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Dependents:   Mecatro_Filtre

rtx/TARGET_ARM7/rt_Time.c@0:4a2c9c1f5b9e, 2021-03-15 (annotated)

Committer:
mecatro_prod
Date:
Mon Mar 15 14:18:11 2021 +0000
Revision:
0:4a2c9c1f5b9e
Pas de changement

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mecatro_prod 0:4a2c9c1f5b9e 1 /*----------------------------------------------------------------------------
mecatro_prod 0:4a2c9c1f5b9e 2 * RL-ARM - RTX
mecatro_prod 0:4a2c9c1f5b9e 3 *----------------------------------------------------------------------------
mecatro_prod 0:4a2c9c1f5b9e 4 * Name: RT_TIME.C
mecatro_prod 0:4a2c9c1f5b9e 5 * Purpose: Delay and interval wait functions
mecatro_prod 0:4a2c9c1f5b9e 6 * Rev.: V4.60
mecatro_prod 0:4a2c9c1f5b9e 7 *----------------------------------------------------------------------------
mecatro_prod 0:4a2c9c1f5b9e 8 *
mecatro_prod 0:4a2c9c1f5b9e 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
mecatro_prod 0:4a2c9c1f5b9e 10 * All rights reserved.
mecatro_prod 0:4a2c9c1f5b9e 11 * Redistribution and use in source and binary forms, with or without
mecatro_prod 0:4a2c9c1f5b9e 12 * modification, are permitted provided that the following conditions are met:
mecatro_prod 0:4a2c9c1f5b9e 13 * - Redistributions of source code must retain the above copyright
mecatro_prod 0:4a2c9c1f5b9e 14 * notice, this list of conditions and the following disclaimer.
mecatro_prod 0:4a2c9c1f5b9e 15 * - Redistributions in binary form must reproduce the above copyright
mecatro_prod 0:4a2c9c1f5b9e 16 * notice, this list of conditions and the following disclaimer in the
mecatro_prod 0:4a2c9c1f5b9e 17 * documentation and/or other materials provided with the distribution.
mecatro_prod 0:4a2c9c1f5b9e 18 * - Neither the name of ARM nor the names of its contributors may be used
mecatro_prod 0:4a2c9c1f5b9e 19 * to endorse or promote products derived from this software without
mecatro_prod 0:4a2c9c1f5b9e 20 * specific prior written permission.
mecatro_prod 0:4a2c9c1f5b9e 21 *
mecatro_prod 0:4a2c9c1f5b9e 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mecatro_prod 0:4a2c9c1f5b9e 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mecatro_prod 0:4a2c9c1f5b9e 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mecatro_prod 0:4a2c9c1f5b9e 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mecatro_prod 0:4a2c9c1f5b9e 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mecatro_prod 0:4a2c9c1f5b9e 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mecatro_prod 0:4a2c9c1f5b9e 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mecatro_prod 0:4a2c9c1f5b9e 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mecatro_prod 0:4a2c9c1f5b9e 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mecatro_prod 0:4a2c9c1f5b9e 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mecatro_prod 0:4a2c9c1f5b9e 32 * POSSIBILITY OF SUCH DAMAGE.
mecatro_prod 0:4a2c9c1f5b9e 33 *---------------------------------------------------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 34
mecatro_prod 0:4a2c9c1f5b9e 35 #include "rt_TypeDef.h"
mecatro_prod 0:4a2c9c1f5b9e 36 #include "RTX_Conf.h"
mecatro_prod 0:4a2c9c1f5b9e 37 #include "rt_Task.h"
mecatro_prod 0:4a2c9c1f5b9e 38 #include "rt_Time.h"
mecatro_prod 0:4a2c9c1f5b9e 39
mecatro_prod 0:4a2c9c1f5b9e 40 /*----------------------------------------------------------------------------
mecatro_prod 0:4a2c9c1f5b9e 41 * Global Variables
mecatro_prod 0:4a2c9c1f5b9e 42 *---------------------------------------------------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 43
mecatro_prod 0:4a2c9c1f5b9e 44 /* Free running system tick counter */
mecatro_prod 0:4a2c9c1f5b9e 45 U32 os_time;
mecatro_prod 0:4a2c9c1f5b9e 46
mecatro_prod 0:4a2c9c1f5b9e 47
mecatro_prod 0:4a2c9c1f5b9e 48 /*----------------------------------------------------------------------------
mecatro_prod 0:4a2c9c1f5b9e 49 * Functions
mecatro_prod 0:4a2c9c1f5b9e 50 *---------------------------------------------------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 51
mecatro_prod 0:4a2c9c1f5b9e 52
mecatro_prod 0:4a2c9c1f5b9e 53 /*--------------------------- rt_time_get -----------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 54
mecatro_prod 0:4a2c9c1f5b9e 55 U32 rt_time_get (void) {
mecatro_prod 0:4a2c9c1f5b9e 56 /* Get system time tick */
mecatro_prod 0:4a2c9c1f5b9e 57 return (os_time);
mecatro_prod 0:4a2c9c1f5b9e 58 }
mecatro_prod 0:4a2c9c1f5b9e 59
mecatro_prod 0:4a2c9c1f5b9e 60
mecatro_prod 0:4a2c9c1f5b9e 61 /*--------------------------- rt_dly_wait -----------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 62
mecatro_prod 0:4a2c9c1f5b9e 63 void rt_dly_wait (U16 delay_time) {
mecatro_prod 0:4a2c9c1f5b9e 64 /* Delay task by "delay_time" */
mecatro_prod 0:4a2c9c1f5b9e 65 rt_block (delay_time, WAIT_DLY);
mecatro_prod 0:4a2c9c1f5b9e 66 }
mecatro_prod 0:4a2c9c1f5b9e 67
mecatro_prod 0:4a2c9c1f5b9e 68
mecatro_prod 0:4a2c9c1f5b9e 69 /*--------------------------- rt_itv_set ------------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 70
mecatro_prod 0:4a2c9c1f5b9e 71 void rt_itv_set (U16 interval_time) {
mecatro_prod 0:4a2c9c1f5b9e 72 /* Set interval length and define start of first interval */
mecatro_prod 0:4a2c9c1f5b9e 73 os_tsk.run->interval_time = interval_time;
mecatro_prod 0:4a2c9c1f5b9e 74 os_tsk.run->delta_time = interval_time + (U16)os_time;
mecatro_prod 0:4a2c9c1f5b9e 75 }
mecatro_prod 0:4a2c9c1f5b9e 76
mecatro_prod 0:4a2c9c1f5b9e 77
mecatro_prod 0:4a2c9c1f5b9e 78 /*--------------------------- rt_itv_wait -----------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 79
mecatro_prod 0:4a2c9c1f5b9e 80 void rt_itv_wait (void) {
mecatro_prod 0:4a2c9c1f5b9e 81 /* Wait for interval end and define start of next one */
mecatro_prod 0:4a2c9c1f5b9e 82 U16 delta;
mecatro_prod 0:4a2c9c1f5b9e 83
mecatro_prod 0:4a2c9c1f5b9e 84 delta = os_tsk.run->delta_time - (U16)os_time;
mecatro_prod 0:4a2c9c1f5b9e 85 os_tsk.run->delta_time += os_tsk.run->interval_time;
mecatro_prod 0:4a2c9c1f5b9e 86 if ((delta & 0x8000) == 0) {
mecatro_prod 0:4a2c9c1f5b9e 87 rt_block (delta, WAIT_ITV);
mecatro_prod 0:4a2c9c1f5b9e 88 }
mecatro_prod 0:4a2c9c1f5b9e 89 }
mecatro_prod 0:4a2c9c1f5b9e 90
mecatro_prod 0:4a2c9c1f5b9e 91 /*----------------------------------------------------------------------------
mecatro_prod 0:4a2c9c1f5b9e 92 * end of file
mecatro_prod 0:4a2c9c1f5b9e 93 *---------------------------------------------------------------------------*/
mecatro_prod 0:4a2c9c1f5b9e 94