1 files changed, 479 insertions, 0 deletions
diff --git a/Luxcena-cs.ino b/Luxcena-cs.ino
new file mode 100644
index 0000000..41bef63
--- /dev/null
+++ b/Luxcena-cs.ino
@@ -0,0 +1,479 @@
+#include <ESP8266WiFi.h>
+#include <WiFiClient.h>
+#include <ESP8266WebServer.h>
+#include <ESP8266mDNS.h>
+#include <FS.h>
+#include <EEPROM.h>
+#include "memoryAccess.h"
+
+// I have saved the html, js and css like this (Except bootstrap) because it takes so long to upload to SPIFFS. which makes it almost impossible to debug and test
+#include "style.h"     // custom stylesheet, get it from stylesheet
+#include "script.h"
+#include "index.h"     // Index page html, get it from MAIN_page
+#include "settings.h"  // Settings page html, get it from SETTINGS_page
+
+// User variables
+const String MemoryAccessVersion = "cp-a1";
+const String deviceType = "clapSensor";           // This is what kind of device it is, crucial for the homeServer when determing which API to use
+const int wifiConnectionTimeout = 10;              // n*1 sec
+char ssid[30];
+char password[30];
+char APssid[30];
+String deviceName;
+String deviceLocation;
+String deviceId;
+
+memoryAccess MemoryAccess;
+
+const int lampPin = 14;   // Pin the appliance is connected to 14!
+const int sensorPin = 5;  // Pin the sensor is connected to
+
+bool lampOn;        // Is the appliance turned on?
+bool sensorActive;  // Should we care about sensor input?
+
+long sampleRate = 1;          // milliseconds
+long bufferPushRate = 100;    // milliseconds
+const int bufferSize = 5;     // This will be 20 samples, counting with zero
+
+int soundBuffer[bufferSize + 1];  // with a sampleRate of 100, this is 2 seconds worth of sound
+long currentMillis = 0;
+long lastSampleTime = 0;
+long lastBufferPushTime = 0;
+int sensorvalue = 0;
+int samplePeak = 0;
+
+int sensorthreshold = 600;
+int bufferKey[6] = {0, 0, 1, 0, 1, 0};
+
+ESP8266WebServer server ( 80 );  // webServer on port 80
+
+void setup ( void ) {
+    // Activate serial
+    Serial.begin ( 115200 );
+    //Serial.setDebugOutput(true);
+    SPIFFS.begin();
+    MemoryAccess.init();
+
+    if (MemoryAccess.readAscii("version") == MemoryAccessVersion) {
+        deviceName = MemoryAccess.readAscii("deviceName");
+        deviceLocation = MemoryAccess.readAscii("deviceLocation");
+        deviceId = MemoryAccess.readAscii("deviceId");
+        MemoryAccess.readAscii("SSID").toCharArray(ssid, 30);
+        MemoryAccess.readAscii("Password").toCharArray(password, 30);
+        (deviceType + "-" + deviceId).toCharArray(APssid, 30);
+    } else {
+        // SET TO DEFAULT VALUES
+        String _uniqId = uniqId();
+        MemoryAccess.writeAscii("version", MemoryAccessVersion);
+        MemoryAccess.writeAscii("deviceName", "clapSensor" + _uniqId);
+        MemoryAccess.writeAscii("deviceLocation", "Milky way");
+        MemoryAccess.writeAscii("deviceId", _uniqId);
+        MemoryAccess.writeAscii("SSID", ".");
+        MemoryAccess.writeAscii("Password", "");
+        MemoryAccess.commit();
+        Serial.println("Had set default values.");
+        hardReset();
+    }
+
+    Serial.println("");
+    Serial.print("ssid: ");
+    Serial.println(ssid);
+    Serial.print("Password: ");
+    Serial.println(password);
+    Serial.print("deviceName: ");
+    Serial.println(deviceName);
+    Serial.print("deviceLocation: ");
+    Serial.println(deviceLocation);
+    Serial.print("deviceId: ");
+    Serial.println(deviceId);
+
+
+    // Setup pins and set default values
+    pinMode ( lampPin, OUTPUT );
+    lampOn = false; // Vil at denne skal bli husket, altså være samme etter boot
+    sensorActive = false;
+    digitalWrite(lampPin, lampOn);
+
+    // Try to connect to WiFia
+    WiFi.begin ( ssid, password );
+
+    // Wait for connection
+    int connTime = 0;
+    while ( WiFi.status() != WL_CONNECTED ) {
+        if (connTime >= wifiConnectionTimeout) { break; }
+        delay ( 1000 );
+        Serial.print ( "." );
+        connTime++;
+    }
+
+    Serial.println ( "" );
+
+    uint8_t cStatus = WiFi.status();
+    if (cStatus == WL_NO_SHIELD) { Serial.println("No shield is connected [code: 255 (WL_NO_SHIELD)]"); }
+    else if (cStatus == WL_IDLE_STATUS) { Serial.println("WiFi connection timed out [code: 0 (WL_IDLE_STATUS)]"); }
+    else if (cStatus == WL_NO_SSID_AVAIL) { Serial.println("SSID not available [code: 1 (WL_NO_SSID_AVAIL)]"); }
+    else if (cStatus == WL_SCAN_COMPLETED) { Serial.println("Networks have been scanned for some reason [code: 2 (WL_SCAN_COMPLETED)]"); }
+    else if (cStatus == WL_CONNECTED) { Serial.println("Network is now connected [code: 3 (WL_CONNECTED)]"); }
+    else if (cStatus == WL_CONNECT_FAILED) { Serial.println("Connection attemt limit reached, could not connect [code: 4 (WL_CONNECT_FAILED)]"); }
+    else if (cStatus == WL_CONNECTION_LOST) { Serial.println("EEEHm, connection was apparently lost right away... [code: 5 (WL_CONNECTION_LOST)]"); }
+    else if (cStatus == WL_DISCONNECTED) { Serial.println("Could not connect [code: 6 (WL_DISCONNECTED)]"); }
+    Serial.println();
+
+    if ( WiFi.status() == WL_CONNECTED ) {
+        Serial.print ( "Connected to " );
+        Serial.println ( ssid );
+        Serial.print ( "IP address: " );
+        Serial.println ( WiFi.localIP() );
+    } else {
+        WiFi.disconnect();
+        WiFi.softAP(APssid);  // add password here as second parameter, currently just a open hotspot
+        IPAddress myIP = WiFi.softAPIP();
+        Serial.print("APssid: ");
+        Serial.println(APssid);
+        Serial.print("AP IP address: ");
+        Serial.println(myIP);
+    }
+
+    if ( MDNS.begin ( "esp8266" ) ) {
+        Serial.println ( "MDNS responder started" );
+    }
+
+    // Gui
+    server.on ( "/", handleRoot );
+    server.on ( "/settings", handleSettings );
+    // Json
+    server.on ( "/j/", handleJson );
+    server.on ( "/j", handleJson );
+    // Others
+    server.on ( "/style.css", handleStylesheet );
+    server.on ( "/script.js", handleScript );
+    server.serveStatic("/bootstrap.css", SPIFFS, "/bootstrap.css");
+    server.onNotFound ( handleNotFound );
+    server.begin();
+    Serial.println ( "HTTP server started" );
+}
+
+
+int sensorValue = 0;
+int eventStatus = 0;
+int sensorThresholdHigh = 870;
+int sensorthresholdLow = 500;
+void loop ( void ) {
+    server.handleClient();
+
+    uint8_t cStatus = WiFi.status();
+    if (cStatus != WL_CONNECTED) {
+        Serial.println("Something fishy happend to our WiFi: ");
+        if (cStatus == WL_NO_SHIELD) { Serial.println("No shield is connected [code: 255 (WL_NO_SHIELD)]"); }
+        else if (cStatus == WL_IDLE_STATUS) { Serial.println("WiFi connection timed out [code: 0 (WL_IDLE_STATUS)]"); }
+        else if (cStatus == WL_NO_SSID_AVAIL) { Serial.println("SSID not available [code: 1 (WL_NO_SSID_AVAIL)]"); }
+        else if (cStatus == WL_SCAN_COMPLETED) { Serial.println("Networks have been scanned for some reason [code: 2 (WL_SCAN_COMPLETED)]"); }
+        else if (cStatus == WL_CONNECTED) { Serial.println("Network is now connected [code: 3 (WL_CONNECTED)]"); }
+        else if (cStatus == WL_CONNECT_FAILED) { Serial.println("Connection attemt limit reached, could not connect [code: 4 (WL_CONNECT_FAILED)]"); }
+        else if (cStatus == WL_CONNECTION_LOST) { Serial.println("EEEHm, connection was apparently lost right away... [code: 5 (WL_CONNECTION_LOST)]"); }
+        else if (cStatus == WL_DISCONNECTED) { Serial.println("Could not connect [code: 6 (WL_DISCONNECTED)]"); }
+    }
+
+    if (!sensorActive) { return; }  // We can return to the beginning if the sensor is inactive
+
+    eventStatus = 0;
+    sensorValue = analogRead(A0);
+    delay(1);
+
+    if (eventStatus == 0) {
+      if (sensorValue > sensorThresholdHigh) {
+        eventStatus = 1;
+      }
+    }
+    if (eventStatus == 0) {
+      for (int i = 0; i > 10; i++) {
+        sensorValue = analogRead(A0);
+        if(sensorValue < sensorthresholdLow) {
+          eventStatus = 2;
+          break;
+        }
+      }
+    }
+    if (eventStatus == 2) {
+      for (int i = 0; i < 500; i++) {
+        sensorValue = analogRead(A0);
+        delay(1);
+        if (sensorValue > sensorThresholdHigh) {
+          eventStatus = 3;
+          break;
+        }
+      }
+    }
+    if (eventStatus == 3) {
+      setLamp("TOGGLE");
+    }
+
+
+
+    /*
+    currentMillis = millis();
+    if (currentMillis > lastSampleTime + sampleRate) {
+        sample();
+    }
+
+    if (currentMillis > lastBufferPushTime + bufferPushRate) {
+        pushSampleToBuffer();
+        bufferAlgo();
+        dumpBuffer();
+    }
+    */
+}
+
+void sample() {
+    /* Sample, and compare value with highest peak of "current sample" */
+    sensorvalue = analogRead(A0);
+    if (sensorvalue >= samplePeak) {
+        samplePeak = sensorvalue;
+    }
+    lastSampleTime = currentMillis;
+}
+
+void pushSampleToBuffer() {
+    /* This method left shifts the soundBuffer and adds the current sample to the end */
+    int sample = 0;  // This is the bin value of this sample
+    if (samplePeak >= sensorthreshold) { sample = 1; }  // Set to one if it reads "HIGH"
+
+    // Left shift buffer
+    for (int i = 0; i < bufferSize; i++) {
+        soundBuffer[i] = soundBuffer[i + 1];
+        yield();
+    }
+    // Add current sample to the end
+    soundBuffer[bufferSize] = sample;
+
+    // Cleanup
+    samplePeak = 0;
+    // "Reset timer"
+    lastBufferPushTime = currentMillis;
+}
+
+void bufferAlgo() {
+    /* This is the algorithm for checking if a clap is detected */
+    for (int i = 0; i <= bufferSize; i++) {
+        if (soundBuffer[i] != bufferKey[i]) {
+            return;
+        }
+    }
+
+    setLamp("TOGGLE");
+
+    for (int i = 0; i <= bufferSize; i++) {
+        soundBuffer[i] = 0;
+    }
+
+}
+
+void bufferAlgoLong() {
+
+    bool foundPulse = false;
+
+    for (int i = 0; i <= bufferSize; i++) {
+        if (soundBuffer[i] == 1) {
+
+        }
+    }
+
+}
+
+void dumpBuffer() {
+    String output = "";
+    for (int i = 0; i <= bufferSize; i++) {
+        output+= ("[" + String(soundBuffer[i]) + "]");
+    }
+    Serial.println(output);
+}
+
+String uniqId() {
+    randomSeed(analogRead(A0));
+    String _uniqId = "";
+    for (int i = 0; i < 10; i++) {
+        int currSet = random(1,3);
+        if (currSet == 1) {
+            char chr = random(48, 57);
+            _uniqId += String(chr);
+        } else if (currSet == 2) {
+            char chr = random(65, 90);
+            _uniqId += String(chr);
+        } else {
+            char chr = random(97, 122);
+            _uniqId += String(chr);
+        }
+    }
+    return(_uniqId);
+}
+
+void setLamp(String action) {
+    if (action == "ON") {
+        lampOn = true;
+    } else if (action == "OFF") {
+        lampOn = false;
+    } else if (action == "TOGGLE") {
+        lampOn = !lampOn;
+    }
+    digitalWrite(lampPin, lampOn);
+    yield();
+}
+
+void setSensor(String action) {
+    if (action == "ON") {
+        sensorActive = true;
+    } else if (action == "OFF") {
+        sensorActive = false;
+    }
+}
+
+void handleRoot() {
+
+    String bootstrapLink = "<link rel=\"stylesheet\" href=\"https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css\" integrity=\"sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb\" crossorigin=\"anonymous\">";
+
+    for (int i = 0; i < server.args(); i++) {
+        String argKey = server.argName(i);
+        String argVal = server.arg(i);
+        if (argKey == "l") { bootstrapLink = "<link rel=\"stylesheet\" href=\"./bootstrap.css\">"; }
+    }
+
+    String htmlPage = MAIN_page;
+    htmlPage.replace("{{NAME}}", deviceName);
+    htmlPage.replace("{{Location}}", deviceLocation);
+    htmlPage.replace("{{BOOTSTRAPLINK}}", bootstrapLink);
+    if (lampOn) {
+        htmlPage.replace("{{LAMPACTIVECHECKED}}", "checked");
+    } else {
+        htmlPage.replace("{{LAMPACTIVECHECKED}}", "");
+    }
+    if (sensorActive) {
+        htmlPage.replace("{{SENSORCHECKED}}", "checked");
+    } else {
+        htmlPage.replace("{{SENSORCHECKED}}", "");
+    }
+    server.send ( 200, "text/html", htmlPage);
+}
+
+void handleJson() {
+    // escape dobbel tøddler med en \ slik \" for å ha dobbel tøddler i en string
+
+    for (int i = 0; i < server.args(); i++) {
+        String argKey = server.argName(i);
+        String argVal = server.arg(i);
+
+        if (argKey == "lamp") {
+            if (argVal == "1" || argVal == "true") { setLamp("ON"); }
+            else if (argVal == "0" || argVal == "false") { setLamp("OFF"); }
+            else if (argVal == "toggle" || argVal == "TOGGLE"){ setLamp("TOGGLE"); }
+        } else if (argKey == "sens") {
+            if (argVal == "1" || argVal == "true") { setSensor("ON"); }
+            else { setSensor("OFF"); }
+        }
+    }
+
+    String jsonAnswer = "{";
+    jsonAnswer += "\"deviceName\":\"";
+    jsonAnswer += deviceName;
+    jsonAnswer += "\",\"deviceId\":\"";
+    jsonAnswer += deviceId;
+    jsonAnswer += "\",\"deviceType\":\"";
+    jsonAnswer += deviceType;
+    jsonAnswer += "\",\"deviceLocation\":\"";
+    jsonAnswer += deviceLocation;
+    jsonAnswer += "\",\"lampOn\":\"";
+    jsonAnswer += (String)lampOn;
+    jsonAnswer += "\",\"sensorOn\":\"";
+    jsonAnswer += (String)sensorActive;
+    jsonAnswer += "\"}";
+    server.send ( 200, "text/html", jsonAnswer);
+}
+
+void handleSettings() {
+    bool settingsSaved = false;
+    String successMsg = "";
+    String bootstrapLink = "<link rel=\"stylesheet\" href=\"https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css\" integrity=\"sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb\" crossorigin=\"anonymous\">";
+    String type, _deviceName, _deviceLocation, _ssid, _password;
+
+    for (int i = 0; i < server.args(); i++) {
+        String argKey = server.argName(i);
+        String argVal = stripString(server.arg(i));
+
+        if (argKey == "txtDeviceName") {
+            _deviceName = argVal;
+        } else if (argKey == "txtDeviceLocation") {
+            _deviceLocation = argVal;
+        } else if (argKey == "txtSSID") {
+            _ssid = argVal;
+        } else if (argKey == "txtPassword") {
+            _password = argVal;
+        } else if (argKey == "type") {
+            type = argVal;
+        } else if (argKey == "l") {
+            bootstrapLink = "<link rel=\"stylesheet\" href=\"./bootstrap.css\">";
+        }
+    }
+
+    if (type == "settings") {
+        if (_deviceName != "") {
+            MemoryAccess.writeAscii("deviceName", _deviceName);
+        } else if (_deviceLocation != "") {
+            MemoryAccess.writeAscii("deviceLocation", _deviceLocation);
+        } else if (_ssid != "") {
+            MemoryAccess.writeAscii("SSID", _ssid);
+            MemoryAccess.writeAscii("Password", _password);
+        }
+        MemoryAccess.commit();
+        successMsg = "Settings updated!";
+        settingsSaved = true;
+    } else {
+        Serial.println("Type undefined...");
+    }
+
+    String htmlResponse = SETTINGS_page;
+    htmlResponse.replace("{{NAME}}", deviceName);
+    htmlResponse.replace("{{SUCCESSMSG}}", successMsg);
+    htmlResponse.replace("{{DEVICENAME}}", deviceName);
+    htmlResponse.replace("{{DEVICELOCATION}}", deviceLocation);
+    htmlResponse.replace("{{BOOTSTRAPLINK}}", bootstrapLink);
+    server.send( 200, "text/html", htmlResponse );
+
+    if (settingsSaved) { hardReset(); }
+}
+
+void handleStylesheet() {
+    String style = stylesheet;
+    server.send ( 200, "text/css", style);
+}
+
+void handleScript() {
+    server.send( 200, "text/javascript", main_script);
+}
+
+void handleNotFound() {
+  String message = "File Not Found\n\n";
+  message += "URI: ";
+  message += server.uri();
+  message += "\nMethod: ";
+  message += ( server.method() == HTTP_GET ) ? "GET" : "POST";
+  message += "\nArguments: ";
+  message += server.args();
+  message += "\n";
+
+  for ( uint8_t i = 0; i < server.args(); i++ ) {
+    message += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n";
+  }
+
+  server.send ( 404, "text/plain", message );
+}
+
+String stripString(String _string) {
+    _string.replace("\n", "");
+    return _string;
+}
+
+void hardReset() {
+    Serial.println("Triggering Watchdog hard reset in 1 sec...");
+    ESP.wdtDisable();
+    delay(1000);
+    while (1);
+}