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arduino-cli/libraries/LCD5110_Graph/examples/Arduino (AVR)/LCD5110_Sleep_Mode/LCD5110_Sleep_Mode.ino

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+// LCD5110_Sleep_Mode 
+// Copyright (C)2015 Rinky-Dink Electronics, Henning Karlsen. All right reserved
+// web: http://www.RinkyDinkElectronics.com/
+//
+// This program is a demo of sleep mode.
+//
+// This program requires a Nokia 5110 LCD module.
+//
+// It is assumed that the LCD module is connected to
+// the following pins using a levelshifter to get the
+// correct voltage to the module.
+//      SCK  - Pin 8
+//      MOSI - Pin 9
+//      DC   - Pin 10
+//      RST  - Pin 11
+//      CS   - Pin 12
+//
+#include <LCD5110_Graph.h>
+
+LCD5110 myGLCD(8,9,10,11,12);
+
+extern uint8_t SmallFont[];
+extern uint8_t MediumNumbers[];
+
+void setup()
+{
+  myGLCD.InitLCD();
+}
+
+void loop()
+{
+  myGLCD.setFont(SmallFont);
+  myGLCD.clrScr();
+  myGLCD.print("Entering", CENTER, 0);
+  myGLCD.print("Sleep Mode", CENTER, 8);
+  myGLCD.print("in", CENTER, 16);
+  myGLCD.print("Seconds", CENTER, 40);
+  myGLCD.update();
+
+  myGLCD.setFont(MediumNumbers);
+  for (int s=10; s>=0; s--)
+  {
+    myGLCD.printNumI(s, CENTER, 24, 2, '0');
+    myGLCD.update();
+    delay(1000);
+  }
+  
+  myGLCD.enableSleep();
+  myGLCD.clrScr();
+  myGLCD.setFont(SmallFont);
+  myGLCD.print("Awake again!", CENTER, 0);
+  myGLCD.print("Text has been", CENTER, 16);
+  myGLCD.print("changed while", CENTER, 24);
+  myGLCD.print("in Sleep Mode.", CENTER, 32);
+  delay(5000);
+  myGLCD.disableSleep();
+  delay(5000);
+}