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main.cpp
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main.cpp
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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include "Adafruit_RGBLCDShield.h"
// These #defines make it easy to set the backlight color
#define RED 0x1
#define YELLOW 0x3
#define GREEN 0x2
#define TEAL 0x6
#define BLUE 0x4
#define VIOLET 0x5
#define WHITE 0x7
int main(int argc, char *argv[])
{
Adafruit_RGBLCDShield lcd = Adafruit_RGBLCDShield();
lcd.begin(16, 2);
lcd.setBacklight(RED);
lcd.clear();
lcd.home();
lcd.setCursor(0,0);
lcd.myPrint("Hello World");
int count = 0;
for(int i = 0; i < 20; i++){
usleep(300000);
if(count < 5){
lcd.scrollDisplayRight();
}
count++;
if(count > 5){
lcd.scrollDisplayLeft();
}
if(count > 9) count = 0;
}
uint8_t buttons = lcd.readButtons();
while(!(buttons & BUTTON_SELECT)){
if (buttons) {
if (buttons & BUTTON_LEFT) {
lcd.scrollDisplayLeft();
lcd.setBacklight(GREEN);
}
if (buttons & BUTTON_RIGHT) {
lcd.scrollDisplayRight();
lcd.setBacklight(TEAL);
}
}
buttons = lcd.readButtons();
usleep(90000);
}
return 0;
}