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OTAUpdate.cpp
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OTAUpdate.cpp
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/*
* project: Intex PureSpa SB-H20 WiFi Controller
*
* file: OTAUpdate.cpp
*
* encoding: UTF-8
* created: 27th March 2021
*
* Copyright (C) 2021 Jens B.
*
* 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.
*
* SPDX-License-Identifier: Apache-2.0
*
*/
#include "OTAUpdate.h"
#include <ESP8266httpUpdate.h>
#include "MQTTClient.h"
#include "common.h"
bool OTAUpdate::start(const char* updateURL, MQTTClient& mqttClient)
{
bool success = false;
mqttClient.publish(MQTT_TOPIC::OTA, F("in progress"), true);
// try to perform OTA update
WiFiClient client;
t_httpUpdate_return ret = ESPhttpUpdate.update(client, updateURL, CONFIG::WIFI_VERSION);
const unsigned int BUFFER_SIZE = 128;
char buf[BUFFER_SIZE];
switch (ret)
{
case HTTP_UPDATE_FAILED:
snprintf_P(buf, BUFFER_SIZE, PSTR("failed: %s (error code %d)"), ESPhttpUpdate.getLastErrorString().c_str(), ESPhttpUpdate.getLastError());
break;
case HTTP_UPDATE_NO_UPDATES:
snprintf_P(buf, BUFFER_SIZE, PSTR("none available"));
break;
case HTTP_UPDATE_OK:
snprintf_P(buf, BUFFER_SIZE, PSTR("success"));
success = true;
break;
default:
snprintf_P(buf, BUFFER_SIZE, PSTR("unknown result: %d"), ret);
}
mqttClient.publish(MQTT_TOPIC::OTA, buf, true);
return success;
}