Arrow / Mbed OS DAPLink Reset

Repostiory containing DAPLink source code with Reset Pin workaround for HANI_IOT board.

Upstream: https://github.com/ARMmbed/DAPLink

source/rtos/rt_Timer.c@0:01f31e923fe2, 2020-04-07 (annotated)

Committer:
Pawel Zarembski
Date:
Tue Apr 07 12:55:42 2020 +0200
Revision:
0:01f31e923fe2
hani: DAPLink with reset workaround

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pawel Zarembski 0:01f31e923fe2 1 /**
Pawel Zarembski 0:01f31e923fe2 2 * @file rt_Timer.c
Pawel Zarembski 0:01f31e923fe2 3 * @brief
Pawel Zarembski 0:01f31e923fe2 4 *
Pawel Zarembski 0:01f31e923fe2 5 * DAPLink Interface Firmware
Pawel Zarembski 0:01f31e923fe2 6 * Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
Pawel Zarembski 0:01f31e923fe2 7 * SPDX-License-Identifier: Apache-2.0
Pawel Zarembski 0:01f31e923fe2 8 *
Pawel Zarembski 0:01f31e923fe2 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Pawel Zarembski 0:01f31e923fe2 10 * not use this file except in compliance with the License.
Pawel Zarembski 0:01f31e923fe2 11 * You may obtain a copy of the License at
Pawel Zarembski 0:01f31e923fe2 12 *
Pawel Zarembski 0:01f31e923fe2 13 * http://www.apache.org/licenses/LICENSE-2.0
Pawel Zarembski 0:01f31e923fe2 14 *
Pawel Zarembski 0:01f31e923fe2 15 * Unless required by applicable law or agreed to in writing, software
Pawel Zarembski 0:01f31e923fe2 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Pawel Zarembski 0:01f31e923fe2 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pawel Zarembski 0:01f31e923fe2 18 * See the License for the specific language governing permissions and
Pawel Zarembski 0:01f31e923fe2 19 * limitations under the License.
Pawel Zarembski 0:01f31e923fe2 20 */
Pawel Zarembski 0:01f31e923fe2 21
Pawel Zarembski 0:01f31e923fe2 22 #include "rt_TypeDef.h"
Pawel Zarembski 0:01f31e923fe2 23 #include "RTX_Config.h"
Pawel Zarembski 0:01f31e923fe2 24 #include "rt_Timer.h"
Pawel Zarembski 0:01f31e923fe2 25 #include "rt_MemBox.h"
Pawel Zarembski 0:01f31e923fe2 26
Pawel Zarembski 0:01f31e923fe2 27
Pawel Zarembski 0:01f31e923fe2 28 /*----------------------------------------------------------------------------
Pawel Zarembski 0:01f31e923fe2 29 * Global Variables
Pawel Zarembski 0:01f31e923fe2 30 *---------------------------------------------------------------------------*/
Pawel Zarembski 0:01f31e923fe2 31
Pawel Zarembski 0:01f31e923fe2 32 /* User Timer list pointer */
Pawel Zarembski 0:01f31e923fe2 33 struct OS_XTMR os_tmr;
Pawel Zarembski 0:01f31e923fe2 34
Pawel Zarembski 0:01f31e923fe2 35 /*----------------------------------------------------------------------------
Pawel Zarembski 0:01f31e923fe2 36 * Functions
Pawel Zarembski 0:01f31e923fe2 37 *---------------------------------------------------------------------------*/
Pawel Zarembski 0:01f31e923fe2 38
Pawel Zarembski 0:01f31e923fe2 39 /*--------------------------- rt_tmr_tick -----------------------------------*/
Pawel Zarembski 0:01f31e923fe2 40
Pawel Zarembski 0:01f31e923fe2 41 void rt_tmr_tick (void) {
Pawel Zarembski 0:01f31e923fe2 42 /* Decrement delta count of timer list head. Timers having the value of */
Pawel Zarembski 0:01f31e923fe2 43 /* zero are removed from the list and the callback function is called. */
Pawel Zarembski 0:01f31e923fe2 44 P_TMR p;
Pawel Zarembski 0:01f31e923fe2 45
Pawel Zarembski 0:01f31e923fe2 46 if (os_tmr.next == NULL) {
Pawel Zarembski 0:01f31e923fe2 47 return;
Pawel Zarembski 0:01f31e923fe2 48 }
Pawel Zarembski 0:01f31e923fe2 49 os_tmr.tcnt--;
Pawel Zarembski 0:01f31e923fe2 50 while (os_tmr.tcnt == 0 && (p = os_tmr.next) != NULL) {
Pawel Zarembski 0:01f31e923fe2 51 /* Call a user provided function to handle an elapsed timer */
Pawel Zarembski 0:01f31e923fe2 52 os_tmr_call (p->info);
Pawel Zarembski 0:01f31e923fe2 53 os_tmr.tcnt = p->tcnt;
Pawel Zarembski 0:01f31e923fe2 54 os_tmr.next = p->next;
Pawel Zarembski 0:01f31e923fe2 55 rt_free_box ((U32 *)m_tmr, p);
Pawel Zarembski 0:01f31e923fe2 56 }
Pawel Zarembski 0:01f31e923fe2 57 }
Pawel Zarembski 0:01f31e923fe2 58
Pawel Zarembski 0:01f31e923fe2 59 /*--------------------------- rt_tmr_create ---------------------------------*/
Pawel Zarembski 0:01f31e923fe2 60
Pawel Zarembski 0:01f31e923fe2 61 OS_ID rt_tmr_create (U16 tcnt, U16 info) {
Pawel Zarembski 0:01f31e923fe2 62 /* Create an user timer and put it into the chained timer list using */
Pawel Zarembski 0:01f31e923fe2 63 /* a timeout count value of "tcnt". User parameter "info" is used as a */
Pawel Zarembski 0:01f31e923fe2 64 /* parameter for the user provided callback function "os_tmr_call ()". */
Pawel Zarembski 0:01f31e923fe2 65 P_TMR p_tmr, p;
Pawel Zarembski 0:01f31e923fe2 66 U32 delta,itcnt = tcnt;
Pawel Zarembski 0:01f31e923fe2 67
Pawel Zarembski 0:01f31e923fe2 68 if (tcnt == 0 || m_tmr == NULL) {
Pawel Zarembski 0:01f31e923fe2 69 return (NULL);
Pawel Zarembski 0:01f31e923fe2 70 }
Pawel Zarembski 0:01f31e923fe2 71 p_tmr = rt_alloc_box ((U32 *)m_tmr);
Pawel Zarembski 0:01f31e923fe2 72 if (!p_tmr) {
Pawel Zarembski 0:01f31e923fe2 73 return (NULL);
Pawel Zarembski 0:01f31e923fe2 74 }
Pawel Zarembski 0:01f31e923fe2 75 p_tmr->info = info;
Pawel Zarembski 0:01f31e923fe2 76 p = (P_TMR)&os_tmr;
Pawel Zarembski 0:01f31e923fe2 77 delta = p->tcnt;
Pawel Zarembski 0:01f31e923fe2 78 while (delta < itcnt && p->next != NULL) {
Pawel Zarembski 0:01f31e923fe2 79 p = p->next;
Pawel Zarembski 0:01f31e923fe2 80 delta += p->tcnt;
Pawel Zarembski 0:01f31e923fe2 81 }
Pawel Zarembski 0:01f31e923fe2 82 /* Right place found, insert timer into the list */
Pawel Zarembski 0:01f31e923fe2 83 p_tmr->next = p->next;
Pawel Zarembski 0:01f31e923fe2 84 p_tmr->tcnt = (U16)(delta - itcnt);
Pawel Zarembski 0:01f31e923fe2 85 p->next = p_tmr;
Pawel Zarembski 0:01f31e923fe2 86 p->tcnt -= p_tmr->tcnt;
Pawel Zarembski 0:01f31e923fe2 87 return (p_tmr);
Pawel Zarembski 0:01f31e923fe2 88 }
Pawel Zarembski 0:01f31e923fe2 89
Pawel Zarembski 0:01f31e923fe2 90 /*--------------------------- rt_tmr_kill -----------------------------------*/
Pawel Zarembski 0:01f31e923fe2 91
Pawel Zarembski 0:01f31e923fe2 92 OS_ID rt_tmr_kill (OS_ID timer) {
Pawel Zarembski 0:01f31e923fe2 93 /* Remove user timer from the chained timer list. */
Pawel Zarembski 0:01f31e923fe2 94 P_TMR p, p_tmr;
Pawel Zarembski 0:01f31e923fe2 95
Pawel Zarembski 0:01f31e923fe2 96 p_tmr = (P_TMR)timer;
Pawel Zarembski 0:01f31e923fe2 97 p = (P_TMR)&os_tmr;
Pawel Zarembski 0:01f31e923fe2 98 /* Search timer list for requested timer */
Pawel Zarembski 0:01f31e923fe2 99 while (p->next != p_tmr) {
Pawel Zarembski 0:01f31e923fe2 100 if (p->next == NULL) {
Pawel Zarembski 0:01f31e923fe2 101 /* Failed, "timer" is not in the timer list */
Pawel Zarembski 0:01f31e923fe2 102 return (p_tmr);
Pawel Zarembski 0:01f31e923fe2 103 }
Pawel Zarembski 0:01f31e923fe2 104 p = p->next;
Pawel Zarembski 0:01f31e923fe2 105 }
Pawel Zarembski 0:01f31e923fe2 106 /* Timer was found, remove it from the list */
Pawel Zarembski 0:01f31e923fe2 107 p->next = p_tmr->next;
Pawel Zarembski 0:01f31e923fe2 108 p->tcnt += p_tmr->tcnt;
Pawel Zarembski 0:01f31e923fe2 109 rt_free_box ((U32 *)m_tmr, p_tmr);
Pawel Zarembski 0:01f31e923fe2 110 /* Timer killed */
Pawel Zarembski 0:01f31e923fe2 111 return (NULL);
Pawel Zarembski 0:01f31e923fe2 112 }
Pawel Zarembski 0:01f31e923fe2 113
Pawel Zarembski 0:01f31e923fe2 114 /*----------------------------------------------------------------------------
Pawel Zarembski 0:01f31e923fe2 115 * end of file
Pawel Zarembski 0:01f31e923fe2 116 *---------------------------------------------------------------------------*/