src/apps/serialconnect/XModem.h

   1 /*
   2  * Copyright 2017, Adrien Destugues, pulkomandy@pulkomandy.tk
   3  * Distributed under terms of the MIT license.
   4  */
   5
   6
   7 #ifndef XMODEM_H
   8 #define XMODEM_H
   9
  10 #include "FileSender.h"
  11
  12 #include <Messenger.h>
  13 #include <String.h>
  14
  15
  16 class BDataIO;
  17 class BHandler;
  18 class BSerialPort;
  19
  20
  21 class XModemSender: public FileSender {
  22         public:
  23                                                                 XModemSender(BDataIO* source, BSerialPort* sink,
  24                                                                         BHandler* listener);
  25                 virtual                                 ~XModemSender();
  26
  27                 virtual bool                    BytesReceived(const uint8_t* data,
  28                                                                         size_t length);
  29         private:
  30
  31                                 void                    SendBlock();
  32                                 status_t                NextBlock();
  33
  34                                 uint16_t                CRC(const uint8_t* buffer, size_t size);
  35
  36         private:
  37                                 BDataIO*                fSource;
  38                                 BSerialPort*    fSink;
  39                                 BMessenger              fListener;
  40                                 off_t                   fBlockNumber;
  41                                 off_t                   fSourceSize;
  42                                 uint8_t                 fBuffer[128];
  43                                 bool                    fEotSent;
  44                                 bool                    fUseCRC;
  45                                 BString                 fStatus;
  46 };
  47
  48
  49 #endif /* !XMODEM_H */