switch to setup for Arduino Boards Manager

digistump-avr/libraries/DigisparkUSB/examples/DigiUSB2LCD/DigiUSB2LCD.ino

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+/* USB LCD */
+
+//#define DEBUG
+#include <TinyWireM.h>                  // I2C Master lib for ATTinys which use USI - comment this out to use with standard arduinos
+#include <LiquidCrystal_I2C.h>          // for LCD w/ GPIO MODIFIED for the ATtiny85
+#include <DigiUSB.h>
+
+#define GPIO_ADDR     0x27             // (PCA8574A A0-A2 @5V) typ. A0-A3 Gnd 0x20 / 0x38 for A - 0x27 is the address of the Digispark LCD modules.
+int currentLine = 0;
+boolean clearOnNext = 0;
+boolean backlight = 1;
+
+LiquidCrystal_I2C lcd(GPIO_ADDR,16,2);  // set address & 16 chars / 2 lines
+
+
+void setup(){
+  DigiUSB.begin();
+  TinyWireM.begin();                    // initialize I2C lib - comment this out to use with standard arduinos
+  lcd.init();                           // initialize the lcd 
+  lcd.backlight();                      // Print a message to the LCD.
+  lcd.setCursor(0, currentLine);
+}
+
+
+void get_input() {
+
+  int lastRead;
+  // when there are no characters to read, or the character isn't a newline
+  while (1==1) {
+    if(DigiUSB.available()){
+      //something to read
+      lastRead = DigiUSB.read();
+      if(lastRead == '\n'){
+        
+        
+        if(currentLine > 0)
+          currentLine = 0;
+        else
+          currentLine = 1;
+        
+        clearOnNext = 1;
+        
+        lcd.setCursor(0, currentLine);
+        
+      }
+      else if(lastRead == 172){ //not sign "¬" send it with the send program to toggle the backlight
+        if(backlight){
+          lcd.noBacklight();
+          backlight = 0;
+        }
+        else{
+          lcd.backlight(); 
+          backlight = 1;
+        }
+        DigiUSB.read(); //read to nothing to get rid of newline that should come after it
+
+      }
+      else{
+        if(clearOnNext){
+          lcd.print("                "); //clear a single line
+          lcd.setCursor(0, currentLine);
+          clearOnNext=0;
+        }
+        lcd.print(char(lastRead));
+      }
+      
+      
+      
+    }
+    // refresh the usb port
+    DigiUSB.refresh();
+    delay(10);
+
+  }
+
+}
+
+
+void loop(){
+  get_input();
+}