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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/Stream.cpp@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
cpp/Stream.cpp@2:143cac498751
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #include "Stream.h"
mbed_official 0:fd0d7bdfcdc2 17
mbed_official 0:fd0d7bdfcdc2 18 #include <cstdarg>
mbed_official 0:fd0d7bdfcdc2 19
mbed_official 0:fd0d7bdfcdc2 20 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 21
emilmont 2:143cac498751 22 Stream::Stream(const char *name) : FileLike(name) {
mbed_official 0:fd0d7bdfcdc2 23 /* open ourselves */
mbed_official 0:fd0d7bdfcdc2 24 char buf[12]; /* :0x12345678 + null byte */
mbed_official 0:fd0d7bdfcdc2 25 std::sprintf(buf, ":%p", this);
mbed_official 0:fd0d7bdfcdc2 26 _file = std::fopen(buf, "w+");
mbed_official 0:fd0d7bdfcdc2 27 setbuf(_file, NULL);
mbed_official 0:fd0d7bdfcdc2 28 }
mbed_official 0:fd0d7bdfcdc2 29
mbed_official 0:fd0d7bdfcdc2 30 Stream::~Stream() {
mbed_official 0:fd0d7bdfcdc2 31 fclose(_file);
mbed_official 0:fd0d7bdfcdc2 32 }
mbed_official 0:fd0d7bdfcdc2 33
mbed_official 0:fd0d7bdfcdc2 34 int Stream::putc(int c) {
mbed_official 0:fd0d7bdfcdc2 35 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 36 return std::fputc(c, _file);
mbed_official 0:fd0d7bdfcdc2 37 }
mbed_official 0:fd0d7bdfcdc2 38 int Stream::puts(const char *s) {
mbed_official 0:fd0d7bdfcdc2 39 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 40 return std::fputs(s, _file);
mbed_official 0:fd0d7bdfcdc2 41 }
mbed_official 0:fd0d7bdfcdc2 42 int Stream::getc() {
mbed_official 0:fd0d7bdfcdc2 43 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 44 return std::fgetc(_file);
mbed_official 0:fd0d7bdfcdc2 45 }
mbed_official 0:fd0d7bdfcdc2 46 char* Stream::gets(char *s, int size) {
mbed_official 0:fd0d7bdfcdc2 47 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 48 return std::fgets(s,size,_file);
mbed_official 0:fd0d7bdfcdc2 49 }
mbed_official 0:fd0d7bdfcdc2 50
mbed_official 0:fd0d7bdfcdc2 51 int Stream::close() {
mbed_official 0:fd0d7bdfcdc2 52 return 0;
mbed_official 0:fd0d7bdfcdc2 53 }
mbed_official 0:fd0d7bdfcdc2 54
mbed_official 0:fd0d7bdfcdc2 55 ssize_t Stream::write(const void* buffer, size_t length) {
mbed_official 0:fd0d7bdfcdc2 56 const char* ptr = (const char*)buffer;
mbed_official 0:fd0d7bdfcdc2 57 const char* end = ptr + length;
mbed_official 0:fd0d7bdfcdc2 58 while (ptr != end) {
mbed_official 0:fd0d7bdfcdc2 59 if (_putc(*ptr++) == EOF) {
mbed_official 0:fd0d7bdfcdc2 60 break;
mbed_official 0:fd0d7bdfcdc2 61 }
mbed_official 0:fd0d7bdfcdc2 62 }
mbed_official 0:fd0d7bdfcdc2 63 return ptr - (const char*)buffer;
mbed_official 0:fd0d7bdfcdc2 64 }
mbed_official 0:fd0d7bdfcdc2 65
mbed_official 0:fd0d7bdfcdc2 66 ssize_t Stream::read(void* buffer, size_t length) {
mbed_official 0:fd0d7bdfcdc2 67 char* ptr = (char*)buffer;
mbed_official 0:fd0d7bdfcdc2 68 char* end = ptr + length;
mbed_official 0:fd0d7bdfcdc2 69 while (ptr != end) {
mbed_official 0:fd0d7bdfcdc2 70 int c = _getc();
mbed_official 0:fd0d7bdfcdc2 71 if (c==EOF) break;
mbed_official 0:fd0d7bdfcdc2 72 *ptr++ = c;
mbed_official 0:fd0d7bdfcdc2 73 }
mbed_official 0:fd0d7bdfcdc2 74 return ptr - (const char*)buffer;
mbed_official 0:fd0d7bdfcdc2 75 }
mbed_official 0:fd0d7bdfcdc2 76
mbed_official 0:fd0d7bdfcdc2 77 off_t Stream::lseek(off_t offset, int whence) {
mbed_official 0:fd0d7bdfcdc2 78 return 0;
mbed_official 0:fd0d7bdfcdc2 79 }
mbed_official 0:fd0d7bdfcdc2 80
mbed_official 0:fd0d7bdfcdc2 81 int Stream::isatty() {
mbed_official 0:fd0d7bdfcdc2 82 return 0;
mbed_official 0:fd0d7bdfcdc2 83 }
mbed_official 0:fd0d7bdfcdc2 84
mbed_official 0:fd0d7bdfcdc2 85 int Stream::fsync() {
mbed_official 0:fd0d7bdfcdc2 86 return 0;
mbed_official 0:fd0d7bdfcdc2 87 }
mbed_official 0:fd0d7bdfcdc2 88
mbed_official 0:fd0d7bdfcdc2 89 off_t Stream::flen() {
mbed_official 0:fd0d7bdfcdc2 90 return 0;
mbed_official 0:fd0d7bdfcdc2 91 }
mbed_official 0:fd0d7bdfcdc2 92
mbed_official 0:fd0d7bdfcdc2 93 int Stream::printf(const char* format, ...) {
mbed_official 0:fd0d7bdfcdc2 94 std::va_list arg;
mbed_official 0:fd0d7bdfcdc2 95 va_start(arg, format);
mbed_official 0:fd0d7bdfcdc2 96 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 97 int r = vfprintf(_file, format, arg);
mbed_official 0:fd0d7bdfcdc2 98 va_end(arg);
mbed_official 0:fd0d7bdfcdc2 99 return r;
mbed_official 0:fd0d7bdfcdc2 100 }
mbed_official 0:fd0d7bdfcdc2 101
mbed_official 0:fd0d7bdfcdc2 102 int Stream::scanf(const char* format, ...) {
mbed_official 0:fd0d7bdfcdc2 103 std::va_list arg;
mbed_official 0:fd0d7bdfcdc2 104 va_start(arg, format);
mbed_official 0:fd0d7bdfcdc2 105 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 106 int r = vfscanf(_file, format, arg);
mbed_official 0:fd0d7bdfcdc2 107 va_end(arg);
mbed_official 0:fd0d7bdfcdc2 108 return r;
mbed_official 0:fd0d7bdfcdc2 109 }
mbed_official 0:fd0d7bdfcdc2 110
mbed_official 0:fd0d7bdfcdc2 111 } // namespace mbed