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https://github.com/deruiter/DCF77-Analyzer-Clock-V2.0.git
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With this library, you can use Common ANODE displays if you want with the Maxim 72xx chips!
74 lines
1.7 KiB
Plaintext
74 lines
1.7 KiB
Plaintext
//We always have to include the library
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#include "LedControl.h"
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/*
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Now we need a LedControl to work with.
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***** These pin numbers will probably not work with your hardware *****
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pin 12 is connected to the DataIn
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pin 11 is connected to the CLK
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pin 10 is connected to LOAD
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We have only a single MAX72XX.
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*/
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LedControl lc=LedControl(12,11,10,1);
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/* we always wait a bit between updates of the display */
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unsigned long delaytime=250;
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void setup() {
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/*
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The MAX72XX is in power-saving mode on startup,
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we have to do a wakeup call
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*/
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lc.shutdown(0,false);
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/* Set the brightness to a medium values */
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lc.setIntensity(0,8);
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/* and clear the display */
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lc.clearDisplay(0);
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}
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/*
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This method will display the characters for the
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word "Arduino" one after the other on digit 0.
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*/
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void writeArduinoOn7Segment() {
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lc.setChar(0,0,'a',false);
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delay(delaytime);
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lc.setRow(0,0,0x05);
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delay(delaytime);
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lc.setChar(0,0,'d',false);
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delay(delaytime);
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lc.setRow(0,0,0x1c);
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delay(delaytime);
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lc.setRow(0,0,B00010000);
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delay(delaytime);
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lc.setRow(0,0,0x15);
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delay(delaytime);
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lc.setRow(0,0,0x1D);
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delay(delaytime);
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lc.clearDisplay(0);
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delay(delaytime);
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}
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/*
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This method will scroll all the hexa-decimal
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numbers and letters on the display. You will need at least
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four 7-Segment digits. otherwise it won't really look that good.
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*/
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void scrollDigits() {
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for(int i=0;i<13;i++) {
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lc.setDigit(0,3,i,false);
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lc.setDigit(0,2,i+1,false);
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lc.setDigit(0,1,i+2,false);
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lc.setDigit(0,0,i+3,false);
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delay(delaytime);
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}
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lc.clearDisplay(0);
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delay(delaytime);
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}
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void loop() {
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writeArduinoOn7Segment();
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scrollDigits();
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}
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