All said something else is going on here. libEBBLibrary.so is definitely
there yet it does not take. I should mention that namespace std is being
used to make updates on code easier. See code listed below.
root@beaglebone:~/exploringBB/chp09/LCDcharacter# export
LD_LIBRARY_PATH="~/exploringBB/library/libEBBLibrary.so:$LD_LIBRARY_PATH"
root@beaglebone:~/exploringBB/chp09/LCDcharacter# ./LCDApp
./LCDApp: error while loading shared libraries: libEBBLibrary.so: cannot
open shared object file: No such file or directory
root@beaglebone:~/exploringBB/chp09/LCDcharacter# cd ../../library
root@beaglebone:~/exploringBB/library# ls
CMakeLists.txt README build bus display docs example gpio libEBBLibrary.a
libEBBLibrary.so motor network sensor
root@beaglebone:~/exploringBB/library#
Here is the code ...
#include <unistd.h>
#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;
}
--
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