mbed-os/storage/blockdevice/source/ObservingBlockDevice.cpp

119 lines
2.5 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2017-2020 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "blockdevice/ObservingBlockDevice.h"
#include "blockdevice/ReadOnlyBlockDevice.h"
namespace mbed {
ObservingBlockDevice::ObservingBlockDevice(BlockDevice *bd)
: _bd(bd)
{
// Does nothing
}
ObservingBlockDevice::~ObservingBlockDevice()
{
// Does nothing
}
void ObservingBlockDevice::attach(mbed::Callback<void(BlockDevice *)> cb)
{
_change = cb;
}
int ObservingBlockDevice::init()
{
return _bd->init();
}
int ObservingBlockDevice::deinit()
{
return _bd->deinit();
}
int ObservingBlockDevice::sync()
{
return _bd->sync();
}
int ObservingBlockDevice::read(void *buffer, bd_addr_t addr, bd_size_t size)
{
return _bd->read(buffer, addr, size);
}
int ObservingBlockDevice::program(const void *buffer, bd_addr_t addr, bd_size_t size)
{
int res = _bd->program(buffer, addr, size);
if (_change) {
ReadOnlyBlockDevice dev(_bd);
_change(&dev);
}
return res;
}
int ObservingBlockDevice::erase(bd_addr_t addr, bd_size_t size)
{
int res = _bd->erase(addr, size);
if (_change) {
ReadOnlyBlockDevice dev(_bd);
_change(&dev);
}
return res;
}
bd_size_t ObservingBlockDevice::get_read_size() const
{
return _bd->get_read_size();
}
bd_size_t ObservingBlockDevice::get_program_size() const
{
return _bd->get_program_size();
}
bd_size_t ObservingBlockDevice::get_erase_size() const
{
return _bd->get_erase_size();
}
bd_size_t ObservingBlockDevice::get_erase_size(bd_addr_t addr) const
{
return _bd->get_erase_size(addr);
}
int ObservingBlockDevice::get_erase_value() const
{
return _bd->get_erase_value();
}
bd_size_t ObservingBlockDevice::size() const
{
return _bd->size();
}
const char *ObservingBlockDevice::get_type() const
{
if (_bd != NULL) {
return _bd->get_type();
}
return NULL;
}
} // namespace mbed