Morpheus / mbed-hal

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Dependencies:   target-freescale

common/Stream.cpp@0:9c59db1fbc9e, 2016-03-23 (annotated)

Committer:
screamer
Date:
Wed Mar 23 21:36:09 2016 +0000
Revision:
0:9c59db1fbc9e
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:9c59db1fbc9e 1 /* mbed Microcontroller Library
screamer 0:9c59db1fbc9e 2 * Copyright (c) 2006-2013 ARM Limited
screamer 0:9c59db1fbc9e 3 *
screamer 0:9c59db1fbc9e 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:9c59db1fbc9e 5 * you may not use this file except in compliance with the License.
screamer 0:9c59db1fbc9e 6 * You may obtain a copy of the License at
screamer 0:9c59db1fbc9e 7 *
screamer 0:9c59db1fbc9e 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:9c59db1fbc9e 9 *
screamer 0:9c59db1fbc9e 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:9c59db1fbc9e 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:9c59db1fbc9e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:9c59db1fbc9e 13 * See the License for the specific language governing permissions and
screamer 0:9c59db1fbc9e 14 * limitations under the License.
screamer 0:9c59db1fbc9e 15 */
screamer 0:9c59db1fbc9e 16 #include "Stream.h"
screamer 0:9c59db1fbc9e 17
screamer 0:9c59db1fbc9e 18 namespace mbed {
screamer 0:9c59db1fbc9e 19
screamer 0:9c59db1fbc9e 20 Stream::Stream(const char *name) : FileLike(name), _file(NULL) {
screamer 0:9c59db1fbc9e 21 /* open ourselves */
screamer 0:9c59db1fbc9e 22 char buf[12]; /* :0x12345678 + null byte */
screamer 0:9c59db1fbc9e 23 std::sprintf(buf, ":%p", this);
screamer 0:9c59db1fbc9e 24 _file = std::fopen(buf, "w+");
screamer 0:9c59db1fbc9e 25 mbed_set_unbuffered_stream(_file);
screamer 0:9c59db1fbc9e 26 }
screamer 0:9c59db1fbc9e 27
screamer 0:9c59db1fbc9e 28 Stream::~Stream() {
screamer 0:9c59db1fbc9e 29 fclose(_file);
screamer 0:9c59db1fbc9e 30 }
screamer 0:9c59db1fbc9e 31
screamer 0:9c59db1fbc9e 32 int Stream::putc(int c) {
screamer 0:9c59db1fbc9e 33 fflush(_file);
screamer 0:9c59db1fbc9e 34 return std::fputc(c, _file);
screamer 0:9c59db1fbc9e 35 }
screamer 0:9c59db1fbc9e 36 int Stream::puts(const char *s) {
screamer 0:9c59db1fbc9e 37 fflush(_file);
screamer 0:9c59db1fbc9e 38 return std::fputs(s, _file);
screamer 0:9c59db1fbc9e 39 }
screamer 0:9c59db1fbc9e 40 int Stream::getc() {
screamer 0:9c59db1fbc9e 41 fflush(_file);
screamer 0:9c59db1fbc9e 42 return mbed_getc(_file);
screamer 0:9c59db1fbc9e 43 }
screamer 0:9c59db1fbc9e 44 char* Stream::gets(char *s, int size) {
screamer 0:9c59db1fbc9e 45 fflush(_file);
screamer 0:9c59db1fbc9e 46 return mbed_gets(s,size,_file);
screamer 0:9c59db1fbc9e 47 }
screamer 0:9c59db1fbc9e 48
screamer 0:9c59db1fbc9e 49 int Stream::close() {
screamer 0:9c59db1fbc9e 50 return 0;
screamer 0:9c59db1fbc9e 51 }
screamer 0:9c59db1fbc9e 52
screamer 0:9c59db1fbc9e 53 ssize_t Stream::write(const void* buffer, size_t length) {
screamer 0:9c59db1fbc9e 54 const char* ptr = (const char*)buffer;
screamer 0:9c59db1fbc9e 55 const char* end = ptr + length;
screamer 0:9c59db1fbc9e 56 while (ptr != end) {
screamer 0:9c59db1fbc9e 57 if (_putc(*ptr++) == EOF) {
screamer 0:9c59db1fbc9e 58 break;
screamer 0:9c59db1fbc9e 59 }
screamer 0:9c59db1fbc9e 60 }
screamer 0:9c59db1fbc9e 61 return ptr - (const char*)buffer;
screamer 0:9c59db1fbc9e 62 }
screamer 0:9c59db1fbc9e 63
screamer 0:9c59db1fbc9e 64 ssize_t Stream::read(void* buffer, size_t length) {
screamer 0:9c59db1fbc9e 65 char* ptr = (char*)buffer;
screamer 0:9c59db1fbc9e 66 char* end = ptr + length;
screamer 0:9c59db1fbc9e 67 while (ptr != end) {
screamer 0:9c59db1fbc9e 68 int c = _getc();
screamer 0:9c59db1fbc9e 69 if (c==EOF) break;
screamer 0:9c59db1fbc9e 70 *ptr++ = c;
screamer 0:9c59db1fbc9e 71 }
screamer 0:9c59db1fbc9e 72 return ptr - (const char*)buffer;
screamer 0:9c59db1fbc9e 73 }
screamer 0:9c59db1fbc9e 74
screamer 0:9c59db1fbc9e 75 off_t Stream::lseek(off_t offset, int whence) {
screamer 0:9c59db1fbc9e 76 return 0;
screamer 0:9c59db1fbc9e 77 }
screamer 0:9c59db1fbc9e 78
screamer 0:9c59db1fbc9e 79 int Stream::isatty() {
screamer 0:9c59db1fbc9e 80 return 0;
screamer 0:9c59db1fbc9e 81 }
screamer 0:9c59db1fbc9e 82
screamer 0:9c59db1fbc9e 83 int Stream::fsync() {
screamer 0:9c59db1fbc9e 84 return 0;
screamer 0:9c59db1fbc9e 85 }
screamer 0:9c59db1fbc9e 86
screamer 0:9c59db1fbc9e 87 off_t Stream::flen() {
screamer 0:9c59db1fbc9e 88 return 0;
screamer 0:9c59db1fbc9e 89 }
screamer 0:9c59db1fbc9e 90
screamer 0:9c59db1fbc9e 91 int Stream::printf(const char* format, ...) {
screamer 0:9c59db1fbc9e 92 std::va_list arg;
screamer 0:9c59db1fbc9e 93 va_start(arg, format);
screamer 0:9c59db1fbc9e 94 fflush(_file);
screamer 0:9c59db1fbc9e 95 int r = vfprintf(_file, format, arg);
screamer 0:9c59db1fbc9e 96 va_end(arg);
screamer 0:9c59db1fbc9e 97 return r;
screamer 0:9c59db1fbc9e 98 }
screamer 0:9c59db1fbc9e 99
screamer 0:9c59db1fbc9e 100 int Stream::scanf(const char* format, ...) {
screamer 0:9c59db1fbc9e 101 std::va_list arg;
screamer 0:9c59db1fbc9e 102 va_start(arg, format);
screamer 0:9c59db1fbc9e 103 fflush(_file);
screamer 0:9c59db1fbc9e 104 int r = vfscanf(_file, format, arg);
screamer 0:9c59db1fbc9e 105 va_end(arg);
screamer 0:9c59db1fbc9e 106 return r;
screamer 0:9c59db1fbc9e 107 }
screamer 0:9c59db1fbc9e 108
screamer 0:9c59db1fbc9e 109 int Stream::vprintf(const char* format, std::va_list args) {
screamer 0:9c59db1fbc9e 110 fflush(_file);
screamer 0:9c59db1fbc9e 111 int r = vfprintf(_file, format, args);
screamer 0:9c59db1fbc9e 112 return r;
screamer 0:9c59db1fbc9e 113 }
screamer 0:9c59db1fbc9e 114
screamer 0:9c59db1fbc9e 115 int Stream::vscanf(const char* format, std::va_list args) {
screamer 0:9c59db1fbc9e 116 fflush(_file);
screamer 0:9c59db1fbc9e 117 int r = vfscanf(_file, format, args);
screamer 0:9c59db1fbc9e 118 return r;
screamer 0:9c59db1fbc9e 119 }
screamer 0:9c59db1fbc9e 120
screamer 0:9c59db1fbc9e 121 } // namespace mbed
screamer 0:9c59db1fbc9e 122