tserialbuffer.h

00001 /*
00002  * Copyright (c) 2011 Toshihisa T
00003  * Released under the MIT License: http://mbed.org/license/mit
00004  */
00005 
00006 #ifndef __TSERIALBUFFER_H
00007 #define __TSERIALBUFFER_H
00008 
00009 #include "mbed.h"
00010 #include "tringbuffer.h"
00011 #include "tversion.h"
00012 
00013 namespace libT {
00014 
00015 class tSerialBuffer : public tRingBuffer<unsigned char> , public Serial , public tVersion {
00016 
00017 public:
00018     tSerialBuffer(PinName _tx, PinName _rx) : Serial(_tx,_rx) , tVersion(0x20100720/* 2010-07-20 */,0x00000001UL){}
00019 
00020     void recvStart(void){
00021         Serial::attach(this,&tSerialBuffer::recvHandler,Serial::RxIrq);
00022     }
00023     void recvStop(void){
00024         Serial::attach(0,Serial::RxIrq);
00025     }
00026 
00027     int readable(void){
00028         return tRingBuffer::readable();
00029     }
00030 
00031     int getc(void){
00032         unsigned char _c;
00033         int retval = -1;
00034         if(tRingBuffer::readable()){
00035             (void)tRingBuffer::read(&_c);
00036             retval = static_cast<int>(_c);
00037         }
00038         return retval;
00039     }
00040 
00041 private:
00042     void recvHandler(void){
00043         if(Serial::readable()){
00044             tRingBuffer::write(static_cast<unsigned char>(Serial::getc()));
00045         }
00046     }
00047 
00048 };
00049 
00050 };
00051 
00052 #endif /* __TSERIALBUFFER_H */
00053