smartled

gistfile1.txt

// CONFIGS
const char *ssid = "";
const char *password = "";
const float TEMP_MAX = 70;
const float TEMP_SHUTDOWN = 80;

/*
NO RESISTOR
 */
const int LED_OFF = 255;
const int LED_MIN = 230;
const int LED_MED = 165;
const int LED_MAX = 100;

/*
temps (fans on)
140: < 40
100: 45-50
50:  50-55
*/


/*
  10k resistor
  max power temp approaches less than 40C (no fans), less than 30C with fans on

const int LED_OFF = 255;
const int LED_MIN = 100;
const int LED_MED = 50;
const int LED_MAX = 0;
*/

// WIFI
#include <ESP8266WiFi.h>

// DS18B20
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS D1          // Data wire For Temp Probes
OneWire oneWire(ONE_WIRE_BUS);// Setup a oneWire instance to communicate with any OneWire devices
DallasTemperature sensors(&oneWire);// Pass our oneWire reference to Dallas Temperature.
int numberOfDevices; // Number of temperature devices found
DeviceAddress tempDeviceAddress;
float temperature = 0;

// FAN
#define FanPin D2
#define FAN_MIN 50
#define FAN_MIN_TRESHHOLD 22.00
#define FAN_MED 128
#define FAN_MED_TRESHHOLD 23.00
#define FAN_MAX 255
#define FAN_MAX_TRESHHOLD 25.00


int pot_pin = A0;
int c1 = 0;   // declares variable c1
int c2 = 0;   // declares variable c2

#define LED_PMW_PIN D5
#define LED_IO_PIN D6

String RXdata = ""; 
String ledState = "off";
String ledPower = "min";




void setup() {
  Serial.begin(9600);
  
  /*
    // WIFI
    WiFi.mode(WIFI_STA);
    WiFi.begin(ssid, password);
    Serial.println("");

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

    Serial.println("");
    Serial.print("Connected to ");
    Serial.println(ssid);
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());
  */

  // DS18B20
  sensors.begin();
  numberOfDevices = sensors.getDeviceCount();
  
    // locate devices on the bus
    Serial.print("Locating devices...");
    Serial.print("Found ");
    Serial.print(numberOfDevices, DEC);
    Serial.println(" devices.");

    // Loop through each device, print out address
    for(int i=0;i<numberOfDevices; i++) {
      // Search the wire for address
      if(sensors.getAddress(tempDeviceAddress, i)) {
        Serial.print("Found device ");
        Serial.print(i, DEC);
        Serial.print(" with address: ");
        printAddress(tempDeviceAddress);
        Serial.println();
      } else {
        Serial.print("Found ghost device at ");
        Serial.print(i, DEC);
        Serial.print(" but could not detect address. Check power and cabling");
      }
    }

  /*
    DeviceAddress temperatureSensorAddress;

    sensors.getAddress(temperatureSensorAddress, 0);

    Serial.print("Found device ");
    Serial.print(i, DEC);
    Serial.print(" with address: ");
    Serial.println(tempDeviceAddress)
    Serial.println();
    printAddress(tempDeviceAddress);
    Serial.println();
  */

  

  // FAN
  pinMode(FanPin, OUTPUT);
  analogWrite(FanPin, 0);
  analogWriteRange(255); // sets range fromn 0 - 255
  analogWriteFreq(10); // eliminates fan whine

  // pot for led
  pinMode(pot_pin, INPUT);

  // turn LED off
  pinMode(LED_IO_PIN, OUTPUT);
  digitalWrite(LED_IO_PIN, LOW);


  // led pmw
  pinMode(LED_PMW_PIN, OUTPUT);
  analogWrite(LED_PMW_PIN, LED_MIN);


}

void loop() {
  Serial.println("=========");
  
  // TEMP
  sensors.requestTemperatures();// Send the command to get temperatures
  numberOfDevices = sensors.getDeviceCount();
  for(int i=0;i<numberOfDevices; i++) {
    if(sensors.getAddress(tempDeviceAddress, i)) {
      temperature = sensors.getTempC(tempDeviceAddress);
      Serial.print(" Temp: ");
      Serial.print(temperature);
      Serial.println(" C");
    }
  } 
  
  /*
  // LED RELAY I/O
  Serial.print("LED: ");
  Serial.println(ledState);
  */
  
  Serial.print("LED Power: ");
  Serial.println(ledPower);


  if(Serial.available() > 0){   //check if any data was received
      RXdata = Serial.readString();
      Serial.println(RXdata);

      if (RXdata == "led_on") {
        ledState = "on";
        digitalWrite(LED_IO_PIN, HIGH);
      }

      if (RXdata == "led_off") {
        ledState = "off";
        digitalWrite(LED_IO_PIN, LOW);
      }

      if (RXdata == "led_min") {
        ledPower = "min";
        analogWrite(LED_PMW_PIN, LED_MIN);
      }

      if (RXdata == "led_med") {
        ledPower = "med";
        analogWrite(LED_PMW_PIN, LED_MED);
      }

      if (RXdata == "led_max") {
        ledPower = "max";
        analogWrite(LED_PMW_PIN, LED_MAX);
      }  

      if (RXdata == "led_man") {
        ledPower = "man";
      }       
                         
      if (RXdata == "led_off") {
        ledPower = "off";
        analogWrite(LED_PMW_PIN, LED_OFF);
      }                          
  }







/*

  if (sensors.getAddress(tempDeviceAddress, 0)) {
    temperature = sensors.getTempC(tempDeviceAddress);
    Serial.print("Temp C: ");
    Serial.println(temperature);
  } else {
    Serial.println("no temp for device: ");
    printAddress(tempDeviceAddress);
  }
*/

  analogWrite(FanPin, FAN_MAX);

/*
  // FAN  
    if (temperature < FAN_MIN_TRESHHOLD){
      analogWrite(FanPin, 0);
      Serial.println("off");
    }

    // 0 -> MED (MID is never actually used =)
    if (temperature >= FAN_MIN_TRESHHOLD && temperature < FAN_MED_TRESHHOLD){
      analogWrite(FanPin, FAN_MIN);
      Serial.println("low");
    }

    // med < temp < max
    if (temperature >= FAN_MED_TRESHHOLD && temperature < FAN_MAX_TRESHHOLD){
      analogWrite(FanPin, FAN_MED);
      Serial.println("med");
    }
    
    // temp > max
    if (temperature >= FAN_MAX_TRESHHOLD ){
      analogWrite(FanPin, FAN_MAX);
      Serial.println("high");
    }
    */


    // LED PWM

    /*  
      lower voltage -> higher output
      Led Brigthness = 1/pwm

      When ground is is disconnected, led output is maxed
      
      Adding 10k resistor between DIM+ and GRND lowers the maximum brightness of the led
      => higher resistance between DIM+ and DIM- -> lower output

      When arduino is turned off, brightness is minimized
      
      
      LED_LOW: 230
      LED_HIGH: 100 (reasonable max value for now. Let's check temps at this level before allowing higher levels)
    */

    if (ledPower == "man") {
      c2= analogRead(pot_pin); 
      c1= (1024-c2)/4;         // subtracts c2 from 1000 ans saves the result in c1
      Serial.print("POT: ");
      Serial.println(c1);
      analogWrite(LED_PMW_PIN, c1);
    } 


  delay(100);
}

// function to print a device address
void printAddress(DeviceAddress deviceAddress) {
  for (uint8_t i = 0; i < 8; i++) {
    if (deviceAddress[i] < 16) Serial.print("0");
    Serial.print(deviceAddress[i], HEX);
  }
}