1 /*
2 * Copyright (C) 2024 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 #include "nfc_param_util.h"
16
17 #include "loghelper.h"
18 #include "nfc_sdk_common.h"
19 #include "parameter.h"
20
21 namespace OHOS {
22 namespace NFC {
UpdateNfcStateToParam(int newState)23 void NfcParamUtil::UpdateNfcStateToParam(int newState)
24 {
25 if (newState != KITS::STATE_ON && newState != KITS::STATE_OFF) {
26 ErrorLog("illegal state [%{public}d].", newState);
27 return;
28 }
29 InfoLog("UpdateNfcStateToParam, new nfc state[%{public}d]", newState);
30 int errCode = SetParameter(NFC_SWITCH_STATE_PARAM_NAME, std::to_string(newState).c_str());
31 if (errCode < 0) {
32 ErrorLog("fail to set nfc switch param, errCode[%{public}d]", errCode);
33 }
34 }
35
GetNfcStateFromParam()36 int NfcParamUtil::GetNfcStateFromParam()
37 {
38 char nfcState[PROPERTY_VALUE_MAX] = {0};
39 int errCode = GetParameter(NFC_SWITCH_STATE_PARAM_NAME, "", nfcState, PROPERTY_VALUE_MAX);
40 if (errCode != NFC_SWITCH_PARAM_LEN) {
41 ErrorLog("failed to get nfc switch state, errCode[%{public}d]", errCode);
42 return 0; // return invalid nfc state
43 }
44 InfoLog("GetNfcStateFromParam, nfc state[%{public}s]", nfcState);
45 errno = 0;
46 char *endptr = nullptr;
47 long int num = std::strtol(nfcState, &endptr, DECIMAL_NOTATION);
48 if (errno == ERANGE) {
49 ErrorLog("strtol errno = ERANGE");
50 return 0; // return invalid nfc state
51 }
52 return static_cast<int>(num);
53 }
54 } // namespace NFC
55 } // namespace OHOS