mbed-rtos // fixed error.h
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Diff: rtx_ca/rt_Timer.c
- Revision:
- 49:77c8e4604045
- Parent:
- 48:e9a2c7cb57a4
- Child:
- 50:64a5202c3676
--- a/rtx_ca/rt_Timer.c Thu Nov 06 11:00:33 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,129 +0,0 @@ -/*---------------------------------------------------------------------------- - * RL-ARM - RTX - *---------------------------------------------------------------------------- - * Name: RT_TIMER.C - * Purpose: User timer functions - * Rev.: V4.60 - *---------------------------------------------------------------------------- - * - * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH - * All rights reserved. - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - 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. - * - Neither the name of ARM 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 COPYRIGHT HOLDERS AND 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. - *---------------------------------------------------------------------------*/ - -#include "rt_TypeDef.h" -#include "RTX_Config.h" -#include "rt_Timer.h" -#include "rt_MemBox.h" - - -/*---------------------------------------------------------------------------- - * Global Variables - *---------------------------------------------------------------------------*/ - -/* User Timer list pointer */ -struct OS_XTMR os_tmr; - -/*---------------------------------------------------------------------------- - * Functions - *---------------------------------------------------------------------------*/ - -/*--------------------------- rt_tmr_tick -----------------------------------*/ - -void rt_tmr_tick (void) { - /* Decrement delta count of timer list head. Timers having the value of */ - /* zero are removed from the list and the callback function is called. */ - P_TMR p; - - if (os_tmr.next == NULL) { - return; - } - os_tmr.tcnt--; - while (os_tmr.tcnt == 0 && (p = os_tmr.next) != NULL) { - /* Call a user provided function to handle an elapsed timer */ - os_tmr_call (p->info); - os_tmr.tcnt = p->tcnt; - os_tmr.next = p->next; - rt_free_box ((U32 *)m_tmr, p); - } -} - -/*--------------------------- rt_tmr_create ---------------------------------*/ - -OS_ID rt_tmr_create (U16 tcnt, U16 info) { - /* Create an user timer and put it into the chained timer list using */ - /* a timeout count value of "tcnt". User parameter "info" is used as a */ - /* parameter for the user provided callback function "os_tmr_call ()". */ - P_TMR p_tmr, p; - U32 delta,itcnt = tcnt; - - if (tcnt == 0 || m_tmr == NULL) { - return (NULL); - } - p_tmr = rt_alloc_box ((U32 *)m_tmr); - if (!p_tmr) { - return (NULL); - } - p_tmr->info = info; - p = (P_TMR)&os_tmr; - delta = p->tcnt; - while (delta < itcnt && p->next != NULL) { - p = p->next; - delta += p->tcnt; - } - /* Right place found, insert timer into the list */ - p_tmr->next = p->next; - p_tmr->tcnt = (U16)(delta - itcnt); - p->next = p_tmr; - p->tcnt -= p_tmr->tcnt; - return (p_tmr); -} - -/*--------------------------- rt_tmr_kill -----------------------------------*/ - -OS_ID rt_tmr_kill (OS_ID timer) { - /* Remove user timer from the chained timer list. */ - P_TMR p, p_tmr; - - p_tmr = (P_TMR)timer; - p = (P_TMR)&os_tmr; - /* Search timer list for requested timer */ - while (p->next != p_tmr) { - if (p->next == NULL) { - /* Failed, "timer" is not in the timer list */ - return (p_tmr); - } - p = p->next; - } - /* Timer was found, remove it from the list */ - p->next = p_tmr->next; - p->tcnt += p_tmr->tcnt; - rt_free_box ((U32 *)m_tmr, p_tmr); - /* Timer killed */ - return (NULL); -} - -/*---------------------------------------------------------------------------- - * end of file - *---------------------------------------------------------------------------*/