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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;
}
}
@x3l51

This comment has been minimized.

x3l51 commented Sep 15, 2017

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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