Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例.このプログラムについては,CQ出版社インターフェース誌 2018年7月号で解説している.
Dependencies: F746_GUI F746_SAI_IO SD_PlayerSkeleton
mbed_src_STM32F7/common/Stream.cpp@2:cf42e62a97dc, 2016-10-02 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Oct 02 03:29:34 2016 +0000
- Revision:
- 2:cf42e62a97dc
3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 2:cf42e62a97dc | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 2:cf42e62a97dc | 2 | * Copyright (c) 2006-2013 ARM Limited |
MikamiUitOpen | 2:cf42e62a97dc | 3 | * |
MikamiUitOpen | 2:cf42e62a97dc | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 2:cf42e62a97dc | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 2:cf42e62a97dc | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 2:cf42e62a97dc | 7 | * |
MikamiUitOpen | 2:cf42e62a97dc | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 2:cf42e62a97dc | 9 | * |
MikamiUitOpen | 2:cf42e62a97dc | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 2:cf42e62a97dc | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 2:cf42e62a97dc | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 2:cf42e62a97dc | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 2:cf42e62a97dc | 14 | * limitations under the License. |
MikamiUitOpen | 2:cf42e62a97dc | 15 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 16 | #include "Stream.h" |
MikamiUitOpen | 2:cf42e62a97dc | 17 | |
MikamiUitOpen | 2:cf42e62a97dc | 18 | namespace mbed { |
MikamiUitOpen | 2:cf42e62a97dc | 19 | |
MikamiUitOpen | 2:cf42e62a97dc | 20 | Stream::Stream(const char *name) : FileLike(name), _file(NULL) { |
MikamiUitOpen | 2:cf42e62a97dc | 21 | /* open ourselves */ |
MikamiUitOpen | 2:cf42e62a97dc | 22 | char buf[12]; /* :0x12345678 + null byte */ |
MikamiUitOpen | 2:cf42e62a97dc | 23 | std::sprintf(buf, ":%p", this); |
MikamiUitOpen | 2:cf42e62a97dc | 24 | _file = std::fopen(buf, "w+"); |
MikamiUitOpen | 2:cf42e62a97dc | 25 | mbed_set_unbuffered_stream(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 26 | } |
MikamiUitOpen | 2:cf42e62a97dc | 27 | |
MikamiUitOpen | 2:cf42e62a97dc | 28 | Stream::~Stream() { |
MikamiUitOpen | 2:cf42e62a97dc | 29 | fclose(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 30 | } |
MikamiUitOpen | 2:cf42e62a97dc | 31 | |
MikamiUitOpen | 2:cf42e62a97dc | 32 | int Stream::putc(int c) { |
MikamiUitOpen | 2:cf42e62a97dc | 33 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 34 | return std::fputc(c, _file); |
MikamiUitOpen | 2:cf42e62a97dc | 35 | } |
MikamiUitOpen | 2:cf42e62a97dc | 36 | int Stream::puts(const char *s) { |
MikamiUitOpen | 2:cf42e62a97dc | 37 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 38 | return std::fputs(s, _file); |
MikamiUitOpen | 2:cf42e62a97dc | 39 | } |
MikamiUitOpen | 2:cf42e62a97dc | 40 | int Stream::getc() { |
MikamiUitOpen | 2:cf42e62a97dc | 41 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 42 | return mbed_getc(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 43 | } |
MikamiUitOpen | 2:cf42e62a97dc | 44 | char* Stream::gets(char *s, int size) { |
MikamiUitOpen | 2:cf42e62a97dc | 45 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 46 | return mbed_gets(s,size,_file); |
MikamiUitOpen | 2:cf42e62a97dc | 47 | } |
MikamiUitOpen | 2:cf42e62a97dc | 48 | |
MikamiUitOpen | 2:cf42e62a97dc | 49 | int Stream::close() { |
MikamiUitOpen | 2:cf42e62a97dc | 50 | return 0; |
MikamiUitOpen | 2:cf42e62a97dc | 51 | } |
MikamiUitOpen | 2:cf42e62a97dc | 52 | |
MikamiUitOpen | 2:cf42e62a97dc | 53 | ssize_t Stream::write(const void* buffer, size_t length) { |
MikamiUitOpen | 2:cf42e62a97dc | 54 | const char* ptr = (const char*)buffer; |
MikamiUitOpen | 2:cf42e62a97dc | 55 | const char* end = ptr + length; |
MikamiUitOpen | 2:cf42e62a97dc | 56 | while (ptr != end) { |
MikamiUitOpen | 2:cf42e62a97dc | 57 | if (_putc(*ptr++) == EOF) { |
MikamiUitOpen | 2:cf42e62a97dc | 58 | break; |
MikamiUitOpen | 2:cf42e62a97dc | 59 | } |
MikamiUitOpen | 2:cf42e62a97dc | 60 | } |
MikamiUitOpen | 2:cf42e62a97dc | 61 | return ptr - (const char*)buffer; |
MikamiUitOpen | 2:cf42e62a97dc | 62 | } |
MikamiUitOpen | 2:cf42e62a97dc | 63 | |
MikamiUitOpen | 2:cf42e62a97dc | 64 | ssize_t Stream::read(void* buffer, size_t length) { |
MikamiUitOpen | 2:cf42e62a97dc | 65 | char* ptr = (char*)buffer; |
MikamiUitOpen | 2:cf42e62a97dc | 66 | char* end = ptr + length; |
MikamiUitOpen | 2:cf42e62a97dc | 67 | while (ptr != end) { |
MikamiUitOpen | 2:cf42e62a97dc | 68 | int c = _getc(); |
MikamiUitOpen | 2:cf42e62a97dc | 69 | if (c==EOF) break; |
MikamiUitOpen | 2:cf42e62a97dc | 70 | *ptr++ = c; |
MikamiUitOpen | 2:cf42e62a97dc | 71 | } |
MikamiUitOpen | 2:cf42e62a97dc | 72 | return ptr - (const char*)buffer; |
MikamiUitOpen | 2:cf42e62a97dc | 73 | } |
MikamiUitOpen | 2:cf42e62a97dc | 74 | |
MikamiUitOpen | 2:cf42e62a97dc | 75 | off_t Stream::lseek(off_t offset, int whence) { |
MikamiUitOpen | 2:cf42e62a97dc | 76 | return 0; |
MikamiUitOpen | 2:cf42e62a97dc | 77 | } |
MikamiUitOpen | 2:cf42e62a97dc | 78 | |
MikamiUitOpen | 2:cf42e62a97dc | 79 | int Stream::isatty() { |
MikamiUitOpen | 2:cf42e62a97dc | 80 | return 0; |
MikamiUitOpen | 2:cf42e62a97dc | 81 | } |
MikamiUitOpen | 2:cf42e62a97dc | 82 | |
MikamiUitOpen | 2:cf42e62a97dc | 83 | int Stream::fsync() { |
MikamiUitOpen | 2:cf42e62a97dc | 84 | return 0; |
MikamiUitOpen | 2:cf42e62a97dc | 85 | } |
MikamiUitOpen | 2:cf42e62a97dc | 86 | |
MikamiUitOpen | 2:cf42e62a97dc | 87 | off_t Stream::flen() { |
MikamiUitOpen | 2:cf42e62a97dc | 88 | return 0; |
MikamiUitOpen | 2:cf42e62a97dc | 89 | } |
MikamiUitOpen | 2:cf42e62a97dc | 90 | |
MikamiUitOpen | 2:cf42e62a97dc | 91 | int Stream::printf(const char* format, ...) { |
MikamiUitOpen | 2:cf42e62a97dc | 92 | std::va_list arg; |
MikamiUitOpen | 2:cf42e62a97dc | 93 | va_start(arg, format); |
MikamiUitOpen | 2:cf42e62a97dc | 94 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 95 | int r = vfprintf(_file, format, arg); |
MikamiUitOpen | 2:cf42e62a97dc | 96 | va_end(arg); |
MikamiUitOpen | 2:cf42e62a97dc | 97 | return r; |
MikamiUitOpen | 2:cf42e62a97dc | 98 | } |
MikamiUitOpen | 2:cf42e62a97dc | 99 | |
MikamiUitOpen | 2:cf42e62a97dc | 100 | int Stream::scanf(const char* format, ...) { |
MikamiUitOpen | 2:cf42e62a97dc | 101 | std::va_list arg; |
MikamiUitOpen | 2:cf42e62a97dc | 102 | va_start(arg, format); |
MikamiUitOpen | 2:cf42e62a97dc | 103 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 104 | int r = vfscanf(_file, format, arg); |
MikamiUitOpen | 2:cf42e62a97dc | 105 | va_end(arg); |
MikamiUitOpen | 2:cf42e62a97dc | 106 | return r; |
MikamiUitOpen | 2:cf42e62a97dc | 107 | } |
MikamiUitOpen | 2:cf42e62a97dc | 108 | |
MikamiUitOpen | 2:cf42e62a97dc | 109 | int Stream::vprintf(const char* format, std::va_list args) { |
MikamiUitOpen | 2:cf42e62a97dc | 110 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 111 | int r = vfprintf(_file, format, args); |
MikamiUitOpen | 2:cf42e62a97dc | 112 | return r; |
MikamiUitOpen | 2:cf42e62a97dc | 113 | } |
MikamiUitOpen | 2:cf42e62a97dc | 114 | |
MikamiUitOpen | 2:cf42e62a97dc | 115 | int Stream::vscanf(const char* format, std::va_list args) { |
MikamiUitOpen | 2:cf42e62a97dc | 116 | fflush(_file); |
MikamiUitOpen | 2:cf42e62a97dc | 117 | int r = vfscanf(_file, format, args); |
MikamiUitOpen | 2:cf42e62a97dc | 118 | return r; |
MikamiUitOpen | 2:cf42e62a97dc | 119 | } |
MikamiUitOpen | 2:cf42e62a97dc | 120 | |
MikamiUitOpen | 2:cf42e62a97dc | 121 | } // namespace mbed |