Термометр & гигрометр на ATMEGA 328P-MU - Поднимаем уровень ARDUINO разработок.

#include <Wire.h>
#include "DFRobot_SHT20.h"
DFRobot_SHT20    sht20; // https://github.com/DFRobot/DFRobot_SHT20

#define MY_DEBUG
//#define MY_DISABLED_SERIAL
#define MY_RADIO_RF24
#define MY_PASSIVE_NODE
#define MY_NODE_ID 200
#define MY_PARENT_NODE_ID 0
#define MY_PARENT_NODE_IS_STATIC
#define MY_TRANSPORT_UPLINK_CHECK_DISABLED
//#define MY_OTA_FIRMWARE_FEATURE
//#define MY_SIGNING_ATSHA204
//#define MY_SIGNING_ATSHA204_PIN A3
//#define MY_SIGNING_REQUEST_SIGNATURES

#define TEMP_SENS_ID 1
#define HUM_SENS_ID 2
#define SETTING_LED_SENS_ID 100
#define DELAY_TIME_SENS_ID 101
#define BATTARY_SEND_SENS_ID 102
#define BATTARY_DATA_SENS_ID 103

#define BAT_COOF 3.04
#define BAT_MIN 195
#define BAT_MAX 295
#define ON 1
#define OFF 0

float humd;
float temp;
float oldhumd;
float oldtemp;
float tempThreshold = 0.5;
float humThreshold = 10.0;
static uint32_t lightMillis;
static uint32_t previousMillis;
uint32_t send_batteryTime;
uint32_t w_battetyTime = 0;
static uint8_t led_pin = 4;
static uint8_t mode_pin = 2; // interrupt
uint32_t delayTime;
int8_t battery;
int8_t old_battery;
uint8_t set_led;
boolean sleep_mode;
boolean configMode = 0;
int8_t timer_status = 0;
bool flag_mode_button = 0;
bool sleep_flag = 0;
bool listen_flag = 0;

#include <MySensors.h>

MyMessage msg_temp(TEMP_SENS_ID, V_TEMP);
MyMessage msg_hum(HUM_SENS_ID, V_HUM);
MyMessage msg_setting_led(SETTING_LED_SENS_ID, V_VAR1);
MyMessage msg_delay_time(DELAY_TIME_SENS_ID, V_VAR1);
MyMessage msg_battary_send(BATTARY_SEND_SENS_ID, V_VAR1);
MyMessage powerMsg(BATTARY_DATA_SENS_ID, V_VAR1);

void preHwInit()
{
  pinMode(led_pin, OUTPUT);
  digitalWrite(led_pin, OFF);
  pinMode(mode_pin, INPUT_PULLUP);
}

void before()
{
  set_led = loadState(100);
  if (set_led > 1) {
    set_led = 1;
    saveState(100, set_led);
  }
  delayTime = loadState(101);
  if (delayTime > 60) {
    delayTime = 3;
    saveState(101, delayTime);
  }
  send_batteryTime = loadState(102);
  if (send_batteryTime > 48) {
    send_batteryTime = 6;
    saveState(102, send_batteryTime);
  }


  digitalWrite(led_pin, ON);
}


void presentation()
{
  sendSketchInfo("Temp & Hum Sensor CR2477", "1.0");
  wait(100);
  present(TEMP_SENS_ID, S_TEMP, "TEMPERATURE DATA");
  wait(100);
  present(HUM_SENS_ID, S_HUM, "HUMIDITY DATA");
  wait(100);
  present(SETTING_LED_SENS_ID, S_CUSTOM, "LED MODE");
  wait(100);
  present(DELAY_TIME_SENS_ID, S_CUSTOM, "DELAY TIME/MIN");
  wait(100);
  present(BATTARY_SEND_SENS_ID, S_CUSTOM, "BATTERY SEND TIME/H");
  wait(100);
  present(BATTARY_DATA_SENS_ID, S_CUSTOM, "BATTERY DATA");
}

void setup()
{
  //attachInterrupt(0, configListener, RISING);
  digitalWrite(led_pin, OFF);
  wait(500);
  digitalWrite(led_pin, ON);
  wait(75);
  digitalWrite(led_pin, OFF);
  wait(50);
  digitalWrite(led_pin, ON);
  wait(75);
  digitalWrite(led_pin, OFF);
  wait(50);
  digitalWrite(led_pin, ON);
  wait(75);
  digitalWrite(led_pin, OFF);
  TRANSPORT_DEBUG(PSTR("MyS: OPERATING MODE\n"));
  wait(100);
  readBatLev();
  wait(100);
  sht20.initSHT20();
  wait(100);
  send_data();
  wait(100);
  send(msg_delay_time.set(delayTime));
  wait(100);
  send(msg_setting_led.set(set_led));
  wait(100);
  send(msg_battary_send.set(send_batteryTime));
}

void loop()
{
  if (configMode == 0) {



    if (sleep_flag == 0) {
      timer_status = sleep(digitalPinToInterrupt(mode_pin), FALLING, delayTime * 60 * 1000, false);
      //timer_status = sleep(digitalPinToInterrupt(mode_pin), RISING, delayTime * 60 * 1000, false);
      sleep_flag = 1;
    }
    if (timer_status == -1) {

      w_battetyTime = w_battetyTime + (delayTime * 60 * 1000);

      if (w_battetyTime >= send_batteryTime * 60 * 60 * 1000) {
        readBatLev();
        w_battetyTime = 0;
      }
      send_data();
      sleep_flag = 0;
    }
    if (timer_status == 0) {
      if (digitalRead(2) == LOW && flag_mode_button == 0) //если кнопка нажата
      {
        flag_mode_button = 1;
        previousMillis = millis();
        wait(50);
      }
      if (digitalRead(2) == LOW && flag_mode_button == 1) {
        if ((millis() - previousMillis > 0) && (millis() - previousMillis <= 2000)) {
          if (millis() - lightMillis > 50)    {
            lightMillis = millis();
            digitalWrite(led_pin, !digitalRead(led_pin));
          }
        }
        if ((millis() - previousMillis > 2000) && (millis() - previousMillis <= 2500)) {
          digitalWrite(led_pin, OFF);
        }
        if ((millis() - previousMillis > 2500) && (millis() - previousMillis <= 4500)) {
          if (millis() - lightMillis > 25)    {
            lightMillis = millis();
            digitalWrite(led_pin, !digitalRead(led_pin));
          }
        }
        if (millis() - previousMillis > 4500) {
          digitalWrite(led_pin, OFF);
        }
      }
      if (digitalRead(2) == HIGH && flag_mode_button == 1) //если кнопка НЕ нажата
      {
        if ((millis() - previousMillis > 0) && (millis() - previousMillis <= 2000)) {
          configMode = !configMode;
          flag_mode_button = 0;
          TRANSPORT_DEBUG(PSTR("MyS: CONFIGURATION MODE\n"));
          sleep_flag = 0;
          digitalWrite(led_pin, OFF);
        }
        if ((millis() - previousMillis > 2000) && (millis() - previousMillis <= 2500)) {
          flag_mode_button = 0;
          sleep_flag = 0;
        }
        if ((millis() - previousMillis > 2500) && (millis() - previousMillis <= 4500))
        {
          flag_mode_button = 0;
          sleep_flag = 0;
          digitalWrite(led_pin, OFF);
        }
        if (millis() - previousMillis > 4500) {
          flag_mode_button = 0;
          sleep_flag = 0;
          wait(50);
        }
      }
    }
  } else {
    if (listen_flag == 0) {
      RF24_startListening();
      listen_flag = 1;
    }
    if (millis() - lightMillis > 1000) {
      lightMillis = millis();
      digitalWrite(led_pin, !digitalRead(led_pin));
    }
    if (digitalRead(2) == LOW && flag_mode_button == 0) //если кнопка нажата
    {
      flag_mode_button = 1;
      //previousMillis = millis();
      wait(50);
    }
    if (digitalRead(2) == LOW && flag_mode_button == 1) {
      
    }
    if (digitalRead(2) == HIGH && flag_mode_button == 1) //если кнопка НЕ нажата
    {
       
      configMode = !configMode;
      listen_flag = 0;
      flag_mode_button = 0;
      TRANSPORT_DEBUG(PSTR("MyS: OPERATING MODE\n"));
      digitalWrite(led_pin, OFF);
      wait(50);
    }
  }
}



void receive(const MyMessage & message)
{
  if (message.sensor == SETTING_LED_SENS_ID) {
    if (message.type == V_VAR1) {
      if (message.getByte() <= 1) {
        set_led = message.getBool();
        saveState(100, set_led);
        send(msg_setting_led.set(set_led));
        if (set_led == 0) {
          TRANSPORT_DEBUG(PSTR("MyS: STATUS LED: OFF\n"));
        }
        if (set_led == 1) {
          TRANSPORT_DEBUG(PSTR("MyS: STATUS LED: ON\n"));
          if (set_led == 1) {
            digitalWrite(led_pin, ON);
            wait(50);
            digitalWrite(led_pin, OFF);
          }
        }
      }
    }
  }
  if (message.sensor == DELAY_TIME_SENS_ID) {
    if (message.type == V_VAR1) {
      if (message.getULong() <= 60 && message.getULong() != 0) {
        delayTime = message.getULong();
        saveState(101, delayTime);
        send(msg_delay_time.set(delayTime));
        TRANSPORT_DEBUG(PSTR("MyS: THE NEW INTERVAL TEMP&HUM SEND VALUE IS SET: %d MIN.\n"), delayTime);
        if (set_led == 1) {
          digitalWrite(led_pin, ON);
          wait(50);
          digitalWrite(led_pin, OFF);
        }
      } else if (message.getULong() > 60) {
        delayTime = 60;
        saveState(101, delayTime);
        send(msg_delay_time.set(delayTime));
        TRANSPORT_DEBUG(PSTR("MyS: THE NEW INTERVAL TEMP&HUM SEND VALUE IS SET: %d MIN.\n"), delayTime);
        if (set_led == 1) {
          digitalWrite(led_pin, ON);
          wait(50);
          digitalWrite(led_pin, OFF);
        }
      } else if (message.getULong() == 0) {
        delayTime = 1;
        saveState(101, delayTime);
        send(msg_delay_time.set(delayTime));
        TRANSPORT_DEBUG(PSTR("MyS: THE NEW INTERVAL TEMP&HUM SEND VALUE IS SET: %d MIN.\n"), delayTime);
        if (set_led == 1) {
          digitalWrite(led_pin, ON);
          wait(50);
          digitalWrite(led_pin, OFF);
        }
      }
    }
  }
  if (message.sensor == BATTARY_SEND_SENS_ID) {
    if (message.type == V_VAR1) {
      if (message.getULong() <= 168) {
        send_batteryTime = message.getULong();
        saveState(102, send_batteryTime);
        send(msg_battary_send.set(send_batteryTime));
        TRANSPORT_DEBUG(PSTR("MyS: THE NEW INTERVAL BATTERY SEND IS SET: %d HOUR\n"), send_batteryTime);
        if (set_led == 1) {
          digitalWrite(led_pin, ON);
          wait(50);
          digitalWrite(led_pin, OFF);
        }
      }
    }
  }
}

void send_data()
{
  humd = sht20.readHumidity();
  temp = sht20.readTemperature();
  int t_humd = (int)humd;
  int t_temp = (int)temp;
  if (abs(temp - oldtemp) >= tempThreshold) {
    send(msg_temp.set(temp, 1));
    oldtemp = temp;
    if (set_led == 1) {
      digitalWrite(led_pin, ON);
      wait(50);
      digitalWrite(led_pin, OFF);
    }
  }
  wait(100);
  if (abs(humd - oldhumd) >= humThreshold) {
    send(msg_hum.set(humd, 1));
    oldhumd = humd;
    if (set_led == 1) {
      digitalWrite(led_pin, ON);
      wait(50);
      digitalWrite(led_pin, OFF);
    }
  }
  TRANSPORT_DEBUG(PSTR("MyS: DATA - TEMPERATURE: %d, HUMIDITY %d\n"), t_temp, t_humd);
}


void readBatLev() {
  ADMUX = _BV(REFS1) | _BV(REFS0) | _BV(MUX0);
  wait(100);
  RF24_startListening();
  wait(200);
  ADCSRA |= _BV(ADSC);
  while (bit_is_set(ADCSRA, ADSC));
  uint8_t low  = ADCL;
  uint8_t high = ADCH;
  long temp = (high << 8) | low;
  float vcc = temp * 1.1 / 1023 * BAT_COOF * 100;
  battery = map((int)vcc, BAT_MIN, BAT_MAX, 0, 100);
  if (battery < 0) {
    battery = 0;
  }
  if (battery > 100) {
    battery = 100;
  }
  TRANSPORT_DEBUG(PSTR("MyS: BATTERY LEVEL: %d, PREVIUS BATTERY LEVEL: %d\n"), battery, old_battery);
  TRANSPORT_DEBUG(PSTR("MyS: BATTERY LEVEL ADC: %d\n"), temp);

  /*
    if (old_battery != battery) {
      if (battery < old_battery) {
        old_battery = battery;
        wait(100);
        sendBatteryLevel(battery);
        wait(100);
        send(powerMsg.set(temp));
        TRANSPORT_DEBUG(PSTR("MyS: SEND BATTERY LEVEL\n"));
      } else {
        battery = old_battery;
      }
    }
  */
  wait(100);
  sendBatteryLevel(battery);
  wait(100);
  send(powerMsg.set(temp));
  TRANSPORT_DEBUG(PSTR("MyS: SEND BATTERY LEVEL\n"));
}