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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!
53 lines
1.4 KiB
Plaintext
53 lines
1.4 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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***** Please set the number of devices you have *****
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But the maximum default of 8 MAX72XX wil also work.
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*/
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LedControl lc=LedControl(12,11,10,8);
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/* we always wait a bit between updates of the display */
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unsigned long delaytime=500;
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/*
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This time we have more than one device.
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But all of them have to be initialized
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individually.
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*/
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void setup() {
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//we have already set the number of devices when we created the LedControl
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int devices=lc.getDeviceCount();
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//we have to init all devices in a loop
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for(int address=0;address<devices;address++) {
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/*The MAX72XX is in power-saving mode on startup*/
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lc.shutdown(address,false);
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/* Set the brightness to a medium values */
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lc.setIntensity(address,8);
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/* and clear the display */
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lc.clearDisplay(address);
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}
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}
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void loop() {
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//read the number cascaded devices
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int devices=lc.getDeviceCount();
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//we have to init all devices in a loop
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for(int row=0;row<8;row++) {
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for(int col=0;col<8;col++) {
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for(int address=0;address<devices;address++) {
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delay(delaytime);
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lc.setLed(address,row,col,true);
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delay(delaytime);
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lc.setLed(address,row,col,false);
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}
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}
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}
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}
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