mirror of
https://github.com/espressif/openthread.git
synced 2026-08-08 19:57:46 +00:00
[utils] remove example flash implementation (#4552)
This commit is contained in:
Jonathan Hui
@@ -31,7 +31,6 @@ add_library(openthread-platform-utils OBJECT
|
||||
logging_rtt.c
|
||||
mac_frame.cpp
|
||||
settings_ram.c
|
||||
settings_flash.c
|
||||
soft_source_match_table.c
|
||||
)
|
||||
|
||||
|
||||
@@ -40,14 +40,12 @@ libopenthread_platform_utils_a_CPPFLAGS = \
|
||||
libopenthread_platform_utils_a_SOURCES = \
|
||||
code_utils.h \
|
||||
debug_uart.c \
|
||||
flash.h \
|
||||
logging_rtt.c \
|
||||
logging_rtt.h \
|
||||
mac_frame.cpp \
|
||||
mac_frame.h \
|
||||
settings.h \
|
||||
settings_ram.c \
|
||||
settings_flash.c \
|
||||
soft_source_match_table.c \
|
||||
soft_source_match_table.h \
|
||||
$(NULL)
|
||||
|
||||
@@ -1,129 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2016, The OpenThread Authors.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the copyright holder nor the
|
||||
* names of its contributors may be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @brief
|
||||
* This file defines the flash interface used by settings.cpp.
|
||||
*/
|
||||
|
||||
#ifndef UTILS_FLASH_H
|
||||
#define UTILS_FLASH_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include <openthread/error.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Perform any initialization for flash driver.
|
||||
*
|
||||
* @retval ::OT_ERROR_NONE Initialize flash driver success.
|
||||
* @retval ::OT_ERROR_FAILED Initialize flash driver fail.
|
||||
*/
|
||||
otError utilsFlashInit(void);
|
||||
|
||||
/**
|
||||
* Get the size of flash that can be read/write by the caller.
|
||||
* The usable flash size is always the multiple of flash page size.
|
||||
*
|
||||
* @returns The size of the flash.
|
||||
*/
|
||||
uint32_t utilsFlashGetSize(void);
|
||||
|
||||
/**
|
||||
* Erase one flash page that include the input address.
|
||||
* This is a non-blocking function. It can work with utilsFlashStatusWait to check when erase is done.
|
||||
*
|
||||
* The flash address starts from 0, and this function maps the input address to the physical address of flash for
|
||||
* erasing. 0 is always mapped to the beginning of one flash page. The input address should never be mapped to the
|
||||
* firmware space or any other protected flash space.
|
||||
*
|
||||
* @param[in] aAddress The start address of the flash to erase.
|
||||
*
|
||||
* @retval OT_ERROR_NONE Erase flash operation is started.
|
||||
* @retval OT_ERROR_FAILED Erase flash operation is not started.
|
||||
* @retval OT_ERROR_INVALID_ARGS aAddress is out of range of flash or not aligned.
|
||||
*/
|
||||
otError utilsFlashErasePage(uint32_t aAddress);
|
||||
|
||||
/**
|
||||
* Check whether flash is ready or busy.
|
||||
*
|
||||
* @param[in] aTimeout The interval in milliseconds waiting for the flash operation to be done and become ready again.
|
||||
* zero indicates that it is a polling function, and returns current status of flash immediately.
|
||||
* non-zero indicates that it is blocking there until the operation is done and become ready, or
|
||||
* timeout expires.
|
||||
*
|
||||
* @retval OT_ERROR_NONE Flash is ready for any operation.
|
||||
* @retval OT_ERROR_BUSY Flash is busy.
|
||||
*/
|
||||
otError utilsFlashStatusWait(uint32_t aTimeout);
|
||||
|
||||
/**
|
||||
* Write flash. The write operation only clears bits, but never set bits.
|
||||
*
|
||||
* The flash address starts from 0, and this function maps the input address to the physical address of flash for
|
||||
* writing. 0 is always mapped to the beginning of one flash page. The input address should never be mapped to the
|
||||
* firmware space or any other protected flash space.
|
||||
*
|
||||
* @param[in] aAddress The start address of the flash to write.
|
||||
* @param[in] aData The pointer of the data to write.
|
||||
* @param[in] aSize The size of the data to write.
|
||||
*
|
||||
* @returns The actual size of octets write to flash.
|
||||
* It is expected the same as aSize, and may be less than aSize.
|
||||
* 0 indicates that something wrong happens when writing.
|
||||
*/
|
||||
uint32_t utilsFlashWrite(uint32_t aAddress, uint8_t *aData, uint32_t aSize);
|
||||
|
||||
/**
|
||||
* Read flash.
|
||||
*
|
||||
* The flash address starts from 0, and this function maps the input address to the physical address of flash for
|
||||
* reading. 0 is always mapped to the beginning of one flash page. The input address should never be mapped to the
|
||||
* firmware space or any other protected flash space.
|
||||
*
|
||||
* @param[in] aAddress The start address of the flash to read.
|
||||
* @param[Out] aData The pointer of buffer for reading.
|
||||
* @param[in] aSize The size of the data to read.
|
||||
*
|
||||
* @returns The actual size of octets read to buffer.
|
||||
* It is expected the same as aSize, and may be less than aSize.
|
||||
* 0 indicates that something wrong happens when reading.
|
||||
*/
|
||||
uint32_t utilsFlashRead(uint32_t aAddress, uint8_t *aData, uint32_t aSize);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} // extern "C"
|
||||
#endif
|
||||
|
||||
#endif // UTILS_FLASH_H
|
||||
@@ -37,36 +37,6 @@
|
||||
|
||||
#include <openthread-core-config.h>
|
||||
|
||||
/**
|
||||
* @def SETTINGS_CONFIG_BASE_ADDRESS
|
||||
*
|
||||
* The base address of settings.
|
||||
*
|
||||
*/
|
||||
#ifndef SETTINGS_CONFIG_BASE_ADDRESS
|
||||
#define SETTINGS_CONFIG_BASE_ADDRESS 0x39000
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @def SETTINGS_CONFIG_PAGE_SIZE
|
||||
*
|
||||
* The page size of settings.
|
||||
*
|
||||
*/
|
||||
#ifndef SETTINGS_CONFIG_PAGE_SIZE
|
||||
#define SETTINGS_CONFIG_PAGE_SIZE 0x800
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @def SETTINGS_CONFIG_PAGE_NUM
|
||||
*
|
||||
* The page number of settings.
|
||||
*
|
||||
*/
|
||||
#ifndef SETTINGS_CONFIG_PAGE_NUM
|
||||
#define SETTINGS_CONFIG_PAGE_NUM 2
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @def OPENTHREAD_SETTINGS_RAM
|
||||
*
|
||||
|
||||
@@ -1,406 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2016, The OpenThread Authors.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the copyright holder nor the
|
||||
* names of its contributors may be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file
|
||||
* This file implements the OpenThread platform abstraction for non-volatile storage of settings.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "settings.h"
|
||||
|
||||
#include <assert.h>
|
||||
#include <stddef.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <openthread/instance.h>
|
||||
#include <openthread/platform/settings.h>
|
||||
|
||||
#include "utils/code_utils.h"
|
||||
|
||||
#include "flash.h"
|
||||
|
||||
#define OT_FLASH_BLOCK_ADD_BEGIN_FLAG (1 << 0)
|
||||
#define OT_FLASH_BLOCK_ADD_COMPLETE_FLAG (1 << 1)
|
||||
#define OT_FLASH_BLOCK_DELETE_FLAG (1 << 2)
|
||||
#define OT_FLASH_BLOCK_INDEX_0_FLAG (1 << 3)
|
||||
|
||||
#define OT_SETTINGS_FLAG_SIZE 4
|
||||
#define OT_SETTINGS_BLOCK_DATA_SIZE 255
|
||||
|
||||
#define OT_SETTINGS_IN_SWAP 0xbe5cc5ef
|
||||
#define OT_SETTINGS_IN_USE 0xbe5cc5ee
|
||||
#define OT_SETTINGS_NOT_USED 0xbe5cc5ec
|
||||
|
||||
OT_TOOL_PACKED_BEGIN
|
||||
struct settingsBlock
|
||||
{
|
||||
uint16_t key;
|
||||
uint16_t flag;
|
||||
uint16_t length;
|
||||
uint16_t reserved;
|
||||
} OT_TOOL_PACKED_END;
|
||||
|
||||
#if (SETTINGS_CONFIG_PAGE_NUM <= 1)
|
||||
#error "Invalid value for `SETTINGS_CONFIG_PAGE_NUM` (should be >= 2)"
|
||||
#endif
|
||||
|
||||
#if !OPENTHREAD_SETTINGS_RAM
|
||||
|
||||
static uint32_t sSettingsBaseAddress;
|
||||
static uint32_t sSettingsUsedSize;
|
||||
|
||||
static uint16_t getAlignLength(uint16_t length)
|
||||
{
|
||||
return (length + 3) & 0xfffc;
|
||||
}
|
||||
|
||||
static void setSettingsFlag(uint32_t aBase, uint32_t aFlag)
|
||||
{
|
||||
utilsFlashWrite(aBase, (uint8_t *)&aFlag, sizeof(aFlag));
|
||||
}
|
||||
|
||||
static void initSettings(uint32_t aBase, uint32_t aFlag)
|
||||
{
|
||||
uint32_t address = aBase;
|
||||
uint32_t settingsSize = SETTINGS_CONFIG_PAGE_SIZE * SETTINGS_CONFIG_PAGE_NUM / 2;
|
||||
|
||||
while (address < (aBase + settingsSize))
|
||||
{
|
||||
utilsFlashErasePage(address);
|
||||
utilsFlashStatusWait(1000);
|
||||
address += SETTINGS_CONFIG_PAGE_SIZE;
|
||||
}
|
||||
|
||||
setSettingsFlag(aBase, aFlag);
|
||||
}
|
||||
|
||||
static uint32_t swapSettingsBlock(otInstance *aInstance)
|
||||
{
|
||||
OT_UNUSED_VARIABLE(aInstance);
|
||||
|
||||
uint32_t oldBase = sSettingsBaseAddress;
|
||||
uint32_t swapAddress = oldBase;
|
||||
uint32_t usedSize = sSettingsUsedSize;
|
||||
uint32_t settingsSize = SETTINGS_CONFIG_PAGE_SIZE * SETTINGS_CONFIG_PAGE_NUM / 2;
|
||||
|
||||
sSettingsBaseAddress =
|
||||
(swapAddress == SETTINGS_CONFIG_BASE_ADDRESS) ? (swapAddress + settingsSize) : SETTINGS_CONFIG_BASE_ADDRESS;
|
||||
|
||||
initSettings(sSettingsBaseAddress, (uint32_t)OT_SETTINGS_IN_SWAP);
|
||||
sSettingsUsedSize = OT_SETTINGS_FLAG_SIZE;
|
||||
swapAddress += OT_SETTINGS_FLAG_SIZE;
|
||||
|
||||
while (swapAddress < (oldBase + usedSize))
|
||||
{
|
||||
OT_TOOL_PACKED_BEGIN
|
||||
struct addSettingsBlock
|
||||
{
|
||||
struct settingsBlock block;
|
||||
uint8_t data[OT_SETTINGS_BLOCK_DATA_SIZE];
|
||||
} OT_TOOL_PACKED_END addBlock;
|
||||
bool valid = true;
|
||||
|
||||
utilsFlashRead(swapAddress, (uint8_t *)(&addBlock.block), sizeof(struct settingsBlock));
|
||||
swapAddress += sizeof(struct settingsBlock);
|
||||
|
||||
if (!(addBlock.block.flag & OT_FLASH_BLOCK_ADD_COMPLETE_FLAG) &&
|
||||
(addBlock.block.flag & OT_FLASH_BLOCK_DELETE_FLAG))
|
||||
{
|
||||
uint32_t address = swapAddress + getAlignLength(addBlock.block.length);
|
||||
|
||||
while (address < (oldBase + usedSize))
|
||||
{
|
||||
struct settingsBlock block;
|
||||
|
||||
utilsFlashRead(address, (uint8_t *)(&block), sizeof(block));
|
||||
|
||||
if (!(block.flag & OT_FLASH_BLOCK_ADD_COMPLETE_FLAG) && (block.flag & OT_FLASH_BLOCK_DELETE_FLAG) &&
|
||||
!(block.flag & OT_FLASH_BLOCK_INDEX_0_FLAG) && (block.key == addBlock.block.key))
|
||||
{
|
||||
valid = false;
|
||||
break;
|
||||
}
|
||||
|
||||
address += (getAlignLength(block.length) + sizeof(struct settingsBlock));
|
||||
}
|
||||
|
||||
if (valid)
|
||||
{
|
||||
utilsFlashRead(swapAddress, addBlock.data, getAlignLength(addBlock.block.length));
|
||||
utilsFlashWrite(sSettingsBaseAddress + sSettingsUsedSize, (uint8_t *)(&addBlock),
|
||||
getAlignLength(addBlock.block.length) + sizeof(struct settingsBlock));
|
||||
sSettingsUsedSize += (sizeof(struct settingsBlock) + getAlignLength(addBlock.block.length));
|
||||
}
|
||||
}
|
||||
else if (addBlock.block.flag == 0xff)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
swapAddress += getAlignLength(addBlock.block.length);
|
||||
}
|
||||
|
||||
setSettingsFlag(sSettingsBaseAddress, (uint32_t)OT_SETTINGS_IN_USE);
|
||||
setSettingsFlag(oldBase, (uint32_t)OT_SETTINGS_NOT_USED);
|
||||
|
||||
return settingsSize - sSettingsUsedSize;
|
||||
}
|
||||
|
||||
static otError addSetting(otInstance * aInstance,
|
||||
uint16_t aKey,
|
||||
bool aIndex0,
|
||||
const uint8_t *aValue,
|
||||
uint16_t aValueLength)
|
||||
{
|
||||
otError error = OT_ERROR_NONE;
|
||||
OT_TOOL_PACKED_BEGIN
|
||||
struct addSettingsBlock
|
||||
{
|
||||
struct settingsBlock block;
|
||||
uint8_t data[OT_SETTINGS_BLOCK_DATA_SIZE];
|
||||
} OT_TOOL_PACKED_END addBlock;
|
||||
uint32_t settingsSize = SETTINGS_CONFIG_PAGE_SIZE * SETTINGS_CONFIG_PAGE_NUM / 2;
|
||||
|
||||
addBlock.block.flag = 0xff;
|
||||
addBlock.block.key = aKey;
|
||||
|
||||
if (aIndex0)
|
||||
{
|
||||
addBlock.block.flag &= (~OT_FLASH_BLOCK_INDEX_0_FLAG);
|
||||
}
|
||||
|
||||
addBlock.block.flag &= (~OT_FLASH_BLOCK_ADD_BEGIN_FLAG);
|
||||
addBlock.block.length = aValueLength;
|
||||
|
||||
if ((sSettingsUsedSize + getAlignLength(addBlock.block.length) + sizeof(struct settingsBlock)) >= settingsSize)
|
||||
{
|
||||
otEXPECT_ACTION(swapSettingsBlock(aInstance) >=
|
||||
(getAlignLength(addBlock.block.length) + sizeof(struct settingsBlock)),
|
||||
error = OT_ERROR_NO_BUFS);
|
||||
}
|
||||
|
||||
utilsFlashWrite(sSettingsBaseAddress + sSettingsUsedSize, (uint8_t *)(&addBlock.block),
|
||||
sizeof(struct settingsBlock));
|
||||
|
||||
memset(addBlock.data, 0xff, OT_SETTINGS_BLOCK_DATA_SIZE);
|
||||
memcpy(addBlock.data, aValue, addBlock.block.length);
|
||||
|
||||
utilsFlashWrite(sSettingsBaseAddress + sSettingsUsedSize + sizeof(struct settingsBlock), (uint8_t *)(addBlock.data),
|
||||
getAlignLength(addBlock.block.length));
|
||||
|
||||
addBlock.block.flag &= (~OT_FLASH_BLOCK_ADD_COMPLETE_FLAG);
|
||||
utilsFlashWrite(sSettingsBaseAddress + sSettingsUsedSize, (uint8_t *)(&addBlock.block),
|
||||
sizeof(struct settingsBlock));
|
||||
sSettingsUsedSize += (sizeof(struct settingsBlock) + getAlignLength(addBlock.block.length));
|
||||
|
||||
exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
// settings API
|
||||
void otPlatSettingsInit(otInstance *aInstance)
|
||||
{
|
||||
OT_UNUSED_VARIABLE(aInstance);
|
||||
|
||||
uint8_t index;
|
||||
uint32_t settingsSize = SETTINGS_CONFIG_PAGE_SIZE * SETTINGS_CONFIG_PAGE_NUM / 2;
|
||||
|
||||
sSettingsBaseAddress = SETTINGS_CONFIG_BASE_ADDRESS;
|
||||
|
||||
utilsFlashInit();
|
||||
|
||||
for (index = 0; index < 2; index++)
|
||||
{
|
||||
uint32_t blockFlag;
|
||||
|
||||
sSettingsBaseAddress += settingsSize * index;
|
||||
utilsFlashRead(sSettingsBaseAddress, (uint8_t *)(&blockFlag), sizeof(blockFlag));
|
||||
|
||||
if (blockFlag == OT_SETTINGS_IN_USE)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (index == 2)
|
||||
{
|
||||
initSettings(sSettingsBaseAddress, (uint32_t)OT_SETTINGS_IN_USE);
|
||||
}
|
||||
|
||||
sSettingsUsedSize = OT_SETTINGS_FLAG_SIZE;
|
||||
|
||||
while (sSettingsUsedSize < settingsSize)
|
||||
{
|
||||
struct settingsBlock block;
|
||||
|
||||
utilsFlashRead(sSettingsBaseAddress + sSettingsUsedSize, (uint8_t *)(&block), sizeof(block));
|
||||
|
||||
if (!(block.flag & OT_FLASH_BLOCK_ADD_BEGIN_FLAG))
|
||||
{
|
||||
sSettingsUsedSize += (getAlignLength(block.length) + sizeof(struct settingsBlock));
|
||||
}
|
||||
else
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void otPlatSettingsDeinit(otInstance *aInstance)
|
||||
{
|
||||
OT_UNUSED_VARIABLE(aInstance);
|
||||
}
|
||||
|
||||
otError otPlatSettingsGet(otInstance *aInstance, uint16_t aKey, int aIndex, uint8_t *aValue, uint16_t *aValueLength)
|
||||
{
|
||||
OT_UNUSED_VARIABLE(aInstance);
|
||||
|
||||
otError error = OT_ERROR_NOT_FOUND;
|
||||
uint32_t address = sSettingsBaseAddress + OT_SETTINGS_FLAG_SIZE;
|
||||
uint16_t valueLength = 0;
|
||||
int index = 0;
|
||||
|
||||
while (address < (sSettingsBaseAddress + sSettingsUsedSize))
|
||||
{
|
||||
struct settingsBlock block;
|
||||
|
||||
utilsFlashRead(address, (uint8_t *)(&block), sizeof(block));
|
||||
|
||||
if (block.key == aKey)
|
||||
{
|
||||
if (!(block.flag & OT_FLASH_BLOCK_INDEX_0_FLAG))
|
||||
{
|
||||
index = 0;
|
||||
}
|
||||
|
||||
if (!(block.flag & OT_FLASH_BLOCK_ADD_COMPLETE_FLAG) && (block.flag & OT_FLASH_BLOCK_DELETE_FLAG))
|
||||
{
|
||||
if (index == aIndex)
|
||||
{
|
||||
uint16_t readLength = block.length;
|
||||
|
||||
// only perform read if an input buffer was passed in
|
||||
if (aValue != NULL && aValueLength != NULL)
|
||||
{
|
||||
// adjust read length if input buffer length is smaller
|
||||
if (readLength > *aValueLength)
|
||||
{
|
||||
readLength = *aValueLength;
|
||||
}
|
||||
|
||||
utilsFlashRead(address + sizeof(struct settingsBlock), aValue, readLength);
|
||||
}
|
||||
|
||||
valueLength = block.length;
|
||||
error = OT_ERROR_NONE;
|
||||
}
|
||||
|
||||
index++;
|
||||
}
|
||||
}
|
||||
|
||||
address += (getAlignLength(block.length) + sizeof(struct settingsBlock));
|
||||
}
|
||||
|
||||
if (aValueLength != NULL)
|
||||
{
|
||||
*aValueLength = valueLength;
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
otError otPlatSettingsSet(otInstance *aInstance, uint16_t aKey, const uint8_t *aValue, uint16_t aValueLength)
|
||||
{
|
||||
return addSetting(aInstance, aKey, true, aValue, aValueLength);
|
||||
}
|
||||
|
||||
otError otPlatSettingsAdd(otInstance *aInstance, uint16_t aKey, const uint8_t *aValue, uint16_t aValueLength)
|
||||
{
|
||||
uint16_t length;
|
||||
bool index0;
|
||||
|
||||
index0 = (otPlatSettingsGet(aInstance, aKey, 0, NULL, &length) == OT_ERROR_NOT_FOUND ? true : false);
|
||||
return addSetting(aInstance, aKey, index0, aValue, aValueLength);
|
||||
}
|
||||
|
||||
otError otPlatSettingsDelete(otInstance *aInstance, uint16_t aKey, int aIndex)
|
||||
{
|
||||
OT_UNUSED_VARIABLE(aInstance);
|
||||
|
||||
otError error = OT_ERROR_NOT_FOUND;
|
||||
uint32_t address = sSettingsBaseAddress + OT_SETTINGS_FLAG_SIZE;
|
||||
int index = 0;
|
||||
|
||||
while (address < (sSettingsBaseAddress + sSettingsUsedSize))
|
||||
{
|
||||
struct settingsBlock block;
|
||||
|
||||
utilsFlashRead(address, (uint8_t *)(&block), sizeof(block));
|
||||
|
||||
if (block.key == aKey)
|
||||
{
|
||||
if (!(block.flag & OT_FLASH_BLOCK_INDEX_0_FLAG))
|
||||
{
|
||||
index = 0;
|
||||
}
|
||||
|
||||
if (!(block.flag & OT_FLASH_BLOCK_ADD_COMPLETE_FLAG) && (block.flag & OT_FLASH_BLOCK_DELETE_FLAG))
|
||||
{
|
||||
if (aIndex == index || aIndex == -1)
|
||||
{
|
||||
error = OT_ERROR_NONE;
|
||||
block.flag &= (~OT_FLASH_BLOCK_DELETE_FLAG);
|
||||
utilsFlashWrite(address, (uint8_t *)(&block), sizeof(block));
|
||||
}
|
||||
|
||||
if (index == 1 && aIndex == 0)
|
||||
{
|
||||
block.flag &= (~OT_FLASH_BLOCK_INDEX_0_FLAG);
|
||||
utilsFlashWrite(address, (uint8_t *)(&block), sizeof(block));
|
||||
}
|
||||
|
||||
index++;
|
||||
}
|
||||
}
|
||||
|
||||
address += (getAlignLength(block.length) + sizeof(struct settingsBlock));
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
void otPlatSettingsWipe(otInstance *aInstance)
|
||||
{
|
||||
initSettings(sSettingsBaseAddress, (uint32_t)OT_SETTINGS_IN_USE);
|
||||
otPlatSettingsInit(aInstance);
|
||||
}
|
||||
|
||||
#endif /* OPENTHREAD_SETTINGS_RAM */
|
||||
Reference in New Issue
Block a user