Magnificent7 / Hackathon

Includes library modifications to allow access to AIN_4 (AIN_0 / 5)

mbd_os/hal/common/Stream.cpp@0:eafc3fd41f75, 2016-09-20 (annotated)

Committer:
bryantaylor
Date:
Tue Sep 20 21:26:12 2016 +0000
Revision:
0:eafc3fd41f75
hackathon

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bryantaylor 0:eafc3fd41f75 1 /* mbed Microcontroller Library
bryantaylor 0:eafc3fd41f75 2 * Copyright (c) 2006-2013 ARM Limited
bryantaylor 0:eafc3fd41f75 3 *
bryantaylor 0:eafc3fd41f75 4 * Licensed under the Apache License, Version 2.0 (the "License");
bryantaylor 0:eafc3fd41f75 5 * you may not use this file except in compliance with the License.
bryantaylor 0:eafc3fd41f75 6 * You may obtain a copy of the License at
bryantaylor 0:eafc3fd41f75 7 *
bryantaylor 0:eafc3fd41f75 8 * http://www.apache.org/licenses/LICENSE-2.0
bryantaylor 0:eafc3fd41f75 9 *
bryantaylor 0:eafc3fd41f75 10 * Unless required by applicable law or agreed to in writing, software
bryantaylor 0:eafc3fd41f75 11 * distributed under the License is distributed on an "AS IS" BASIS,
bryantaylor 0:eafc3fd41f75 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bryantaylor 0:eafc3fd41f75 13 * See the License for the specific language governing permissions and
bryantaylor 0:eafc3fd41f75 14 * limitations under the License.
bryantaylor 0:eafc3fd41f75 15 */
bryantaylor 0:eafc3fd41f75 16 #include "Stream.h"
bryantaylor 0:eafc3fd41f75 17
bryantaylor 0:eafc3fd41f75 18 namespace mbed {
bryantaylor 0:eafc3fd41f75 19
bryantaylor 0:eafc3fd41f75 20 Stream::Stream(const char *name) : FileLike(name), _file(NULL) {
bryantaylor 0:eafc3fd41f75 21 // No lock needed in constructor
bryantaylor 0:eafc3fd41f75 22 /* open ourselves */
bryantaylor 0:eafc3fd41f75 23 char buf[12]; /* :0x12345678 + null byte */
bryantaylor 0:eafc3fd41f75 24 std::sprintf(buf, ":%p", this);
bryantaylor 0:eafc3fd41f75 25 _file = std::fopen(buf, "w+");
bryantaylor 0:eafc3fd41f75 26 mbed_set_unbuffered_stream(_file);
bryantaylor 0:eafc3fd41f75 27 }
bryantaylor 0:eafc3fd41f75 28
bryantaylor 0:eafc3fd41f75 29 Stream::~Stream() {
bryantaylor 0:eafc3fd41f75 30 // No lock can be used in destructor
bryantaylor 0:eafc3fd41f75 31 fclose(_file);
bryantaylor 0:eafc3fd41f75 32 }
bryantaylor 0:eafc3fd41f75 33
bryantaylor 0:eafc3fd41f75 34 int Stream::putc(int c) {
bryantaylor 0:eafc3fd41f75 35 lock();
bryantaylor 0:eafc3fd41f75 36 fflush(_file);
bryantaylor 0:eafc3fd41f75 37 int ret = std::fputc(c, _file);
bryantaylor 0:eafc3fd41f75 38 unlock();
bryantaylor 0:eafc3fd41f75 39 return ret;
bryantaylor 0:eafc3fd41f75 40 }
bryantaylor 0:eafc3fd41f75 41 int Stream::puts(const char *s) {
bryantaylor 0:eafc3fd41f75 42 lock();
bryantaylor 0:eafc3fd41f75 43 fflush(_file);
bryantaylor 0:eafc3fd41f75 44 int ret = std::fputs(s, _file);
bryantaylor 0:eafc3fd41f75 45 unlock();
bryantaylor 0:eafc3fd41f75 46 return ret;
bryantaylor 0:eafc3fd41f75 47 }
bryantaylor 0:eafc3fd41f75 48 int Stream::getc() {
bryantaylor 0:eafc3fd41f75 49 lock();
bryantaylor 0:eafc3fd41f75 50 fflush(_file);
bryantaylor 0:eafc3fd41f75 51 int ret = mbed_getc(_file);
bryantaylor 0:eafc3fd41f75 52 unlock();
bryantaylor 0:eafc3fd41f75 53 return ret;
bryantaylor 0:eafc3fd41f75 54 }
bryantaylor 0:eafc3fd41f75 55 char* Stream::gets(char *s, int size) {
bryantaylor 0:eafc3fd41f75 56 lock();
bryantaylor 0:eafc3fd41f75 57 fflush(_file);
bryantaylor 0:eafc3fd41f75 58 char *ret = mbed_gets(s,size,_file);
bryantaylor 0:eafc3fd41f75 59 unlock();
bryantaylor 0:eafc3fd41f75 60 return ret;
bryantaylor 0:eafc3fd41f75 61 }
bryantaylor 0:eafc3fd41f75 62
bryantaylor 0:eafc3fd41f75 63 int Stream::close() {
bryantaylor 0:eafc3fd41f75 64 return 0;
bryantaylor 0:eafc3fd41f75 65 }
bryantaylor 0:eafc3fd41f75 66
bryantaylor 0:eafc3fd41f75 67 ssize_t Stream::write(const void* buffer, size_t length) {
bryantaylor 0:eafc3fd41f75 68 const char* ptr = (const char*)buffer;
bryantaylor 0:eafc3fd41f75 69 const char* end = ptr + length;
bryantaylor 0:eafc3fd41f75 70
bryantaylor 0:eafc3fd41f75 71 lock();
bryantaylor 0:eafc3fd41f75 72 while (ptr != end) {
bryantaylor 0:eafc3fd41f75 73 if (_putc(*ptr++) == EOF) {
bryantaylor 0:eafc3fd41f75 74 break;
bryantaylor 0:eafc3fd41f75 75 }
bryantaylor 0:eafc3fd41f75 76 }
bryantaylor 0:eafc3fd41f75 77 unlock();
bryantaylor 0:eafc3fd41f75 78
bryantaylor 0:eafc3fd41f75 79 return ptr - (const char*)buffer;
bryantaylor 0:eafc3fd41f75 80 }
bryantaylor 0:eafc3fd41f75 81
bryantaylor 0:eafc3fd41f75 82 ssize_t Stream::read(void* buffer, size_t length) {
bryantaylor 0:eafc3fd41f75 83 char* ptr = (char*)buffer;
bryantaylor 0:eafc3fd41f75 84 char* end = ptr + length;
bryantaylor 0:eafc3fd41f75 85
bryantaylor 0:eafc3fd41f75 86 lock();
bryantaylor 0:eafc3fd41f75 87 while (ptr != end) {
bryantaylor 0:eafc3fd41f75 88 int c = _getc();
bryantaylor 0:eafc3fd41f75 89 if (c==EOF) break;
bryantaylor 0:eafc3fd41f75 90 *ptr++ = c;
bryantaylor 0:eafc3fd41f75 91 }
bryantaylor 0:eafc3fd41f75 92 unlock();
bryantaylor 0:eafc3fd41f75 93
bryantaylor 0:eafc3fd41f75 94 return ptr - (const char*)buffer;
bryantaylor 0:eafc3fd41f75 95 }
bryantaylor 0:eafc3fd41f75 96
bryantaylor 0:eafc3fd41f75 97 off_t Stream::lseek(off_t offset, int whence) {
bryantaylor 0:eafc3fd41f75 98 return 0;
bryantaylor 0:eafc3fd41f75 99 }
bryantaylor 0:eafc3fd41f75 100
bryantaylor 0:eafc3fd41f75 101 int Stream::isatty() {
bryantaylor 0:eafc3fd41f75 102 return 0;
bryantaylor 0:eafc3fd41f75 103 }
bryantaylor 0:eafc3fd41f75 104
bryantaylor 0:eafc3fd41f75 105 int Stream::fsync() {
bryantaylor 0:eafc3fd41f75 106 return 0;
bryantaylor 0:eafc3fd41f75 107 }
bryantaylor 0:eafc3fd41f75 108
bryantaylor 0:eafc3fd41f75 109 off_t Stream::flen() {
bryantaylor 0:eafc3fd41f75 110 return 0;
bryantaylor 0:eafc3fd41f75 111 }
bryantaylor 0:eafc3fd41f75 112
bryantaylor 0:eafc3fd41f75 113 int Stream::printf(const char* format, ...) {
bryantaylor 0:eafc3fd41f75 114 lock();
bryantaylor 0:eafc3fd41f75 115 std::va_list arg;
bryantaylor 0:eafc3fd41f75 116 va_start(arg, format);
bryantaylor 0:eafc3fd41f75 117 fflush(_file);
bryantaylor 0:eafc3fd41f75 118 int r = vfprintf(_file, format, arg);
bryantaylor 0:eafc3fd41f75 119 va_end(arg);
bryantaylor 0:eafc3fd41f75 120 unlock();
bryantaylor 0:eafc3fd41f75 121 return r;
bryantaylor 0:eafc3fd41f75 122 }
bryantaylor 0:eafc3fd41f75 123
bryantaylor 0:eafc3fd41f75 124 int Stream::scanf(const char* format, ...) {
bryantaylor 0:eafc3fd41f75 125 lock();
bryantaylor 0:eafc3fd41f75 126 std::va_list arg;
bryantaylor 0:eafc3fd41f75 127 va_start(arg, format);
bryantaylor 0:eafc3fd41f75 128 fflush(_file);
bryantaylor 0:eafc3fd41f75 129 int r = vfscanf(_file, format, arg);
bryantaylor 0:eafc3fd41f75 130 va_end(arg);
bryantaylor 0:eafc3fd41f75 131 unlock();
bryantaylor 0:eafc3fd41f75 132 return r;
bryantaylor 0:eafc3fd41f75 133 }
bryantaylor 0:eafc3fd41f75 134
bryantaylor 0:eafc3fd41f75 135 int Stream::vprintf(const char* format, std::va_list args) {
bryantaylor 0:eafc3fd41f75 136 lock();
bryantaylor 0:eafc3fd41f75 137 fflush(_file);
bryantaylor 0:eafc3fd41f75 138 int r = vfprintf(_file, format, args);
bryantaylor 0:eafc3fd41f75 139 unlock();
bryantaylor 0:eafc3fd41f75 140 return r;
bryantaylor 0:eafc3fd41f75 141 }
bryantaylor 0:eafc3fd41f75 142
bryantaylor 0:eafc3fd41f75 143 int Stream::vscanf(const char* format, std::va_list args) {
bryantaylor 0:eafc3fd41f75 144 lock();
bryantaylor 0:eafc3fd41f75 145 fflush(_file);
bryantaylor 0:eafc3fd41f75 146 int r = vfscanf(_file, format, args);
bryantaylor 0:eafc3fd41f75 147 unlock();
bryantaylor 0:eafc3fd41f75 148 return r;
bryantaylor 0:eafc3fd41f75 149 }
bryantaylor 0:eafc3fd41f75 150
bryantaylor 0:eafc3fd41f75 151 } // namespace mbed