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Maxim Integrated DS3231MPMB1 Peripheral Module
LCD 12864 ST7920
| Rotary Encoder with Push-Button
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code
#include <Wire.h>
#include "RTClib.h"
#include <Encoder.h> // from http://www.pjrc.com/teensy/td_libs_Encoder.html
Encoder knob(3, 2); //encoder connected to pins 2 and 3 (and ground)
#if defined(ARDUINO_ARCH_SAMD)
// for Zero, output on USB Serial console, remove line below if using programming port to program the Zero!
#define Serial SerialUSB
#endif
RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
//char daysOfTheWeek[7][12] = {"Duminica", "Luni", "Marti", "Miercuri", "Joi", "Vineri", "Sambata"};
#include "U8glib.h"
// setup u8g object, please remove comment from one of the following constructor calls
// IMPORTANT NOTE: The complete list of supported devices is here: http://code.google.com/p/u8glib/wiki/device
// U8GLIB_ST7920_128X64_1X u8g(13, 11, 10); // SPI Com: SCK = en = 13, MOSI = rw = 11, CS = di = 10
// se orginal code for your LCD!!!!!!
//U8GLIB_KS0108_128 u8g(8, 9, 10, 11, 4, 5, 6, 7, 13, 2, 3, A5, 12); // 8Bit Com: D0..D7: 8,9,10,11,4,5,6,7 en=18, cs1=14, cs2=15,di=17,rw=16
U8GLIB_ST7920_128X64_1X u8g(7, 6, 5 ,8); //Enable, RW, RS, RESET
int X = 0;
int Y = 0;
int I = 0;
int X2 = 0;
int Y2 = 0;
int X3 = 0;
int Y3 = 0;
int Timer = 0;
int Minutt = 0;
int Sekund = 0;
float Vinkel = 0;
int an = 0;
int luna = 0;
int zi = 0;
int zis = 0;
int ScreenWith = 128;
int ScreenWithC = 64;
int ScreenHeight = 64;
int ScreenHeightC = 32;
int yArray[128];
int deics = ScreenWith/4;
int deigrec = 14;
int deics2 = 0;
int de = 10;
//the variables provide the holding values for the set clock routine
int setyeartemp;
int setmonthtemp;
int setdaytemp;
int setoretemp;
int setzitemp;
int setminstemp;
int setsecs = 0;
int maxday; // maximum number of days in the given month
int TimeMins; // number of seconds since midnight
int TimerMode = 2; //mode 0=Off 1=On 2=Auto
int TimeOut = 10;
int TimeOutCounter;
// These variables are for the push button routine
int buttonstate = 0; //flag to see if the button has been pressed, used internal on the subroutine only
int pushlengthset = 1500; // value for a long push in mS
int pushlength = pushlengthset; // set default pushlength
int pushstart = 0;// sets default push value for the button going low
int pushstop = 0;// sets the default value for when the button goes back high
int knobval; // value for the rotation of the knob
boolean buttonflag = false; // default value for the button flag
#define buton 4
//char s[3] = "";
#include <stdlib.h>
char tmp_string[8];
void draw(void) {
// graphic commands to redraw the complete screen should be placed here
// u8g.setFont(u8g_font_6x10);
//u8g.setFont(u8g_font_osb21);
TegnKlokkeBg();
DateTime now = rtc.now();
TegnViser(Timer-1, 12.0, 15); // Omdreinig, Omdreiningstall / omdreining, radius
TegnViser(Minutt-5, 60.0, 24); // Omdreinig, Omdreiningstall / omdreining, radius
// TegnViser(Sekund, 60-deics, 27); // Omdreinig, Omdreiningstall / omdreining, radius
TegnViser(Sekund-6, 60.0, 27);
// TegnViser(Sekund, 60.0, 27);
u8g.setFont(u8g_font_6x10);
u8g.setPrintPos(2*deics + deics2, 63);
if (zi < 10) u8g.print("0");
u8g.print(zi);
u8g.print("/");
if (luna < 10) u8g.print("0");
u8g.print(luna);
u8g.print("/");
//u8g.print(an-2000);
u8g.print(an);
//u8g.setPrintPos(2*deics + deics2, 50);
//u8g.print(daysOfTheWeek[zis]);
u8g.setPrintPos(2*deics + deics2+de, 28);
//u8g.setFont(u8g_font_fur17);
//u8g.setFont(u8g_font_10x20);
u8g.setFont(u8g_font_freedoomr25n);
if (Timer < 10) u8g.print(" ");
u8g.print(Timer);
if (Sekund%2 != 1)
u8g.print(":");
u8g.setPrintPos(2*deics + deics2+de, 56);
if (Minutt < 10) u8g.print("0");
u8g.print(Minutt);
u8g.setFont(u8g_font_6x10);
}
void TegnViser(float Omdreining, float forhold, int Radius) {
Vinkel = Omdreining * 2.0 * 3.1415 / forhold - 1,5707; // 12 timer blir til 2Pi
X2 = ScreenWithC -deics + Radius * cos(Vinkel);
Y2 = ScreenHeightC + Radius * sin(Vinkel);
u8g.drawLine(ScreenWithC-deics, ScreenHeightC, X2, Y2);
}
void TegnKlokkeBg() { // draw clock background
//u8g.drawCircle(ScreenWithC, ScreenHeightC, 30);
u8g.drawCircle(ScreenWithC-deics, ScreenHeightC, 1);
// u8g.setFont(u8g_font_unifont);
// u8g.setFontPosTop();
u8g.drawStr(55-deics, 4+deigrec, "12");
u8g.drawStr(83-deics, 25+deigrec, "3");
u8g.drawStr(60-deics, 45+deigrec, "6");
u8g.drawStr(39-deics, 25+deigrec, "9");
for(int TimeStrek = 0; TimeStrek<12; TimeStrek++) { // draw time lines
Vinkel = TimeStrek / 12.0 * 2 * 3.1415;
X2 = ScreenWithC-deics + 30 * cos(Vinkel);
Y2 = ScreenHeightC + 30 * sin(Vinkel);
X3 = ScreenWithC-deics + 28 * cos(Vinkel);
Y3 = ScreenHeightC + 28 * sin(Vinkel);
u8g.drawLine(X2, Y2, X3, Y3);
}
}
void setup(void) {
// flip screen, if required
// u8g.setRot180();
// set SPI backup if required
//u8g.setHardwareBackup(u8g_backup_avr_spi);
/*
// assign default color value
if ( u8g.getMode() == U8G_MODE_R3G3B2 )
u8g.setColorIndex(255); // white
else if ( u8g.getMode() == U8G_MODE_GRAY2BIT )
u8g.setColorIndex(3); // max intensity
else if ( u8g.getMode() == U8G_MODE_BW )
u8g.setColorIndex(1); // pixel on
*/
// u8g.setFont(u8g_font_osb21);
u8g.setFont(u8g_font_6x10);
#ifndef ESP8266
while (!Serial); // for Leonardo/Micro/Zero
#endif
Serial.begin(9600);
if (! rtc.begin()) {
Serial.println("Couldn't find RTC");
while (1);
}
if (! rtc.isrunning()) {
Serial.println("RTC is NOT running!");
// following line sets the RTC to the date & time this sketch was compiled
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
// This line sets the RTC with an explicit date & time, for example to set
// January 21, 2014 at 3am you would call:
// rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
}
// rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
pinMode(buton,INPUT);//push button on encoder connected to A0 (and GND)
digitalWrite(buton,HIGH); //Pull button high
}
void loop(void) {
//u8g.setFont(u8g_font_unifont);
u8g.setFont(u8g_font_6x10);
DateTime now = rtc.now();
Timer = now.hour(), DEC;
Minutt = now.minute(), DEC;
Sekund = now.second(), DEC;
Serial.print(Timer);
Serial.print(':');
Serial.print(Minutt);
Serial.print(':');
Serial.print(Sekund);
Serial.print(" - ");
an = now.year(), DEC;
Serial.print(an);
Serial.print('/');
luna = now.month(), DEC;
Serial.print(luna);
Serial.print('/');
zi = now.day(), DEC;
Serial.print(zi);
Serial.print(" (");
zis = now.dayOfTheWeek();
Serial.print(daysOfTheWeek[zis]);
Serial.println(") ");
// picture loop
u8g.firstPage();
do {
draw();
} while( u8g.nextPage() );
// rebuild the picture after some delay
delay(100);
pushlength = pushlengthset;
pushlength = getpushlength();
delay (10);
if (pushlength < pushlengthset)
{
//ShortPush ();
Serial.println("short push");
// picture loop
u8g.firstPage();
do {
draw1();
} while( u8g.nextPage() );
// rebuild the picture after some delay
delay(1000);
}
//This runs the setclock routine if the knob is pushed for a long time
if (pushlength > pushlengthset) {
// lcd.clear();
Serial.println("long push");
DateTime now = rtc.now();
setyeartemp=now.year(),DEC;
setmonthtemp=now.month(),DEC;
setdaytemp=now.day(),DEC;
setoretemp=now.hour(),DEC;
setminstemp=now.minute(),DEC;
// setzitemp = now.dayOfTheWeek();
setclock();
pushlength = pushlengthset;
};
//}
} // end main loop
// subroutine to return the length of the button push.
int getpushlength()
{
buttonstate = digitalRead(buton);
if(buttonstate == LOW && buttonflag==false) {
pushstart = millis();
buttonflag = true;
};
if (buttonstate == HIGH && buttonflag==true) {
pushstop = millis ();
pushlength = pushstop - pushstart;
buttonflag = false;
};
Serial.println("_");
return pushlength;
}
void draw1(void) {
// graphic commands to redraw the complete screen should be placed here
//u8g.setFont(u8g_font_unifont);
//u8g.setFont(u8g_font_osb21);
u8g.drawStr( 10, 32, "Thx to niq_ro!");
}
//sets the clock
void setclock (){
// u8g.setFont(u8g_font_unifont);
setyear ();
setmonth ();
setday ();
// setzi();
setore ();
setmins ();
rtc.adjust(DateTime(setyeartemp,setmonthtemp,setdaytemp,setoretemp,setminstemp,setsecs));
delay (1000);
}
// The following subroutines set the individual clock parameters
int setyear () {
pushlength = pushlengthset;
pushlength = getpushlength ();
if (pushlength != pushlengthset) {
return setyeartemp;
}
knob.write(0);
delay (50);
knobval=knob.read();
if (knobval < -1) { //bit of software de-bounce
knobval = -1;
delay (50);
}
if (knobval > 1) {
knobval = 1;
delay (50);
}
setyeartemp=setyeartemp + knobval;
if (setyeartemp < 2018) { //Year can't be older than currently, it's not a time machine.
setyeartemp = 2018;
}
//itoa(setyeartemp - 2000, tmp_string, 10); // https://www.avrfreaks.net/forum/how-do-i-print-variable-u8glib
itoa(setyeartemp, tmp_string, 10); // https://www.avrfreaks.net/forum/how-do-i-print-variable-u8glib
u8g.firstPage();
do {
u8g.drawStr( 0, 20, "Set Year");
// u8g.drawStr( 0, 40, "20");
u8g.drawStr(25, 40, tmp_string);
} while( u8g.nextPage() );
setyear();
}
int setmonth () {
pushlength = pushlengthset;
pushlength = getpushlength ();
if (pushlength != pushlengthset) {
return setmonthtemp;
}
// lcd.setCursor (0,1);
knob.write(0);
delay (50);
knobval=knob.read();
if (knobval < -1) {
knobval = -1;
}
if (knobval > 1) {
knobval = 1;
}
setmonthtemp=setmonthtemp + knobval;
if (setmonthtemp < 1) {// month must be between 1 and 12
setmonthtemp = 1;
}
if (setmonthtemp > 12) {
setmonthtemp=12;
}
itoa(setmonthtemp, tmp_string, 10);
u8g.firstPage();
do {
u8g.drawStr( 0, 20, "Set Month");
u8g.drawStr(25, 40, tmp_string);
} while( u8g.nextPage() );
setmonth();
}
int setday () {
if (setmonthtemp == 4 || setmonthtemp == 5 || setmonthtemp == 9 || setmonthtemp == 11) { //30 days hath September, April June and November
maxday = 30;
}
else {
maxday = 31; //... all the others have 31
}
if (setmonthtemp ==2 && setyeartemp % 4 ==0) { //... Except February alone, and that has 28 days clear, and 29 in a leap year.
maxday = 29;
}
if (setmonthtemp ==2 && setyeartemp % 4 !=0) {
maxday = 28;
}
pushlength = pushlengthset;
pushlength = getpushlength ();
if (pushlength != pushlengthset) {
return setdaytemp;
}
knob.write(0);
delay (50);
knobval=knob.read();
if (knobval < -1) {
knobval = -1;
}
if (knobval > 1) {
knobval = 1;
}
setdaytemp = setdaytemp+ knobval;
if (setdaytemp < 1) {
setdaytemp = 1;
}
if (setdaytemp > maxday) {
setdaytemp = maxday;
}
itoa(setdaytemp, tmp_string, 10);
u8g.firstPage();
do {
u8g.drawStr( 0, 20, "Set Day");
u8g.drawStr(25, 40, tmp_string);
} while( u8g.nextPage() );
setday();
}
int setzi () {
pushlength = pushlengthset;
pushlength = getpushlength ();
if (pushlength != pushlengthset) {
return setzitemp;
}
knob.write(0);
delay (50);
knobval=knob.read();
if (knobval < -1) {
knobval = -1;
}
if (knobval > 1) {
knobval = 1;
}
setzitemp=setzitemp + knobval;
if (setzitemp < 0) {// month must be between 0 and 6
setzitemp = 0;
}
if (setzitemp > 6) {
setzitemp=6;
}
itoa(setzitemp, tmp_string, 10);
u8g.firstPage();
do {
u8g.drawStr( 0, 20, "Set Day of Week");
u8g.drawStr(25, 40, tmp_string);
u8g.drawStr(0,60, daysOfTheWeek[setzitemp]);
} while( u8g.nextPage() );
setzi();
}
int setore () {
pushlength = pushlengthset;
pushlength = getpushlength ();
if (pushlength != pushlengthset) {
return setoretemp;
}
knob.write(0);
delay (50);
knobval=knob.read();
if (knobval < -1) {
knobval = -1;
delay (50);
}
if (knobval > 1) {
knobval = 1;
delay (50);
}
setoretemp=setoretemp + knobval;
if (setoretemp < 0) {
setoretemp = 0;
}
if (setoretemp > 23) {
setoretemp=23;
}
itoa(setoretemp, tmp_string, 10);
u8g.firstPage();
do {
u8g.drawStr( 0, 20, "Set Hour");
u8g.drawStr(25, 40, tmp_string);
} while( u8g.nextPage() );
setore();
}
int setmins () {
pushlength = pushlengthset;
pushlength = getpushlength ();
if (pushlength != pushlengthset) {
return setminstemp;
}
knob.write(0);
delay (50);
knobval=knob.read();
if (knobval < -1) {
knobval = -1;
delay (50);
}
if (knobval > 1) {
knobval = 1;
delay (50);
}
setminstemp=setminstemp + knobval;
if (setminstemp < 0) {
setminstemp = 0;
}
if (setminstemp > 59) {
setminstemp=59;
}
itoa(setminstemp, tmp_string, 10);
u8g.firstPage();
do {
u8g.drawStr( 0, 20, "Set Minutes");
u8g.drawStr(25, 40, tmp_string);
} while( u8g.nextPage() );
setmins();
}
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