NXP JN516X (TWELITE) をプログラミングする（RANDOM-GENERATOR)

16bitのランダムデータを生成する。簡単すぎるので説明はいらないか．．．

【ライブラリ】

/*
  rndgen.h - Random Number Generator 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 <jendefs.h>
#include <AppHardwareApi.h>
#include "sysctrl.h"

class RNDGen
{
  public:

    typedef enum
    {
      RND_SINGLE_SHOT = E_AHI_RND_SINGLE_SHOT, // single-shot mode
      RND_CONTINUOUS  = E_AHI_RND_CONTINUOUS,  // continuous mode
    } RND;

    static
    void start(RND mode = RND_SINGLE_SHOT, PR_HWINT_APPCALLBACK prRndCallback = 0)
    {
      SysCtrl::interrupt(SysCtrl::INTSRC_RNDEM, prRndCallback);
      vAHI_StartRandomNumberGenerator(mode, prRndCallback != 0);
    }

    static
    void stop(void)
    {
      vAHI_StopRandomNumberGenerator();
    }

    static
    int read(void)
    {
      if (!available())
        return -1;
      return u16AHI_ReadRandomNumber();
    }

    static
    bool available(void)
    {
      return bAHI_RndNumPoll();
    }
};

rndgen.h - Random Number Generator 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 <jendefs.h>

#include <AppHardwareApi.h>

#include "sysctrl.h"

class RNDGen

{

public:

typedef enum

{

RND_SINGLE_SHOT = E_AHI_RND_SINGLE_SHOT, // single-shot mode

RND_CONTINUOUS = E_AHI_RND_CONTINUOUS, // continuous mode

} RND;

static

void start(RND mode = RND_SINGLE_SHOT, PR_HWINT_APPCALLBACK prRndCallback = 0)

{

SysCtrl::interrupt(SysCtrl::INTSRC_RNDEM, prRndCallback);

vAHI_StartRandomNumberGenerator(mode, prRndCallback != 0);

}

static

void stop(void)

{

vAHI_StopRandomNumberGenerator();

}

static

int read(void)

{

if (!available())

return -1;

return u16AHI_ReadRandomNumber();

}

static

bool available(void)

{

return bAHI_RndNumPoll();

}

};

次回は、Flashの予定。

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