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 /** \addtogroup storage */
00024 /** @{*/
00025 
00026 #include "ReadOnlyBlockDevice.h"
00027 #include "platform/mbed_error.h"
00028 
00029 namespace mbed {
00030 
00031 ReadOnlyBlockDevice::ReadOnlyBlockDevice(BlockDevice *bd)
00032     : _bd(bd)
00033 {
00034     // Does nothing
00035 }
00036 
00037 ReadOnlyBlockDevice::~ReadOnlyBlockDevice()
00038 {
00039     // Does nothing
00040 }
00041 
00042 int ReadOnlyBlockDevice::init()
00043 {
00044     return _bd->init();
00045 }
00046 
00047 int ReadOnlyBlockDevice::deinit()
00048 {
00049     return _bd->deinit();
00050 }
00051 
00052 int ReadOnlyBlockDevice::sync()
00053 {
00054     return _bd->sync();
00055 }
00056 
00057 int ReadOnlyBlockDevice::read(void *buffer, bd_addr_t addr, bd_size_t size)
00058 {
00059     return _bd->read(buffer, addr, size);
00060 }
00061 
00062 int ReadOnlyBlockDevice::program(const void *buffer, bd_addr_t addr, bd_size_t size)
00063 {
00064     MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_BLOCK_DEVICE, MBED_ERROR_CODE_WRITE_PROTECTED), "ReadOnlyBlockDevice::program() not allowed", addr);
00065     return MBED_ERROR_WRITE_PROTECTED;
00066 }
00067 
00068 int ReadOnlyBlockDevice::erase(bd_addr_t addr, bd_size_t size)
00069 {
00070     MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_BLOCK_DEVICE, MBED_ERROR_CODE_WRITE_PROTECTED), "ReadOnlyBlockDevice::erase() not allowed", addr);
00071     return MBED_ERROR_WRITE_PROTECTED;
00072 }
00073 
00074 bd_size_t ReadOnlyBlockDevice::get_read_size() const
00075 {
00076     return _bd->get_read_size();
00077 }
00078 
00079 bd_size_t ReadOnlyBlockDevice::get_program_size() const
00080 {
00081     return _bd->get_program_size();
00082 }
00083 
00084 bd_size_t ReadOnlyBlockDevice::get_erase_size() const
00085 {
00086     return _bd->get_erase_size();
00087 }
00088 
00089 bd_size_t ReadOnlyBlockDevice::get_erase_size(bd_addr_t addr) const
00090 {
00091     return _bd->get_erase_size(addr);
00092 }
00093 
00094 int ReadOnlyBlockDevice::get_erase_value() const
00095 {
00096     return _bd->get_erase_value();
00097 }
00098 
00099 bd_size_t ReadOnlyBlockDevice::size() const
00100 {
00101     return _bd->size();
00102 }
00103 
00104 const char *ReadOnlyBlockDevice::get_type() const
00105 {
00106     if (_bd != NULL) {
00107         return _bd->get_type();
00108     }
00109 
00110     return NULL;
00111 }
00112 
00113 } // namespace mbed
00114 
00115 /** @}*/
00116 
00117