2022年4月 – ページ 9

パルスカウンターは32bitでパルスをカウントしリファレンスカウントに到達したときに割り込みやウェイクアップを行うことができる。２つのカウンタを連結し64bitのパルスカウンターとして使うことも可能。

【ライブラリ】

/*
  pulscounter.h - Puls Counter 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"

/*
   I/O Ports

      Pulse Counter 0: DIO1/DIO4
      Pulse Counter 1: DIO8/DIO5
 */

class PulsCounter
{
  public:

    typedef enum
    {
      COUNTER_0 = E_AHI_PC_0, // Pulse Counter 0 or combined counter
      COUNTER_1 = E_AHI_PC_1, // Pulse Counter 1
    } COUNTER;

    typedef enum
    {
      SAMPLES_0 = 0, // No debounce (maximum input frequency of 100kHz)
      SAMPLES_2 = 2, // 2 samples (maximum input frequency of 3.7kHz)
      SAMPLES_4 = 4, // 4 samples (maximum input frequency of 2.2kHz)
      SAMPLES_8 = 8, // 8 samples (maximum input frequency of 1.2kHz)
    } SAMPLES;

    typedef enum
    {
      COMBINE_OFF = E_AHI_PC_COMBINE_OFF, // 0 - Pulse counters not combined
      COMBINE_ON0 = E_AHI_PC_COMBINE_ON0, // 1 - Counters combined using PC0 input
      COMBINE_ON1 = E_AHI_PC_COMBINE_ON1, // 2 - Counters combined using PC1 input
    } COMBINE;

    static
    bool configure(COUNTER counter, bool falling, SAMPLES samples = SAMPLES_0, COMBINE combine = COMBINE_OFF, PR_HWINT_APPCALLBACK prPcCallback = 0)
    {
      switch (counter)
      {
        case COUNTER_0: SysCtrl::interrupt(SysCtrl::INTSRC_PC0, prPcCallback); break;
        case COUNTER_1: SysCtrl::interrupt(SysCtrl::INTSRC_PC1, prPcCallback); break;
      }
      return bAHI_PulseCounterConfigure(counter, falling, samples, combine, prPcCallback != 0);
    }

    static
    void location(COUNTER counter, bool location)
    {
      // location:
      //   TRUE  - DIO4 (Pulse Counter 0) or DIO5 (Pulse Counter 1)
      //   FALSE - DIO1 (Pulse Counter 0) or DIO8 (Pulse Counter 1)
      vAHI_PulseCounterSetLocation(counter, location);
    }

    static
    bool reference(COUNTER counter, uint32 count)
    {
      return bAHI_SetPulseCounterRef(counter, count);
    }

    static
    bool start(COUNTER counter)
    {
      return bAHI_StartPulseCounter(counter);
    }

    static
    bool stop(COUNTER counter)
    {
      return bAHI_StopPulseCounter(counter);
    }

    static
    bool status(COUNTER counter)
    {
      switch (counter)
      {
        case COUNTER_0: return u32AHI_PulseCounterStatus() & E_AHI_SYSCTRL_PC0_MASK;
        case COUNTER_1: return u32AHI_PulseCounterStatus() & E_AHI_SYSCTRL_PC1_MASK;
      }
      return false;
    }
};

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pulscounter.h - Puls Counter 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"

I/O Ports

Pulse Counter 0: DIO1/DIO4

Pulse Counter 1: DIO8/DIO5

class PulsCounter

{

public:

typedef enum

{

COUNTER_0 = E_AHI_PC_0, // Pulse Counter 0 or combined counter

COUNTER_1 = E_AHI_PC_1, // Pulse Counter 1

} COUNTER;

typedef enum

{

SAMPLES_0 = 0, // No debounce (maximum input frequency of 100kHz)

SAMPLES_2 = 2, // 2 samples (maximum input frequency of 3.7kHz)

SAMPLES_4 = 4, // 4 samples (maximum input frequency of 2.2kHz)

SAMPLES_8 = 8, // 8 samples (maximum input frequency of 1.2kHz)

} SAMPLES;

typedef enum

{

COMBINE_OFF = E_AHI_PC_COMBINE_OFF, // 0 - Pulse counters not combined

COMBINE_ON0 = E_AHI_PC_COMBINE_ON0, // 1 - Counters combined using PC0 input

COMBINE_ON1 = E_AHI_PC_COMBINE_ON1, // 2 - Counters combined using PC1 input

} COMBINE;

static

bool configure(COUNTER counter, bool falling, SAMPLES samples = SAMPLES_0, COMBINE combine = COMBINE_OFF, PR_HWINT_APPCALLBACK prPcCallback = 0)

{

switch (counter)

{

case COUNTER_0: SysCtrl::interrupt(SysCtrl::INTSRC_PC0, prPcCallback); break;

case COUNTER_1: SysCtrl::interrupt(SysCtrl::INTSRC_PC1, prPcCallback); break;

}

return bAHI_PulseCounterConfigure(counter, falling, samples, combine, prPcCallback != 0);

}

static

void location(COUNTER counter, bool location)

{

// location:

// TRUE - DIO4 (Pulse Counter 0) or DIO5 (Pulse Counter 1)

// FALSE - DIO1 (Pulse Counter 0) or DIO8 (Pulse Counter 1)

vAHI_PulseCounterSetLocation(counter, location);

}

static

bool reference(COUNTER counter, uint32 count)

{

return bAHI_SetPulseCounterRef(counter, count);

}

static

bool start(COUNTER counter)

{

return bAHI_StartPulseCounter(counter);

}

static

bool stop(COUNTER counter)

{

return bAHI_StopPulseCounter(counter);

}

static

bool status(COUNTER counter)

{

switch (counter)

{

case COUNTER_0: return u32AHI_PulseCounterStatus() & E_AHI_SYSCTRL_PC0_MASK;

case COUNTER_1: return u32AHI_PulseCounterStatus() & E_AHI_SYSCTRL_PC1_MASK;

}

return false;

}

};

次回は、Infraredの予定。

月: 2022年4月

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