159 lines
4.1 KiB
C++
159 lines
4.1 KiB
C++
/**********************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Nis Wechselberg
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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**********************************************************************/
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/**********************************************************************
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* ESP8266-RGB-MQTT
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*
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* Links the ESP8266 based RGB led strip to an mqtt broker.
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* The program uses multiple topics for incoming and outgoing messages.
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* Incoming topics:
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* - <mqtt_device>/power
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* - <mqtt_device>/color
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* - <mqtt_device>/breathing
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* - <mqtt_device>/cycle
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* Outgoing topics:
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*
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**********************************************************************/
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#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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#include "ESP8266-RGB-MQTT.h"
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// Global mqtt client object
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WiFiClient espClient;
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PubSubClient client(espClient);
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// RGB strip pin configuration
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const short redPin = 14;
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const short greenPin = 16;
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const short bluePin = 12;
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/*
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* Initial setup for arduino
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*/
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void setup() {
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// Configure serial port
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Serial.begin(115200);
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delay(10);
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// Prepare WiFi connection
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setup_wifi();
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// Connect to mqtt broker
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client.setServer(mqtt_server, 1883);
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client.setCallback(incoming_mqtt);
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}
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/*
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* Prepares the wireless connection
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*/
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void setup_wifi() {
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// Connect to the WiFi as a client
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WiFi.mode(WIFI_STA);
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// Do the connection
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Serial.println();
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Serial.print("Connecting to ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi connected");
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// Print IP address to serial
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Serial.print("My IP address: ");
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Serial.println(WiFi.localIP());
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}
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/*
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* Callback method for incoming mqtt messages
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*/
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void incoming_mqtt(char* topic, byte* payload, unsigned int length) {
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Serial.print("Message arrived [");
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Serial.print(topic);
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Serial.print("] ");
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for (int i = 0; i < length; i++) {
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Serial.print((char)payload[i]);
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}
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Serial.println();
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if (strcmp(topic, mqtt_topic_power) == 0) {
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}
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if (strcmp(topic, mqtt_topic_color) == 0) {
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}
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if (strcmp(topic, mqtt_topic_cycle) == 0) {
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}
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if (strcmp(topic, mqtt_topic_breathe) == 0) {
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}
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}
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/*
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* Blocking reconnect to the mqtt broker
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*/
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void reconnect() {
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// Loop until we're reconnected
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while (!client.connected()) {
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Serial.print("Attempting MQTT connection...");
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// Attempt to connect
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if (client.connect(mqtt_device)) {
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Serial.println("connected");
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// Once connected, publish an announcement...
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// client.publish("outTopic", "hello world");
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// subscribe to incoming topics
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client.subscribe(mqtt_topic_power);
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client.subscribe(mqtt_topic_color);
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client.subscribe(mqtt_topic_cycle);
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client.subscribe(mqtt_topic_breathe);
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} else {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" try again in 5 seconds");
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// Wait 5 seconds before retrying
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delay(5000);
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}
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}
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}
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void updateColor() {
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}
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void loop() {
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if (!client.connected()) {
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reconnect();
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}
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client.loop();
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updateColor();
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}
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