siva surendar / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

drivers/Stream.h@150:da61ba4e9755, 2016-11-25 (annotated)

Committer:
sivasuren
Date:
Fri Nov 25 07:57:40 2016 +0000
Revision:
150:da61ba4e9755
Parent:
149:156823d33999 
surendar changes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16 #ifndef MBED_STREAM_H
<> 149:156823d33999 17 #define MBED_STREAM_H
<> 149:156823d33999 18
<> 149:156823d33999 19 #include "platform/platform.h"
<> 149:156823d33999 20 #include "drivers/FileLike.h"
<> 149:156823d33999 21 #include <cstdarg>
<> 149:156823d33999 22
<> 149:156823d33999 23 namespace mbed {
<> 149:156823d33999 24 /** \addtogroup drivers */
<> 149:156823d33999 25 /** @{*/
<> 149:156823d33999 26
<> 149:156823d33999 27 extern void mbed_set_unbuffered_stream(FILE *_file);
<> 149:156823d33999 28 extern int mbed_getc(FILE *_file);
<> 149:156823d33999 29 extern char* mbed_gets(char *s, int size, FILE *_file);
<> 149:156823d33999 30
<> 149:156823d33999 31 /** File stream
<> 149:156823d33999 32 *
<> 149:156823d33999 33 * @Note Synchronization level: Set by subclass
<> 149:156823d33999 34 */
<> 149:156823d33999 35 class Stream : public FileLike {
<> 149:156823d33999 36
<> 149:156823d33999 37 public:
<> 149:156823d33999 38 Stream(const char *name=NULL);
<> 149:156823d33999 39 virtual ~Stream();
<> 149:156823d33999 40
<> 149:156823d33999 41 int putc(int c);
<> 149:156823d33999 42 int puts(const char *s);
<> 149:156823d33999 43 int getc();
<> 149:156823d33999 44 char *gets(char *s, int size);
<> 149:156823d33999 45 int printf(const char* format, ...);
<> 149:156823d33999 46 int scanf(const char* format, ...);
<> 149:156823d33999 47 int vprintf(const char* format, std::va_list args);
<> 149:156823d33999 48 int vscanf(const char* format, std::va_list args);
<> 149:156823d33999 49
<> 149:156823d33999 50 operator std::FILE*() {return _file;}
<> 149:156823d33999 51
<> 149:156823d33999 52 protected:
<> 149:156823d33999 53 virtual int close();
<> 149:156823d33999 54 virtual ssize_t write(const void* buffer, size_t length);
<> 149:156823d33999 55 virtual ssize_t read(void* buffer, size_t length);
<> 149:156823d33999 56 virtual off_t lseek(off_t offset, int whence);
<> 149:156823d33999 57 virtual int isatty();
<> 149:156823d33999 58 virtual int fsync();
<> 149:156823d33999 59 virtual off_t flen();
<> 149:156823d33999 60
<> 149:156823d33999 61 virtual int _putc(int c) = 0;
<> 149:156823d33999 62 virtual int _getc() = 0;
<> 149:156823d33999 63
<> 149:156823d33999 64 std::FILE *_file;
<> 149:156823d33999 65
<> 149:156823d33999 66 /* disallow copy constructor and assignment operators */
<> 149:156823d33999 67 private:
<> 149:156823d33999 68 Stream(const Stream&);
<> 149:156823d33999 69 Stream & operator = (const Stream&);
<> 149:156823d33999 70 };
<> 149:156823d33999 71
<> 149:156823d33999 72 } // namespace mbed
<> 149:156823d33999 73
<> 149:156823d33999 74 #endif
<> 149:156823d33999 75
<> 149:156823d33999 76 /** @}*/