Shoaib Ahmed / Mbed 2 deprecated uzairkhan

Final 350 project

Dependencies:   uzair Camera_LS_Y201 F7_Ethernet LCD_DISCO_F746NG NetworkAPI SDFileSystem mbed

mbed-rtos/rtx/TARGET_ARM7/rt_Time.c@0:791a779d6220, 2017-07-31 (annotated)

Committer:
shoaib_ahmed
Date:
Mon Jul 31 09:16:35 2017 +0000
Revision:
0:791a779d6220
final project;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shoaib_ahmed 0:791a779d6220 1 /*----------------------------------------------------------------------------
shoaib_ahmed 0:791a779d6220 2 * RL-ARM - RTX
shoaib_ahmed 0:791a779d6220 3 *----------------------------------------------------------------------------
shoaib_ahmed 0:791a779d6220 4 * Name: RT_TIME.C
shoaib_ahmed 0:791a779d6220 5 * Purpose: Delay and interval wait functions
shoaib_ahmed 0:791a779d6220 6 * Rev.: V4.60
shoaib_ahmed 0:791a779d6220 7 *----------------------------------------------------------------------------
shoaib_ahmed 0:791a779d6220 8 *
shoaib_ahmed 0:791a779d6220 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
shoaib_ahmed 0:791a779d6220 10 * All rights reserved.
shoaib_ahmed 0:791a779d6220 11 * Redistribution and use in source and binary forms, with or without
shoaib_ahmed 0:791a779d6220 12 * modification, are permitted provided that the following conditions are met:
shoaib_ahmed 0:791a779d6220 13 * - Redistributions of source code must retain the above copyright
shoaib_ahmed 0:791a779d6220 14 * notice, this list of conditions and the following disclaimer.
shoaib_ahmed 0:791a779d6220 15 * - Redistributions in binary form must reproduce the above copyright
shoaib_ahmed 0:791a779d6220 16 * notice, this list of conditions and the following disclaimer in the
shoaib_ahmed 0:791a779d6220 17 * documentation and/or other materials provided with the distribution.
shoaib_ahmed 0:791a779d6220 18 * - Neither the name of ARM nor the names of its contributors may be used
shoaib_ahmed 0:791a779d6220 19 * to endorse or promote products derived from this software without
shoaib_ahmed 0:791a779d6220 20 * specific prior written permission.
shoaib_ahmed 0:791a779d6220 21 *
shoaib_ahmed 0:791a779d6220 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
shoaib_ahmed 0:791a779d6220 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
shoaib_ahmed 0:791a779d6220 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
shoaib_ahmed 0:791a779d6220 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
shoaib_ahmed 0:791a779d6220 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
shoaib_ahmed 0:791a779d6220 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
shoaib_ahmed 0:791a779d6220 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
shoaib_ahmed 0:791a779d6220 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
shoaib_ahmed 0:791a779d6220 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
shoaib_ahmed 0:791a779d6220 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
shoaib_ahmed 0:791a779d6220 32 * POSSIBILITY OF SUCH DAMAGE.
shoaib_ahmed 0:791a779d6220 33 *---------------------------------------------------------------------------*/
shoaib_ahmed 0:791a779d6220 34
shoaib_ahmed 0:791a779d6220 35 #include "rt_TypeDef.h"
shoaib_ahmed 0:791a779d6220 36 #include "RTX_Conf.h"
shoaib_ahmed 0:791a779d6220 37 #include "rt_Task.h"
shoaib_ahmed 0:791a779d6220 38 #include "rt_Time.h"
shoaib_ahmed 0:791a779d6220 39
shoaib_ahmed 0:791a779d6220 40 /*----------------------------------------------------------------------------
shoaib_ahmed 0:791a779d6220 41 * Global Variables
shoaib_ahmed 0:791a779d6220 42 *---------------------------------------------------------------------------*/
shoaib_ahmed 0:791a779d6220 43
shoaib_ahmed 0:791a779d6220 44 /* Free running system tick counter */
shoaib_ahmed 0:791a779d6220 45 U32 os_time;
shoaib_ahmed 0:791a779d6220 46
shoaib_ahmed 0:791a779d6220 47
shoaib_ahmed 0:791a779d6220 48 /*----------------------------------------------------------------------------
shoaib_ahmed 0:791a779d6220 49 * Functions
shoaib_ahmed 0:791a779d6220 50 *---------------------------------------------------------------------------*/
shoaib_ahmed 0:791a779d6220 51
shoaib_ahmed 0:791a779d6220 52
shoaib_ahmed 0:791a779d6220 53 /*--------------------------- rt_time_get -----------------------------------*/
shoaib_ahmed 0:791a779d6220 54
shoaib_ahmed 0:791a779d6220 55 U32 rt_time_get (void) {
shoaib_ahmed 0:791a779d6220 56 /* Get system time tick */
shoaib_ahmed 0:791a779d6220 57 return (os_time);
shoaib_ahmed 0:791a779d6220 58 }
shoaib_ahmed 0:791a779d6220 59
shoaib_ahmed 0:791a779d6220 60
shoaib_ahmed 0:791a779d6220 61 /*--------------------------- rt_dly_wait -----------------------------------*/
shoaib_ahmed 0:791a779d6220 62
shoaib_ahmed 0:791a779d6220 63 void rt_dly_wait (U16 delay_time) {
shoaib_ahmed 0:791a779d6220 64 /* Delay task by "delay_time" */
shoaib_ahmed 0:791a779d6220 65 rt_block (delay_time, WAIT_DLY);
shoaib_ahmed 0:791a779d6220 66 }
shoaib_ahmed 0:791a779d6220 67
shoaib_ahmed 0:791a779d6220 68
shoaib_ahmed 0:791a779d6220 69 /*--------------------------- rt_itv_set ------------------------------------*/
shoaib_ahmed 0:791a779d6220 70
shoaib_ahmed 0:791a779d6220 71 void rt_itv_set (U16 interval_time) {
shoaib_ahmed 0:791a779d6220 72 /* Set interval length and define start of first interval */
shoaib_ahmed 0:791a779d6220 73 os_tsk.run->interval_time = interval_time;
shoaib_ahmed 0:791a779d6220 74 os_tsk.run->delta_time = interval_time + (U16)os_time;
shoaib_ahmed 0:791a779d6220 75 }
shoaib_ahmed 0:791a779d6220 76
shoaib_ahmed 0:791a779d6220 77
shoaib_ahmed 0:791a779d6220 78 /*--------------------------- rt_itv_wait -----------------------------------*/
shoaib_ahmed 0:791a779d6220 79
shoaib_ahmed 0:791a779d6220 80 void rt_itv_wait (void) {
shoaib_ahmed 0:791a779d6220 81 /* Wait for interval end and define start of next one */
shoaib_ahmed 0:791a779d6220 82 U16 delta;
shoaib_ahmed 0:791a779d6220 83
shoaib_ahmed 0:791a779d6220 84 delta = os_tsk.run->delta_time - (U16)os_time;
shoaib_ahmed 0:791a779d6220 85 os_tsk.run->delta_time += os_tsk.run->interval_time;
shoaib_ahmed 0:791a779d6220 86 if ((delta & 0x8000) == 0) {
shoaib_ahmed 0:791a779d6220 87 rt_block (delta, WAIT_ITV);
shoaib_ahmed 0:791a779d6220 88 }
shoaib_ahmed 0:791a779d6220 89 }
shoaib_ahmed 0:791a779d6220 90
shoaib_ahmed 0:791a779d6220 91 /*----------------------------------------------------------------------------
shoaib_ahmed 0:791a779d6220 92 * end of file
shoaib_ahmed 0:791a779d6220 93 *---------------------------------------------------------------------------*/
shoaib_ahmed 0:791a779d6220 94