Permalink
Switch branches/tags
Nothing to show
Find file Copy path
9d1f18c Dec 2, 2014
1 contributor

Users who have contributed to this file

30 lines (27 sloc) 1.5 KB
/* A LCD Character Display applications
* Written by Derek Molloy for the book "Exploring BeagleBone: Tools and
* Techniques for Building with Embedded Linux" by John Wiley & Sons, 2014
* ISBN 9781118935125. Please see the file README.md in the repository root
* directory for copyright and GNU GPLv3 license information. */
#include <iostream>
#include <sstream>
#include "display/LCDCharacterDisplay.h"
using namespace std;
using namespace exploringBB;
int main(){
cout << "Starting EBB LCD Character Display Example" << endl;
SPIDevice *busDevice = new SPIDevice(2,0); //Using second SPI bus (both loaded)
busDevice->setSpeed(1000000); // Have access to SPI Device object
ostringstream s; // Using this to combine text and int data
LCDCharacterDisplay display(busDevice, 16, 2); // Construct 16x2 LCD Display
display.clear(); // Clear the character LCD module
display.home(); // Move the cursor to the (0,0) position
display.print("EBB by D. Molloy"); // String to display on the first row
for(int x=0; x<=10000; x++){ // Do this 10,000 times
s.str(""); // clear the ostringstream object s
display.setCursorPosition(1,3); // move the cursor to second row
s << "X=" << x; // construct a string that has an int value
display.print(s.str()); // print the string X=*** on the LCD module
}
cout << "End of EBB LCD Character Display Example" << endl;
}