#include <ssd1306.h>
#include "Wire.h"
#define DS3231_I2C_ADDRESS 0x68 // Definition einer Konstanten
uint32_t time_ms;
uint32_t time1;
uint32_t time2;
const uint8_t Owl [] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06,
0x0A, 0x05, 0x0D, 0x01, 0x01, 0x03, 0x87, 0xFE, 0xFE, 0xFC, 0xF8, 0xF0, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x0E,
0x08, 0x0C, 0x0C, 0x0C, 0x0E, 0x0F, 0x0F, 0x07, 0x07, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xE0, 0x30,
0x98, 0xDE, 0xE6, 0xE7, 0xF7, 0xD7, 0xD6, 0x56, 0x56, 0xD7, 0xD7, 0x5F, 0xDF, 0x3F, 0x3F, 0x2F,
0x9F, 0xD7, 0xDF, 0x6F, 0x6B, 0x6B, 0x7F, 0xF7, 0xF3, 0xF3, 0xE0, 0xEC, 0x98, 0x30, 0xE0, 0x80,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x60, 0x70, 0x70, 0x60,
0x40, 0x60, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xC0, 0xC0, 0xE0, 0xF0, 0xE0, 0x40, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xFB, 0xE0,
0xDF, 0xB1, 0xEF, 0x5F, 0xB9, 0xB0, 0xA0, 0xE6, 0x6E, 0x2E, 0xB6, 0xB9, 0x9F, 0xAF, 0xA0, 0xA7,
0xBF, 0x99, 0xB6, 0xB6, 0xA6, 0xA6, 0xB0, 0xB0, 0xA9, 0xDF, 0xCF, 0xF0, 0x7F, 0x77, 0xFD, 0x01,
0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x08, 0xEE, 0xB3, 0x7D, 0xBE, 0x7F, 0xC7, 0x87, 0xB7,
0xB7, 0xB7, 0xCD, 0x7D, 0x83, 0x93, 0xFB, 0xCD, 0xB5, 0x35, 0xA5, 0x87, 0xCE, 0xFE, 0x1C, 0xF9,
0xC3, 0x1C, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x1F, 0x3F, 0x3C, 0x73,
0xEF, 0x9E, 0x7E, 0xFD, 0xFD, 0xED, 0xAD, 0xFD, 0xDD, 0xFF, 0xBF, 0xFF, 0x5F, 0xDF, 0xEF, 0xFF,
0xFF, 0xFF, 0x6F, 0xFF, 0xDF, 0xEF, 0xFD, 0xDD, 0xFD, 0xBC, 0xFE, 0x7E, 0xBF, 0xEF, 0x7B, 0x3E,
0x1F, 0x0F, 0x07, 0x00, 0x00, 0x0E, 0x1F, 0x3C, 0x77, 0x5F, 0x3D, 0x7D, 0xFB, 0xFB, 0x7A, 0xFA,
0xFE, 0xFE, 0xFE, 0xFE, 0xFF, 0xFF, 0x7E, 0xFE, 0xBF, 0xFD, 0xF5, 0xF5, 0xF6, 0xFA, 0xFB, 0xDF,
0x67, 0x78, 0x3C, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00,
0x60, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xC0, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x40, 0x00, 0x10, 0x38, 0x80, 0x00, 0x00, 0x80, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x81, 0x83, 0x83, 0x87, 0xE7, 0xEF, 0xEF, 0xEB, 0xFF, 0xF7, 0xDF,
0xFA, 0xFE, 0xFF, 0xEB, 0xEE, 0xEE, 0xE7, 0x67, 0x63, 0x61, 0x60, 0x60, 0x60, 0xE0, 0xE0, 0xE0,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x71, 0x73, 0x7B,
0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7E, 0x7F, 0x77, 0x76, 0x73, 0x73, 0x71, 0x71, 0x70, 0x71, 0x70,
0x70, 0x70, 0x70, 0x70, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF1, 0xF1, 0xF1, 0xE0, 0xE0,
0xE8, 0xEC, 0xEE, 0xE7, 0xE2, 0xE4, 0xE8, 0xD0, 0xE0, 0xE0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0,
0x10, 0x10, 0x10, 0x10, 0x1F, 0x13, 0xA1, 0xAD, 0xC8, 0x49, 0x47, 0x42, 0x40, 0xC0, 0xDC, 0x78,
0x60, 0x60, 0x20, 0x21, 0x31, 0x30, 0x11, 0x1A, 0x1B, 0x0B, 0x0D, 0x0C, 0x04, 0x06, 0x06, 0x06,
0x03, 0x03, 0x03, 0x13, 0x31, 0x71, 0x71, 0x61, 0x81, 0x81, 0x41, 0x20, 0x26, 0x0C, 0x1C, 0x30,
0x78, 0x00, 0x00, 0x84, 0xC4, 0x84, 0x84, 0x0C, 0x04, 0x02, 0x02, 0x01, 0x01, 0x07, 0x0E, 0x0E,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xE0, 0xE0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xE0, 0xC0, 0xC0, 0x00, 0x00, 0x81, 0x81, 0x81, 0x41, 0x41,
0x21, 0x21, 0x13, 0x13, 0x13, 0x03, 0x0B, 0x0B, 0x0B, 0x0F, 0x0F, 0x07, 0x07, 0x07, 0x07, 0x07,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x01, 0x00, 0x00, 0x06, 0x07, 0x03, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x0C, 0x40, 0xEE, 0x79,
0x35, 0x02, 0x08, 0x08, 0x04, 0x04, 0x02, 0x1F, 0x3D, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
0x04, 0x24, 0x00, 0x0D, 0x30, 0x31, 0x01, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x82, 0xC6, 0xC6, 0x36, 0x68, 0x44,
0xB4, 0xA0, 0x52, 0x62, 0x02, 0x02, 0x02, 0x00, 0x01, 0x03, 0x32, 0x7A, 0x3E, 0x1A, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x00, 0x1D, 0x3D, 0x1D, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// Convert normal decimal numbers to binary coded decimal
//-----------------------------------------------------------------------
byte decToBcd(byte val)
{
return( (val/10*16) + (val%10) );
}
// Convert binary coded decimal to normal decimal numbers
//-----------------------------------------------------------------------
byte bcdToDec(byte val)
{
return( (val/16*10) + (val%16) );
}
//-----------------------------------------------------------------------
void setup()
{
time_ms == millis();
time1 == millis();
time2 == millis();
ssd1306_128x64_i2c_init();
Wire.begin();
Serial.begin(9600);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
// set the initial time here:
// DS3231 seconds, minutes, hours, day, date, month, year
// setDS3231time(30,42,21,4,26,11,14);
}
//------------ sets time and date data to DS3231 --------------------------
void setDS3231time(byte second, byte minute, byte hour, byte dayOfWeek, byte dayOfMonth, byte month, byte year)
{
Wire.beginTransmission(DS3231_I2C_ADDRESS);
Wire.write(0); // set next input to start at the seconds register
Wire.write(decToBcd(second)); // set seconds
Wire.write(decToBcd(minute)); // set minutes
Wire.write(decToBcd(hour)); // set hours
Wire.write(decToBcd(dayOfWeek)); // set day of week (1=Sunday, 7=Saturday)
Wire.write(decToBcd(dayOfMonth)); // set date (1 to 31)
Wire.write(decToBcd(month)); // set month
Wire.write(decToBcd(year)); // set year (0 to 99)
Wire.endTransmission();
}
//-------------------------------------------------------------------------
void readDS3231time(byte *second, byte *minute, byte *hour, byte *dayOfWeek, byte *dayOfMonth, byte *month, byte *year)
{
Wire.beginTransmission(DS3231_I2C_ADDRESS);
Wire.write(0); // set DS3231 register pointer to 00h
Wire.endTransmission();
Wire.requestFrom(DS3231_I2C_ADDRESS, 7);
// request seven bytes of data from DS3231 starting from register 00h
*second = bcdToDec(Wire.read() & 0x7f);
*minute = bcdToDec(Wire.read());
*hour = bcdToDec(Wire.read() & 0x3f);
*dayOfWeek = bcdToDec(Wire.read());
*dayOfMonth = bcdToDec(Wire.read());
*month = bcdToDec(Wire.read());
*year = bcdToDec(Wire.read());
}
//-------------------------------------------------------------------------
void displayTime()
{
byte second, minute, hour, dayOfWeek, dayOfMonth, month, year;
// retrieve data from DS3231
readDS3231time(&second, &minute, &hour, &dayOfWeek, &dayOfMonth, &month,
&year);
// send it to the serial monitor
Serial.print(hour, DEC);
// convert the byte variable to a decimal number when displayed
Serial.print(":");
if (minute<10)
{
Serial.print("0");
}
Serial.print(minute, DEC);
Serial.print(":");
if (second<10)
{
Serial.print("0");
}
Serial.print(second, DEC);
Serial.print(" ");
Serial.print(dayOfMonth, DEC);
Serial.print("/");
Serial.print(month, DEC);
Serial.print("/");
Serial.print(year, DEC);
Serial.print(" Day of week: ");
switch(dayOfWeek){
case 1:
Serial.println("Sunday");
break;
case 2:
Serial.println("Monday");
break;
case 3:
Serial.println("Tuesday");
break;
case 4:
Serial.println("Wednesday");
break;
case 5:
Serial.println("Thursday");
break;
case 6:
Serial.println("Friday");
break;
case 7:
Serial.println("Saturday");
break;
}
}
//------------------------------------------------------------------------
void loop()
{
if ((millis() - time1) > 1000){
time1 = millis();
digitalWrite(7, HIGH);
digitalWrite(7, LOW);
displayTime();}
if ((millis() - time2) > 3000){
time2 = millis();
digitalWrite(8, HIGH);
digitalWrite(8, LOW);
displayTime();
}
if ((millis() - time1) > 1000){
ssd1306_clearScreen( );
ssd1306_drawSprite();
}
}
/* {
time_ms = millis();
displayTime();
}
//displayTime(); // display the real-time clock data on the Serial Monitor,
//Serial.println(millis());
// delay(1000); // every second
*/