Diff: LEDout.h

Revision:

0:3e7de538b366

Child:

1:bef84bec3049

diff -r 000000000000 -r 3e7de538b366 LEDout.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LEDout.h	Wed Sep 05 06:16:31 2012 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+class LEDout : public BusOut
+{
+    public:
+      /** Create a LEDout object 
+      *  
+      */
+
+    LEDout():BusOut(LED1,LED2,LED3,LED4) {
+        _cmd=0;
+        _dur=0;
+        _blankwait=2; //sec
+        //  printf("Ledout init\n");
+    }
+       /** Non-blocking process
+      *  @param cmd 1-15
+        @param cnt how many times to blink
+      */
+    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);
+
+
+    }
+    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);
+        }
+    }
+    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;
+        }
+    }
+};