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Dependencies:   F7_Ethernet WebSocketClient mbed mcp3008

Fork of Nucleo_F746ZG_Ethernet by Dieter Graef

mbed-rtos/rtx/TARGET_CORTEX_A/rt_Time.c@0:f9b6112278fe, 2016-06-18 (annotated)

Committer:
DieterGraef
Date:
Sat Jun 18 10:49:12 2016 +0000
Revision:
0:f9b6112278fe
Ethernet for the NUCLEO STM32F746 Board Testprogram uses DHCP and NTP to set the clock

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:f9b6112278fe 1 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 2 * RL-ARM - RTX
DieterGraef 0:f9b6112278fe 3 *----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 4 * Name: RT_TIME.C
DieterGraef 0:f9b6112278fe 5 * Purpose: Delay and interval wait functions
DieterGraef 0:f9b6112278fe 6 * Rev.: V4.70
DieterGraef 0:f9b6112278fe 7 *----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 8 *
DieterGraef 0:f9b6112278fe 9 * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
DieterGraef 0:f9b6112278fe 10 * All rights reserved.
DieterGraef 0:f9b6112278fe 11 * Redistribution and use in source and binary forms, with or without
DieterGraef 0:f9b6112278fe 12 * modification, are permitted provided that the following conditions are met:
DieterGraef 0:f9b6112278fe 13 * - Redistributions of source code must retain the above copyright
DieterGraef 0:f9b6112278fe 14 * notice, this list of conditions and the following disclaimer.
DieterGraef 0:f9b6112278fe 15 * - Redistributions in binary form must reproduce the above copyright
DieterGraef 0:f9b6112278fe 16 * notice, this list of conditions and the following disclaimer in the
DieterGraef 0:f9b6112278fe 17 * documentation and/or other materials provided with the distribution.
DieterGraef 0:f9b6112278fe 18 * - Neither the name of ARM nor the names of its contributors may be used
DieterGraef 0:f9b6112278fe 19 * to endorse or promote products derived from this software without
DieterGraef 0:f9b6112278fe 20 * specific prior written permission.
DieterGraef 0:f9b6112278fe 21 *
DieterGraef 0:f9b6112278fe 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
DieterGraef 0:f9b6112278fe 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
DieterGraef 0:f9b6112278fe 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
DieterGraef 0:f9b6112278fe 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
DieterGraef 0:f9b6112278fe 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
DieterGraef 0:f9b6112278fe 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
DieterGraef 0:f9b6112278fe 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
DieterGraef 0:f9b6112278fe 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
DieterGraef 0:f9b6112278fe 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
DieterGraef 0:f9b6112278fe 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
DieterGraef 0:f9b6112278fe 32 * POSSIBILITY OF SUCH DAMAGE.
DieterGraef 0:f9b6112278fe 33 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 34
DieterGraef 0:f9b6112278fe 35 #include "rt_TypeDef.h"
DieterGraef 0:f9b6112278fe 36 #include "RTX_Config.h"
DieterGraef 0:f9b6112278fe 37 #include "rt_Task.h"
DieterGraef 0:f9b6112278fe 38 #include "rt_Time.h"
DieterGraef 0:f9b6112278fe 39
DieterGraef 0:f9b6112278fe 40 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 41 * Global Variables
DieterGraef 0:f9b6112278fe 42 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 43
DieterGraef 0:f9b6112278fe 44 /* Free running system tick counter */
DieterGraef 0:f9b6112278fe 45 U32 os_time;
DieterGraef 0:f9b6112278fe 46
DieterGraef 0:f9b6112278fe 47
DieterGraef 0:f9b6112278fe 48 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 49 * Functions
DieterGraef 0:f9b6112278fe 50 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 51
DieterGraef 0:f9b6112278fe 52
DieterGraef 0:f9b6112278fe 53 /*--------------------------- rt_time_get -----------------------------------*/
DieterGraef 0:f9b6112278fe 54
DieterGraef 0:f9b6112278fe 55 U32 rt_time_get (void) {
DieterGraef 0:f9b6112278fe 56 /* Get system time tick */
DieterGraef 0:f9b6112278fe 57 return (os_time);
DieterGraef 0:f9b6112278fe 58 }
DieterGraef 0:f9b6112278fe 59
DieterGraef 0:f9b6112278fe 60
DieterGraef 0:f9b6112278fe 61 /*--------------------------- rt_dly_wait -----------------------------------*/
DieterGraef 0:f9b6112278fe 62
DieterGraef 0:f9b6112278fe 63 void rt_dly_wait (U16 delay_time) {
DieterGraef 0:f9b6112278fe 64 /* Delay task by "delay_time" */
DieterGraef 0:f9b6112278fe 65 rt_block (delay_time, WAIT_DLY);
DieterGraef 0:f9b6112278fe 66 }
DieterGraef 0:f9b6112278fe 67
DieterGraef 0:f9b6112278fe 68
DieterGraef 0:f9b6112278fe 69 /*--------------------------- rt_itv_set ------------------------------------*/
DieterGraef 0:f9b6112278fe 70
DieterGraef 0:f9b6112278fe 71 void rt_itv_set (U16 interval_time) {
DieterGraef 0:f9b6112278fe 72 /* Set interval length and define start of first interval */
DieterGraef 0:f9b6112278fe 73 os_tsk.run->interval_time = interval_time;
DieterGraef 0:f9b6112278fe 74 os_tsk.run->delta_time = interval_time + (U16)os_time;
DieterGraef 0:f9b6112278fe 75 }
DieterGraef 0:f9b6112278fe 76
DieterGraef 0:f9b6112278fe 77
DieterGraef 0:f9b6112278fe 78 /*--------------------------- rt_itv_wait -----------------------------------*/
DieterGraef 0:f9b6112278fe 79
DieterGraef 0:f9b6112278fe 80 void rt_itv_wait (void) {
DieterGraef 0:f9b6112278fe 81 /* Wait for interval end and define start of next one */
DieterGraef 0:f9b6112278fe 82 U16 delta;
DieterGraef 0:f9b6112278fe 83
DieterGraef 0:f9b6112278fe 84 delta = os_tsk.run->delta_time - (U16)os_time;
DieterGraef 0:f9b6112278fe 85 os_tsk.run->delta_time += os_tsk.run->interval_time;
DieterGraef 0:f9b6112278fe 86 if ((delta & 0x8000) == 0) {
DieterGraef 0:f9b6112278fe 87 rt_block (delta, WAIT_ITV);
DieterGraef 0:f9b6112278fe 88 }
DieterGraef 0:f9b6112278fe 89 }
DieterGraef 0:f9b6112278fe 90
DieterGraef 0:f9b6112278fe 91 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 92 * end of file
DieterGraef 0:f9b6112278fe 93 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 94