Added draft of Aten switcher

ESP8266-MQTT-Aten-MagicBox/ESP8266-MQTT-Aten-MagicBox.ino

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+/**********************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Nis Wechselberg
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ **********************************************************************/
+
+/**********************************************************************
+ * ESP8266-MQTT-BenQ-BeamerControl
+ *
+ * Links the ESP8266 based serial beamer control board to an mqtt broker.
+ * The program uses multiple topics for incoming and outgoing messages.
+ * Incoming topics:
+ * - <mqtt_device>/power
+ * Outgoing topics:
+ *
+ **********************************************************************/
+
+#include <ESP8266WiFi.h>
+#include <ESP8266mDNS.h>
+#include <WiFiUdp.h>
+#include <ArduinoOTA.h>
+#include <PubSubClient.h>
+#include "ESP8266-MQTT-Aten-MagicBox.h"
+
+#define DEBUGTOSERIAL 1
+
+// Timestamp for last publish
+long lastMsg = 0;
+long publishInterval = 5000;
+
+// Global mqtt client object
+WiFiClient espClient;
+PubSubClient client(espClient);
+
+/*
+ * Initial setup for arduino
+ */
+void setup() {
+  // Configure serial port
+  Serial.begin(115200);
+  delay(10);
+
+  // Prepare WiFi connection
+  setup_wifi();
+
+  // Connect to mqtt broker
+  client.setServer(mqtt_server, 1883);
+  client.setCallback(incoming_mqtt);
+}
+
+/*
+ * Prepares the wireless connection
+ */
+void setup_wifi() {
+  // Connect to the WiFi as a client
+  WiFi.mode(WIFI_STA);
+
+  // Do the connection
+  if (DEBUGTOSERIAL) {
+    Serial.println();
+    Serial.print("Connecting to ");
+    Serial.println(ssid);
+  }
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    if (DEBUGTOSERIAL) {
+      Serial.print(".");
+    }
+  }
+  if (DEBUGTOSERIAL) {
+    Serial.println("");
+    Serial.println("WiFi connected");
+
+    // Print IP address to serial
+    Serial.print("My IP address: ");
+    Serial.println(WiFi.localIP());
+  }
+  ArduinoOTA.setHostname(ota_hostname);
+  ArduinoOTA.setPassword(ota_hostname);
+  ArduinoOTA.begin();  
+}
+
+/*
+ * Callback method for incoming mqtt messages
+ */
+void incoming_mqtt(char* topic, byte* payload, unsigned int length) {
+  if (DEBUGTOSERIAL) {
+    Serial.print("Message arrived [");
+    Serial.print(topic);
+    Serial.print("] ");
+    for (int i = 0; i < length; i++) {
+      Serial.print((char)payload[i]);
+    }
+    Serial.println();
+  }
+
+  if (strcmp(topic, mqtt_topic_power) == 0) {
+    if (length == 1) {
+      if (DEBUGTOSERIAL) {
+        Serial.println("Setting new power state");
+      }
+      if ((char)payload[0] == '0') {
+        // Switch power off
+        Serial.print("\r*pow=off#\r");
+      } else {
+        // Switch power on
+        Serial.print("\r*pow=on#\r");
+      }
+    }
+  }
+}
+
+/*
+ * Blocking reconnect to the mqtt broker
+ */
+void reconnect() {
+  // Loop until we're reconnected
+  while (!client.connected()) {
+    if (DEBUGTOSERIAL) {
+      Serial.print("Attempting MQTT connection...");
+    }
+    // Attempt to connect
+    if (client.connect(mqtt_device)) {
+      if (DEBUGTOSERIAL) {
+        Serial.println("connected");
+      }
+      // subscribe to incoming topics
+      client.subscribe(mqtt_topic_power);
+    } else {
+      if (DEBUGTOSERIAL) {
+        Serial.print("failed, rc=");
+        Serial.print(client.state());
+        Serial.println(" try again in 5 seconds");
+      }
+      // Wait 5 seconds before retrying
+      delay(5000);
+    }
+  }
+}
+
+void clearSerialInput() {
+  while(Serial.available() > 0) {
+    char t = Serial.read();
+  }
+}
+
+void updateLamptime() {
+  // Clean input buffer
+  clearSerialInput();
+
+  // Write request to serial
+  Serial.print("\r*ltim=?#\r");
+  delay(250);
+
+  // Extract lamp time from response
+  String message = Serial.readString();
+  int startIndex = message.lastIndexOf('=');
+  int endIndex = message.lastIndexOf('#');
+  if (startIndex != -1 && endIndex != -1) {
+    char publi[endIndex - startIndex];
+    message.substring(startIndex + 1, endIndex).toCharArray(publi, (endIndex - startIndex));
+    // client.publish(mqtt_topic_lamptime, publi);
+  }
+}
+
+void updatePowerState() {
+  // Clean input buffer
+  clearSerialInput();
+
+  // Write request to serial
+  Serial.print("\r*pow=?#\r");
+  delay(250);
+
+  // Extract lamp time from response
+  String message = Serial.readString();
+  int startIndex = message.lastIndexOf('=');
+  int endIndex = message.lastIndexOf('#');
+  if (startIndex != -1 && endIndex != -1) {
+    String state = message.substring(startIndex + 1, endIndex);
+    if (state.equalsIgnoreCase("off")) {
+     // client.publish(mqtt_topic_powerState, "0");
+    } else if (state.equalsIgnoreCase("on")) {
+     // client.publish(mqtt_topic_powerState, "1");
+    }
+  }
+}
+
+void loop() {
+  // Check OTA update
+  ArduinoOTA.handle();
+  
+  // Ensure MQTT connection
+  if (!client.connected()) {
+    reconnect();
+  }
+
+  // Check the inbox
+  client.loop();
+
+  // Maybe push the current status
+  long now = millis();
+  if (now - lastMsg > publishInterval) {
+    lastMsg = now;
+    updateLamptime();
+    updatePowerState();
+  }
+}

ESP8266-MQTT-Aten-MagicBox/command_Responses

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+Command: read\r
+Output:
+[11:14:55:119] read Command OK␊
+[11:14:55:128] ␍ Input:port 3␊
+[11:14:55:136] ␍ Output:ON␊
+[11:14:55:141] ␍ Mode:Default␊
+[11:14:55:150] ␍ Goto:OFF␊
+[11:14:55:155] ␍ F/W:V1.1.101␊
+
+Command: sw i04\r
+Output:
+[11:16:30:131] ␍sw i04 Command OK␊
+
+Command: swmode default\r
+Output:
+[11:16:57:881] ␍swmode default Command OK␊