ESP32 Forum

Code: Select all

/*CALIBRATION CODE
   -------------------------------
    pot  10cm * 4^2 * pi = 500ml
  +20  30ml  316
  +10  40ml  216
  +10  50ml  148
  +10  60ml  102
  +10  70ml   69
  +10  80ml   47
  +10  90ml   37
  +10  100ml  22
  +10  110ml  15  30oct
  +10  120ml  10
  +10  130ml   7
  +10  140ml   5

*/
//connect sensor to Analog A0
byte pinToRead = 34;    //input
// change with your threshold value
const int threshold = 20;

float store [100];
float  j = 10.0;
uint8_t increase = 0, data = 0;
uint8_t mean = 0;
uint8_t meanVal, val = 0, once = 0;
float  previousVal = 0;
char buff[7] = "";
String ww = "A string : ";

int fraction(float input) {
  if ( (input - (int)input)  > 0.5) {
    input += 1;
  }
  return ((int)input);
}

void  showThem() {
  float total = 0, doTheTrick = 0;
  String ww = "";
  for (int i = 0; i < j; i++) {
    Serial.print("store[i] ");
    Serial.print(i);
    Serial.print(" = ");
    Serial.println(store[i]);
    total += store[i];
  }
  Serial.print("      total : ");
  Serial.println(total);
  Serial.print("    moyenne : ");
  doTheTrick = fraction((total / j));
  Serial.println(doTheTrick);
  sprintf(buff, "Buff Moyenne = %d", (int)doTheTrick);
  Serial.println();
  Serial.println(buff);



  while (1) {}
}

void setup() {
  Serial.begin(115200); // or open serial port, set the baud rate as 9600 bps
  //vroom upload speed 921600
}
void loop() {
  //---------------------------------
  if (once < 1) {
    delay(6E2);//lets the device warm up after opening it
    once = 1;
    Serial.print("once done  ");
    Serial.println(6E5);
    Serial.println();
  }
  val = touchRead(pinToRead); //for esp32 vroom   carte Node32s upload speed 921600
  // val = analogRead(pinToRead); //connect sensor to Analog 11 or else
  delay(2000);// Sensor readings may also be up to 2 secs
  ////////////////////  esp32  begin
  if (val > threshold) {
    // turn LED on
    //digitalWrite(ledPin, HIGH);
    Serial.println(val > threshold);
  }
  else {
    // turn LED off
    // digitalWrite(ledPin, LOW);
    Serial.println("val < threshold");
  }
  /////////////////// esp32 end
  if (isnan(val)) {
    Serial.println("Failed to read from DHT");
  }
  Serial.print("data ");
  Serial.print(data);
  Serial.print(" : ");
  Serial.println(val);  //wake up
  if (data == j) {
    Serial.println();
    showThem();
    Serial.println();
  }

  store[data] = val;
  data++;
}

Code: Select all

#include "WiFi.h"
#include "AsyncUDP.h"

const char * ssid = "***";
const char * password = "***";

AsyncUDP udp;
float asoilmoist=analogRead(32);//global variable to store exponential smoothed soil moisture reading
float avbat=analogRead(35)/4096.0*7.445;//global variable to store Battery Voltage
#define uS_TO_S_FACTOR 1000000ULL  /* Conversion factor for micro seconds to seconds */
#define TIME_TO_SLEEP 600         /* Time ESP32 will go to sleep (in seconds) */

RTC_DATA_ATTR int battCount = 0; //Save BatteryCounter in RTC Memory not wiping it in Sleep


void setup()
{
    //Serial.begin(115200); //Serial Print Deactivated if not needed

    if (avbat < 3.3)  //BATTERY Low Voltage Check
    {
      while (battCount < 5) { //Check Z Times within normal Interval if Battery is Below Y
      battCount++;
      //Serial.println((String)"Batterie unter 3,3V"); //Debug Only
      //Serial.println((String)"Bat="+avbat); //Debug Only  
      //Serial.println((String)"BattCount="+battCount); //Debug Only
      esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP * uS_TO_S_FACTOR); //Go to Sleep for Time X  
      esp_deep_sleep_start(); //GOING into sleep!     
      }
    esp_deep_sleep_start(); //GOING into sleep without Timer, Never waking up!   
    }
    
    WiFi.mode(WIFI_STA);
    WiFi.begin(ssid, password);
    if (WiFi.waitForConnectResult() != WL_CONNECTED) {
        //Serial.println("WiFi Failed");
        while(1) {
            delay(1000);
        }
    }
    if(udp.connect(IPAddress(192,168,1,2), 8089)) //{//Open UDP to Target
    //Serial.println("UDP connected");}// Debug Only
    delay(50); //Needed cause sometimes no Delay = can't send UDP packages fast enough
    //Serial.println((String)"Pflanze1 Erdfeuchte="+asoilmoist); //Debug Only
    //Serial.println((String)"Pflanze1 Batterie="+avbat); //Debug Only
    udp.print((String)"Pflanze1 Erdfeuchte="+asoilmoist);
    udp.print((String)"Pflanze1 Batterie="+avbat);    
    delay(50); //Not really sure if needed....
    esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP * uS_TO_S_FACTOR); //Go to Sleep for Time X  
    esp_deep_sleep_start(); //GOING into sleep!   
    
}

void loop()
{

}