to set timer to 1ms. " "Time period set to %ums\n",
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(unsigned) Timer_Period);
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}
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timeBeginPeriod(Timer_Period);
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atexit(timer_cleanup);
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}
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