mbed-os5 only for TYBLE16
Dependents: TYBLE16_simple_data_logger TYBLE16_MP3_Air
platform/source/Stream.cpp@1:9db0e321a9f4, 2019-12-31 (annotated)
- Committer:
- kenjiArai
- Date:
- Tue Dec 31 06:02:27 2019 +0000
- Revision:
- 1:9db0e321a9f4
updated based on mbed-os5.15.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 1:9db0e321a9f4 | 1 | /* mbed Microcontroller Library |
kenjiArai | 1:9db0e321a9f4 | 2 | * Copyright (c) 2006-2013 ARM Limited |
kenjiArai | 1:9db0e321a9f4 | 3 | * SPDX-License-Identifier: Apache-2.0 |
kenjiArai | 1:9db0e321a9f4 | 4 | * |
kenjiArai | 1:9db0e321a9f4 | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
kenjiArai | 1:9db0e321a9f4 | 6 | * you may not use this file except in compliance with the License. |
kenjiArai | 1:9db0e321a9f4 | 7 | * You may obtain a copy of the License at |
kenjiArai | 1:9db0e321a9f4 | 8 | * |
kenjiArai | 1:9db0e321a9f4 | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
kenjiArai | 1:9db0e321a9f4 | 10 | * |
kenjiArai | 1:9db0e321a9f4 | 11 | * Unless required by applicable law or agreed to in writing, software |
kenjiArai | 1:9db0e321a9f4 | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
kenjiArai | 1:9db0e321a9f4 | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
kenjiArai | 1:9db0e321a9f4 | 14 | * See the License for the specific language governing permissions and |
kenjiArai | 1:9db0e321a9f4 | 15 | * limitations under the License. |
kenjiArai | 1:9db0e321a9f4 | 16 | */ |
kenjiArai | 1:9db0e321a9f4 | 17 | #include "platform/Stream.h" |
kenjiArai | 1:9db0e321a9f4 | 18 | #include "platform/mbed_error.h" |
kenjiArai | 1:9db0e321a9f4 | 19 | #include <errno.h> |
kenjiArai | 1:9db0e321a9f4 | 20 | |
kenjiArai | 1:9db0e321a9f4 | 21 | namespace mbed { |
kenjiArai | 1:9db0e321a9f4 | 22 | |
kenjiArai | 1:9db0e321a9f4 | 23 | Stream::Stream(const char *name) : |
kenjiArai | 1:9db0e321a9f4 | 24 | FileLike(name) |
kenjiArai | 1:9db0e321a9f4 | 25 | #if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 26 | , _file(NULL) |
kenjiArai | 1:9db0e321a9f4 | 27 | #endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 28 | { |
kenjiArai | 1:9db0e321a9f4 | 29 | // No lock needed in constructor |
kenjiArai | 1:9db0e321a9f4 | 30 | #if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 31 | /* open ourselves */ |
kenjiArai | 1:9db0e321a9f4 | 32 | _file = fdopen(this, "w+"); |
kenjiArai | 1:9db0e321a9f4 | 33 | // fdopen() will make us buffered because Stream::isatty() |
kenjiArai | 1:9db0e321a9f4 | 34 | // wrongly returns zero which is not being changed for |
kenjiArai | 1:9db0e321a9f4 | 35 | // backward compatibility |
kenjiArai | 1:9db0e321a9f4 | 36 | if (_file) { |
kenjiArai | 1:9db0e321a9f4 | 37 | mbed_set_unbuffered_stream(_file); |
kenjiArai | 1:9db0e321a9f4 | 38 | } else { |
kenjiArai | 1:9db0e321a9f4 | 39 | MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_OPEN_FAILED), "Stream obj failure", _file); |
kenjiArai | 1:9db0e321a9f4 | 40 | } |
kenjiArai | 1:9db0e321a9f4 | 41 | #endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 42 | } |
kenjiArai | 1:9db0e321a9f4 | 43 | |
kenjiArai | 1:9db0e321a9f4 | 44 | Stream::~Stream() |
kenjiArai | 1:9db0e321a9f4 | 45 | { |
kenjiArai | 1:9db0e321a9f4 | 46 | #if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 47 | // No lock can be used in destructor |
kenjiArai | 1:9db0e321a9f4 | 48 | fclose(_file); |
kenjiArai | 1:9db0e321a9f4 | 49 | #endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 50 | } |
kenjiArai | 1:9db0e321a9f4 | 51 | |
kenjiArai | 1:9db0e321a9f4 | 52 | #if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 53 | int Stream::putc(int c) |
kenjiArai | 1:9db0e321a9f4 | 54 | { |
kenjiArai | 1:9db0e321a9f4 | 55 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 56 | std::fseek(_file, 0, SEEK_CUR); |
kenjiArai | 1:9db0e321a9f4 | 57 | int ret = std::fputc(c, _file); |
kenjiArai | 1:9db0e321a9f4 | 58 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 59 | return ret; |
kenjiArai | 1:9db0e321a9f4 | 60 | } |
kenjiArai | 1:9db0e321a9f4 | 61 | int Stream::puts(const char *s) |
kenjiArai | 1:9db0e321a9f4 | 62 | { |
kenjiArai | 1:9db0e321a9f4 | 63 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 64 | std::fseek(_file, 0, SEEK_CUR); |
kenjiArai | 1:9db0e321a9f4 | 65 | int ret = std::fputs(s, _file); |
kenjiArai | 1:9db0e321a9f4 | 66 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 67 | return ret; |
kenjiArai | 1:9db0e321a9f4 | 68 | } |
kenjiArai | 1:9db0e321a9f4 | 69 | int Stream::getc() |
kenjiArai | 1:9db0e321a9f4 | 70 | { |
kenjiArai | 1:9db0e321a9f4 | 71 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 72 | fflush(_file); |
kenjiArai | 1:9db0e321a9f4 | 73 | int ret = std::fgetc(_file); |
kenjiArai | 1:9db0e321a9f4 | 74 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 75 | return ret; |
kenjiArai | 1:9db0e321a9f4 | 76 | } |
kenjiArai | 1:9db0e321a9f4 | 77 | char *Stream::gets(char *s, int size) |
kenjiArai | 1:9db0e321a9f4 | 78 | { |
kenjiArai | 1:9db0e321a9f4 | 79 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 80 | fflush(_file); |
kenjiArai | 1:9db0e321a9f4 | 81 | char *ret = std::fgets(s, size, _file); |
kenjiArai | 1:9db0e321a9f4 | 82 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 83 | return ret; |
kenjiArai | 1:9db0e321a9f4 | 84 | } |
kenjiArai | 1:9db0e321a9f4 | 85 | #endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 86 | |
kenjiArai | 1:9db0e321a9f4 | 87 | int Stream::close() |
kenjiArai | 1:9db0e321a9f4 | 88 | { |
kenjiArai | 1:9db0e321a9f4 | 89 | return 0; |
kenjiArai | 1:9db0e321a9f4 | 90 | } |
kenjiArai | 1:9db0e321a9f4 | 91 | |
kenjiArai | 1:9db0e321a9f4 | 92 | ssize_t Stream::write(const void *buffer, size_t length) |
kenjiArai | 1:9db0e321a9f4 | 93 | { |
kenjiArai | 1:9db0e321a9f4 | 94 | const char *ptr = (const char *)buffer; |
kenjiArai | 1:9db0e321a9f4 | 95 | const char *end = ptr + length; |
kenjiArai | 1:9db0e321a9f4 | 96 | |
kenjiArai | 1:9db0e321a9f4 | 97 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 98 | while (ptr != end) { |
kenjiArai | 1:9db0e321a9f4 | 99 | if (_putc(*ptr++) == EOF) { |
kenjiArai | 1:9db0e321a9f4 | 100 | break; |
kenjiArai | 1:9db0e321a9f4 | 101 | } |
kenjiArai | 1:9db0e321a9f4 | 102 | } |
kenjiArai | 1:9db0e321a9f4 | 103 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 104 | |
kenjiArai | 1:9db0e321a9f4 | 105 | return ptr - (const char *)buffer; |
kenjiArai | 1:9db0e321a9f4 | 106 | } |
kenjiArai | 1:9db0e321a9f4 | 107 | |
kenjiArai | 1:9db0e321a9f4 | 108 | ssize_t Stream::read(void *buffer, size_t length) |
kenjiArai | 1:9db0e321a9f4 | 109 | { |
kenjiArai | 1:9db0e321a9f4 | 110 | char *ptr = (char *)buffer; |
kenjiArai | 1:9db0e321a9f4 | 111 | char *end = ptr + length; |
kenjiArai | 1:9db0e321a9f4 | 112 | |
kenjiArai | 1:9db0e321a9f4 | 113 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 114 | while (ptr != end) { |
kenjiArai | 1:9db0e321a9f4 | 115 | int c = _getc(); |
kenjiArai | 1:9db0e321a9f4 | 116 | if (c == EOF) { |
kenjiArai | 1:9db0e321a9f4 | 117 | break; |
kenjiArai | 1:9db0e321a9f4 | 118 | } |
kenjiArai | 1:9db0e321a9f4 | 119 | *ptr++ = c; |
kenjiArai | 1:9db0e321a9f4 | 120 | } |
kenjiArai | 1:9db0e321a9f4 | 121 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 122 | |
kenjiArai | 1:9db0e321a9f4 | 123 | return ptr - (const char *)buffer; |
kenjiArai | 1:9db0e321a9f4 | 124 | } |
kenjiArai | 1:9db0e321a9f4 | 125 | |
kenjiArai | 1:9db0e321a9f4 | 126 | off_t Stream::seek(off_t offset, int whence) |
kenjiArai | 1:9db0e321a9f4 | 127 | { |
kenjiArai | 1:9db0e321a9f4 | 128 | return 0; |
kenjiArai | 1:9db0e321a9f4 | 129 | } |
kenjiArai | 1:9db0e321a9f4 | 130 | |
kenjiArai | 1:9db0e321a9f4 | 131 | off_t Stream::tell() |
kenjiArai | 1:9db0e321a9f4 | 132 | { |
kenjiArai | 1:9db0e321a9f4 | 133 | return 0; |
kenjiArai | 1:9db0e321a9f4 | 134 | } |
kenjiArai | 1:9db0e321a9f4 | 135 | |
kenjiArai | 1:9db0e321a9f4 | 136 | void Stream::rewind() |
kenjiArai | 1:9db0e321a9f4 | 137 | { |
kenjiArai | 1:9db0e321a9f4 | 138 | } |
kenjiArai | 1:9db0e321a9f4 | 139 | |
kenjiArai | 1:9db0e321a9f4 | 140 | int Stream::isatty() |
kenjiArai | 1:9db0e321a9f4 | 141 | { |
kenjiArai | 1:9db0e321a9f4 | 142 | return 0; |
kenjiArai | 1:9db0e321a9f4 | 143 | } |
kenjiArai | 1:9db0e321a9f4 | 144 | |
kenjiArai | 1:9db0e321a9f4 | 145 | int Stream::sync() |
kenjiArai | 1:9db0e321a9f4 | 146 | { |
kenjiArai | 1:9db0e321a9f4 | 147 | return 0; |
kenjiArai | 1:9db0e321a9f4 | 148 | } |
kenjiArai | 1:9db0e321a9f4 | 149 | |
kenjiArai | 1:9db0e321a9f4 | 150 | off_t Stream::size() |
kenjiArai | 1:9db0e321a9f4 | 151 | { |
kenjiArai | 1:9db0e321a9f4 | 152 | return 0; |
kenjiArai | 1:9db0e321a9f4 | 153 | } |
kenjiArai | 1:9db0e321a9f4 | 154 | |
kenjiArai | 1:9db0e321a9f4 | 155 | #if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 156 | |
kenjiArai | 1:9db0e321a9f4 | 157 | int Stream::printf(const char *format, ...) |
kenjiArai | 1:9db0e321a9f4 | 158 | { |
kenjiArai | 1:9db0e321a9f4 | 159 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 160 | std::va_list arg; |
kenjiArai | 1:9db0e321a9f4 | 161 | va_start(arg, format); |
kenjiArai | 1:9db0e321a9f4 | 162 | std::fseek(_file, 0, SEEK_CUR); |
kenjiArai | 1:9db0e321a9f4 | 163 | int r = vfprintf(_file, format, arg); |
kenjiArai | 1:9db0e321a9f4 | 164 | va_end(arg); |
kenjiArai | 1:9db0e321a9f4 | 165 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 166 | return r; |
kenjiArai | 1:9db0e321a9f4 | 167 | } |
kenjiArai | 1:9db0e321a9f4 | 168 | |
kenjiArai | 1:9db0e321a9f4 | 169 | int Stream::scanf(const char *format, ...) |
kenjiArai | 1:9db0e321a9f4 | 170 | { |
kenjiArai | 1:9db0e321a9f4 | 171 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 172 | std::va_list arg; |
kenjiArai | 1:9db0e321a9f4 | 173 | va_start(arg, format); |
kenjiArai | 1:9db0e321a9f4 | 174 | fflush(_file); |
kenjiArai | 1:9db0e321a9f4 | 175 | int r = vfscanf(_file, format, arg); |
kenjiArai | 1:9db0e321a9f4 | 176 | va_end(arg); |
kenjiArai | 1:9db0e321a9f4 | 177 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 178 | return r; |
kenjiArai | 1:9db0e321a9f4 | 179 | } |
kenjiArai | 1:9db0e321a9f4 | 180 | |
kenjiArai | 1:9db0e321a9f4 | 181 | int Stream::vprintf(const char *format, std::va_list args) |
kenjiArai | 1:9db0e321a9f4 | 182 | { |
kenjiArai | 1:9db0e321a9f4 | 183 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 184 | std::fseek(_file, 0, SEEK_CUR); |
kenjiArai | 1:9db0e321a9f4 | 185 | int r = vfprintf(_file, format, args); |
kenjiArai | 1:9db0e321a9f4 | 186 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 187 | return r; |
kenjiArai | 1:9db0e321a9f4 | 188 | } |
kenjiArai | 1:9db0e321a9f4 | 189 | |
kenjiArai | 1:9db0e321a9f4 | 190 | int Stream::vscanf(const char *format, std::va_list args) |
kenjiArai | 1:9db0e321a9f4 | 191 | { |
kenjiArai | 1:9db0e321a9f4 | 192 | lock(); |
kenjiArai | 1:9db0e321a9f4 | 193 | fflush(_file); |
kenjiArai | 1:9db0e321a9f4 | 194 | int r = vfscanf(_file, format, args); |
kenjiArai | 1:9db0e321a9f4 | 195 | unlock(); |
kenjiArai | 1:9db0e321a9f4 | 196 | return r; |
kenjiArai | 1:9db0e321a9f4 | 197 | } |
kenjiArai | 1:9db0e321a9f4 | 198 | |
kenjiArai | 1:9db0e321a9f4 | 199 | #endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY |
kenjiArai | 1:9db0e321a9f4 | 200 | |
kenjiArai | 1:9db0e321a9f4 | 201 | } // namespace mbed |