Hiruka Hana / Gyro_Accelerometre

Programme gyro_accelero avec acquisition accelero + calcul téta

Dependents:   Gyro_Accelerometre2

rtx/TARGET_ARM7/rt_Time.c@0:07281ea3b26b, 2018-02-20 (annotated)

Committer:
SandrineO
Date:
Tue Feb 20 15:58:26 2018 +0000
Revision:
0:07281ea3b26b
temps r?el

Who changed what in which revision?

UserRevisionLine numberNew contents of line
SandrineO 0:07281ea3b26b 1 /*----------------------------------------------------------------------------
SandrineO 0:07281ea3b26b 2 * RL-ARM - RTX
SandrineO 0:07281ea3b26b 3 *----------------------------------------------------------------------------
SandrineO 0:07281ea3b26b 4 * Name: RT_TIME.C
SandrineO 0:07281ea3b26b 5 * Purpose: Delay and interval wait functions
SandrineO 0:07281ea3b26b 6 * Rev.: V4.60
SandrineO 0:07281ea3b26b 7 *----------------------------------------------------------------------------
SandrineO 0:07281ea3b26b 8 *
SandrineO 0:07281ea3b26b 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
SandrineO 0:07281ea3b26b 10 * All rights reserved.
SandrineO 0:07281ea3b26b 11 * Redistribution and use in source and binary forms, with or without
SandrineO 0:07281ea3b26b 12 * modification, are permitted provided that the following conditions are met:
SandrineO 0:07281ea3b26b 13 * - Redistributions of source code must retain the above copyright
SandrineO 0:07281ea3b26b 14 * notice, this list of conditions and the following disclaimer.
SandrineO 0:07281ea3b26b 15 * - Redistributions in binary form must reproduce the above copyright
SandrineO 0:07281ea3b26b 16 * notice, this list of conditions and the following disclaimer in the
SandrineO 0:07281ea3b26b 17 * documentation and/or other materials provided with the distribution.
SandrineO 0:07281ea3b26b 18 * - Neither the name of ARM nor the names of its contributors may be used
SandrineO 0:07281ea3b26b 19 * to endorse or promote products derived from this software without
SandrineO 0:07281ea3b26b 20 * specific prior written permission.
SandrineO 0:07281ea3b26b 21 *
SandrineO 0:07281ea3b26b 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
SandrineO 0:07281ea3b26b 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
SandrineO 0:07281ea3b26b 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
SandrineO 0:07281ea3b26b 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
SandrineO 0:07281ea3b26b 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
SandrineO 0:07281ea3b26b 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SandrineO 0:07281ea3b26b 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
SandrineO 0:07281ea3b26b 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
SandrineO 0:07281ea3b26b 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
SandrineO 0:07281ea3b26b 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
SandrineO 0:07281ea3b26b 32 * POSSIBILITY OF SUCH DAMAGE.
SandrineO 0:07281ea3b26b 33 *---------------------------------------------------------------------------*/
SandrineO 0:07281ea3b26b 34
SandrineO 0:07281ea3b26b 35 #include "rt_TypeDef.h"
SandrineO 0:07281ea3b26b 36 #include "RTX_Conf.h"
SandrineO 0:07281ea3b26b 37 #include "rt_Task.h"
SandrineO 0:07281ea3b26b 38 #include "rt_Time.h"
SandrineO 0:07281ea3b26b 39
SandrineO 0:07281ea3b26b 40 /*----------------------------------------------------------------------------
SandrineO 0:07281ea3b26b 41 * Global Variables
SandrineO 0:07281ea3b26b 42 *---------------------------------------------------------------------------*/
SandrineO 0:07281ea3b26b 43
SandrineO 0:07281ea3b26b 44 /* Free running system tick counter */
SandrineO 0:07281ea3b26b 45 U32 os_time;
SandrineO 0:07281ea3b26b 46
SandrineO 0:07281ea3b26b 47
SandrineO 0:07281ea3b26b 48 /*----------------------------------------------------------------------------
SandrineO 0:07281ea3b26b 49 * Functions
SandrineO 0:07281ea3b26b 50 *---------------------------------------------------------------------------*/
SandrineO 0:07281ea3b26b 51
SandrineO 0:07281ea3b26b 52
SandrineO 0:07281ea3b26b 53 /*--------------------------- rt_time_get -----------------------------------*/
SandrineO 0:07281ea3b26b 54
SandrineO 0:07281ea3b26b 55 U32 rt_time_get (void) {
SandrineO 0:07281ea3b26b 56 /* Get system time tick */
SandrineO 0:07281ea3b26b 57 return (os_time);
SandrineO 0:07281ea3b26b 58 }
SandrineO 0:07281ea3b26b 59
SandrineO 0:07281ea3b26b 60
SandrineO 0:07281ea3b26b 61 /*--------------------------- rt_dly_wait -----------------------------------*/
SandrineO 0:07281ea3b26b 62
SandrineO 0:07281ea3b26b 63 void rt_dly_wait (U16 delay_time) {
SandrineO 0:07281ea3b26b 64 /* Delay task by "delay_time" */
SandrineO 0:07281ea3b26b 65 rt_block (delay_time, WAIT_DLY);
SandrineO 0:07281ea3b26b 66 }
SandrineO 0:07281ea3b26b 67
SandrineO 0:07281ea3b26b 68
SandrineO 0:07281ea3b26b 69 /*--------------------------- rt_itv_set ------------------------------------*/
SandrineO 0:07281ea3b26b 70
SandrineO 0:07281ea3b26b 71 void rt_itv_set (U16 interval_time) {
SandrineO 0:07281ea3b26b 72 /* Set interval length and define start of first interval */
SandrineO 0:07281ea3b26b 73 os_tsk.run->interval_time = interval_time;
SandrineO 0:07281ea3b26b 74 os_tsk.run->delta_time = interval_time + (U16)os_time;
SandrineO 0:07281ea3b26b 75 }
SandrineO 0:07281ea3b26b 76
SandrineO 0:07281ea3b26b 77
SandrineO 0:07281ea3b26b 78 /*--------------------------- rt_itv_wait -----------------------------------*/
SandrineO 0:07281ea3b26b 79
SandrineO 0:07281ea3b26b 80 void rt_itv_wait (void) {
SandrineO 0:07281ea3b26b 81 /* Wait for interval end and define start of next one */
SandrineO 0:07281ea3b26b 82 U16 delta;
SandrineO 0:07281ea3b26b 83
SandrineO 0:07281ea3b26b 84 delta = os_tsk.run->delta_time - (U16)os_time;
SandrineO 0:07281ea3b26b 85 os_tsk.run->delta_time += os_tsk.run->interval_time;
SandrineO 0:07281ea3b26b 86 if ((delta & 0x8000) == 0) {
SandrineO 0:07281ea3b26b 87 rt_block (delta, WAIT_ITV);
SandrineO 0:07281ea3b26b 88 }
SandrineO 0:07281ea3b26b 89 }
SandrineO 0:07281ea3b26b 90
SandrineO 0:07281ea3b26b 91 /*----------------------------------------------------------------------------
SandrineO 0:07281ea3b26b 92 * end of file
SandrineO 0:07281ea3b26b 93 *---------------------------------------------------------------------------*/
SandrineO 0:07281ea3b26b 94