135 lines
2.7 KiB
C++
135 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!
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*
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*/
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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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//how long takes a minute in ms?
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//const unsigned int mindelay = 60000;
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const unsigned int mindelay = 59500;
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//current time
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unsigned char min = 0;
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unsigned char hour = 0;
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//last time the minute changed
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unsigned long lastmin;
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//remove this line to enable Serial
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#define nolog
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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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analogWrite(M[i], (m & (1 << i)) ? 255 : 1);
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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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analogWrite(H[i], (h & (1 << i)) ? 255 : 4);
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}
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#ifndef nolog
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//send data to Serial
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Serial.print(hour);
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Serial.print(":");
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Serial.println(min);
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#endif
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}
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//add one minute to the time
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void countTime() {
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if(60 == ++min) {
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min = 0;
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if(13 == ++hour) {
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hour = 0;
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}
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}
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}
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void setup() {
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pinMode(13, OUTPUT);
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#ifndef nolog
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Serial.begin(9600);
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#endif
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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);
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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 = false;//was button pressed
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unsigned long timeout = millis();
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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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hour ++;
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if(hour == 13)
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hour = 1;
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} else {//count min
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min ++;
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if(min == 60)
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min = 0;
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}
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write(min, hour);
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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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write(min, hour);
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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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lastmin = millis();
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}
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void loop() {
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if((millis() - lastmin) >= mindelay) {
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//update min
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countTime();
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write(min, hour);
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lastmin += mindelay;
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} else {
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#ifndef nolog
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Serial.print(millis()-lastmin);
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Serial.print(" ");
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Serial.println(millis()-lastmin >= mindelay);
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#endif
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}
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//let the led blink
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if(millis()/1000 % 2 == 0) {
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digitalWrite(13, HIGH);
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} else
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digitalWrite(13, LOW);
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delay(50);
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}
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