36372 mbed / Mbed 2 deprecated SP14P1_skeleton

skeleton for lab1

Dependencies:   AvailableMemory mbed-rtos mbed

Fork of helloaabbc by 32314 mbed

mbed-rtos/rtx/rt_Time.c@0:1c8f2727e9f5, 2014-04-03 (annotated)

Committer:
y7jin
Date:
Thu Apr 03 22:56:32 2014 +0000
Revision:
0:1c8f2727e9f5
hello

Who changed what in which revision?

UserRevisionLine numberNew contents of line
y7jin 0:1c8f2727e9f5 1 /*----------------------------------------------------------------------------
y7jin 0:1c8f2727e9f5 2 * RL-ARM - RTX
y7jin 0:1c8f2727e9f5 3 *----------------------------------------------------------------------------
y7jin 0:1c8f2727e9f5 4 * Name: RT_TIME.C
y7jin 0:1c8f2727e9f5 5 * Purpose: Delay and interval wait functions
y7jin 0:1c8f2727e9f5 6 * Rev.: V4.60
y7jin 0:1c8f2727e9f5 7 *----------------------------------------------------------------------------
y7jin 0:1c8f2727e9f5 8 *
y7jin 0:1c8f2727e9f5 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
y7jin 0:1c8f2727e9f5 10 * All rights reserved.
y7jin 0:1c8f2727e9f5 11 * Redistribution and use in source and binary forms, with or without
y7jin 0:1c8f2727e9f5 12 * modification, are permitted provided that the following conditions are met:
y7jin 0:1c8f2727e9f5 13 * - Redistributions of source code must retain the above copyright
y7jin 0:1c8f2727e9f5 14 * notice, this list of conditions and the following disclaimer.
y7jin 0:1c8f2727e9f5 15 * - Redistributions in binary form must reproduce the above copyright
y7jin 0:1c8f2727e9f5 16 * notice, this list of conditions and the following disclaimer in the
y7jin 0:1c8f2727e9f5 17 * documentation and/or other materials provided with the distribution.
y7jin 0:1c8f2727e9f5 18 * - Neither the name of ARM nor the names of its contributors may be used
y7jin 0:1c8f2727e9f5 19 * to endorse or promote products derived from this software without
y7jin 0:1c8f2727e9f5 20 * specific prior written permission.
y7jin 0:1c8f2727e9f5 21 *
y7jin 0:1c8f2727e9f5 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
y7jin 0:1c8f2727e9f5 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
y7jin 0:1c8f2727e9f5 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
y7jin 0:1c8f2727e9f5 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
y7jin 0:1c8f2727e9f5 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
y7jin 0:1c8f2727e9f5 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
y7jin 0:1c8f2727e9f5 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
y7jin 0:1c8f2727e9f5 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
y7jin 0:1c8f2727e9f5 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
y7jin 0:1c8f2727e9f5 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
y7jin 0:1c8f2727e9f5 32 * POSSIBILITY OF SUCH DAMAGE.
y7jin 0:1c8f2727e9f5 33 *---------------------------------------------------------------------------*/
y7jin 0:1c8f2727e9f5 34
y7jin 0:1c8f2727e9f5 35 #include "rt_TypeDef.h"
y7jin 0:1c8f2727e9f5 36 #include "RTX_Config.h"
y7jin 0:1c8f2727e9f5 37 #include "rt_Task.h"
y7jin 0:1c8f2727e9f5 38 #include "rt_Time.h"
y7jin 0:1c8f2727e9f5 39
y7jin 0:1c8f2727e9f5 40 /*----------------------------------------------------------------------------
y7jin 0:1c8f2727e9f5 41 * Global Variables
y7jin 0:1c8f2727e9f5 42 *---------------------------------------------------------------------------*/
y7jin 0:1c8f2727e9f5 43
y7jin 0:1c8f2727e9f5 44 /* Free running system tick counter */
y7jin 0:1c8f2727e9f5 45 U32 os_time;
y7jin 0:1c8f2727e9f5 46
y7jin 0:1c8f2727e9f5 47
y7jin 0:1c8f2727e9f5 48 /*----------------------------------------------------------------------------
y7jin 0:1c8f2727e9f5 49 * Functions
y7jin 0:1c8f2727e9f5 50 *---------------------------------------------------------------------------*/
y7jin 0:1c8f2727e9f5 51
y7jin 0:1c8f2727e9f5 52
y7jin 0:1c8f2727e9f5 53 /*--------------------------- rt_time_get -----------------------------------*/
y7jin 0:1c8f2727e9f5 54
y7jin 0:1c8f2727e9f5 55 U32 rt_time_get (void) {
y7jin 0:1c8f2727e9f5 56 /* Get system time tick */
y7jin 0:1c8f2727e9f5 57 return (os_time);
y7jin 0:1c8f2727e9f5 58 }
y7jin 0:1c8f2727e9f5 59
y7jin 0:1c8f2727e9f5 60
y7jin 0:1c8f2727e9f5 61 /*--------------------------- rt_dly_wait -----------------------------------*/
y7jin 0:1c8f2727e9f5 62
y7jin 0:1c8f2727e9f5 63 void rt_dly_wait (U16 delay_time) {
y7jin 0:1c8f2727e9f5 64 /* Delay task by "delay_time" */
y7jin 0:1c8f2727e9f5 65 rt_block (delay_time, WAIT_DLY);
y7jin 0:1c8f2727e9f5 66 }
y7jin 0:1c8f2727e9f5 67
y7jin 0:1c8f2727e9f5 68
y7jin 0:1c8f2727e9f5 69 /*--------------------------- rt_itv_set ------------------------------------*/
y7jin 0:1c8f2727e9f5 70
y7jin 0:1c8f2727e9f5 71 void rt_itv_set (U16 interval_time) {
y7jin 0:1c8f2727e9f5 72 /* Set interval length and define start of first interval */
y7jin 0:1c8f2727e9f5 73 os_tsk.run->interval_time = interval_time;
y7jin 0:1c8f2727e9f5 74 os_tsk.run->delta_time = interval_time + (U16)os_time;
y7jin 0:1c8f2727e9f5 75 }
y7jin 0:1c8f2727e9f5 76
y7jin 0:1c8f2727e9f5 77
y7jin 0:1c8f2727e9f5 78 /*--------------------------- rt_itv_wait -----------------------------------*/
y7jin 0:1c8f2727e9f5 79
y7jin 0:1c8f2727e9f5 80 void rt_itv_wait (void) {
y7jin 0:1c8f2727e9f5 81 /* Wait for interval end and define start of next one */
y7jin 0:1c8f2727e9f5 82 U16 delta;
y7jin 0:1c8f2727e9f5 83
y7jin 0:1c8f2727e9f5 84 delta = os_tsk.run->delta_time - (U16)os_time;
y7jin 0:1c8f2727e9f5 85 os_tsk.run->delta_time += os_tsk.run->interval_time;
y7jin 0:1c8f2727e9f5 86 if ((delta & 0x8000) == 0) {
y7jin 0:1c8f2727e9f5 87 rt_block (delta, WAIT_ITV);
y7jin 0:1c8f2727e9f5 88 }
y7jin 0:1c8f2727e9f5 89 }
y7jin 0:1c8f2727e9f5 90
y7jin 0:1c8f2727e9f5 91 /*----------------------------------------------------------------------------
y7jin 0:1c8f2727e9f5 92 * end of file
y7jin 0:1c8f2727e9f5 93 *---------------------------------------------------------------------------*/
y7jin 0:1c8f2727e9f5 94