155 lines
4.2 KiB
C++
155 lines
4.2 KiB
C++
/*
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* This file is part of the "bluetoothheater" distribution
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* (https://gitlab.com/mrjones.id.au/bluetoothheater)
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*
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* Copyright (C) 2018 Ray Jones <ray@mrjones.id.au>
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* Copyright (C) 2018 James Clark
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "BTCWebServer.h"
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#include "DebugPort.h"
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#include "TxManage.h"
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#include "helpers.h"
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#include "pins.h"
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#include "Index.h"
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#include <ArduinoJson.h>
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#include "Moderator.h"
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WebServer server(80);
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WebSocketsServer webSocket = WebSocketsServer(81);
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bool bRxWebData = false; // flags for OLED animation
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bool bTxWebData = false;
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CModerator WebModerator; // check for settings that are not actually changing, avoid sending these
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const int led = 13;
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void handleRoot() {
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String s = MAIN_PAGE; //Read HTML contents
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server.send(200, "text/html", s); //Send web page
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}
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void handleNotFound() {
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digitalWrite(led, 1);
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String message = "File Not Found\n\n";
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message += "URI: ";
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message += server.uri();
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message += "\nMethod: ";
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message += (server.method() == HTTP_GET) ? "GET" : "POST";
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message += "\nArguments: ";
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message += server.args();
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message += "\n";
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for (uint8_t i = 0; i < server.args(); i++) {
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message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
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}
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server.send(404, "text/plain", message);
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digitalWrite(led, 0);
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}
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void initWebServer(void) {
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if (MDNS.begin("BTCHeater")) {
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DebugPort.println("MDNS responder started");
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}
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server.on("/", handleRoot);
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server.onNotFound(handleNotFound);
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server.begin();
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webSocket.begin();
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webSocket.onEvent(webSocketEvent);
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DebugPort.println("HTTP server started");
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}
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unsigned char cVal;
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bool doWebServer(void) {
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static unsigned long lastTx = 0;
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static int prevNumClients;
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webSocket.loop();
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server.handleClient();
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int numClients = webSocket.connectedClients();
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if(numClients != prevNumClients) {
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prevNumClients = numClients;
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WebModerator.reset(); // force full update of params if number of clients change
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DebugPort.println("Changed number of web clients, resetting history");
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}
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if(numClients) {
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if(millis() > lastTx) { // moderate the delivery of new messages - we simply cannot send every pass of the main loop!
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lastTx = millis() + 100;
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StaticJsonBuffer<512> jsonBuffer; // create a JSON buffer on the heap
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JsonObject& root = jsonBuffer.createObject(); // create object to add JSON commands to
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bool bSend = false; // reset should send flag
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float tidyTemp = int(getActualTemperature() * 10) * 0.1f; // round to 0.1 resolution
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bSend |= WebModerator.addJson("CurrentTemp", tidyTemp, root);
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bSend |= WebModerator.addJson("DesiredTemp", getHeaterInfo().getTemperature_Desired(), root);
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bSend |= WebModerator.addJson("RunState", getHeaterInfo().getRunState(), root);
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bSend |= WebModerator.addJson("ErrorState", getHeaterInfo().getErrState(), root );
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if(bSend) {
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bTxWebData = true; // OLED tx data animation flag
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char jsonToSend[512];
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root.printTo(jsonToSend);
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webSocket.broadcastTXT(jsonToSend);
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}
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}
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return true;
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}
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return false;
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}
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void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {
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if (type == WStype_TEXT) {
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bRxWebData = true;
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char cmd[256];
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memset(cmd, 0, 256);
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for (int i = 0; i < length && i < 256; i++) {
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cmd[i] = payload[i];
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}
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interpretJsonCommand(cmd); // send to the main heater controller decode routine
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}
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}
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bool hasWebClientSpoken(bool reset)
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{
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bool retval = bRxWebData;
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if(reset)
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bRxWebData = false;
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return retval;
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}
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bool hasWebServerSpoken(bool reset)
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{
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bool retval = bTxWebData;
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if(reset)
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bTxWebData = false;
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return retval;
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}
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void resetWebModerator()
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{
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WebModerator.reset();
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}
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