examples/platforms/k32w/src/system.c

/*
 *  Copyright (c) 2019, The OpenThread Authors.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file
 *   This file includes the platform-specific initializers.
 *
 */
#include "board.h"
#include "clock_config.h"
#include "pin_mux.h"
#include "platform-k32w.h"

#include <stdbool.h>
#include <stdint.h>

#include "MemManager.h"

otInstance *          sInstance;
OT_TOOL_WEAK uint32_t gInterruptDisableCount = 0;

void otSysInit(int argc, char *argv[])
{
    bool bHwInit = true;

    if ((argc == 1) && (!strcmp(argv[0], "app")))
    {
        bHwInit = false;
    }

    if (bHwInit)
    {
        /* Security code to allow debug access */
        SYSCON->CODESECURITYPROT = 0x87654320;

        BOARD_BootClockRUN();
        BOARD_InitPins();
        MEM_Init();
    }

    K32WAlarmInit();
    K32WRandomInit();
    K32WRadioInit();
}

bool otSysPseudoResetWasRequested(void)
{
    /* TODO */
    return false;
}

void otSysDeinit(void)
{
    /* TODO */
}

void otSysProcessDrivers(otInstance *aInstance)
{
    K32WRadioProcess(aInstance);
    K32WUartProcess();
    K32WAlarmProcess(aInstance);
}

WEAK void otSysEventSignalPending(void)
{
    /* Intentionally left empty */
}

/*FUNCTION**********************************************************************
 *
 * Function Name : OSA_InterruptEnable
 * Description   : self explanatory.
 *
 *END**************************************************************************/
OT_TOOL_WEAK void OSA_InterruptEnable(void)
{
    if (gInterruptDisableCount > 0)
    {
        gInterruptDisableCount--;

        if (gInterruptDisableCount == 0)
        {
            __enable_irq();
        }
        /* call core API to enable the global interrupt*/
    }
}

/*FUNCTION**********************************************************************
 *
 * Function Name : OSA_InterruptDisable
 * Description   : self explanatory.
 *
 *END**************************************************************************/
OT_TOOL_WEAK void OSA_InterruptDisable(void)
{
    /* call core API to disable the global interrupt*/
    __disable_irq();

    /* update counter*/
    gInterruptDisableCount++;
}