From 451728199cd6cd0cdeb4beed5b66d1f272b677f6 Mon Sep 17 00:00:00 2001
From: Stefan Ostermann <stefan@ostermail.de>
Date: Thu, 3 Jun 2021 23:05:40 +0200
Subject: [PATCH] First commit

---
 src/main.cpp | 137 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 src/main.cpp

diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..86aa558
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,137 @@
+#include <Arduino.h>
+#include "LedControl.h"
+
+/*
+
+Now we need a LedControl to work with.
+***** These pin numbers will probably not work with your hardware *****
+
+pin 12 is connected to the DataIn
+
+pin 11 is connected to the CLK
+
+pin 10 is connected to LOAD
+
+We have only a single MAX72XX.
+
+*/
+
+LedControl lc = LedControl(12, 10, 11, 1);
+int iteration = 0;
+
+/* we always wait a bit between updates of the display */
+
+unsigned long delaytime = 500;
+
+void setup()
+{
+
+  /* The MAX72XX is in power-saving mode on startup, we have to do a wakeup call */
+
+  lc.shutdown(0, false);
+
+  /* Set the brightness to a medium values */
+
+  lc.setIntensity(0, 15);
+
+  lc.clearDisplay(0);
+
+  /* and clear the display */
+
+
+
+}
+
+void printNumber(int v) {
+    int ones;
+    int tens;
+    int hundreds;
+    boolean negative;	
+
+    if(v < -999 || v > 999) 
+       return;
+    if(v<0) {
+        negative=true;
+        v=v*-1;
+    }
+    ones=v%10;
+    v=v/10;
+    tens=v%10;
+    v=v/10;
+    hundreds=v;			
+    if(negative) {
+       //print character '-' in the leftmost column	
+       lc.setChar(0,3,'-',false);
+    }
+    else {
+       //print a blank in the sign column
+       lc.setChar(0,3,' ',false);
+    }
+    //Now print the number digit by digit
+    lc.setDigit(0,2,(byte)hundreds,false);
+    lc.setDigit(0,1,(byte)tens,false);
+    lc.setDigit(0,0,(byte)ones,false);
+}
+
+void hello()
+{
+  
+  delay(500);
+  lc.setDigit(0,0,0, false);
+  lc.setDigit(0,0,1, false);
+  lc.setDigit(0,0,2, false);
+  lc.setDigit(0,0,3, false);
+  //lc.setLed(0,0,0,true);
+}
+
+void loop()
+{
+/*
+  lc.setLed(0,0,2,true);
+  lc.setLed(0,0,3,true);
+  lc.setLed(0,0,4,true);
+  lc.setLed(0,0,6,true);
+  lc.setLed(0,0,0,true);
+  */
+  //delay(2000);
+  /*
+  lc.clearDisplay(0);
+  lc.setLed(0,0,1,true);
+  lc.setLed(0,0,2,true);
+  lc.setLed(0,0,4,true);
+  lc.setLed(0,0,5,true);
+  lc.setLed(0,0,7,true);
+  lc.setLed(0,0,0,true);
+  */
+  
+  //delay(2000);
+  //lc.setLed(0,0,4,true);
+  //lc.setLed(0,0,6,true);
+  //lc.setLed(0,0,iteration%8,true);
+
+  lc.setLed(0,0,1,true);
+  delay(80);
+  lc.clearDisplay(0);
+  lc.setLed(0,0,3,true);
+  delay(80);
+  lc.clearDisplay(0);
+  lc.setLed(0,0,5,true);
+  delay(80);
+  lc.clearDisplay(0);
+  lc.setLed(0,0,7,true);
+  delay(80);
+  lc.clearDisplay(0);
+  lc.setLed(0,0,0,true);
+  delay(80);
+  lc.clearDisplay(0);
+  lc.setLed(0,0,6,true);
+  delay(80);
+  lc.clearDisplay(0);
+  lc.setLed(0,0,4,true);
+  delay(80);
+  lc.clearDisplay(0);
+  lc.setLed(0,0,2,true);
+  iteration++;
+  delay(50);
+  lc.clearDisplay(0);
+}
\ No newline at end of file