gistfile1.txt

#include <Wire.h>
#include <Time.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#include <ESP8266WiFi.h>
#include <DS1302.h> // rst - pin 12 // io - pin 13 // scl - pin 14

#define BME_SCK 13
#define BME_MISO 12
#define BME_MOSI 11
#define BME_CS 10

#define SEALEVELPRESSURE_HPA (1013.25)

void send_data(float, float, float);
void print_sensors();
double convert_F (double);
void print_time();

uint8_t RST_PIN = 12; // RST pin attach to
uint8_t SDA_PIN = 13; // IO pin attach to
uint8_t SCL_PIN = 14; // clk Pin attach to

DS1302 rtc(RST_PIN, SDA_PIN, SCL_PIN); // create a variable type of DS1302
Adafruit_BME280 bme; // I2C
WiFiClient client;

char buf[50];
char day[10];

const char* ssid     = "Casetta";
const char* password = "11OctopiArms";
const char* server   = "api.thingspeak.com";
String apiKey        = "1H7DXSXHC280CSGJ";

double tempF         = 0;
double pressure      = 0;
double humidity      = 0;
bool status          = 0;

unsigned long delayTime;

void setup() {
  Serial.begin(115200);

  rtc.writeProtect(false);
  rtc.halt(false);

  // Make a new time object to set the date and time.
  Time t(2017, 6, 17, 9, 38, 50, Time::kSunday);

  // Set the time and date on the chip.
  rtc.time(t);
  print_time();
  // default settings
  status = bme.begin();
  if (!status) {
    Serial.println("Could not find a valid BME280 sensor, check wiring!");
    while (1);
  }

  Serial.println("-- Default Test --");
  delayTime = 10000; // 10 seconds

  Serial.println();
  Serial.println();
  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());

  delay(1000);
}

void loop() {
  
  delayTime = 3000;

  tempF = convert_F(bme.readTemperature());
  pressure = (bme.readPressure() / 1000.0F);//kPa
  humidity = bme.readHumidity();

  send_data(tempF, humidity, pressure);
  print_sensors();
  print_time();

  Serial.println();
  
  delay(delayTime);
}

void send_data(float temp1, float humid, float pressu) {

  if (client.connect(server, 80)) {
    String postStr = apiKey;
    postStr += "&field1=";
    postStr += String(temp1);
    postStr += "&field2=";
    postStr += String(humid);
    postStr += "&field3=";
    postStr += String(pressu);
    postStr += "\r\n\r\n";

    client.print("POST /update HTTP/1.1\n");
    client.print("Host: api.thingspeak.com\n");
    client.print("Connection: close\n");
    client.print("X-THINGSPEAKAPIKEY: " + apiKey + "\n");
    client.print("Content-Type: application/x-www-form-urlencoded\n");
    client.print("Content-Length: ");
    client.print(postStr.length());
    client.print("\n\n");
    client.print(postStr);

    Serial.println("BME280 Temperature: ");
    Serial.print(temp1);
    Serial.print(" degrees Fahrenheit, Humidity: ");
    Serial.print(humid);
    Serial.print(" %, & Pressure: ");
    Serial.print(pressu);
    Serial.println(" hPa sent to Thingspeak");
    Serial.println("");
  }
  else {
    Serial.println("Connection error");
  }

  client.stop();
}

void print_time() {
  /* Get the current time and date from the chip */
  Time t = rtc.time();
  /* Name the day of the week */
  memset(day, 0, sizeof(day));
  switch (t.day) {
    case 1: 
    strcpy(day, "Sun"); 
    break;
    case 2: 
    strcpy(day, "Mon"); 
    break;
    case 3: 
    strcpy(day, "Tue"); 
    break;
    case 4: 
    strcpy(day, "Wed"); 
    break;
    case 5: 
    strcpy(day, "Thu"); 
    break;
    case 6: 
    strcpy(day, "Fri"); 
    break;
    case 7: 
    strcpy(day, "Sat"); 
    break;
  }
  /* Format the time and date and insert into the temporary buffer */
  snprintf(buf, sizeof(buf), "%s %04d-%02d-%02d %02d:%02d:%02d", day, t.yr, t.mon, t.date, t.hr, t.min, t.sec);
  /* Print the formatted string to serial so we can see the time */
  Serial.println(buf);
}

void print_sensors() {

  Serial.print("Temperature(F) = ");
  Serial.print(convert_F(bme.readTemperature()));
  Serial.println(" *F");

  Serial.print("Pressure = ");

  Serial.print(bme.readPressure() / 100.0F);
  Serial.println(" hPa");

  Serial.print("Approx. Altitude = ");
  Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
  Serial.println(" m");

  Serial.print("Humidity = ");
  Serial.print(bme.readHumidity());
  Serial.println(" %");

  Serial.println();
}

double convert_F (double c) {
  double fahr;
  fahr = (c * 9.0) / 5.0 + 32;
  return fahr;
}