2022年4月 – ページ 8

赤外線リモコン用のパルス出力を行うことができる。正確な波形を出力することができるのは良いがリモコンのパルスフォーマット仕様をしらないと使えないのは当たり前としても32bit単位のビットデータを作るのも少し面倒に感じる。

【ライブラリ】

/*
  infrared.h - Infra-Red Transmitter 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>

/*
   I/O Ports

   Output: DIO12/DIO6
*/

#ifndef IR_DEFAULT_FSC
#define IR_DEFAULT_FSC FSC_38KHZ
#endif

class InfraRedTransmitter
{
  public:

    typedef enum
    {
      FSC_33KHZ = 33000,
      FSC_34KHZ = 34000,
      FSC_35KHZ = 35000,
      FSC_36KHZ = 36000,
      FSC_37KHZ = 37000,
      FSC_38KHZ = 38000,
      FSC_39KHZ = 39000,
      FSC_40KHZ = 40000,
    } FSC;

    typedef enum
    {
      PIN_DIO12 = 0,
      PIN_DIO6  = 1,
      PIN_DO0   = 2,
    } PIN;

    static
    bool begin(PIN pin = PIN_DIO12, bool bInvertOutput = false, uint16 period = 500, FSC fsc = FSC_38KHZ, PR_HWINT_APPCALLBACK prInfraredCallback = 0)
    {
      if (prInfraredCallback)
        vAHI_InfraredRegisterCallback(prInfraredCallback);
      Timer::location(Timer::TIMER_2, pin & 1, pin & 2);
      Timer::DIOControl(Timer::TIMER_2, true);
      uint16 u16Lo = F_PCK / fsc;
      return bAHI_InfraredEnable(0, (uint32)u16Lo * 7 / 10, u16Lo, period * (F_PCK / 1000000) / u16Lo, bInvertOutput, prInfraredCallback != 0);
    }

    static
    void end(void)
    {
      vAHI_InfraredDisable();
    }

    static
    bool start(uint32 *pu32BufferAddress, uint16 u16TransmissionLengthInBits)
    {
      return bAHI_InfraredStart(pu32BufferAddress, u16TransmissionLengthInBits);
    }

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

infrared.h - Infra-Red Transmitter 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>

I/O Ports

Output: DIO12/DIO6

#ifndef IR_DEFAULT_FSC

#define IR_DEFAULT_FSC FSC_38KHZ

#endif

class InfraRedTransmitter

{

public:

typedef enum

{

FSC_33KHZ = 33000,

FSC_34KHZ = 34000,

FSC_35KHZ = 35000,

FSC_36KHZ = 36000,

FSC_37KHZ = 37000,

FSC_38KHZ = 38000,

FSC_39KHZ = 39000,

FSC_40KHZ = 40000,

} FSC;

typedef enum

{

PIN_DIO12 = 0,

PIN_DIO6 = 1,

PIN_DO0 = 2,

} PIN;

static

bool begin(PIN pin = PIN_DIO12, bool bInvertOutput = false, uint16 period = 500, FSC fsc = FSC_38KHZ, PR_HWINT_APPCALLBACK prInfraredCallback = 0)

{

if (prInfraredCallback)

vAHI_InfraredRegisterCallback(prInfraredCallback);

Timer::location(Timer::TIMER_2, pin & 1, pin & 2);

Timer::DIOControl(Timer::TIMER_2, true);

uint16 u16Lo = F_PCK / fsc;

return bAHI_InfraredEnable(0, (uint32)u16Lo * 7 / 10, u16Lo, period * (F_PCK / 1000000) / u16Lo, bInvertOutput, prInfraredCallback != 0);

}

static

void end(void)

{

vAHI_InfraredDisable();

}

static

bool start(uint32 *pu32BufferAddress, uint16 u16TransmissionLengthInBits)

{

return bAHI_InfraredStart(pu32BufferAddress, u16TransmissionLengthInBits);

}

static

bool status(void)

{

return bAHI_InfraredStatus();

}

};

次回は、Random Generatorの予定。

月: 2022年4月

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