ObservingBlockDevice.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 "ObservingBlockDevice.h"
00024 #include "ReadOnlyBlockDevice.h"
00025 
00026 
00027 ObservingBlockDevice::ObservingBlockDevice(BlockDevice *bd)
00028     : _bd(bd)
00029 {
00030     // Does nothing
00031 }
00032 
00033 ObservingBlockDevice::~ObservingBlockDevice()
00034 {
00035     // Does nothing
00036 }
00037 
00038 void ObservingBlockDevice::attach(mbed::Callback<void(BlockDevice *)> cb)
00039 {
00040     _change = cb;
00041 }
00042 
00043 int ObservingBlockDevice::init()
00044 {
00045     return _bd->init();
00046 }
00047 
00048 int ObservingBlockDevice::deinit()
00049 {
00050     return _bd->deinit();
00051 }
00052 
00053 int ObservingBlockDevice::sync()
00054 {
00055     return _bd->sync();
00056 }
00057 
00058 int ObservingBlockDevice::read(void *buffer, bd_addr_t addr, bd_size_t size)
00059 {
00060     return _bd->read(buffer, addr, size);
00061 }
00062 
00063 int ObservingBlockDevice::program(const void *buffer, bd_addr_t addr, bd_size_t size)
00064 {
00065     int res = _bd->program(buffer, addr, size);
00066     if (_change) {
00067         ReadOnlyBlockDevice dev(_bd);
00068         _change(&dev);
00069     }
00070     return res;
00071 }
00072 
00073 int ObservingBlockDevice::erase(bd_addr_t addr, bd_size_t size)
00074 {
00075     int res = _bd->erase(addr, size);
00076     if (_change) {
00077         ReadOnlyBlockDevice dev(_bd);
00078         _change(&dev);
00079     }
00080     return res;
00081 }
00082 
00083 bd_size_t ObservingBlockDevice::get_read_size() const
00084 {
00085     return _bd->get_read_size();
00086 }
00087 
00088 bd_size_t ObservingBlockDevice::get_program_size() const
00089 {
00090     return _bd->get_program_size();
00091 }
00092 
00093 bd_size_t ObservingBlockDevice::get_erase_size() const
00094 {
00095     return _bd->get_erase_size();
00096 }
00097 
00098 bd_size_t ObservingBlockDevice::get_erase_size(bd_addr_t addr) const
00099 {
00100     return _bd->get_erase_size(addr);
00101 }
00102 
00103 int ObservingBlockDevice::get_erase_value() const
00104 {
00105     return _bd->get_erase_value();
00106 }
00107 
00108 bd_size_t ObservingBlockDevice::size() const
00109 {
00110     return _bd->size();
00111 }