Sasapea's Lab

Brownoutは、電源電圧を監視し設定された閾値を跨いだ時にイベントを発生させたりＣＰＵリセットをかけたりすることができる。

【ライブラリ】

/*
  brownout.h - BrownOut 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>

class BrownOut
{
  public:

    typedef enum
    {
      VBOREF_1V95 = E_AHI_VBOREF_1V95, // 1.95V
      VBOREF_2V0  = E_AHI_VBOREF_2V0,  // 2.0V (default)
      VBOREF_2V1  = E_AHI_VBOREF_2V1,  // 2.1V
      VBOREF_2V2  = E_AHI_VBOREF_2V2,  // 2.2V
      VBOREF_2V3  = E_AHI_VBOREF_2V3,  // 2.3V
      VBOREF_2V4  = E_AHI_VBOREF_2V4,  // 2.4V
      VBOREF_2V7  = E_AHI_VBOREF_2V7,  // 2.7V
      VBOREF_3V0  = E_AHI_VBOREF_3V0,  // 3.0V
    } VBOREF;

    static
    void configure(VBOREF vboref, bool reset, bool svm, bool falling, bool rising)
    {
      vAHI_BrownOutConfigure(vboref, reset, svm, falling, rising);
    }

    static
    bool status(void)
    {
      return bAHI_BrownOutStatus();
    }

    static
    bool hasResetEvent(void)
    {
      return bAHI_BrownOutEventResetStatus();
    }

    typedef enum
    {
      STATUS_FEM = E_AHI_SYSCTRL_VFEM_MASK,
      STATUS_REM = E_AHI_SYSCTRL_VREM_MASK,
    } STATUS;

    static
    STATUS polling(void)
    {
      return (STATUS)u32AHI_BrownOutPoll();
    }
};

brownout.h - BrownOut 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>

class BrownOut

{

public:

typedef enum

{

VBOREF_1V95 = E_AHI_VBOREF_1V95, // 1.95V

VBOREF_2V0 = E_AHI_VBOREF_2V0, // 2.0V (default)

VBOREF_2V1 = E_AHI_VBOREF_2V1, // 2.1V

VBOREF_2V2 = E_AHI_VBOREF_2V2, // 2.2V

VBOREF_2V3 = E_AHI_VBOREF_2V3, // 2.3V

VBOREF_2V4 = E_AHI_VBOREF_2V4, // 2.4V

VBOREF_2V7 = E_AHI_VBOREF_2V7, // 2.7V

VBOREF_3V0 = E_AHI_VBOREF_3V0, // 3.0V

} VBOREF;

static

void configure(VBOREF vboref, bool reset, bool svm, bool falling, bool rising)

{

vAHI_BrownOutConfigure(vboref, reset, svm, falling, rising);

}

static

bool status(void)

{

return bAHI_BrownOutStatus();

}

static

bool hasResetEvent(void)

{

return bAHI_BrownOutEventResetStatus();

}

typedef enum

{

STATUS_FEM = E_AHI_SYSCTRL_VFEM_MASK,

STATUS_REM = E_AHI_SYSCTRL_VREM_MASK,

} STATUS;

static

STATUS polling(void)

{

return (STATUS)u32AHI_BrownOutPoll();

}

};

次回は、PulsCounterの予定。

投稿

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