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132 lines
3.8 KiB
132 lines
3.8 KiB
/*
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THINGSPEAK MODULE
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Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if THINGSPEAK_SUPPORT
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#include <ESP8266WiFi.h>
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bool _tspk_enabled = false;
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WiFiClientSecure _tspk_client;
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char * _tspk_queue[0];
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// -----------------------------------------------------------------------------
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void _tspkWebSocketOnSend(JsonObject& root) {
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root["tspkVisible"] = 1;
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root["tspkEnabled"] = getSetting("idbEnabled", THINGSPEAK_ENABLED).toInt() == 1;
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JsonArray& relays = root.createNestedArray("tspkRelays");
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for (byte i=0; i<relayCount(); i++) {
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relays.add(getSetting("tspkRelay", i, 0).toInt());
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}
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#if SENSOR_SUPPORT
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JsonArray& list = root.createNestedArray("tspkMagnitudes");
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for (byte i=0; i<magnitudeCount(); i++) {
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JsonObject& element = list.createNestedObject();
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element["name"] = magnitudeName(i);
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element["type"] = magnitudeType(i);
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element["index"] = magnitudeIndex(i);
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element["idx"] = getSetting("tspkMagnitude", i, 0).toInt();
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}
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#endif
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}
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void _tspkConfigure() {
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_tspk_enabled = getSetting("tspkEnabled", THINGSPEAK_ENABLED).toInt() == 1;
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if (_tspk_enabled && (getSetting("tspkKey").length() == 0)) {
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_tspk_enabled = false;
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setSetting("tspkEnabled", 0);
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}
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}
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bool _tspkPost(String data) {
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if (_tspk_client.connect(THINGSPEAK_HOST, 443)) {
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_tspk_client.println("POST " + String(THINGSPEAK_URL) + " HTTP/1.1");
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_tspk_client.println("Host: " + String(THINGSPEAK_HOST));
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//_tspk_client.println("User-Agent: ESPurna");
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_tspk_client.println("Connection: close");
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_tspk_client.println("Content-Type: application/x-www-form-urlencoded;");
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_tspk_client.print("Content-Length: ");
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_tspk_client.println(data.length());
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_tspk_client.println();
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_tspk_client.println(data);
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delay(10);
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String response = _tspk_client.readString();
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int bodypos = response.indexOf("\r\n\r\n") + 4;
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Serial.println(response.substring(bodypos));
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return true;
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}
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return false;
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}
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// -----------------------------------------------------------------------------
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bool tspkSendRelay(unsigned char index, unsigned char status, bool enqueue) {
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if (!_tspk_enabled) return true;
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unsigned char id = getSetting("tspkRelay", index, 0).toInt();
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if (id > 0) {
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--id;
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char payload[3];
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itoa(status ? 1 : 0, payload, 10);
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if (_tspk_queue[id]) free(_tspk_queue[id]);
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_tspk_queue[id] = strdup(payload);
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if (!enqueue) tspkFlush();
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}
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}
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bool tspkSendMeasurement(unsigned char index, char * payload, bool enqueue) {
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if (!_tspk_enabled) return true;
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unsigned char id = getSetting("tspkMagnitude", index, 0).toInt();
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if (id > 0) {
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--id;
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if (_tspk_queue[id]) free(_tspk_queue[id]);
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_tspk_queue[id] = strdup(payload);
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if (!enqueue) tspkFlush();
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}
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}
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bool tspkFlush() {
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if (!_tspk_enabled) return true;
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if (!wifiConnected() || (WiFi.getMode() != WIFI_STA)) return true;
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String data;
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// Walk the fields
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for (unsigned char id=0; id<8; id++) {
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if (_tspk_queue[id]) {
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if (data.length() > 0) data = data + String("&");
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data = data + String("field") + String(id+1) + String("=") + String(_tspk_queue[id]);
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free(_tspk_queue[id]);
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}
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}
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// POST data if any
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if (data.length() > 0) {
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data = data + String("&api_key=") + getSetting("tspkKey");
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_tspkPost(data);
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}
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}
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bool tspkEnabled() {
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return _tspk_enabled;
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}
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void tspkSetup() {
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_tspkConfigure();
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#if WEB_SUPPORT
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wsOnSendRegister(_tspkWebSocketOnSend);
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wsOnAfterParseRegister(_tspkConfigure);
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#endif
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}
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#endif
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