forked from project-chip/connectedhomeip
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[ESP32] Add sntp support to get real time on esp32 (project-chip#32092)
* [ESP32] Add sntp support to get real time on esp32 * Address review comments * Did some restructoring to address review comments * Addressed review comments * Again addressed review comments * Restyled by clang-format * Some renaming and error check * Update sntp array to accomodate null terminating charactor --------- Co-authored-by: Restyled.io <[email protected]>
- Loading branch information
1 parent
2c522cb
commit 3d47e35
Showing
7 changed files
with
156 additions
and
6 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2024 Project CHIP Authors | ||
| * All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| #include "TimeSync.h" | ||
| #include <esp_sntp.h> | ||
| #include <lib/support/CHIPMemString.h> | ||
| #include <lib/support/logging/CHIPLogging.h> | ||
|
|
||
| static constexpr time_t kMinValidTimeStampEpoch = 1704067200; // 1 Jan 2019 | ||
| static constexpr uint32_t kSecondsInADay = 24 * 60 * 60; | ||
|
|
||
| namespace { | ||
| const uint8_t kMaxNtpServerStringSize = 128; | ||
| char sSntpServerName[kMaxNtpServerStringSize + 1]; | ||
|
|
||
| CHIP_ERROR GetLocalTimeString(char * buf, size_t buf_len) | ||
| { | ||
| VerifyOrReturnError(buf_len > 0, CHIP_ERROR_INVALID_ARGUMENT); | ||
| struct tm timeinfo; | ||
| char strftime_buf[64]; | ||
| time_t now; | ||
| time(&now); | ||
| localtime_r(&now, &timeinfo); | ||
| if (strftime(strftime_buf, sizeof(strftime_buf), "%Y-%m-%dT%H:%M:%S%z", &timeinfo) == 0) | ||
| { | ||
| ChipLogError(DeviceLayer, "Buffer too small"); | ||
| return CHIP_ERROR_BUFFER_TOO_SMALL; | ||
| } | ||
| size_t print_size = snprintf(buf, buf_len, "%s, DST: %s", strftime_buf, timeinfo.tm_isdst ? "Yes" : "No"); | ||
| if (print_size >= (buf_len - 1)) | ||
| { | ||
| ChipLogError(DeviceLayer, "Buffer size %d insufficient for localtime string. Required size: %d", static_cast<int>(buf_len), | ||
| static_cast<int>(print_size)); | ||
| return CHIP_ERROR_BUFFER_TOO_SMALL; | ||
| } | ||
| return CHIP_NO_ERROR; | ||
| } | ||
|
|
||
| bool ValidateTime() | ||
| { | ||
| time_t now; | ||
| time(&now); | ||
| return (now > kMinValidTimeStampEpoch); | ||
| } | ||
|
|
||
| CHIP_ERROR PrintCurrentTime() | ||
| { | ||
| char local_time[64] = { 0 }; | ||
| ReturnErrorOnFailure(GetLocalTimeString(local_time, sizeof(local_time))); | ||
| if (!ValidateTime()) | ||
| { | ||
| ChipLogProgress(DeviceLayer, "Time not synchronised yet."); | ||
| return CHIP_ERROR_INCORRECT_STATE; | ||
| } | ||
| ChipLogProgress(DeviceLayer, "The current time is: %s.", local_time); | ||
| return CHIP_NO_ERROR; | ||
| } | ||
|
|
||
| void TimeSyncCallback(struct timeval * tv) | ||
| { | ||
| ChipLogProgress(DeviceLayer, "SNTP Synchronised."); | ||
| if (PrintCurrentTime() != CHIP_NO_ERROR) | ||
| { | ||
| ChipLogError(DeviceLayer, "SNTP time is not synchronised."); | ||
| } | ||
| } | ||
|
|
||
| } // anonymous namespace | ||
|
|
||
| namespace chip { | ||
| namespace Esp32TimeSync { | ||
| void Init(const char * aSntpServerName, const uint16_t aSyncSntpIntervalDay) | ||
| { | ||
| chip::Platform::CopyString(sSntpServerName, aSntpServerName); | ||
| if (esp_sntp_enabled()) | ||
| { | ||
| ChipLogProgress(DeviceLayer, "SNTP already initialized."); | ||
| } | ||
| ChipLogProgress(DeviceLayer, "Initializing SNTP. Using the SNTP server: %s", sSntpServerName); | ||
| esp_sntp_setoperatingmode(SNTP_OPMODE_POLL); | ||
| esp_sntp_setservername(0, sSntpServerName); | ||
| esp_sntp_set_sync_interval(kSecondsInADay * aSyncSntpIntervalDay); | ||
| esp_sntp_init(); | ||
| sntp_set_time_sync_notification_cb(TimeSyncCallback); | ||
| } | ||
| } // namespace Esp32TimeSync | ||
| } // namespace chip |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2024 Project CHIP Authors | ||
| * All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| #pragma once | ||
| #include <esp_sntp.h> | ||
| #include <lib/core/CHIPError.h> | ||
| #include <lib/support/Span.h> | ||
|
|
||
| namespace chip { | ||
| namespace Esp32TimeSync { | ||
| void Init(const char * aSntpServerName, uint16_t aSyncSntpIntervalDay); | ||
| } // namespace Esp32TimeSync | ||
| } // namespace chip |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters