blinker.h

00001 // blinker.h - blinking sequences for LED1
00002 #ifndef _BLINKER_H_
00003 #define _BLINKER_H_
00004 
00005 #include <mbed.h>
00006 
00007 #  define BLINKER_SEQUENCE_IDLE         "x       "
00008 #  define BLINKER_SEQUENCE_ADVERTISE    "x xxx       "
00009 #  define BLINKER_SEQUENCE_CONNECTED    "  xxx       "
00010 #  define BLINKER_SEQUENCE_ACTION       "x x x x x       "
00011 #  define BLINKER_SEQUENCE_ERROR        "x x x x xxx "
00012 #  define BLINKER_SEQUENCE_TRANSITION   "x x x   "
00013 
00014    class Blinker
00015    {
00016       public:   // construction
00017          Blinker() {}                  // nothing to do
00018          
00019       public:
00020          void setled(bool state);
00021          void stop();
00022          void morse(const char *pattern, double periode = 0.2);
00023          void blink(const char *pattern, const char* next, double interval = 0.2);
00024          void blink(const char *pattern, double periode = 0.2);
00025 
00026          void idle(const char *action = BLINKER_SEQUENCE_IDLE)
00027          {
00028             blink(action,BLINKER_SEQUENCE_IDLE);
00029          }
00030 
00031          void advertise(const char *action = BLINKER_SEQUENCE_ADVERTISE)
00032          {
00033             blink(action,BLINKER_SEQUENCE_ADVERTISE);
00034          }
00035    
00036          void connected(const char *action = BLINKER_SEQUENCE_ACTION) 
00037          {
00038             blink(action, BLINKER_SEQUENCE_CONNECTED);  
00039          }
00040 
00041          void action()                 // 'action' blink sequence
00042          {
00043             blink(BLINKER_SEQUENCE_ACTION, BLINKER_SEQUENCE_IDLE);
00044          }
00045 
00046          void error(const char *action = BLINKER_SEQUENCE_ERROR)
00047          {
00048             blink(action,BLINKER_SEQUENCE_ERROR);
00049          }
00050 
00051          void on()                     // switch LED on
00052          {
00053              stop();  
00054              setled(true);
00055          }
00056 
00057          void off()                    // switch LED off
00058          {
00059              stop();  
00060              setled(false);
00061          }
00062    };
00063    
00064 #endif // _BLINKER_H_