laundy-sensor.ino

laundy-sensor.ino

// MPU6050 Includes
#include "Wire.h"
#include "I2Cdev.h"
#include "MPU6050.h"

// ESP8266 Includes
#include <ESP8266WiFi.h>

// DEFINE NODEMCU PINS
#define D0 16
#define D1 5 // I2C Bus SCL (clock)
#define D2 4 // I2C Bus SDA (data)
#define D3 0
#define D4 2 // Same as "LED_BUILTIN", but inverted logic
#define D9 3 // RX0 (Serial console)
#define D10 1 // TX0 (Serial console)

// DEFINE STATES
#define CLOSED 0  //washer door closed
#define OPEN 1 //washer door open
#define EMPTY 0 //washer empty
#define RUNNING 1 //washer running
#define COMPLETE 2 //washer complete
#define MOVEMENT_DETECTED 0
#define MOVEMENT_NOT_DETECTED 1

// ESP8266 WIFI  ----------------------------------------------------------------
const char* ssid = "";
const char* password = "";
// END ESP8266 WIFI  ------------------------------------------------------------

// MPU-6050 Accelerometers ------------------------------------------------------
MPU6050 MPU_WASHER(0x68); //WASHER

int16_t washer_ax, washer_ay, washer_az;
int16_t washer_gx, washer_gy, washer_gz;
int16_t washer_ax_min = 0, washer_ax_max = 0, washer_ax_range;
int16_t washer_ay_min = 0, washer_ay_max = 0, washer_ay_range;
int16_t washer_az_min = 0, washer_az_max = 0, washer_az_range;
// end MPU-6050-------------------------------------------------------------------

unsigned long sample_time = 0;   //millis of last reading

// accelerometer sensor (Washer) ==============================================
int washer_reading = 0; //reading = 1 mean no noise, 0=noise
int washer_reading_previous = 0;
int washer_state = RUNNING;  //1 = running, 0 = empty, 2 = complete

int washer_detector_count = 0;   //number of captures
int washer_detected_count = 0; //number of readings showing sound

char washerString[50]; 

// CONFIGURABLE THRESHOLDS
int washer_ay_threshold = 18000;

int washer_detected_threshold = 3;
boolean washer_detailed_reporting = true;

void setup() {
  Serial.begin(9600); // setup serial
  setup_wifi();
  Wire.begin();
  MPU_WASHER.initialize();
  Serial.println(MPU_WASHER.testConnection() ? F("MPU6050 connection successful") : F("MPU6050 connection failed"));
}

void setup_wifi() {
  delay(10);
  // We start by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void webhookDone() {
  // Get key from maker channel https://ifttt.com/maker
  // And connect with IF app on iOS
  const char* key = "";
  const char* eventName = "washer";
  const char* host = "maker.ifttt.com";
  
  // Use WiFiClient class to create TCP connections
  WiFiClient client;
  const int httpPort = 80;
  if (!client.connect(host, httpPort)) {
    Serial.println("connection failed");
    ESP.deepSleep(0);
    return;
  }
  
  char url[50];
  sprintf(url, "/trigger/%s/with/key/%s", eventName, key);
  Serial.print("Requesting URL: ");
  Serial.println(url);
  
  // This will send the request to the server
  client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n\r\n");
  delay(500);
  // Read all the lines of the reply from server and print them to Serial
  while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  
  Serial.println();
  Serial.println("closing connection");

  // deep sleep forever
  ESP.deepSleep(0);
}

void loop() {  
  MPU_WASHER.getMotion6(&washer_ax, &washer_ay, &washer_az, &washer_gx, &washer_gy, &washer_gz);
  trackMinMax(washer_ax, &washer_ax_min, &washer_ax_max);
  trackMinMax(washer_ay, &washer_ay_min, &washer_ay_max);
  trackMinMax(washer_az, &washer_az_min, &washer_az_max);

  if (sample_time > millis()) {
    sample_time = millis();
  }

  // samples every 5 sec
  if ((millis() - sample_time) > 5000) {
    sample_time = millis(); //reset sample_time to wait for next Xms

    // Calculate Range for each accelerometer direction.
    washer_ax_range = washer_ax_max - washer_ax_min;
    washer_ay_range = washer_ay_max - washer_ay_min;
    washer_az_range = washer_az_max - washer_az_min;

    // Reset Range Counters
    washer_ax_min = 0, washer_ax_max = 0;
    washer_ay_min = 0, washer_ay_max = 0;
    washer_az_min = 0, washer_az_max = 0;
    
    if (washer_detailed_reporting) {
      sprintf(washerString, "washer %d, %d, %d, %d", washer_state, washer_ax_range, washer_ay_range, washer_az_range);
      Serial.println(washerString);
    }

    if (abs(washer_ax_range) > washer_ay_threshold) {
      washer_reading = MOVEMENT_DETECTED;
      Serial.println("MOVEMENT_DETECTED");
    }

    washer_detector_count = washer_detector_count + 1; //count how many times we listened
    if (washer_reading == MOVEMENT_DETECTED) { //count how many times detected movement
      washer_detected_count = washer_detected_count + 1;
    }
    washer_reading = MOVEMENT_NOT_DETECTED; //reset

  } //end reading every 5 seconds

  if (washer_detector_count >= 15) {
    if (washer_detected_count >= washer_detected_threshold) {
      washer_state = RUNNING;
      Serial.println("running");
    } else if (washer_state == RUNNING) { 
      washer_state = COMPLETE;
      Serial.println("completed");
      webhookDone();
    }
    
    washer_detector_count = 0;
    washer_detected_count = 0;
  }
}

int16_t trackMinMax(int16_t current, int16_t *min, int16_t *max) {
  if (current > *max) {
    *max = current;
  } else if (current < *min) {
    *min = current;
  }
}

I get an error message when trying to compile. What do I do wrong?
Archiving built core (caching) in: C:\Users\work\AppData\Local\Temp\arduino_cache_868268\core\core_esp8266_esp8266_nodemcuv2_CpuFrequency_80,UploadSpeed_115200,FlashSize_4M3M_0525d7961506ba0e78aacb222a0a5fc4.a sketch\laundry.ino.cpp.o: In function setup_wifi()':

C:\Users\work\Documents\Arduino\laundry/laundry.ino:77: undefined reference to `MPU6050::initialize()'

C:\Users\work\Documents\Arduino\laundry/laundry.ino:82: undefined reference to `MPU6050::testConnection()'

sketch\laundry.ino.cpp.o: In function `setup':

C:\Users\work\Documents\Arduino\laundry/laundry.ino:85: undefined reference to `MPU6050::initialize()'

C:\Users\work\Documents\Arduino\laundry/laundry.ino:86: undefined reference to `MPU6050::testConnection()'

C:\Users\work\Documents\Arduino\laundry/laundry.ino:65: undefined reference to `MPU6050::MPU6050(unsigned char)'

sketch\laundry.ino.cpp.o: In function `__static_initialization_and_destruction_0':

C:\Users\work\Documents\Arduino\laundry/laundry.ino:65: undefined reference to `MPU6050::MPU6050(unsigned char)'

sketch\laundry.ino.cpp.o: In function `webhookDone()':

C:\Users\work\Documents\Arduino\laundry/laundry.ino:118: undefined reference to `MPU6050::getMotion6(short*, short*, short*, short*, short*, short*)'

C:\Users\work\Documents\Arduino\laundry/laundry.ino:123: undefined reference to `MPU6050::getMotion6(short*, short*, short*, short*, short*, short*)'

collect2.exe: error: ld returned 1 exit status

exit status 1
Fehler beim Kompilieren für das Board NodeMCU 1.0 (ESP-12E Module).
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