Diff: SerialEvent.h

Revision:

0:a321a9d74411

diff -r 000000000000 -r a321a9d74411 SerialEvent.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SerialEvent.h	Thu Jun 23 07:35:38 2016 +0000
@@ -0,0 +1,58 @@
+#include "mbed.h"
+#ifndef SERIALEVENT_H
+#define SERIALEVENT_H
+ 
+const uint8_t STRMAX = 20;  
+const char EOT = ' ';
+const char CRLF = '\n';
+// ---------------- Serial RS232 Event Class  --------------------------
+class SerialEvent {
+        Serial _pc;
+        void _risingISR();
+        char _str[STRMAX]; 
+        volatile bool _strOkFlag;
+        int _index;
+ 
+ 
+    public:
+        SerialEvent(PinName tx, PinName rx) : _pc(tx, rx) { // create the Serial on the pin specified to SwEvent
+            _pc.attach(this, &SerialEvent::pc_recv);        // attach DataReceive-function of this SerialEvent instance 
+            _strOkFlag = false;
+            _index=0;
+ 
+        }
+        void pc_recv();
+        void getString(char st[]);
+        int checkFlag();                                    // must in do-condition (while(true)-loop) continuously interrogated
+};
+// ---------------- Serial Event Class Methodes --------------------------
+void SerialEvent::getString(char st[]) {
+    for( int i=0; i <= _index; i++)
+        st[i] = _str[i];
+    _index=0;
+}
+ 
+void SerialEvent::pc_recv() {
+    char c;
+    while(_pc.readable()){
+        c = _pc.getc();
+        if((c != CRLF) && (_index < STRMAX)) {
+            _str[_index++] = c;
+        }
+    }
+    if(( c == EOT)) {           // end: . string not empty
+        if(_index >= 1) {
+            _strOkFlag = true;
+            _str[--_index] = 0; 
+        }
+    }
+}
+ 
+int SerialEvent::checkFlag() {
+    if( _strOkFlag ) {
+        _strOkFlag = false; 
+        return 1;
+    }
+    return 0;
+}
+#endif