File content as of revision 0:d4d7e882c87d:

#include "mbed.h"
#include "N5110.h"
#include "Joystick.h"

AnalogIn pot(PTB2);


//      rows,cols
int sprite[8][5] =   {
    { 0,0,1,0,0 },
    { 0,1,1,1,0 },
    { 0,0,1,0,0 },
    { 0,1,1,1,0 },
    { 1,1,1,1,1 },
    { 1,1,1,1,1 },
    { 1,1,0,1,1 },
    { 1,1,0,1,1 },
};

//Objects
Ticker bl_ticker;

// flag - must be volatile as changes within ISR
// g_ prefix makes it easier to distinguish it as global
volatile int g_bl_timer_flag;

// function prototypes
void bl_timer_isr();

//data
float bright;

//Pinouts
//    VCC,SCE,RST,D/C,MOSI,SCLK,LED
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);  // K64F - pwr from 3V3
//                  y     x     button
Joystick joystick(PTB10,PTB11,PTC16);


int main() {
    
    lcd.init();
    lcd.setContrast(0.4);
    
    //Set up ticker (time in seconds)
    bl_ticker.attach(&bl_timer_isr,0.01);
    
    while (1){
        //lcd.setBrightness(pot > 0.2f) ? 0.2 : 0;
        //lcd.setBrightness(pot > 0.4f) ? 0.4 : 0.21;
       // lcd.setBrightness(pot > 0.6f) ? 0.6 : 0.41;
        //lcd.setBrightness(pot > 0.8f) ? 0.8 : 0.61;
        
        
        if(pot > 0.1f) {
            bright = 0.1;
        } if(pot > 0.2f) {
            bright = 0.2;
        } if (pot > 0.3f) {
            bright = 0.3;
        } if (pot > 0.4f) {
            bright = 0.4;
        } if (pot > 0.5f) {
            bright = 0.5;
        } if(pot > 0.6f) {
            bright = 0.6;
        } if(pot > 0.7f) {
            bright = 0.7;
        } if (pot > 0.8f) {
            bright = 0.8;
        } if (pot > 0.9f) {
            bright = 0.9;
        } if (pot > 1.0f) {
            bright = 1.0;
        }  
       
        // check if flag is set i.e. interrupt has occured:
        //For bl check timer
        if (g_bl_timer_flag) {
           g_bl_timer_flag = 0;   //if it has, clear the flag

           lcd.setBrightness(bright);
        }
                         
    }
}

// time-triggered interrupt for red
void bl_timer_isr()
{
    g_bl_timer_flag = 1;   // set flag in ISR
}