mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

platform/Stream.h@178:79309dc6340a, 2017-11-23 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 23 11:57:25 2017 +0000
Revision:
178:79309dc6340a
Parent:
168:9672193075cf
Child:
187:0387e8f68319
mbed-dev library. Release version 156

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 167:e84263d55307 1 /* mbed Microcontroller Library
AnnaBridge 167:e84263d55307 2 * Copyright (c) 2006-2013 ARM Limited
AnnaBridge 167:e84263d55307 3 *
AnnaBridge 167:e84263d55307 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 167:e84263d55307 5 * you may not use this file except in compliance with the License.
AnnaBridge 167:e84263d55307 6 * You may obtain a copy of the License at
AnnaBridge 167:e84263d55307 7 *
AnnaBridge 167:e84263d55307 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 167:e84263d55307 9 *
AnnaBridge 167:e84263d55307 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 167:e84263d55307 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 167:e84263d55307 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 167:e84263d55307 13 * See the License for the specific language governing permissions and
AnnaBridge 167:e84263d55307 14 * limitations under the License.
AnnaBridge 167:e84263d55307 15 */
AnnaBridge 167:e84263d55307 16 #ifndef MBED_STREAM_H
AnnaBridge 167:e84263d55307 17 #define MBED_STREAM_H
AnnaBridge 167:e84263d55307 18
AnnaBridge 167:e84263d55307 19 #include "platform/platform.h"
AnnaBridge 167:e84263d55307 20 #include "platform/FileLike.h"
AnnaBridge 167:e84263d55307 21 #include "platform/FileHandle.h"
AnnaBridge 168:9672193075cf 22 #include "platform/NonCopyable.h"
AnnaBridge 167:e84263d55307 23 #include <cstdio>
AnnaBridge 167:e84263d55307 24 #include <cstdarg>
AnnaBridge 167:e84263d55307 25
AnnaBridge 167:e84263d55307 26 namespace mbed {
AnnaBridge 167:e84263d55307 27 /** \addtogroup platform */
AnnaBridge 167:e84263d55307 28 /** @{*/
AnnaBridge 178:79309dc6340a 29 /**
AnnaBridge 178:79309dc6340a 30 * \defgroup platform_Stream Stream class
AnnaBridge 178:79309dc6340a 31 * @{
AnnaBridge 178:79309dc6340a 32 */
AnnaBridge 167:e84263d55307 33
AnnaBridge 167:e84263d55307 34 extern void mbed_set_unbuffered_stream(std::FILE *_file);
AnnaBridge 167:e84263d55307 35 extern int mbed_getc(std::FILE *_file);
AnnaBridge 167:e84263d55307 36 extern char* mbed_gets(char *s, int size, std::FILE *_file);
AnnaBridge 167:e84263d55307 37
AnnaBridge 167:e84263d55307 38 /** File stream
AnnaBridge 167:e84263d55307 39 *
AnnaBridge 167:e84263d55307 40 * @note Synchronization level: Set by subclass
AnnaBridge 167:e84263d55307 41 */
AnnaBridge 168:9672193075cf 42 class Stream : public FileLike, private NonCopyable<Stream> {
AnnaBridge 167:e84263d55307 43
AnnaBridge 167:e84263d55307 44 public:
AnnaBridge 167:e84263d55307 45 Stream(const char *name=NULL);
AnnaBridge 167:e84263d55307 46 virtual ~Stream();
AnnaBridge 167:e84263d55307 47
AnnaBridge 167:e84263d55307 48 int putc(int c);
AnnaBridge 167:e84263d55307 49 int puts(const char *s);
AnnaBridge 167:e84263d55307 50 int getc();
AnnaBridge 167:e84263d55307 51 char *gets(char *s, int size);
AnnaBridge 167:e84263d55307 52 int printf(const char* format, ...);
AnnaBridge 167:e84263d55307 53 int scanf(const char* format, ...);
AnnaBridge 167:e84263d55307 54 int vprintf(const char* format, std::va_list args);
AnnaBridge 167:e84263d55307 55 int vscanf(const char* format, std::va_list args);
AnnaBridge 167:e84263d55307 56
AnnaBridge 167:e84263d55307 57 operator std::FILE*() {return _file;}
AnnaBridge 167:e84263d55307 58
AnnaBridge 167:e84263d55307 59 protected:
AnnaBridge 167:e84263d55307 60 virtual int close();
AnnaBridge 167:e84263d55307 61 virtual ssize_t write(const void* buffer, size_t length);
AnnaBridge 167:e84263d55307 62 virtual ssize_t read(void* buffer, size_t length);
AnnaBridge 167:e84263d55307 63 virtual off_t seek(off_t offset, int whence);
AnnaBridge 167:e84263d55307 64 virtual off_t tell();
AnnaBridge 167:e84263d55307 65 virtual void rewind();
AnnaBridge 167:e84263d55307 66 virtual int isatty();
AnnaBridge 167:e84263d55307 67 virtual int sync();
AnnaBridge 167:e84263d55307 68 virtual off_t size();
AnnaBridge 167:e84263d55307 69
AnnaBridge 167:e84263d55307 70 virtual int _putc(int c) = 0;
AnnaBridge 167:e84263d55307 71 virtual int _getc() = 0;
AnnaBridge 167:e84263d55307 72
AnnaBridge 167:e84263d55307 73 std::FILE *_file;
AnnaBridge 167:e84263d55307 74
AnnaBridge 167:e84263d55307 75 /** Acquire exclusive access to this object.
AnnaBridge 167:e84263d55307 76 */
AnnaBridge 167:e84263d55307 77 virtual void lock() {
AnnaBridge 167:e84263d55307 78 // Stub
AnnaBridge 167:e84263d55307 79 }
AnnaBridge 167:e84263d55307 80
AnnaBridge 167:e84263d55307 81 /** Release exclusive access to this object.
AnnaBridge 167:e84263d55307 82 */
AnnaBridge 167:e84263d55307 83 virtual void unlock() {
AnnaBridge 167:e84263d55307 84 // Stub
AnnaBridge 167:e84263d55307 85 }
AnnaBridge 167:e84263d55307 86 };
AnnaBridge 178:79309dc6340a 87 /**@}*/
AnnaBridge 167:e84263d55307 88
AnnaBridge 178:79309dc6340a 89 /**@}*/
AnnaBridge 167:e84263d55307 90 } // namespace mbed
AnnaBridge 167:e84263d55307 91
AnnaBridge 167:e84263d55307 92 #endif
AnnaBridge 167:e84263d55307 93