twelite – ページ 19 – Sasapea's Lab

EEPROM領域を読み書きできる。使いやすいようにページ境界を意識せず使えるように改良してみたがまだデバッグしてないので動くかどうかはわからないことに注意すべし。

【修正履歴】
2022-11-07
EEPROM消去後の値は0xFFだと思い込んでいたがドキュメントによると0x00であることがわかったので修正。

【ライブラリ】

/*
  eeprom.h - EEPROM Library for NXP-JN516x

  Copyright (c) 2022 Sasapea's Lab. All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General
  Public License along with this library; if not, write to the
  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  Boston, MA  02111-1307  USA
*/
#pragma once

#include <string.h>
#include <jendefs.h>
#include <AppHardwareApi.h>

/*
JN5161-001:  64kB Flash,  8kB RAM, 4 kB EEPROM suitable for IEEE802.15.4 and RF4CE applications
JN5164-001: 160kB Flash, 32kB RAM, 4 kB EEPROM suitable for Jennet-IP, IEEE802.15.4 and RF4CE applications
JN5168-001: 256kB Flash, 32kB RAM, 4 kB EEPROM suitable for all applications

Parameter              Min    Typ    Max Unit  Notes
-----------------------------------------------------------------------
Flash endurance         10K  100/50K     Cycle Program/erase
Flash erase time             100         ms    One or more sectors
Flash programming time       1.0         ms    256 bytes
EEPROM endurance       100K  1M/500K     °C    Program/erase (see 4.4 )
EEPROM erase time            1.8         ms    One 64 bytes page
EEPROM programming time      1.1         ms    Between 1 & 64 bytes
Retention time powered   10              Years Flash & EEPRO
unpowered                20
-----------------------------------------------------------------------
*/

class EEPRom
{
  public:

    static
    void begin(void)
    {
      _segments = u16AHI_InitialiseEEP(&_segbytes);
    }

    static
    bool erase(uint16 u16Offset, uint16 u16Length)
    {
      if (u16Offset > _segments * _segbytes)
        return false;
      uint16 u16SegmentIndex      = u16Offset / _segbytes;
      uint8  u8SegmentByteAddress = u16Offset % _segbytes;
      uint8  save[_segbytes];
      while (u16Length)
      {
        uint8 u8Len = MIN(u16Length, _segbytes - u8SegmentByteAddress);
        if (u8Len != _segbytes)
        {
          if (iAHI_ReadDataFromEEPROMsegment(u16SegmentIndex, 0, save, _segbytes))
            return false;
          memset(&save[u8SegmentByteAddress], 0x00, u8Len);
        }
        if (iAHI_EraseEEPROMsegment(u16SegmentIndex))
          return false;
        if (u8Len != _segbytes)
        {
          if (iAHI_WriteDataIntoEEPROMsegment(u16SegmentIndex, 0, save, _segbytes))
            return false;
        }
        u16SegmentIndex++;
        u8SegmentByteAddress = 0;
        u16Length -= u8Len;
      }
      return true;
    }

    static
    bool write(uint16 u16Offset, uint8 *pu8Buffer, uint16 u16Length)
    {
      if (u16Offset > _segments * _segbytes)
        return false;
      uint16 u16SegmentIndex      = u16Offset / _segbytes;
      uint8  u8SegmentByteAddress = u16Offset % _segbytes;
      while (u16Length)
      {
        uint8 u8Len = MIN(u16Length, _segbytes - u8SegmentByteAddress);
        if (iAHI_WriteDataIntoEEPROMsegment(u16SegmentIndex, u8SegmentByteAddress, pu8Buffer, u8Len))
          return false;
        u16SegmentIndex++;
        u8SegmentByteAddress = 0;
        u16Length -= u8Len;
        pu8Buffer += u8Len;
      }
      return true;
    }

    static
    bool read(uint16 u16Offset, uint8 *pu8Buffer, uint16 u16Length)
    {
      if (u16Offset > _segments * _segbytes)
        return false;
      uint16 u16SegmentIndex      = u16Offset / _segbytes;
      uint8  u8SegmentByteAddress = u16Offset % _segbytes;
      while (u16Length)
      {
        uint8 u8Len = MIN(u16Length, _segbytes - u8SegmentByteAddress);
        if (iAHI_ReadDataFromEEPROMsegment(u16SegmentIndex, u8SegmentByteAddress, pu8Buffer, u8Len))
          return false;
        u16SegmentIndex++;
        u8SegmentByteAddress = 0;
        u16Length -= u8Len;
        pu8Buffer += u8Len;
      }
      return true;
    }

  private:

    static uint8  _segbytes;
    static uint16 _segments;
};

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

eeprom.h - EEPROM Library for NXP-JN516x

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General

Public License along with this library; if not, write to the

Free Software Foundation, Inc., 59 Temple Place, Suite 330,

Boston, MA 02111-1307 USA

#pragma once

#include <string.h>

#include <jendefs.h>

#include <AppHardwareApi.h>

JN5161-001: 64kB Flash, 8kB RAM, 4 kB EEPROM suitable for IEEE802.15.4 and RF4CE applications

JN5164-001: 160kB Flash, 32kB RAM, 4 kB EEPROM suitable for Jennet-IP, IEEE802.15.4 and RF4CE applications

JN5168-001: 256kB Flash, 32kB RAM, 4 kB EEPROM suitable for all applications

Parameter Min Typ Max Unit Notes

-----------------------------------------------------------------------

Flash endurance 10K 100/50K Cycle Program/erase

Flash erase time 100 ms One or more sectors

Flash programming time 1.0 ms 256 bytes

EEPROM endurance 100K 1M/500K °C Program/erase (see 4.4 )

EEPROM erase time 1.8 ms One 64 bytes page

EEPROM programming time 1.1 ms Between 1 & 64 bytes

Retention time powered 10 Years Flash & EEPRO

unpowered 20

-----------------------------------------------------------------------

class EEPRom

{

public:

static

void begin(void)

{

_segments = u16AHI_InitialiseEEP(&_segbytes);

}

static

bool erase(uint16 u16Offset, uint16 u16Length)

{

if (u16Offset > _segments * _segbytes)

return false;

uint16 u16SegmentIndex = u16Offset / _segbytes;

uint8 u8SegmentByteAddress = u16Offset % _segbytes;

uint8 save[_segbytes];

while (u16Length)

{

uint8 u8Len = MIN(u16Length, _segbytes - u8SegmentByteAddress);

if (u8Len != _segbytes)

{

if (iAHI_ReadDataFromEEPROMsegment(u16SegmentIndex, 0, save, _segbytes))

return false;

memset(&save[u8SegmentByteAddress], 0x00, u8Len);

}

if (iAHI_EraseEEPROMsegment(u16SegmentIndex))

return false;

if (u8Len != _segbytes)

{

if (iAHI_WriteDataIntoEEPROMsegment(u16SegmentIndex, 0, save, _segbytes))

return false;

}

u16SegmentIndex++;

u8SegmentByteAddress = 0;

u16Length -= u8Len;

}

return true;

}

static

bool write(uint16 u16Offset, uint8 *pu8Buffer, uint16 u16Length)

{

if (u16Offset > _segments * _segbytes)

return false;

uint16 u16SegmentIndex = u16Offset / _segbytes;

uint8 u8SegmentByteAddress = u16Offset % _segbytes;

while (u16Length)

{

uint8 u8Len = MIN(u16Length, _segbytes - u8SegmentByteAddress);

if (iAHI_WriteDataIntoEEPROMsegment(u16SegmentIndex, u8SegmentByteAddress, pu8Buffer, u8Len))

return false;

u16SegmentIndex++;

u8SegmentByteAddress = 0;

u16Length -= u8Len;

pu8Buffer += u8Len;

}

return true;

}

static

bool read(uint16 u16Offset, uint8 *pu8Buffer, uint16 u16Length)

{

if (u16Offset > _segments * _segbytes)

return false;

uint16 u16SegmentIndex = u16Offset / _segbytes;

uint8 u8SegmentByteAddress = u16Offset % _segbytes;

while (u16Length)

{

uint8 u8Len = MIN(u16Length, _segbytes - u8SegmentByteAddress);

if (iAHI_ReadDataFromEEPROMsegment(u16SegmentIndex, u8SegmentByteAddress, pu8Buffer, u8Len))

return false;

u16SegmentIndex++;

u8SegmentByteAddress = 0;

u16Length -= u8Len;

pu8Buffer += u8Len;

}

return true;

}

private:

static uint8 _segbytes;

static uint16 _segments;

};

/*
  eeprom.cpp - EEPROM Library for NXP-JN516x

  Copyright (c) 2022 Sasapea's Lab. All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General
  Public License along with this library; if not, write to the
  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  Boston, MA  02111-1307  USA
*/
#include "eeprom.h"

uint8  EEPRom::_segbytes = 64;
uint16 EEPRom::_segments = 64;

eeprom.cpp - EEPROM Library for NXP-JN516x

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General

Public License along with this library; if not, write to the

Free Software Foundation, Inc., 59 Temple Place, Suite 330,

Boston, MA 02111-1307 USA

#include "eeprom.h"

uint8 EEPRom::_segbytes = 64;

uint16 EEPRom::_segments = 64;

次回、最終章はIEE802.15.4を使ったWireless Personal Area Network (WPAN)の予定。

カテゴリー: twelite

NXP JN516X (TWELITE) をプログラミングする（EEPROM)