123 lines
2.7 KiB
C++
123 lines
2.7 KiB
C++
/*
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* author: MrBesen
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*
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* Program for a binary laser clock
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*
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* Setup: a Button on pin 12, Led pin 13, Laser / LED on pin 2-11 needs to be pwm! RTC-Modul DS3231 required
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*
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*/
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#include <Wire.h>
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#include "DS3231.h"
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DS3231 clock;
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#define pressed digitalRead(12) == LOW
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//pins for hour display
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const unsigned char H[] = {8,9,10,11};
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//pins for min display
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const unsigned char M[] = {2,3,4,5,6,7};
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//intensity of laser, when "off": 0 -> 0% on; 255 -> 100% on
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const unsigned int offtime = 160;
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bool houtremp;
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void set(const unsigned char pin, bool on) {
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if(on)
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digitalWrite(pin, HIGH);
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else
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analogWrite(pin, offtime);
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}
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//prints the data to the lasers, write(0,0)-> all off, write()-> all on
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void write(unsigned char m = 255, unsigned char h = 255) {
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//write minutes
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for(unsigned char i = 0; i < 6; i++) {
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set(M[i], m & (1 << i));
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// analogWrite(M[i], (m & (1 << i)) ? 255 : offtime);
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}
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//write hour
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for(unsigned char i = 0; i < 4; i++) {
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set(H[i], h & (1 << i));
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// analogWrite(H[i], (h & (1 << i)) ? 255 : offtime);
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}
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}
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inline void writeTime() {
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write(clock.getMinute(), clock.getHour(houtremp, houtremp));
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}
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void setup() {
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pinMode(13, OUTPUT);
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//setup clock modul
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Wire.begin();
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clock.setClockMode(true); //set 12h format
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clock.turnOffAlarm(1);//disable Arlam
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clock.turnOffAlarm(2);
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//Setup pins
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for(unsigned char m = 0; m < 6; m++) {
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pinMode(M[m], OUTPUT);
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}
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for(unsigned char h = 0; h < 4; h++) {
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pinMode(H[h], OUTPUT);
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}
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pinMode(12, INPUT_PULLUP);
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write();
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while(!pressed) delay(5);//wait for press
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//setup time
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char mode = 0;//mode = 0-> set hour, mode = 1 -> set min, mode = 2 -> exit setup
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bool pres = true;//was button pressed
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unsigned long timeout = millis();
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writeTime();
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while(mode < 2) {
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if(pressed) {//button is pressed
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if(!pres) {//button was not pressed before
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timeout = millis();//reset timeout
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pres = true;
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if(mode == 0) {//count hour
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byte hour = clock.getHour(houtremp, houtremp)+1;
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clock.setHour(hour == 13 ? 1 : hour);
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} else {//count min
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byte minute = clock.getMinute()+1;
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clock.setMinute(minute == 60 ? 0 : minute);
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}
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writeTime();
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}
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} else {
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pres = false;
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}
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if(millis() - timeout > 10000) {//timed out
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//blink 6 times
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for(int i = 0; i < 6; i++) {
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write(0,0);
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delay(300);
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write();
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delay(300);
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}
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writeTime();
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++mode;//next mode
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//reset timeout
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timeout = millis();
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}
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delay(50);
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}
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}
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void loop() {
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//update min
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byte hour = clock.getHour(houtremp, houtremp);
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if(hour > 12)
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hour -=12;
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clock.setHour(hour);
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write(clock.getMinute(), hour);
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//let the led blink
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digitalWrite(13, millis()/1000 % 2 == 0);
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delay(500);
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}
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