test public
Dependencies: HttpServer_snapshot_mbed-os
mbed-gr-libs/bd/RomRamBlockDevice/RomRamBlockDevice.cpp@0:e9fd5575b10e, 2019-10-18 (annotated)
- Committer:
- anhtran
- Date:
- Fri Oct 18 03:09:43 2019 +0000
- Revision:
- 0:e9fd5575b10e
abc
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
anhtran | 0:e9fd5575b10e | 1 | /* mbed Microcontroller Library |
anhtran | 0:e9fd5575b10e | 2 | * Copyright (c) 2017 ARM Limited |
anhtran | 0:e9fd5575b10e | 3 | * |
anhtran | 0:e9fd5575b10e | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
anhtran | 0:e9fd5575b10e | 5 | * you may not use this file except in compliance with the License. |
anhtran | 0:e9fd5575b10e | 6 | * You may obtain a copy of the License at |
anhtran | 0:e9fd5575b10e | 7 | * |
anhtran | 0:e9fd5575b10e | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
anhtran | 0:e9fd5575b10e | 9 | * |
anhtran | 0:e9fd5575b10e | 10 | * Unless required by applicable law or agreed to in writing, software |
anhtran | 0:e9fd5575b10e | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
anhtran | 0:e9fd5575b10e | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
anhtran | 0:e9fd5575b10e | 13 | * See the License for the specific language governing permissions and |
anhtran | 0:e9fd5575b10e | 14 | * limitations under the License. |
anhtran | 0:e9fd5575b10e | 15 | */ |
anhtran | 0:e9fd5575b10e | 16 | |
anhtran | 0:e9fd5575b10e | 17 | #include "RomRamBlockDevice.h" |
anhtran | 0:e9fd5575b10e | 18 | #if defined(TARGET_RENESAS) |
anhtran | 0:e9fd5575b10e | 19 | #include "mbed_drv_cfg.h" |
anhtran | 0:e9fd5575b10e | 20 | |
anhtran | 0:e9fd5575b10e | 21 | #else |
anhtran | 0:e9fd5575b10e | 22 | #define FLASH_BASE 0xFFFFFFFF |
anhtran | 0:e9fd5575b10e | 23 | #define FLASH_SIZE 0xFFFFFFFF |
anhtran | 0:e9fd5575b10e | 24 | #endif |
anhtran | 0:e9fd5575b10e | 25 | |
anhtran | 0:e9fd5575b10e | 26 | RomRamBlockDevice::RomRamBlockDevice(bd_size_t size, bd_size_t block) |
anhtran | 0:e9fd5575b10e | 27 | : _read_size(block), _program_size(block), _erase_size(block) |
anhtran | 0:e9fd5575b10e | 28 | , _count(size / block), _blocks(0), _rom_start(FLASH_BASE), _rom_end(FLASH_BASE + FLASH_SIZE - 1) |
anhtran | 0:e9fd5575b10e | 29 | { |
anhtran | 0:e9fd5575b10e | 30 | MBED_ASSERT(_count * _erase_size == size); |
anhtran | 0:e9fd5575b10e | 31 | } |
anhtran | 0:e9fd5575b10e | 32 | |
anhtran | 0:e9fd5575b10e | 33 | RomRamBlockDevice::RomRamBlockDevice(bd_size_t size, bd_size_t read, bd_size_t program, bd_size_t erase) |
anhtran | 0:e9fd5575b10e | 34 | : _read_size(read), _program_size(program), _erase_size(erase) |
anhtran | 0:e9fd5575b10e | 35 | , _count(size / erase), _blocks(0), _rom_start(FLASH_BASE), _rom_end(FLASH_BASE + FLASH_SIZE - 1) |
anhtran | 0:e9fd5575b10e | 36 | { |
anhtran | 0:e9fd5575b10e | 37 | MBED_ASSERT(_count * _erase_size == size); |
anhtran | 0:e9fd5575b10e | 38 | } |
anhtran | 0:e9fd5575b10e | 39 | |
anhtran | 0:e9fd5575b10e | 40 | RomRamBlockDevice::~RomRamBlockDevice() |
anhtran | 0:e9fd5575b10e | 41 | { |
anhtran | 0:e9fd5575b10e | 42 | if (_blocks) { |
anhtran | 0:e9fd5575b10e | 43 | for (size_t i = 0; i < _count; i++) { |
anhtran | 0:e9fd5575b10e | 44 | free(_blocks[i]); |
anhtran | 0:e9fd5575b10e | 45 | } |
anhtran | 0:e9fd5575b10e | 46 | |
anhtran | 0:e9fd5575b10e | 47 | delete[] _blocks; |
anhtran | 0:e9fd5575b10e | 48 | _blocks = 0; |
anhtran | 0:e9fd5575b10e | 49 | } |
anhtran | 0:e9fd5575b10e | 50 | } |
anhtran | 0:e9fd5575b10e | 51 | |
anhtran | 0:e9fd5575b10e | 52 | void RomRamBlockDevice::SetRomAddr(uint32_t rom_start_addr, uint32_t rom_end_addr) { |
anhtran | 0:e9fd5575b10e | 53 | _rom_start = rom_start_addr; |
anhtran | 0:e9fd5575b10e | 54 | _rom_end = rom_end_addr; |
anhtran | 0:e9fd5575b10e | 55 | } |
anhtran | 0:e9fd5575b10e | 56 | |
anhtran | 0:e9fd5575b10e | 57 | int RomRamBlockDevice::init() |
anhtran | 0:e9fd5575b10e | 58 | { |
anhtran | 0:e9fd5575b10e | 59 | if (!_blocks) { |
anhtran | 0:e9fd5575b10e | 60 | _blocks = new uint8_t*[_count]; |
anhtran | 0:e9fd5575b10e | 61 | for (size_t i = 0; i < _count; i++) { |
anhtran | 0:e9fd5575b10e | 62 | _blocks[i] = 0; |
anhtran | 0:e9fd5575b10e | 63 | } |
anhtran | 0:e9fd5575b10e | 64 | } |
anhtran | 0:e9fd5575b10e | 65 | |
anhtran | 0:e9fd5575b10e | 66 | return BD_ERROR_OK; |
anhtran | 0:e9fd5575b10e | 67 | } |
anhtran | 0:e9fd5575b10e | 68 | |
anhtran | 0:e9fd5575b10e | 69 | int RomRamBlockDevice::deinit() |
anhtran | 0:e9fd5575b10e | 70 | { |
anhtran | 0:e9fd5575b10e | 71 | // Heapory is lazily cleaned up in destructor to allow |
anhtran | 0:e9fd5575b10e | 72 | // data to live across de/reinitialization |
anhtran | 0:e9fd5575b10e | 73 | return BD_ERROR_OK; |
anhtran | 0:e9fd5575b10e | 74 | } |
anhtran | 0:e9fd5575b10e | 75 | |
anhtran | 0:e9fd5575b10e | 76 | bd_size_t RomRamBlockDevice::get_read_size() const |
anhtran | 0:e9fd5575b10e | 77 | { |
anhtran | 0:e9fd5575b10e | 78 | return _read_size; |
anhtran | 0:e9fd5575b10e | 79 | } |
anhtran | 0:e9fd5575b10e | 80 | |
anhtran | 0:e9fd5575b10e | 81 | bd_size_t RomRamBlockDevice::get_program_size() const |
anhtran | 0:e9fd5575b10e | 82 | { |
anhtran | 0:e9fd5575b10e | 83 | return _program_size; |
anhtran | 0:e9fd5575b10e | 84 | } |
anhtran | 0:e9fd5575b10e | 85 | |
anhtran | 0:e9fd5575b10e | 86 | bd_size_t RomRamBlockDevice::get_erase_size() const |
anhtran | 0:e9fd5575b10e | 87 | { |
anhtran | 0:e9fd5575b10e | 88 | return _erase_size; |
anhtran | 0:e9fd5575b10e | 89 | } |
anhtran | 0:e9fd5575b10e | 90 | |
anhtran | 0:e9fd5575b10e | 91 | bd_size_t RomRamBlockDevice::size() const |
anhtran | 0:e9fd5575b10e | 92 | { |
anhtran | 0:e9fd5575b10e | 93 | return _count * _erase_size; |
anhtran | 0:e9fd5575b10e | 94 | } |
anhtran | 0:e9fd5575b10e | 95 | |
anhtran | 0:e9fd5575b10e | 96 | int RomRamBlockDevice::read(void *b, bd_addr_t addr, bd_size_t size) |
anhtran | 0:e9fd5575b10e | 97 | { |
anhtran | 0:e9fd5575b10e | 98 | MBED_ASSERT(is_valid_read(addr, size)); |
anhtran | 0:e9fd5575b10e | 99 | uint8_t *buffer = static_cast<uint8_t*>(b); |
anhtran | 0:e9fd5575b10e | 100 | |
anhtran | 0:e9fd5575b10e | 101 | while (size > 0) { |
anhtran | 0:e9fd5575b10e | 102 | bd_addr_t hi = addr / _erase_size; |
anhtran | 0:e9fd5575b10e | 103 | bd_addr_t lo = addr % _erase_size; |
anhtran | 0:e9fd5575b10e | 104 | |
anhtran | 0:e9fd5575b10e | 105 | if (_blocks[hi]) { |
anhtran | 0:e9fd5575b10e | 106 | memcpy(buffer, &_blocks[hi][lo], _read_size); |
anhtran | 0:e9fd5575b10e | 107 | } else { |
anhtran | 0:e9fd5575b10e | 108 | memset(buffer, 0, _read_size); |
anhtran | 0:e9fd5575b10e | 109 | } |
anhtran | 0:e9fd5575b10e | 110 | |
anhtran | 0:e9fd5575b10e | 111 | buffer += _read_size; |
anhtran | 0:e9fd5575b10e | 112 | addr += _read_size; |
anhtran | 0:e9fd5575b10e | 113 | size -= _read_size; |
anhtran | 0:e9fd5575b10e | 114 | } |
anhtran | 0:e9fd5575b10e | 115 | |
anhtran | 0:e9fd5575b10e | 116 | return 0; |
anhtran | 0:e9fd5575b10e | 117 | } |
anhtran | 0:e9fd5575b10e | 118 | |
anhtran | 0:e9fd5575b10e | 119 | int RomRamBlockDevice::program(const void *b, bd_addr_t addr, bd_size_t size) |
anhtran | 0:e9fd5575b10e | 120 | { |
anhtran | 0:e9fd5575b10e | 121 | MBED_ASSERT(is_valid_program(addr, size)); |
anhtran | 0:e9fd5575b10e | 122 | const uint8_t *buffer = static_cast<const uint8_t*>(b); |
anhtran | 0:e9fd5575b10e | 123 | |
anhtran | 0:e9fd5575b10e | 124 | while (size > 0) { |
anhtran | 0:e9fd5575b10e | 125 | bd_addr_t hi = addr / _erase_size; |
anhtran | 0:e9fd5575b10e | 126 | bd_addr_t lo = addr % _erase_size; |
anhtran | 0:e9fd5575b10e | 127 | |
anhtran | 0:e9fd5575b10e | 128 | if (isRomAddress(buffer)) { |
anhtran | 0:e9fd5575b10e | 129 | if (!isRomAddress(_blocks[hi])) { |
anhtran | 0:e9fd5575b10e | 130 | free(_blocks[hi]); |
anhtran | 0:e9fd5575b10e | 131 | } |
anhtran | 0:e9fd5575b10e | 132 | _blocks[hi] = (uint8_t*)buffer; |
anhtran | 0:e9fd5575b10e | 133 | } else { |
anhtran | 0:e9fd5575b10e | 134 | if (!_blocks[hi]) { |
anhtran | 0:e9fd5575b10e | 135 | _blocks[hi] = (uint8_t*)malloc(_erase_size); |
anhtran | 0:e9fd5575b10e | 136 | if (!_blocks[hi]) { |
anhtran | 0:e9fd5575b10e | 137 | return BD_ERROR_DEVICE_ERROR; |
anhtran | 0:e9fd5575b10e | 138 | } |
anhtran | 0:e9fd5575b10e | 139 | } |
anhtran | 0:e9fd5575b10e | 140 | memcpy(&_blocks[hi][lo], buffer, _program_size); |
anhtran | 0:e9fd5575b10e | 141 | } |
anhtran | 0:e9fd5575b10e | 142 | |
anhtran | 0:e9fd5575b10e | 143 | buffer += _program_size; |
anhtran | 0:e9fd5575b10e | 144 | addr += _program_size; |
anhtran | 0:e9fd5575b10e | 145 | size -= _program_size; |
anhtran | 0:e9fd5575b10e | 146 | } |
anhtran | 0:e9fd5575b10e | 147 | |
anhtran | 0:e9fd5575b10e | 148 | return 0; |
anhtran | 0:e9fd5575b10e | 149 | } |
anhtran | 0:e9fd5575b10e | 150 | |
anhtran | 0:e9fd5575b10e | 151 | int RomRamBlockDevice::erase(bd_addr_t addr, bd_size_t size) |
anhtran | 0:e9fd5575b10e | 152 | { |
anhtran | 0:e9fd5575b10e | 153 | MBED_ASSERT(is_valid_erase(addr, size)); |
anhtran | 0:e9fd5575b10e | 154 | // TODO assert on programming unerased blocks |
anhtran | 0:e9fd5575b10e | 155 | |
anhtran | 0:e9fd5575b10e | 156 | return 0; |
anhtran | 0:e9fd5575b10e | 157 | } |
anhtran | 0:e9fd5575b10e | 158 | |
anhtran | 0:e9fd5575b10e | 159 | bool RomRamBlockDevice::isRomAddress(const uint8_t *address) { |
anhtran | 0:e9fd5575b10e | 160 | if (((uint32_t)address >= _rom_start) |
anhtran | 0:e9fd5575b10e | 161 | && ((uint32_t)address <= (_rom_end - _erase_size + 1))) { |
anhtran | 0:e9fd5575b10e | 162 | return true; |
anhtran | 0:e9fd5575b10e | 163 | } |
anhtran | 0:e9fd5575b10e | 164 | return false; |
anhtran | 0:e9fd5575b10e | 165 | } |
anhtran | 0:e9fd5575b10e | 166 | |
anhtran | 0:e9fd5575b10e | 167 | const char *RomRamBlockDevice::get_type() const |
anhtran | 0:e9fd5575b10e | 168 | { |
anhtran | 0:e9fd5575b10e | 169 | return "ROMRAM"; |
anhtran | 0:e9fd5575b10e | 170 | } |
anhtran | 0:e9fd5575b10e | 171 |