work shop sample(Challenge2)

Challenge2_simple/mbed/Stream.h

Committer:
AkiraK
Date:
2012-10-24
Revision:
0:51b2096d0077

File content as of revision 0:51b2096d0077:

/* mbed Microcontroller Library - Stream
 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
 */ 
 
#ifndef MBED_STREAM_H
#define MBED_STREAM_H

#include "FileLike.h"
#include "platform.h"
#include <cstdio>

namespace mbed {

class Stream : public FileLike {

public:
    
    Stream(const char *name = NULL);
    virtual ~Stream();

    int putc(int c) {
        fflush(_file);
        return std::fputc(c, _file); 
    }
    int puts(const char *s) {
        fflush(_file);
        return std::fputs(s, _file); 
    }
    int getc() {
        fflush(_file);
        return std::fgetc(_file);
    }
    char *gets(char *s, int size) {
        fflush(_file);
        return std::fgets(s,size,_file);;
    }
    int printf(const char* format, ...);
    int scanf(const char* format, ...);
    
    operator std::FILE*() { return _file; }

#ifdef MBED_RPC
    virtual const struct rpc_method *get_rpc_methods();
#endif

protected:

    virtual int close();
    virtual ssize_t write(const void* buffer, size_t length);
    virtual ssize_t read(void* buffer, size_t length);
    virtual off_t lseek(off_t offset, int whence);
    virtual int isatty();
    virtual int fsync();
    virtual off_t flen();

    virtual int _putc(int c) = 0;
    virtual int _getc() = 0;
    
    std::FILE *_file;
    
};

} // namespace mbed

#endif