File content as of revision 4:1490375a8766:

#include "mbed.h"
#include "SLCD.h"

#define LEDON false
#define LEDOFF true
#define NUMBUTS 2
#define LBUT PTC12  // port addresses for buttons
#define RBUT PTC3
#define BLINKTIME 0.2// in seconds //SB - changed the LED blink time to 200 ms
#define OFFTIME 0.5 //SB - created off time and set it to 500 ms
#define BUTTONTIME 0.2
#define LCDCHARLEN 25   //SB - Changed the character length allowed
#define NUMMESS 2
#define LRED "RED"
#define LGREEN "GREN"
#define PRED "RED BUTTON PUSHED\r\n"    //SB - entered new red button sentence
#define PGREEN "GREEN BUTTON PUSHED\r\n"    //SB - entered new green button sentence
#define PROGNAME "sbart_blinky_edit\r\n"

#include <string>


// slightly more interesting blinky 140814 sc
SLCD slcd; //define LCD display

// Timer to elliminate wait() function
Timer LEDTimer; // for blinking LEDs
Timer OffTimer; // for off state
Timer ButtonTimer; // for reading button states

bool ledState = LEDON;

DigitalIn buttons[NUMBUTS] = {RBUT, LBUT};
DigitalOut LEDs[NUMBUTS] = {LED_GREEN, LED_RED};
Serial pc(USBTX, USBRX);// set up USB as communicationis to Host PC via USB connectons

void allLEDsOff(){
    int i;
    for (i=0; i<NUMBUTS; i++){ 
        LEDs[i] = LEDOFF;    
    }
}
 
void LCDMess(char *lMess){
        slcd.Home();
        slcd.clear();
        slcd.printf(lMess);
}

void initialize_global_vars(){
    pc.printf(PROGNAME);
    // set up DAQ timers
    ButtonTimer.start();
    ButtonTimer.reset();
    LEDTimer.start();
    LEDTimer.reset();  
    allLEDsOff();
} 
// --------------------------------
 int main() {
    int i; 
    int currentLED = 0;
    char rMess[NUMMESS][LCDCHARLEN]={LGREEN, LRED}; // for LCD
    char pMess[NUMMESS][LCDCHARLEN]={PGREEN, PRED}; // for pc serial port

    initialize_global_vars(); //keep things organized
    LEDs[currentLED] = LEDON;
    LCDMess(rMess[currentLED]);
    pc.printf(pMess[currentLED]);
// End of setup
    while(true) {
        if (ButtonTimer > BUTTONTIME){
            for (i=0; i<NUMBUTS; i++){ // index will be 0 or 1 
                if(!buttons[i]) { 
                    allLEDsOff();  
                    LCDMess(rMess[i]);
                    pc.printf(pMess[i]); 
                    currentLED = i;
                } // if ! buttons
            }// for loop to look at buttons
            ButtonTimer.reset();
        }
        if(LEDTimer.read() > BLINKTIME){
            ledState = !ledState; // Flip the general state
            LEDs[currentLED] = ledState;
            wait(OFFTIME);  //SB - Wait for the off time to pass..
            LEDTimer.reset();   //SB - then reset

        }
    // Do other things here between times of reading and flashing
    }
}