/**
 * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA
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 * are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, 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 Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
 *
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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 */

#include "nrf_drv_ppi.h"

static nrfx_drv_state_t m_drv_state;          /**< Driver state */

ret_code_t nrf_drv_ppi_init(void)
{
    if (m_drv_state == NRFX_DRV_STATE_UNINITIALIZED)
    {
        m_drv_state = NRFX_DRV_STATE_INITIALIZED;
    }
    else
    {
        return NRF_ERROR_MODULE_ALREADY_INITIALIZED;
    }
    return NRF_SUCCESS;
}

ret_code_t nrf_drv_ppi_uninit(void)
{
    if (m_drv_state == NRFX_DRV_STATE_UNINITIALIZED)
    {
        return NRF_ERROR_INVALID_STATE;
    }

    m_drv_state = NRFX_DRV_STATE_UNINITIALIZED;
    nrfx_ppi_free_all();
    return NRF_SUCCESS;
}