mbed-os/features/storage/blockdevice/ReadOnlyBlockDevice.cpp

99 lines
2.7 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2017-2017 ARM Limited
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "ReadOnlyBlockDevice.h"
#include "mbed_error.h"
ReadOnlyBlockDevice::ReadOnlyBlockDevice(BlockDevice *bd)
: _bd(bd)
{
// Does nothing
}
ReadOnlyBlockDevice::~ReadOnlyBlockDevice()
{
// Does nothing
}
int ReadOnlyBlockDevice::init()
{
return _bd->init();
}
int ReadOnlyBlockDevice::deinit()
{
return _bd->deinit();
}
int ReadOnlyBlockDevice::sync()
{
return _bd->sync();
}
int ReadOnlyBlockDevice::read(void *buffer, bd_addr_t addr, bd_size_t size)
{
return _bd->read(buffer, addr, size);
}
int ReadOnlyBlockDevice::program(const void *buffer, bd_addr_t addr, bd_size_t size)
{
MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_BLOCK_DEVICE, MBED_ERROR_CODE_WRITE_PROTECTED), "ReadOnlyBlockDevice::program() not allowed", addr);
return MBED_ERROR_WRITE_PROTECTED;
}
int ReadOnlyBlockDevice::erase(bd_addr_t addr, bd_size_t size)
{
MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_BLOCK_DEVICE, MBED_ERROR_CODE_WRITE_PROTECTED), "ReadOnlyBlockDevice::erase() not allowed", addr);
return MBED_ERROR_WRITE_PROTECTED;
}
bd_size_t ReadOnlyBlockDevice::get_read_size() const
{
return _bd->get_read_size();
}
bd_size_t ReadOnlyBlockDevice::get_program_size() const
{
return _bd->get_program_size();
}
bd_size_t ReadOnlyBlockDevice::get_erase_size() const
{
return _bd->get_erase_size();
}
bd_size_t ReadOnlyBlockDevice::get_erase_size(bd_addr_t addr) const
{
return _bd->get_erase_size(addr);
}
int ReadOnlyBlockDevice::get_erase_value() const
{
return _bd->get_erase_value();
}
bd_size_t ReadOnlyBlockDevice::size() const
{
return _bd->size();
}