ReadOnlyBlockDevice.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2017-2017 ARM Limited
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy
00005  * of this software and associated documentation files (the "Software"), to deal
00006  * in the Software without restriction, including without limitation the rights
00007  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008  * copies of the Software, and to permit persons to whom the Software is
00009  * furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included in
00012  * all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
00020  * SOFTWARE.
00021  */
00022 
00023 #include "ReadOnlyBlockDevice.h"
00024 #include "mbed_error.h"
00025 
00026 
00027 ReadOnlyBlockDevice::ReadOnlyBlockDevice(BlockDevice *bd)
00028     : _bd(bd)
00029 {
00030     // Does nothing
00031 }
00032 
00033 ReadOnlyBlockDevice::~ReadOnlyBlockDevice()
00034 {
00035     // Does nothing
00036 }
00037 
00038 int ReadOnlyBlockDevice::init()
00039 {
00040     return _bd->init();
00041 }
00042 
00043 int ReadOnlyBlockDevice::deinit()
00044 {
00045     return _bd->deinit();
00046 }
00047 
00048 int ReadOnlyBlockDevice::read(void *buffer, bd_addr_t addr, bd_size_t size)
00049 {
00050     return _bd->read(buffer, addr, size);
00051 }
00052 
00053 int ReadOnlyBlockDevice::program(const void *buffer, bd_addr_t addr, bd_size_t size)
00054 {
00055     error("ReadOnlyBlockDevice::program() not allowed");
00056     return 0;
00057 }
00058 
00059 int ReadOnlyBlockDevice::erase(bd_addr_t addr, bd_size_t size)
00060 {
00061     error("ReadOnlyBlockDevice::erase() not allowed");
00062     return 0;
00063 }
00064 
00065 bd_size_t ReadOnlyBlockDevice::get_read_size() const
00066 {
00067     return _bd->get_read_size();
00068 }
00069 
00070 bd_size_t ReadOnlyBlockDevice::get_program_size() const
00071 {
00072     return _bd->get_program_size();
00073 }
00074 
00075 bd_size_t ReadOnlyBlockDevice::get_erase_size() const
00076 {
00077     return _bd->get_erase_size();
00078 }
00079 
00080 bd_size_t ReadOnlyBlockDevice::size() const
00081 {
00082     return _bd->size();
00083 }