1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "dm_timer.h"
17 #include "cmsis_os2.h"
18 #include "securec.h"
19
20 namespace OHOS {
21 namespace DistributedHardware {
22 namespace {
23 const int32_t MILL_SECONDS_PER_SECOND = 1000;
24 }
DmTimer(const std::string & name)25 DmTimer::DmTimer(const std::string &name)
26 {
27 if (name.empty()) {
28 LOGI("DmTimer name is null");
29 return;
30 }
31 mStatus_ = DmTimerStatus::DM_STATUS_INIT;
32 mTimeOutSec_ = 0;
33 mTimerName_ = name;
34 }
35
~DmTimer()36 DmTimer::~DmTimer()
37 {
38 if (mTimerName_.empty()) {
39 LOGI("DmTimer is not init");
40 return;
41 }
42 LOGI("DmTimer %s Destroy in", mTimerName_.c_str());
43 }
44
45 struct DmTimst {
46 TimeoutHandle handle;
47 DmTimer *dmtimer;
48 void *data;
49 };
50
handler(void * data)51 static void handler(void *data)
52 {
53 struct DmTimst *myTimer = (struct DmTimst *)data;
54 myTimer->handle(myTimer->data, *(myTimer->dmtimer));
55 }
56
Start(uint32_t timeOut,TimeoutHandle handle,void * data)57 DmTimerStatus DmTimer::Start(uint32_t timeOut, TimeoutHandle handle, void *data)
58 {
59 if (mTimerName_.empty() || handle == nullptr || data == nullptr) {
60 LOGI("DmTimer is not init or param empty");
61 return DmTimerStatus::DM_STATUS_FINISH;
62 }
63 LOGI("DmTimer %s start timeout(%d)", mTimerName_.c_str(), timeOut);
64 if (mStatus_ != DmTimerStatus::DM_STATUS_INIT) {
65 return DmTimerStatus::DM_STATUS_BUSY;
66 }
67
68 static struct DmTimst myTimer = {
69 .handle = handle,
70 .dmtimer = this,
71 .data = data,
72 };
73 mTimeOutSec_ = timeOut;
74
75 void *id = osTimerNew((osTimerFunc_t)handler, osTimerType_t::osTimerOnce, (void *)&myTimer, NULL);
76 if (id != NULL) {
77 LOGI("Get name of a timer success ");
78 } else {
79 LOGI("Get name of a timer failed");
80 return DmTimerStatus::DM_STATUS_CREATE_ERROR;
81 }
82
83 timerId = id;
84 int stOk = osTimerStart(timerId, timeOut * osKernelGetTickFreq());
85 if (stOk == 0) {
86 LOGI("DmTimer %s start timer at (%d)s", mTimerName_.c_str(), mTimeOutSec_);
87 mStatus_ = DmTimerStatus::DM_STATUS_RUNNING;
88 } else {
89 LOGI("Start a timer failed");
90 (void)osTimerDelete(timerId);
91 }
92
93 return mStatus_;
94 }
95
Stop(int32_t code)96 void DmTimer::Stop(int32_t code)
97 {
98 LOGI("DmTimer Stop code (%d)", code);
99 if (timerId != NULL) {
100 osTimerDelete(timerId);
101 timerId = NULL;
102 }
103 LOGI("DmTimer %s end timer at (%d)s", mTimerName_.c_str(), mTimeOutSec_);
104 return;
105 }
106
GetTimerName()107 std::string DmTimer::GetTimerName()
108 {
109 return mTimerName_;
110 }
111 } // namespace DistributedHardware
112 } // namespace OHOS
113