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[mirrors/Programs.git] / arduino / bomba-ledtest / bomba-ledtest.ino

diff --git a/arduino/bomba-ledtest/bomba-ledtest.ino b/arduino/bomba-ledtest/bomba-ledtest.ino
new file mode 100644 (file)
index 0000000..f0f9f7a
--- /dev/null
+++ b/arduino/bomba-ledtest/bomba-ledtest.ino
@@ -0,0 +1,68 @@
+#include <LedControl.h>
+
+LedControl lc=LedControl(16,14,15,2); //datain, clk, load, number of chips
+
+/* we always wait a bit between updates of the display */
+unsigned long delaytime=250;
+
+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); //0 - 15
+  /* and clear the display */
+  lc.clearDisplay(0);
+}
+
+
+/*
+ This method will display the characters for the
+ word "Arduino" one after the other on digit 0. 
+ */
+void writeArduinoOn7Segment() {
+  lc.setChar(0,0,'a',false);
+  delay(delaytime);
+  lc.setRow(0,0,0x05);
+  delay(delaytime);
+  lc.setChar(0,0,'d',false);
+  delay(delaytime);
+  lc.setRow(0,0,0x1c);
+  delay(delaytime);
+  lc.setRow(0,0,B00010000);
+  delay(delaytime);
+  lc.setRow(0,0,0x15);
+  delay(delaytime);
+  lc.setRow(0,0,0x1D);
+  delay(delaytime);
+  lc.clearDisplay(0);
+  delay(delaytime);
+} 
+
+/*
+  This method will scroll all the hexa-decimal
+ numbers and letters on the display. You will need at least
+ four 7-Segment digits. otherwise it won't really look that good.
+ */
+void scrollDigits() {
+  for(int i=0;i<13;i++) {
+    lc.setDigit(0,7,i,false);
+    lc.setDigit(0,6,i+1,false);
+    lc.setDigit(0,5,i+2,false);
+    lc.setDigit(0,4,i+3,false);
+    lc.setDigit(0,3,i+4,false);
+    lc.setDigit(0,2,i+5,false);
+    lc.setDigit(0,1,i+6,false);
+    lc.setDigit(0,0,i+7,false);
+    delay(delaytime);
+  }
+  lc.clearDisplay(0);
+  delay(delaytime);
+}
+
+void loop() { 
+  writeArduinoOn7Segment();
+  scrollDigits();
+}