不韋 呂 / F746_SD_BitmapViewer

microSD カードのビットマップ･ファイルのビュアー．画像の最大値　縦：272ピクセル，横：480ピクセル． Bitmap file viewer for microSD card. Maximum size Vertical: 272 pixels, Horizontal: 480.

Dependencies:   SDFileSystem_Warning_Fixed F746_GUI

mbed_src_STM32F7/common/Stream.cpp@1:bb146d5fe9aa, 2018-10-23 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Oct 23 11:51:47 2018 +0000
Revision:
1:bb146d5fe9aa
Parent:
0:f62ffd3644bf 
2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:f62ffd3644bf 1 /* mbed Microcontroller Library
MikamiUitOpen 0:f62ffd3644bf 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:f62ffd3644bf 3 *
MikamiUitOpen 0:f62ffd3644bf 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:f62ffd3644bf 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:f62ffd3644bf 6 * You may obtain a copy of the License at
MikamiUitOpen 0:f62ffd3644bf 7 *
MikamiUitOpen 0:f62ffd3644bf 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:f62ffd3644bf 9 *
MikamiUitOpen 0:f62ffd3644bf 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:f62ffd3644bf 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:f62ffd3644bf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:f62ffd3644bf 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:f62ffd3644bf 14 * limitations under the License.
MikamiUitOpen 0:f62ffd3644bf 15 */
MikamiUitOpen 0:f62ffd3644bf 16 #include "Stream.h"
MikamiUitOpen 0:f62ffd3644bf 17
MikamiUitOpen 0:f62ffd3644bf 18 namespace mbed {
MikamiUitOpen 0:f62ffd3644bf 19
MikamiUitOpen 0:f62ffd3644bf 20 Stream::Stream(const char *name) : FileLike(name), _file(NULL) {
MikamiUitOpen 0:f62ffd3644bf 21 /* open ourselves */
MikamiUitOpen 0:f62ffd3644bf 22 char buf[12]; /* :0x12345678 + null byte */
MikamiUitOpen 0:f62ffd3644bf 23 std::sprintf(buf, ":%p", this);
MikamiUitOpen 0:f62ffd3644bf 24 _file = std::fopen(buf, "w+");
MikamiUitOpen 0:f62ffd3644bf 25 mbed_set_unbuffered_stream(_file);
MikamiUitOpen 0:f62ffd3644bf 26 }
MikamiUitOpen 0:f62ffd3644bf 27
MikamiUitOpen 0:f62ffd3644bf 28 Stream::~Stream() {
MikamiUitOpen 0:f62ffd3644bf 29 fclose(_file);
MikamiUitOpen 0:f62ffd3644bf 30 }
MikamiUitOpen 0:f62ffd3644bf 31
MikamiUitOpen 0:f62ffd3644bf 32 int Stream::putc(int c) {
MikamiUitOpen 0:f62ffd3644bf 33 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 34 return std::fputc(c, _file);
MikamiUitOpen 0:f62ffd3644bf 35 }
MikamiUitOpen 0:f62ffd3644bf 36 int Stream::puts(const char *s) {
MikamiUitOpen 0:f62ffd3644bf 37 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 38 return std::fputs(s, _file);
MikamiUitOpen 0:f62ffd3644bf 39 }
MikamiUitOpen 0:f62ffd3644bf 40 int Stream::getc() {
MikamiUitOpen 0:f62ffd3644bf 41 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 42 return mbed_getc(_file);
MikamiUitOpen 0:f62ffd3644bf 43 }
MikamiUitOpen 0:f62ffd3644bf 44 char* Stream::gets(char *s, int size) {
MikamiUitOpen 0:f62ffd3644bf 45 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 46 return mbed_gets(s,size,_file);
MikamiUitOpen 0:f62ffd3644bf 47 }
MikamiUitOpen 0:f62ffd3644bf 48
MikamiUitOpen 0:f62ffd3644bf 49 int Stream::close() {
MikamiUitOpen 0:f62ffd3644bf 50 return 0;
MikamiUitOpen 0:f62ffd3644bf 51 }
MikamiUitOpen 0:f62ffd3644bf 52
MikamiUitOpen 0:f62ffd3644bf 53 ssize_t Stream::write(const void* buffer, size_t length) {
MikamiUitOpen 0:f62ffd3644bf 54 const char* ptr = (const char*)buffer;
MikamiUitOpen 0:f62ffd3644bf 55 const char* end = ptr + length;
MikamiUitOpen 0:f62ffd3644bf 56 while (ptr != end) {
MikamiUitOpen 0:f62ffd3644bf 57 if (_putc(*ptr++) == EOF) {
MikamiUitOpen 0:f62ffd3644bf 58 break;
MikamiUitOpen 0:f62ffd3644bf 59 }
MikamiUitOpen 0:f62ffd3644bf 60 }
MikamiUitOpen 0:f62ffd3644bf 61 return ptr - (const char*)buffer;
MikamiUitOpen 0:f62ffd3644bf 62 }
MikamiUitOpen 0:f62ffd3644bf 63
MikamiUitOpen 0:f62ffd3644bf 64 ssize_t Stream::read(void* buffer, size_t length) {
MikamiUitOpen 0:f62ffd3644bf 65 char* ptr = (char*)buffer;
MikamiUitOpen 0:f62ffd3644bf 66 char* end = ptr + length;
MikamiUitOpen 0:f62ffd3644bf 67 while (ptr != end) {
MikamiUitOpen 0:f62ffd3644bf 68 int c = _getc();
MikamiUitOpen 0:f62ffd3644bf 69 if (c==EOF) break;
MikamiUitOpen 0:f62ffd3644bf 70 *ptr++ = c;
MikamiUitOpen 0:f62ffd3644bf 71 }
MikamiUitOpen 0:f62ffd3644bf 72 return ptr - (const char*)buffer;
MikamiUitOpen 0:f62ffd3644bf 73 }
MikamiUitOpen 0:f62ffd3644bf 74
MikamiUitOpen 0:f62ffd3644bf 75 off_t Stream::lseek(off_t offset, int whence) {
MikamiUitOpen 0:f62ffd3644bf 76 return 0;
MikamiUitOpen 0:f62ffd3644bf 77 }
MikamiUitOpen 0:f62ffd3644bf 78
MikamiUitOpen 0:f62ffd3644bf 79 int Stream::isatty() {
MikamiUitOpen 0:f62ffd3644bf 80 return 0;
MikamiUitOpen 0:f62ffd3644bf 81 }
MikamiUitOpen 0:f62ffd3644bf 82
MikamiUitOpen 0:f62ffd3644bf 83 int Stream::fsync() {
MikamiUitOpen 0:f62ffd3644bf 84 return 0;
MikamiUitOpen 0:f62ffd3644bf 85 }
MikamiUitOpen 0:f62ffd3644bf 86
MikamiUitOpen 0:f62ffd3644bf 87 off_t Stream::flen() {
MikamiUitOpen 0:f62ffd3644bf 88 return 0;
MikamiUitOpen 0:f62ffd3644bf 89 }
MikamiUitOpen 0:f62ffd3644bf 90
MikamiUitOpen 0:f62ffd3644bf 91 int Stream::printf(const char* format, ...) {
MikamiUitOpen 0:f62ffd3644bf 92 std::va_list arg;
MikamiUitOpen 0:f62ffd3644bf 93 va_start(arg, format);
MikamiUitOpen 0:f62ffd3644bf 94 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 95 int r = vfprintf(_file, format, arg);
MikamiUitOpen 0:f62ffd3644bf 96 va_end(arg);
MikamiUitOpen 0:f62ffd3644bf 97 return r;
MikamiUitOpen 0:f62ffd3644bf 98 }
MikamiUitOpen 0:f62ffd3644bf 99
MikamiUitOpen 0:f62ffd3644bf 100 int Stream::scanf(const char* format, ...) {
MikamiUitOpen 0:f62ffd3644bf 101 std::va_list arg;
MikamiUitOpen 0:f62ffd3644bf 102 va_start(arg, format);
MikamiUitOpen 0:f62ffd3644bf 103 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 104 int r = vfscanf(_file, format, arg);
MikamiUitOpen 0:f62ffd3644bf 105 va_end(arg);
MikamiUitOpen 0:f62ffd3644bf 106 return r;
MikamiUitOpen 0:f62ffd3644bf 107 }
MikamiUitOpen 0:f62ffd3644bf 108
MikamiUitOpen 0:f62ffd3644bf 109 int Stream::vprintf(const char* format, std::va_list args) {
MikamiUitOpen 0:f62ffd3644bf 110 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 111 int r = vfprintf(_file, format, args);
MikamiUitOpen 0:f62ffd3644bf 112 return r;
MikamiUitOpen 0:f62ffd3644bf 113 }
MikamiUitOpen 0:f62ffd3644bf 114
MikamiUitOpen 0:f62ffd3644bf 115 int Stream::vscanf(const char* format, std::va_list args) {
MikamiUitOpen 0:f62ffd3644bf 116 fflush(_file);
MikamiUitOpen 0:f62ffd3644bf 117 int r = vfscanf(_file, format, args);
MikamiUitOpen 0:f62ffd3644bf 118 return r;
MikamiUitOpen 0:f62ffd3644bf 119 }
MikamiUitOpen 0:f62ffd3644bf 120
MikamiUitOpen 0:f62ffd3644bf 121 } // namespace mbed