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MiniClock.ino
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MiniClock.ino
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#include <Arduino.h>
#include <U8g2lib.h>
#include <U8x8lib.h>
#include <SPI.h>
#include <Wire.h>
#include <ezTime.h>
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
/* This code is guaranteed nasty.
* Written by Jaap-Willem Dooge / DoogeJ / NoxiousPluK
* https://github.com/DoogeJ/MiniClock
* August 1, 2020
*
* Released under Zlib license:
* https://github.com/DoogeJ/MiniClock/blob/master/licence.txt
*/
const char *ssid = "Your SSID";
const char *password = "Your Password";
bool colon = true;
String timeString;
String dateString;
U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0);
Timezone Netherlands;
int count = 1;
void setup()
{
WiFi.begin(ssid, password);
waitForSync();
Netherlands.setLocation("Europe/Amsterdam");
Wire.pins(0, 2); // set GPIO 0 as SDA, GPIO 2 as SCL
Wire.begin();
u8g2.begin();
}
void loop()
{
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_open_iconic_all_4x_t);
if (count < 6)
{
//handle time
u8g2.drawStr(0, 32, "{"); // clock icon
u8g2.setFont(u8g2_font_inr16_mn);
if (colon)
{
timeString = Netherlands.dateTime("H:i");
colon = false;
}
else
{
timeString = Netherlands.dateTime("H i");
colon = true;
}
char __timeString[sizeof(timeString)];
timeString.toCharArray(__timeString, sizeof(__timeString));
u8g2.drawStr(48, 24, __timeString);
}
else
{
//handle date
u8g2.drawStr(0, 32, "k"); // calendar icon
u8g2.setFont(u8g2_font_inr16_mn);
dateString = Netherlands.dateTime("d-m");
char __dateString[sizeof(dateString)];
dateString.toCharArray(__dateString, sizeof(__dateString));
u8g2.drawStr(48, 24, __dateString);
if (count > 9)
{
count = 0;
}
}
u8g2.sendBuffer();
delay(1000);
events(); //this makes sure that ezTime occasionally updates the internal timer
count++;
}