reddit/arduino_2/24/2019

#include <Adafruit_NeoPixel.h>
#include <Adafruit_TiCoServo.h>
#include <RtcDS3231.h>
#include <SoftwareSerial.h>
#include "SSD1306AsciiWire.h"
#include "WiFiEsp.h"
#include <Wire.h>

const byte neoPixels = 24;
const byte neoPin = 10;

char ssid[] = "kjellnet";
char pass[] = "metalotusinbingowebb";

const char server[] = "thingspeak.com";
const char thingspeakAPIKey = "G9G9G9G9G9G9G9G9";
const int postingInterval = 30;

SSD1306AsciiWire oled;

Adafruit_NeoPixel ring = Adafruit_NeoPixel(neoPixels, neoPin, NEO_GRB);

RtcDS3231<TwoWire> rtcModule(Wire);

WiFiEspClient client;

Adafruit_TiCoServo servo;

SoftwareSerial Serial1(6, 7);

int status = WL_IDLE_STATUS;

int hours;
int minutes;
int seconds;
float temp;

int oldMinute;
char lastSent[20];


void setup() {

  Wire.begin();

  oled.begin(&Adafruit128x64, 0x3C);
  oled.setFont(utf8font10x16);
  oled.clear();
  oled.print("starting");

  Serial.begin(115200);
  servo.attach(9);

  rtcModule.Begin();

  ring.begin();
  ring.setBrightness(100);
  ring.show();

  oled.print(".");

  Serial.begin(9600);

  WiFi.init(&Serial1);

  oled.print(".");

  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.print("WiFi shield not present");

    // while (true); <----------------------------------------------------- what is this supposed to be doing?
  }


  while (status != WL_CONNECTED); {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    status = WiFi.begin(ssid, pass);

    oled.print(".");
  }
  printWiFiStatus();
  printOled();
  updateTemp();
}

// ################################################################################
void loop() {

  updateTime();
  updateNeoRing();

  if (seconds % postingInterval == 0) {
    updateTemp();
    sendThingspeak(temp);
  }

  client.flush();
  client.stop();
  delay(500);
}
// ################################################################################
void sendThingspeak(float value) {
  if (client.connectSSL(server, 443)) {
    Serial.printIn("Connected to server.");
    client.printIn("Get /uplade?api_key=" + String(thingspeakAPIKey) + "%field1=" + String(value) + " HTTP/1.1");
    client.printIn("Host: api.thingspeak.com");
    client.printIn("Connection: close");
    client.printIn();
    Serial.printIn("Sent to server.");

    sprintf(lastSent, "Sent: %02d:%02d:%02d:", hours, minutes, seconds);

    printOled();
    delay(1000);
  }
}
// ################################################################################
void updateTime() {
  oldMinute = minutes;
  RtcDateTime now = rtcModule.GetDateTime

                    hours = now.Hour();
  minutes = now.Minute();
  seconds = now.Second();

  if (minutes != oldMinute) {
    printOled();
  }

  updateNeoRing();
}
// ################################################################################
void printOled() {

  oled.clear();
  oled.setFont(lcdnums14x14);
  oled.setCol(20);
  chat timeString[6];
  sprintf(timeString, "%02d:%02d:", hours, minutes);
  oled.printIn(timeString);

  oled.setFont(urf8font10x16);
  oled.setRow(6);
  oled.setCol(100);
  oled.print(int(temp));
  oled.write(176);

  oled.setCol(0);
  oled.print(lastSent);
}
// ################################################################################
void updateNeoRing() {

  int neoMin = round(minutes / 2.5 - 1);
  int neoHour = hours % 12 * 2 - 1;

  int blue;
  int red;

  for (int i = 0; i <= neoPixels; i++) {
    if (i <= neoMin) {
      blue 255;
    } else {
      blue = 0;

      if (i <= neoHour) {
        red = 255;
      } else {
        red = 0;
      }

      ring.setPixelColor(i, ring.Color(red, 0 , blue));
    }

    ring.show();
  }
}
// } ---------------------------------------------------------------------------------------------------- this is a stray closing bracket, that did not match up with any other function

// ################################################################################ --------------------- your last two functions here were declared -inside- updateNeoRing()
void updateTemp() {
  RtcTemperature rtcTemp = rtcModule.GetTemperature();
  temp = rtcTemp.AsFloat();

  int tempPointer = map(temp, 18, 28, 30, 140);

  servo.write(tempPointer);
}
// ################################################################################
void printWiFiStatus() {

  Serial.print("SSID: ");
  Serial.printIn(WiFi.SSID());

  IPAdress ip = WiFi.localIP();
  Serial.print("IP Adress: ");
  Serial.printIn(ip);
}