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‎EnigmaQRClock.ino‎

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// A QR Clock for the Arduino UNO + Seeed Touchscreen LCD platform
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// by @arduinoenigma
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// uses a modified @chooftech QR library and a modified Xark display driver
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// update times of a second are possible
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// http://ch00ftech.com/2013/04/23/optimizing-the-qr-clock/
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// http://ch00ftech.com/wp-content/uploads/2012/10/main1.c
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//
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// to set the time, open a serial monitor and type the following command
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// r1;h15;m22;s25;u10;d;x;
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// r1 sets rotation so plug is to the right. Any rotation is fine, setting is for purists
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// h15 sets hours to 15
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// m22 sets minutes to 22
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// s10 sets seconds to 25
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// u10 sets update rate to 10 seconds, 1,5,10,15,20,30,60 are valid
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// d shows the time
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// x starts the clock now
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// if a command with a two digit parameter is sent with two digits, the semicolon can be omitted
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// the following are valid strings
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// r1h15m22s25u10dx
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// r1h9;m5;s25u1;dx
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//
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#define TFTSeed
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//#define TFTAdafruit
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#include <SPI.h>
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#include <FastTftILI9341.h> //https://github.com/arduinoenigma/FastSeedTFTv2
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PDQ_ILI9341 Tft;
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//raw input string from user GLOBAL VAR to generate();
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char input[17];
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//GLOBAL VAR to generate() and printcode();
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unsigned char outputmatrix[56] = {128, 63, 192, 247, 247, 137, 254, 34, 209, 95, 36, 250, 139, 124, 127, 31, 160, 10, 248, 255, 255, 191, 255, 255, 255, 255, 255, 254, 255, 255, 255, 255, 251, 255, 255, 253, 63, 224, 255, 247, 253, 255, 162, 255, 95, 244, 255, 139, 254, 127, 223, 255, 15, 248, 255, 255};
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unsigned long ul_LastGenerated = 0UL;
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byte hours = 0;
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byte mins = 0;
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byte secs = 0;
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byte ampm = 0;
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byte update = 10;
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byte rotation = 0;
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byte xo = 15;
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byte yo = 55;
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void advancetime()
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{
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input[0] = (hours / 10) + '0';
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input[1] = (hours - (hours / 10) * 10) + '0';
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input[2] = ':';
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input[3] = (mins / 10) + '0';
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input[4] = (mins - (mins / 10) * 10) + '0';
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//input[5] = ';';
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//input[6] = 0;
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input[5] = ':';
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input[6] = (secs / 10) + '0';
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input[7] = (secs - (secs / 10) * 10) + '0';
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input[8] = ';';
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input[9] = 0;
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secs += update;
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if (secs >= 60)
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{
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secs = secs - 60;
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mins++;
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if (mins == 60)
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{
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mins = 0;
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hours++;
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if (hours == 24)
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{
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mins = 0;
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hours = 0;
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}
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}
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}
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}
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void setup() {
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Serial.begin(9600);
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Tft.TFTinit();
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Serial.println("valid init string is: r1;h15;m22;s25;u10;d;x;");
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advancetime();
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generate();
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ul_LastGenerated = millis();
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printcode(&outputmatrix[0]);
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advancetime();
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generate();
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}
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void loop() {
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unsigned long ul_CurrentMillis;
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ul_CurrentMillis = millis();
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SerialFSM();
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if ((ul_CurrentMillis - ul_LastGenerated) >= (update * 1000))
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{
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ul_LastGenerated += update * 1000;
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printcode(&outputmatrix[0]);
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advancetime();
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generate();
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}
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}

‎SerialMenu.ino‎

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byte numberstocollect = 0;
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byte storenumbersin = 0;
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byte collectednumber = 0;
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byte finishedcollection = 1;
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//to setup r1h15m22s10u10dx
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//bug: h1m1s1 does not work
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void SerialFSM()
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{
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char KeyPressed = 0;
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if (Serial.available())
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{
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KeyPressed = Serial.read();
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switch (KeyPressed)
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{
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//set hours
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case 'H':
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case 'h':
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{
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collectednumber = 0;
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numberstocollect = 2;
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storenumbersin = 1;
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break;
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}
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//set minutes
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case 'M':
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case 'm':
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{
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collectednumber = 0;
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numberstocollect = 2;
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storenumbersin = 2;
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break;
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}
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//set seconds
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case 'S':
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case 's':
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{
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collectednumber = 0;
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numberstocollect = 2;
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storenumbersin = 3;
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break;
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}
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//display AM/PM or 24hr
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case 'P':
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case 'p':
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{
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collectednumber = 0;
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numberstocollect = 1;
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storenumbersin = 4;
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break;
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}
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//update every x seconds
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case 'U':
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case 'u':
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{
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collectednumber = 0;
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numberstocollect = 2;
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storenumbersin = 5;
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break;
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}
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// set rotation
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case 'R':
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case 'r':
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{
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collectednumber = 0;
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numberstocollect = 1;
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storenumbersin = 6;
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break;
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}
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// draw the time
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case 'D':
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case 'd':
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{
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Serial.print(hours);
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Serial.print(":");
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Serial.print(mins);
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Serial.print(":");
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Serial.println(secs);
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break;
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}
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// start clock
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case 'X':
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case 'x':
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{
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ul_LastGenerated = millis();
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advancetime();
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advancetime();
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generate();
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break;
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}
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// collect numeric parameter or ; as separator
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default:
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{
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if (numberstocollect)
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{
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finishedcollection = 0;
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if ((KeyPressed >= '0') && (KeyPressed <= '9'))
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{
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collectednumber = collectednumber * 10 + (KeyPressed - '0');
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numberstocollect--;
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if (numberstocollect == 0)
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{
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finishedcollection = 1;
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}
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}
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if (KeyPressed == ';')
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{
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finishedcollection = 1;
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}
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}
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if (finishedcollection)
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{
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finishedcollection = 0;
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switch (storenumbersin)
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{
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case 1:
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{
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hours = collectednumber;
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break;
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}
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case 2:
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{
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mins = collectednumber;
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break;
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}
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case 3:
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{
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secs = collectednumber;
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break;
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}
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case 4:
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{
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ampm = collectednumber;
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break;
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}
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case 5:
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{
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if ((collectednumber == 1) || (collectednumber == 5) || (collectednumber == 10) || (collectednumber == 15) || (collectednumber == 20) || (collectednumber == 30) || (collectednumber == 60))
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{
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update = collectednumber;
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}
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break;
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}
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case 6:
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{
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if (collectednumber < 4)
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{
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rotation = collectednumber;
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if ((rotation==0) || (rotation==2))
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{
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xo = 15;
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yo = 55;
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}
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else
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{
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yo = 15;
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xo = 55;
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}
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Tft.setRotation(rotation);
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Tft.fillScreen(BLACK);
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printcode(&outputmatrix[0]);
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}
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break;
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}
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}
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}
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break;
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}
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}
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}
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}

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