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Splatink
417
main.cpp
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417
main.cpp
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#include <Arduino.h>
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#include <Adafruit_Sensor.h>
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#include <Wire.h>
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#include <U8g2lib.h>
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#include <WiFi.h>
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#include <WiFiUdp.h>
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#include <NTPClient.h>
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#include <pico/stdlib.h>
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#include <Adafruit_BME280.h>
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#define SCK 17
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#define SDA 16
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#define SUMMER 18
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#define BATT A1
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#define BUTTON 14
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U8G2_SH1106_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, U8X8_PIN_NONE);
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const char* ssid = "Limbo";
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const char* password = "95H2O862U235@#";
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bool lpmode, debugmode;
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WiFiUDP ntpUDP;
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NTPClient timeClient(ntpUDP, "gr.pool.ntp.org", 0, 1296000000);
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Adafruit_BME280 bme;
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void serialDebugInfo(float firmwareVersion, float batteryVoltage, float batteryPrecentage, int wifiRSSI, int wifiStatus, const char* day, bool brightness, float temperature, float humidity, float pressure, bool disconnected)
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{
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Serial1.print("Firmware Version: ");
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Serial1.println(firmwareVersion, 1);
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Serial1.print("Battery Voltage: ");
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Serial1.println(batteryVoltage, 1);
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Serial1.print("Battery Precentage: ");
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Serial1.println(batteryPrecentage, 0);
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Serial1.print("WiFi RSSI: ");
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Serial1.println(wifiRSSI);
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Serial1.print("WiFi Status: ");
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Serial1.println(wifiStatus);
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Serial1.print("Day: ");
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Serial1.println(day);
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Serial1.print("Brightness: ");
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if (brightness == true)
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{
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Serial1.println("LOW");
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}
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else
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{
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Serial1.println("HIGH");
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}
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Serial1.print("Manually Disconnected WiFi: ");
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if (disconnected == false)
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{
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Serial1.println("NO");
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}
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else
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{
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Serial1.println("YES");
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}
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Serial1.print("Low Power Mode: ");
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if (lpmode == false)
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{
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Serial1.println("INACTIVE");
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}
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else
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{
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Serial1.println("ACTIVE");
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}
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Serial1.print("Temperature: ");
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Serial1.print(temperature, 1);
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Serial1.println(" C");
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Serial1.print("Humidity: ");
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Serial1.print(humidity, 1);
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Serial1.println(" %");
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Serial1.print("Pressure: ");
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Serial1.print((pressure * 0.01), 1);
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Serial1.println(" hPa");
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Serial1.println("");
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}
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int batteryReader()
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{
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static int battery, readings, batterya;
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int batteryv = analogRead(BATT);
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batterya = batterya + batteryv;
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readings++;
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if (readings >= 10)
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{
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battery = batterya / 10;
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batterya = 0;
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readings = 0;
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}
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return battery;
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}
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float getBatteryVoltage(int battery)
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{
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float battv = (battery * 3.3 / 4095) * 2;
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return battv;
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}
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float getBatteryPrecentage(float battv)
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{
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float battp = (battv - 2.5) / (4.2 - 2.5) * 100;
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if (battp <= 0)
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{
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battp = 1;
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}
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if (battp > 99)
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{
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lpmode = false;
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}
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else
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{
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lpmode = true;
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}
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return battp;
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}
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int getWifiRSSI()
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{
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static int RSSI, RSSIavg, readings;
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int rssir = WiFi.RSSI();
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RSSIavg = RSSIavg + rssir;
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readings++;
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if (readings >= 10)
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{
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RSSI = RSSIavg / 10;
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RSSIavg = 0;
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readings = 0;
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}
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return RSSI;
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}
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int getWifiStatus(int RSSI){
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int wifiStatus;
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if (RSSI >= -55 && WiFi.status() == WL_CONNECTED)
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{
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wifiStatus = 0;
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}
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else if (RSSI >= -67 && WiFi.status() == WL_CONNECTED)
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{
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wifiStatus = 1;
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}
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else if (RSSI >= -90 && WiFi.status() == WL_CONNECTED)
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{
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wifiStatus = 2;
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}
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else if (WiFi.status() != WL_CONNECTED && lpmode == true)
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{
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wifiStatus = 3;
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}
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else
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{
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wifiStatus = 4;
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WiFi.begin(ssid, password);
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}
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return wifiStatus;
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}
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const char* getDay(int dayInt)
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{
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const char* day;
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switch (dayInt)
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{
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case 0:
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day = "Sun";
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break;
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case 1:
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day = "Mon";
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break;
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case 2:
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day = "Tue";
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break;
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case 3:
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day = "Wed";
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break;
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case 4:
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day = "Thu";
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break;
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case 5:
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day = "Fri";
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break;
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case 6:
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day = "Sat";
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break;
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}
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return day;
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}
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bool checkBrightness()
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{
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static bool brightness = lpmode;
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if (digitalRead(BUTTON) == true)
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{
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brightness = !brightness;
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}
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return brightness;
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}
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float readTemperature()
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{
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static int counter;
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float temp = bme.readTemperature();
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static float tempAvg, returnTempAvg;
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tempAvg = tempAvg + temp;
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counter++;
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if (counter >= 10)
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{
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returnTempAvg = tempAvg / 10;
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tempAvg = 0;
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counter = 0;
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}
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return returnTempAvg;
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}
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float readHumidity()
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{
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static int counter;
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float hum = bme.readHumidity();
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static float humAvg, returnHumAvg;
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humAvg = humAvg + hum;
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counter++;
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if (counter >= 10)
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{
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returnHumAvg = humAvg / 10;
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humAvg = 0;
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counter = 0;
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}
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return returnHumAvg;
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}
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void displayClock(const char *day, float battp, int wifiStatus, int hour, int minute, bool brightness, float temp, float hum)
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{
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static bool blink;
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u8g2.clearBuffer();
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u8g2.setFont(u8g2_font_spleen16x32_mn);
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if (hour < 10)
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{
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u8g2.setCursor(24, 41);
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u8g2.print("0");
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u8g2.setCursor(40, 41);
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u8g2.print(hour);
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}
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else
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{
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u8g2.setCursor(24, 41);
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u8g2.print(hour);
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}
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u8g2.setCursor(56, 41);
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switch (blink)
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{
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case true:
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u8g2.print(":");
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break;
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case false:
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u8g2.print("");
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break;
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}
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if (minute < 10)
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{
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u8g2.setCursor(72, 41);
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u8g2.print("0");
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u8g2.setCursor(88, 41);
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u8g2.print(minute);
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}
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else
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{
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u8g2.setCursor(72, 41);
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u8g2.print(minute);
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}
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u8g2.setFont(u8g2_font_7x14_mf);
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u8g2.setCursor(0, 60);
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u8g2.print(day);
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u8g2.setFont(u8g2_font_siji_t_6x10);
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switch (wifiStatus)
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{
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case 0:
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u8g2.drawGlyph(0, 10, 57882);
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break;
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case 1:
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u8g2.drawGlyph(0, 10, 57881);
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break;
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case 2:
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u8g2.drawGlyph(0, 10, 57880);
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break;
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case 3:
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u8g2.drawGlyph(0, 10, 57907);
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break;
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case 4:
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u8g2.drawGlyph(0, 10, 57879);
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break;
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}
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if (battp < 99)
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{
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if (battp >= 70)
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{
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u8g2.drawGlyph(92, 10, 57487);
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}
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else if (battp >= 30)
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{
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u8g2.drawGlyph(92, 10, 57486);
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}
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else
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{
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u8g2.drawGlyph(92, 10, 57485);
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}
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u8g2.setCursor(104, 10);
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u8g2.print(battp, 0);
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u8g2.drawStr(116, 10, "%");
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}
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else
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{
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u8g2.drawGlyph(116, 10, 57409);
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}
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u8g2.drawGlyph(44, 10, 57550);
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u8g2.setCursor(56, 10);
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u8g2.print(temp, 1);
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u8g2.drawGlyph(44, 60, 57549);
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u8g2.setCursor(56, 60);
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u8g2.print(hum, 1);
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switch (brightness)
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{
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case false:
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u8g2.setContrast(255);
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u8g2.drawGlyph(114, 60, 57794);
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break;
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case true:
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u8g2.setContrast(50);
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u8g2.drawGlyph(114, 60, 57795);
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break;
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}
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blink = !blink;
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u8g2.sendBuffer();
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}
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void setup()
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{
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pinMode(SUMMER, INPUT_PULLDOWN);
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pinMode(BUTTON, INPUT_PULLDOWN);
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analogReadResolution(12);
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Wire.setSCL(SCK);
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Wire.setSDA(SDA);
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WiFi.mode(WIFI_STA);
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WiFi.hostname("pico-clock");
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED)
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{
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delay(500);
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}
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Wire.begin();
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u8g2.begin();
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timeClient.begin();
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bme.begin(0x76);
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if (digitalRead(SUMMER) == 1)
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{
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timeClient.setTimeOffset(10800); //UTC+3
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}
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else
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{
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timeClient.setTimeOffset(7200); //UTC+2
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}
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for (int i = 0; i < 10; i++)
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{
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getBatteryPrecentage(getBatteryVoltage(batteryReader()));
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getWifiRSSI();
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}
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if (digitalRead(BUTTON) == true)
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{
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Serial1.setTX(0);
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Serial1.setRX(1);
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Serial1.begin(115200);
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debugmode = true;
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}
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}
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void loop()
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{
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static bool disconnected = false;
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static int counter = 29;
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timeClient.update();
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const char* day = getDay(timeClient.getDay());
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float batteryVoltage = getBatteryVoltage(batteryReader());
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float batteryPrecentage = getBatteryPrecentage(batteryVoltage);
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int wifiRSSI = getWifiRSSI();
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int wifiStatus = getWifiStatus(wifiRSSI);
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int hours = timeClient.getHours();
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int minutes = timeClient.getMinutes();
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bool brightness = checkBrightness();
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float temperature = readTemperature();
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float humidity = readHumidity();
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displayClock(day, batteryPrecentage, wifiStatus, hours, minutes, brightness, temperature, humidity);
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if (debugmode == true && counter >= 30)
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{
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float pressure = bme.readPressure();
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serialDebugInfo(2.2 ,batteryVoltage, batteryPrecentage, wifiRSSI, wifiStatus, day, brightness, temperature, humidity, pressure, disconnected);
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counter = 0;
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}
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counter++;
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sleep_ms(1000);
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if (lpmode == true && disconnected == false)
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{
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WiFi.disconnect();
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set_sys_clock_khz(20000, true);
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disconnected = true;
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}
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}
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@@ -1,5 +1,9 @@
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**CHANGELOG:**
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2.2:
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* Changed baudrate to standard 115200 baud
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* Added a firmware version printout to serial
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2.1:
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* Added a serial debugging mode. This mode is activated if the BUTTON is held at bootup. Serial debugging info (variables) are output on GPIO0(TX) at 9600 baud every 30 seconds.
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* All functions are now called seperately and their return values placed in variables to be given to displayClocl() and serialDebugInfo()
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