File content as of revision 3:cbca11570652:

#include "mbed.h"

/**
*@file LEDout.h
*@brief Library to show error code with MBED leds.
*@author Egon
*@date 9/5/2012
*/
class LEDout : public BusOut
{
public:
    /** 
    *Create a LEDout object
    * @file LEDout.h
    */

    LEDout():BusOut(LED1,LED2,LED3,LED4) {
        _cmd=0;
        _dur=0;
        _blankwait=2; //sec
        //  printf("Ledout init\n");
    }
    /** 
    
    *   Non-blocking process blink
    * @file LEDout.h
    *  @param cmd 1-15
    *  @param cnt how many times to blink
    *  @param dur blink interval default 0.2sec
    */
    void blink(int cmd,int cnt, float dur=0.2) {// parallel process
        _cmd=0;
        _dur=0;
        _cmd=cmd;
        _dur=dur*1000*1000;
        _blinkcnt=0;//reset
        _blinkamount=cnt*2;//on/off
        //  printf("Blink start cmd %d dur %f blinkcnt %d amount %d cnt %d\n",_cmd,_dur,_blinkcnt,_blinkamount, cnt);
        _ticker2.attach_us(this,&LEDout::blinktick,_dur);
        //   printf("Blink start cmd %d dur %f blinkcnt %d amount %d cnt %d\n",_cmd,_dur,_blinkcnt,_blinkamount, cnt);


    }
    /*
    * Blocking process blink
    * @file LEDout.h
    *  @param cmd 1-15
    *  @param cnt how many times to blink
    *  @param dur blink interval default 0.2sec
    */
    void blinks(int cmd,int cnt, float dur =0.2) {// blocking
        for (int k=1; k<=cnt; k++) {
            LEDout::write(cmd);//ON
            wait(dur);
            LEDout::write(0);//OFF
            wait(dur);
        }
    }
    /*
    * Blocking process and end with loop
    * @file LEDout.h
    *  @param cmd 1-15
    *  @param cnt how many times to blink
    *  @param dur blink interval default 0.2sec
    */
    void blinkSet(int cmd,int cnt, float dur =0.2) {// blocking and stopping

        while (1) {
            blinks( cmd, cnt,  dur);
            wait(_blankwait); // blank space
        }
    }
protected:
    Timeout _timeout;
    Ticker _ticker2;
    int _blinkcnt;
    int _blinkamount;
    int _cmd; // bit command
    float _blankwait;
    float _dur;


    void blinktick(void) {// ticker function

        // printf("blink\n");
        if (LEDout::read()==_cmd)//command
            LEDout::write(0);
        else
            LEDout::write(_cmd);

        _blinkcnt++;

        if (_blinkamount==NULL or !_blinkamount)return;

        if (_blinkcnt==_blinkamount) {
            _ticker2.detach();
            return;
        }
    }
};