Vipin Ranka / MGAS_GR_Peach

This is the final version of Mini Gateway for Automation and Security desgined for Renesas GR Peach Design Contest

Dependencies:   GR-PEACH_video GraphicsFramework HTTPServer R_BSP mbed-rpc mbed-rtos Socket lwip-eth lwip-sys lwip FATFileSystem

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

mbed-dev/drivers/Stream.cpp@12:9a20164dcc47, 2017-01-11 (annotated)

Committer:
vipinranka
Date:
Wed Jan 11 11:41:30 2017 +0000
Revision:
12:9a20164dcc47
This is the final version MGAS Project for Renesas GR Peach Design Contest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vipinranka 12:9a20164dcc47 1 /* mbed Microcontroller Library
vipinranka 12:9a20164dcc47 2 * Copyright (c) 2006-2013 ARM Limited
vipinranka 12:9a20164dcc47 3 *
vipinranka 12:9a20164dcc47 4 * Licensed under the Apache License, Version 2.0 (the "License");
vipinranka 12:9a20164dcc47 5 * you may not use this file except in compliance with the License.
vipinranka 12:9a20164dcc47 6 * You may obtain a copy of the License at
vipinranka 12:9a20164dcc47 7 *
vipinranka 12:9a20164dcc47 8 * http://www.apache.org/licenses/LICENSE-2.0
vipinranka 12:9a20164dcc47 9 *
vipinranka 12:9a20164dcc47 10 * Unless required by applicable law or agreed to in writing, software
vipinranka 12:9a20164dcc47 11 * distributed under the License is distributed on an "AS IS" BASIS,
vipinranka 12:9a20164dcc47 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vipinranka 12:9a20164dcc47 13 * See the License for the specific language governing permissions and
vipinranka 12:9a20164dcc47 14 * limitations under the License.
vipinranka 12:9a20164dcc47 15 */
vipinranka 12:9a20164dcc47 16 #include "drivers/Stream.h"
vipinranka 12:9a20164dcc47 17
vipinranka 12:9a20164dcc47 18 namespace mbed {
vipinranka 12:9a20164dcc47 19
vipinranka 12:9a20164dcc47 20 Stream::Stream(const char *name) : FileLike(name), _file(NULL) {
vipinranka 12:9a20164dcc47 21 // No lock needed in constructor
vipinranka 12:9a20164dcc47 22 /* open ourselves */
vipinranka 12:9a20164dcc47 23 char buf[12]; /* :0x12345678 + null byte */
vipinranka 12:9a20164dcc47 24 std::sprintf(buf, ":%p", this);
vipinranka 12:9a20164dcc47 25 _file = std::fopen(buf, "w+");
vipinranka 12:9a20164dcc47 26 mbed_set_unbuffered_stream(_file);
vipinranka 12:9a20164dcc47 27 }
vipinranka 12:9a20164dcc47 28
vipinranka 12:9a20164dcc47 29 Stream::~Stream() {
vipinranka 12:9a20164dcc47 30 // No lock can be used in destructor
vipinranka 12:9a20164dcc47 31 fclose(_file);
vipinranka 12:9a20164dcc47 32 }
vipinranka 12:9a20164dcc47 33
vipinranka 12:9a20164dcc47 34 int Stream::putc(int c) {
vipinranka 12:9a20164dcc47 35 lock();
vipinranka 12:9a20164dcc47 36 fflush(_file);
vipinranka 12:9a20164dcc47 37 int ret = std::fputc(c, _file);
vipinranka 12:9a20164dcc47 38 unlock();
vipinranka 12:9a20164dcc47 39 return ret;
vipinranka 12:9a20164dcc47 40 }
vipinranka 12:9a20164dcc47 41 int Stream::puts(const char *s) {
vipinranka 12:9a20164dcc47 42 lock();
vipinranka 12:9a20164dcc47 43 fflush(_file);
vipinranka 12:9a20164dcc47 44 int ret = std::fputs(s, _file);
vipinranka 12:9a20164dcc47 45 unlock();
vipinranka 12:9a20164dcc47 46 return ret;
vipinranka 12:9a20164dcc47 47 }
vipinranka 12:9a20164dcc47 48 int Stream::getc() {
vipinranka 12:9a20164dcc47 49 lock();
vipinranka 12:9a20164dcc47 50 fflush(_file);
vipinranka 12:9a20164dcc47 51 int ret = mbed_getc(_file);
vipinranka 12:9a20164dcc47 52 unlock();
vipinranka 12:9a20164dcc47 53 return ret;
vipinranka 12:9a20164dcc47 54 }
vipinranka 12:9a20164dcc47 55 char* Stream::gets(char *s, int size) {
vipinranka 12:9a20164dcc47 56 lock();
vipinranka 12:9a20164dcc47 57 fflush(_file);
vipinranka 12:9a20164dcc47 58 char *ret = mbed_gets(s,size,_file);
vipinranka 12:9a20164dcc47 59 unlock();
vipinranka 12:9a20164dcc47 60 return ret;
vipinranka 12:9a20164dcc47 61 }
vipinranka 12:9a20164dcc47 62
vipinranka 12:9a20164dcc47 63 int Stream::close() {
vipinranka 12:9a20164dcc47 64 return 0;
vipinranka 12:9a20164dcc47 65 }
vipinranka 12:9a20164dcc47 66
vipinranka 12:9a20164dcc47 67 ssize_t Stream::write(const void* buffer, size_t length) {
vipinranka 12:9a20164dcc47 68 const char* ptr = (const char*)buffer;
vipinranka 12:9a20164dcc47 69 const char* end = ptr + length;
vipinranka 12:9a20164dcc47 70
vipinranka 12:9a20164dcc47 71 lock();
vipinranka 12:9a20164dcc47 72 while (ptr != end) {
vipinranka 12:9a20164dcc47 73 if (_putc(*ptr++) == EOF) {
vipinranka 12:9a20164dcc47 74 break;
vipinranka 12:9a20164dcc47 75 }
vipinranka 12:9a20164dcc47 76 }
vipinranka 12:9a20164dcc47 77 unlock();
vipinranka 12:9a20164dcc47 78
vipinranka 12:9a20164dcc47 79 return ptr - (const char*)buffer;
vipinranka 12:9a20164dcc47 80 }
vipinranka 12:9a20164dcc47 81
vipinranka 12:9a20164dcc47 82 ssize_t Stream::read(void* buffer, size_t length) {
vipinranka 12:9a20164dcc47 83 char* ptr = (char*)buffer;
vipinranka 12:9a20164dcc47 84 char* end = ptr + length;
vipinranka 12:9a20164dcc47 85
vipinranka 12:9a20164dcc47 86 lock();
vipinranka 12:9a20164dcc47 87 while (ptr != end) {
vipinranka 12:9a20164dcc47 88 int c = _getc();
vipinranka 12:9a20164dcc47 89 if (c==EOF) break;
vipinranka 12:9a20164dcc47 90 *ptr++ = c;
vipinranka 12:9a20164dcc47 91 }
vipinranka 12:9a20164dcc47 92 unlock();
vipinranka 12:9a20164dcc47 93
vipinranka 12:9a20164dcc47 94 return ptr - (const char*)buffer;
vipinranka 12:9a20164dcc47 95 }
vipinranka 12:9a20164dcc47 96
vipinranka 12:9a20164dcc47 97 off_t Stream::lseek(off_t offset, int whence) {
vipinranka 12:9a20164dcc47 98 return 0;
vipinranka 12:9a20164dcc47 99 }
vipinranka 12:9a20164dcc47 100
vipinranka 12:9a20164dcc47 101 int Stream::isatty() {
vipinranka 12:9a20164dcc47 102 return 0;
vipinranka 12:9a20164dcc47 103 }
vipinranka 12:9a20164dcc47 104
vipinranka 12:9a20164dcc47 105 int Stream::fsync() {
vipinranka 12:9a20164dcc47 106 return 0;
vipinranka 12:9a20164dcc47 107 }
vipinranka 12:9a20164dcc47 108
vipinranka 12:9a20164dcc47 109 off_t Stream::flen() {
vipinranka 12:9a20164dcc47 110 return 0;
vipinranka 12:9a20164dcc47 111 }
vipinranka 12:9a20164dcc47 112
vipinranka 12:9a20164dcc47 113 int Stream::printf(const char* format, ...) {
vipinranka 12:9a20164dcc47 114 lock();
vipinranka 12:9a20164dcc47 115 std::va_list arg;
vipinranka 12:9a20164dcc47 116 va_start(arg, format);
vipinranka 12:9a20164dcc47 117 fflush(_file);
vipinranka 12:9a20164dcc47 118 int r = vfprintf(_file, format, arg);
vipinranka 12:9a20164dcc47 119 va_end(arg);
vipinranka 12:9a20164dcc47 120 unlock();
vipinranka 12:9a20164dcc47 121 return r;
vipinranka 12:9a20164dcc47 122 }
vipinranka 12:9a20164dcc47 123
vipinranka 12:9a20164dcc47 124 int Stream::scanf(const char* format, ...) {
vipinranka 12:9a20164dcc47 125 lock();
vipinranka 12:9a20164dcc47 126 std::va_list arg;
vipinranka 12:9a20164dcc47 127 va_start(arg, format);
vipinranka 12:9a20164dcc47 128 fflush(_file);
vipinranka 12:9a20164dcc47 129 int r = vfscanf(_file, format, arg);
vipinranka 12:9a20164dcc47 130 va_end(arg);
vipinranka 12:9a20164dcc47 131 unlock();
vipinranka 12:9a20164dcc47 132 return r;
vipinranka 12:9a20164dcc47 133 }
vipinranka 12:9a20164dcc47 134
vipinranka 12:9a20164dcc47 135 int Stream::vprintf(const char* format, std::va_list args) {
vipinranka 12:9a20164dcc47 136 lock();
vipinranka 12:9a20164dcc47 137 fflush(_file);
vipinranka 12:9a20164dcc47 138 int r = vfprintf(_file, format, args);
vipinranka 12:9a20164dcc47 139 unlock();
vipinranka 12:9a20164dcc47 140 return r;
vipinranka 12:9a20164dcc47 141 }
vipinranka 12:9a20164dcc47 142
vipinranka 12:9a20164dcc47 143 int Stream::vscanf(const char* format, std::va_list args) {
vipinranka 12:9a20164dcc47 144 lock();
vipinranka 12:9a20164dcc47 145 fflush(_file);
vipinranka 12:9a20164dcc47 146 int r = vfscanf(_file, format, args);
vipinranka 12:9a20164dcc47 147 unlock();
vipinranka 12:9a20164dcc47 148 return r;
vipinranka 12:9a20164dcc47 149 }
vipinranka 12:9a20164dcc47 150
vipinranka 12:9a20164dcc47 151 } // namespace mbed