APP 4

Dependencies:   mbed CRC16 mbed-rtos

Files at this revision

API Documentation at this revision

Comitter:
manl2003
Date:
Tue Feb 23 21:15:05 2016 +0000
Parent:
26:f2b37f9dfca9
Commit message:
Tout beau, mef inclue.

Changed in this revision

MEF.cpp Show annotated file Show diff for this revision Revisions of this file
MEF.h Show annotated file Show diff for this revision Revisions of this file
diff -r f2b37f9dfca9 -r 011ad1667040 MEF.cpp
--- a/MEF.cpp	Tue Feb 23 20:56:47 2016 +0000
+++ b/MEF.cpp	Tue Feb 23 21:15:05 2016 +0000
@@ -21,6 +21,7 @@
         case PREAMBLE :
         default :
                 {
+                    //On vérifie si dans les 8 derniers bits se trouve le préambule
                     m_InputBuffer[0] = m_InputBuffer[1];
                     m_InputBuffer[1] = m_InputBuffer[2];
                     m_InputBuffer[2] = m_InputBuffer[3];
@@ -38,6 +39,7 @@
                 }break;
         case START :
                 {
+                    //Verification du start byte
                     m_InputBuffer[m_Counter] = bit;
                     m_Counter++;
                     if(m_Counter >= 8)
@@ -49,7 +51,7 @@
                         }
                         else
                         {
-                            //Bluboom
+                            //Frame drop
                             _decodeError();
                             state = PREAMBLE;
                             init();                            
@@ -58,6 +60,7 @@
                 }break;
         case TYPE :
                 {
+                    //8 bits de type
                     m_Counter ++;
                     if(m_Counter >= 8)
                     {
@@ -68,6 +71,7 @@
                 }break;
         case LENGTH :
                 {
+                    //Longueur du data
                     m_InputBuffer[m_Counter] = bit;
                     m_Counter++;
                     if(m_Counter >= 8)
@@ -80,6 +84,7 @@
                 }break;
         case DATA :
                 {
+                    //Interprétation du data
                     m_BSPayload[m_Counter] = bit;
                     if (((m_Counter + 1) % 8) == 0 && m_Counter != 0)
                     {
@@ -95,13 +100,14 @@
                 }break;
         case CRC16STATE :
                 {
+                    //Réception du checksum et calcul
                     m_InputBuffer[m_Counter] = bit;
                     m_Counter++;
                     if(m_Counter >= 16)
                     {
                         if(!compareCRC())
                         {
-                            //BOOMBOOM
+                            //Frame drop
                             _decodeError();
                             state = PREAMBLE;
                             init();    
@@ -116,6 +122,7 @@
                 }break;
         case END :
                 {
+                    //Calcul du byte de fin
                     m_InputBuffer[m_Counter] = bit;
                     m_Counter++;
                     if(m_Counter >= 8)
@@ -124,12 +131,11 @@
                         {
                             state = PREAMBLE;
                             m_Counter = 0;
-                            //CALLBACK
+                            //Message complet, appel du callback
                             _decodeCallback(m_BSPayload, m_DataSize);   
                         }
                         else
                         {
-                            //BOOMBOOM
                             _decodeError();
                             state = PREAMBLE;
                             init();
@@ -138,6 +144,7 @@
 
                 }break;           
     }
+    //Callback pour avertir le main d'un changement d'état
     _updateState(state);
 }
 
@@ -196,7 +203,3 @@
     return m_CRC == incommingCRC;
 }
 
-void MEF::error()
-{
-    
-}
\ No newline at end of file
diff -r f2b37f9dfca9 -r 011ad1667040 MEF.h
--- a/MEF.h	Tue Feb 23 20:56:47 2016 +0000
+++ b/MEF.h	Tue Feb 23 21:15:05 2016 +0000
@@ -13,17 +13,22 @@
 
 private:
 
+    //Verification du start byte
     bool startChecker();
+    //Verification du preamble byte
     bool preambleChecker();
+    //Calcul de la longueur
     int calculateSize();
     bool compareCRC();
-    void error();
     void init();
 
-
+    //État actuel de la mef
     STATES state;
+    //Buffer d'entrée
     bitset<16> m_InputBuffer;
+    //Payload en bits
     bitset<MAX_DATA> m_BSPayload;
+    //Payload en char
     char m_CPayload[80];
     int m_Counter;
     int m_DataSize;