takashi kadono / Mbed OS Nucleo446_SSD1331

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/platform/Stream.cpp@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /* mbed Microcontroller Library
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2006-2013 ARM Limited
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 5 * you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 6 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 9 *
kadonotakashi 0:8fdf9a60065b 10 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 13 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 14 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 15 */
kadonotakashi 0:8fdf9a60065b 16 #include "platform/Stream.h"
kadonotakashi 0:8fdf9a60065b 17 #include "platform/mbed_error.h"
kadonotakashi 0:8fdf9a60065b 18 #include <errno.h>
kadonotakashi 0:8fdf9a60065b 19
kadonotakashi 0:8fdf9a60065b 20 namespace mbed {
kadonotakashi 0:8fdf9a60065b 21
kadonotakashi 0:8fdf9a60065b 22 Stream::Stream(const char *name) : FileLike(name), _file(NULL)
kadonotakashi 0:8fdf9a60065b 23 {
kadonotakashi 0:8fdf9a60065b 24 // No lock needed in constructor
kadonotakashi 0:8fdf9a60065b 25 /* open ourselves */
kadonotakashi 0:8fdf9a60065b 26 _file = fdopen(this, "w+");
kadonotakashi 0:8fdf9a60065b 27 // fdopen() will make us buffered because Stream::isatty()
kadonotakashi 0:8fdf9a60065b 28 // wrongly returns zero which is not being changed for
kadonotakashi 0:8fdf9a60065b 29 // backward compatibility
kadonotakashi 0:8fdf9a60065b 30 if (_file) {
kadonotakashi 0:8fdf9a60065b 31 mbed_set_unbuffered_stream(_file);
kadonotakashi 0:8fdf9a60065b 32 } else {
kadonotakashi 0:8fdf9a60065b 33 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_OPEN_FAILED), "Stream obj failure", _file);
kadonotakashi 0:8fdf9a60065b 34 }
kadonotakashi 0:8fdf9a60065b 35 }
kadonotakashi 0:8fdf9a60065b 36
kadonotakashi 0:8fdf9a60065b 37 Stream::~Stream()
kadonotakashi 0:8fdf9a60065b 38 {
kadonotakashi 0:8fdf9a60065b 39 // No lock can be used in destructor
kadonotakashi 0:8fdf9a60065b 40 fclose(_file);
kadonotakashi 0:8fdf9a60065b 41 }
kadonotakashi 0:8fdf9a60065b 42
kadonotakashi 0:8fdf9a60065b 43 int Stream::putc(int c)
kadonotakashi 0:8fdf9a60065b 44 {
kadonotakashi 0:8fdf9a60065b 45 lock();
kadonotakashi 0:8fdf9a60065b 46 fflush(_file);
kadonotakashi 0:8fdf9a60065b 47 int ret = std::fputc(c, _file);
kadonotakashi 0:8fdf9a60065b 48 unlock();
kadonotakashi 0:8fdf9a60065b 49 return ret;
kadonotakashi 0:8fdf9a60065b 50 }
kadonotakashi 0:8fdf9a60065b 51 int Stream::puts(const char *s)
kadonotakashi 0:8fdf9a60065b 52 {
kadonotakashi 0:8fdf9a60065b 53 lock();
kadonotakashi 0:8fdf9a60065b 54 fflush(_file);
kadonotakashi 0:8fdf9a60065b 55 int ret = std::fputs(s, _file);
kadonotakashi 0:8fdf9a60065b 56 unlock();
kadonotakashi 0:8fdf9a60065b 57 return ret;
kadonotakashi 0:8fdf9a60065b 58 }
kadonotakashi 0:8fdf9a60065b 59 int Stream::getc()
kadonotakashi 0:8fdf9a60065b 60 {
kadonotakashi 0:8fdf9a60065b 61 lock();
kadonotakashi 0:8fdf9a60065b 62 fflush(_file);
kadonotakashi 0:8fdf9a60065b 63 int ret = mbed_getc(_file);
kadonotakashi 0:8fdf9a60065b 64 unlock();
kadonotakashi 0:8fdf9a60065b 65 return ret;
kadonotakashi 0:8fdf9a60065b 66 }
kadonotakashi 0:8fdf9a60065b 67 char *Stream::gets(char *s, int size)
kadonotakashi 0:8fdf9a60065b 68 {
kadonotakashi 0:8fdf9a60065b 69 lock();
kadonotakashi 0:8fdf9a60065b 70 fflush(_file);
kadonotakashi 0:8fdf9a60065b 71 char *ret = mbed_gets(s, size, _file);
kadonotakashi 0:8fdf9a60065b 72 unlock();
kadonotakashi 0:8fdf9a60065b 73 return ret;
kadonotakashi 0:8fdf9a60065b 74 }
kadonotakashi 0:8fdf9a60065b 75
kadonotakashi 0:8fdf9a60065b 76 int Stream::close()
kadonotakashi 0:8fdf9a60065b 77 {
kadonotakashi 0:8fdf9a60065b 78 return 0;
kadonotakashi 0:8fdf9a60065b 79 }
kadonotakashi 0:8fdf9a60065b 80
kadonotakashi 0:8fdf9a60065b 81 ssize_t Stream::write(const void *buffer, size_t length)
kadonotakashi 0:8fdf9a60065b 82 {
kadonotakashi 0:8fdf9a60065b 83 const char *ptr = (const char *)buffer;
kadonotakashi 0:8fdf9a60065b 84 const char *end = ptr + length;
kadonotakashi 0:8fdf9a60065b 85
kadonotakashi 0:8fdf9a60065b 86 lock();
kadonotakashi 0:8fdf9a60065b 87 while (ptr != end) {
kadonotakashi 0:8fdf9a60065b 88 if (_putc(*ptr++) == EOF) {
kadonotakashi 0:8fdf9a60065b 89 break;
kadonotakashi 0:8fdf9a60065b 90 }
kadonotakashi 0:8fdf9a60065b 91 }
kadonotakashi 0:8fdf9a60065b 92 unlock();
kadonotakashi 0:8fdf9a60065b 93
kadonotakashi 0:8fdf9a60065b 94 return ptr - (const char *)buffer;
kadonotakashi 0:8fdf9a60065b 95 }
kadonotakashi 0:8fdf9a60065b 96
kadonotakashi 0:8fdf9a60065b 97 ssize_t Stream::read(void *buffer, size_t length)
kadonotakashi 0:8fdf9a60065b 98 {
kadonotakashi 0:8fdf9a60065b 99 char *ptr = (char *)buffer;
kadonotakashi 0:8fdf9a60065b 100 char *end = ptr + length;
kadonotakashi 0:8fdf9a60065b 101
kadonotakashi 0:8fdf9a60065b 102 lock();
kadonotakashi 0:8fdf9a60065b 103 while (ptr != end) {
kadonotakashi 0:8fdf9a60065b 104 int c = _getc();
kadonotakashi 0:8fdf9a60065b 105 if (c == EOF) {
kadonotakashi 0:8fdf9a60065b 106 break;
kadonotakashi 0:8fdf9a60065b 107 }
kadonotakashi 0:8fdf9a60065b 108 *ptr++ = c;
kadonotakashi 0:8fdf9a60065b 109 }
kadonotakashi 0:8fdf9a60065b 110 unlock();
kadonotakashi 0:8fdf9a60065b 111
kadonotakashi 0:8fdf9a60065b 112 return ptr - (const char *)buffer;
kadonotakashi 0:8fdf9a60065b 113 }
kadonotakashi 0:8fdf9a60065b 114
kadonotakashi 0:8fdf9a60065b 115 off_t Stream::seek(off_t offset, int whence)
kadonotakashi 0:8fdf9a60065b 116 {
kadonotakashi 0:8fdf9a60065b 117 return 0;
kadonotakashi 0:8fdf9a60065b 118 }
kadonotakashi 0:8fdf9a60065b 119
kadonotakashi 0:8fdf9a60065b 120 off_t Stream::tell()
kadonotakashi 0:8fdf9a60065b 121 {
kadonotakashi 0:8fdf9a60065b 122 return 0;
kadonotakashi 0:8fdf9a60065b 123 }
kadonotakashi 0:8fdf9a60065b 124
kadonotakashi 0:8fdf9a60065b 125 void Stream::rewind()
kadonotakashi 0:8fdf9a60065b 126 {
kadonotakashi 0:8fdf9a60065b 127 }
kadonotakashi 0:8fdf9a60065b 128
kadonotakashi 0:8fdf9a60065b 129 int Stream::isatty()
kadonotakashi 0:8fdf9a60065b 130 {
kadonotakashi 0:8fdf9a60065b 131 return 0;
kadonotakashi 0:8fdf9a60065b 132 }
kadonotakashi 0:8fdf9a60065b 133
kadonotakashi 0:8fdf9a60065b 134 int Stream::sync()
kadonotakashi 0:8fdf9a60065b 135 {
kadonotakashi 0:8fdf9a60065b 136 return 0;
kadonotakashi 0:8fdf9a60065b 137 }
kadonotakashi 0:8fdf9a60065b 138
kadonotakashi 0:8fdf9a60065b 139 off_t Stream::size()
kadonotakashi 0:8fdf9a60065b 140 {
kadonotakashi 0:8fdf9a60065b 141 return 0;
kadonotakashi 0:8fdf9a60065b 142 }
kadonotakashi 0:8fdf9a60065b 143
kadonotakashi 0:8fdf9a60065b 144 int Stream::printf(const char *format, ...)
kadonotakashi 0:8fdf9a60065b 145 {
kadonotakashi 0:8fdf9a60065b 146 lock();
kadonotakashi 0:8fdf9a60065b 147 std::va_list arg;
kadonotakashi 0:8fdf9a60065b 148 va_start(arg, format);
kadonotakashi 0:8fdf9a60065b 149 fflush(_file);
kadonotakashi 0:8fdf9a60065b 150 int r = vfprintf(_file, format, arg);
kadonotakashi 0:8fdf9a60065b 151 va_end(arg);
kadonotakashi 0:8fdf9a60065b 152 unlock();
kadonotakashi 0:8fdf9a60065b 153 return r;
kadonotakashi 0:8fdf9a60065b 154 }
kadonotakashi 0:8fdf9a60065b 155
kadonotakashi 0:8fdf9a60065b 156 int Stream::scanf(const char *format, ...)
kadonotakashi 0:8fdf9a60065b 157 {
kadonotakashi 0:8fdf9a60065b 158 lock();
kadonotakashi 0:8fdf9a60065b 159 std::va_list arg;
kadonotakashi 0:8fdf9a60065b 160 va_start(arg, format);
kadonotakashi 0:8fdf9a60065b 161 fflush(_file);
kadonotakashi 0:8fdf9a60065b 162 int r = vfscanf(_file, format, arg);
kadonotakashi 0:8fdf9a60065b 163 va_end(arg);
kadonotakashi 0:8fdf9a60065b 164 unlock();
kadonotakashi 0:8fdf9a60065b 165 return r;
kadonotakashi 0:8fdf9a60065b 166 }
kadonotakashi 0:8fdf9a60065b 167
kadonotakashi 0:8fdf9a60065b 168 int Stream::vprintf(const char *format, std::va_list args)
kadonotakashi 0:8fdf9a60065b 169 {
kadonotakashi 0:8fdf9a60065b 170 lock();
kadonotakashi 0:8fdf9a60065b 171 fflush(_file);
kadonotakashi 0:8fdf9a60065b 172 int r = vfprintf(_file, format, args);
kadonotakashi 0:8fdf9a60065b 173 unlock();
kadonotakashi 0:8fdf9a60065b 174 return r;
kadonotakashi 0:8fdf9a60065b 175 }
kadonotakashi 0:8fdf9a60065b 176
kadonotakashi 0:8fdf9a60065b 177 int Stream::vscanf(const char *format, std::va_list args)
kadonotakashi 0:8fdf9a60065b 178 {
kadonotakashi 0:8fdf9a60065b 179 lock();
kadonotakashi 0:8fdf9a60065b 180 fflush(_file);
kadonotakashi 0:8fdf9a60065b 181 int r = vfscanf(_file, format, args);
kadonotakashi 0:8fdf9a60065b 182 unlock();
kadonotakashi 0:8fdf9a60065b 183 return r;
kadonotakashi 0:8fdf9a60065b 184 }
kadonotakashi 0:8fdf9a60065b 185
kadonotakashi 0:8fdf9a60065b 186 } // namespace mbed