owner-nrf52sdk/nRF5_SDK_15.2.0/integration/nrfx/nrfx_glue.h

/**
 * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
 *
 * 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, 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
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
 *
 */

#ifndef NRFX_GLUE_H__
#define NRFX_GLUE_H__

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @defgroup nrfx_glue nrfx_glue.h
 * @{
 * @ingroup nrfx
 *
 * @brief This file contains macros that should be implemented according to
 *        the needs of the host environment into which @em nrfx is integrated.
 */

#include <legacy/apply_old_config.h>

#include <soc/nrfx_irqs.h>

//------------------------------------------------------------------------------

#include <nrf_assert.h>
/**
 * @brief Macro for placing a runtime assertion.
 *
 * @param expression  Expression to evaluate.
 */
#define NRFX_ASSERT(expression)     ASSERT(expression)

#include <app_util.h>
/**
 * @brief Macro for placing a compile time assertion.
 *
 * @param expression  Expression to evaluate.
 */
#define NRFX_STATIC_ASSERT(expression)  STATIC_ASSERT(expression)

//------------------------------------------------------------------------------

#ifdef NRF51
#ifdef SOFTDEVICE_PRESENT
#define INTERRUPT_PRIORITY_IS_VALID(pri) (((pri) == 1) || ((pri) == 3))
#else
#define INTERRUPT_PRIORITY_IS_VALID(pri) ((pri) < 4)
#endif //SOFTDEVICE_PRESENT
#else
#ifdef SOFTDEVICE_PRESENT
#define INTERRUPT_PRIORITY_IS_VALID(pri) ((((pri) > 1) && ((pri) < 4)) || \
                                          (((pri) > 4) && ((pri) < 8)))
#else
#define INTERRUPT_PRIORITY_IS_VALID(pri) ((pri) < 8)
#endif //SOFTDEVICE_PRESENT
#endif //NRF52

/**
 * @brief Macro for setting the priority of a specific IRQ.
 *
 * @param irq_number  IRQ number.
 * @param priority    Priority to set.
 */
#define NRFX_IRQ_PRIORITY_SET(irq_number, priority) \
    _NRFX_IRQ_PRIORITY_SET(irq_number, priority)
static inline void _NRFX_IRQ_PRIORITY_SET(IRQn_Type irq_number,
                                          uint8_t   priority)
{
    ASSERT(INTERRUPT_PRIORITY_IS_VALID(priority));
    NVIC_SetPriority(irq_number, priority);
}

/**
 * @brief Macro for enabling a specific IRQ.
 *
 * @param irq_number  IRQ number.
 */
#define NRFX_IRQ_ENABLE(irq_number)  _NRFX_IRQ_ENABLE(irq_number)
static inline void _NRFX_IRQ_ENABLE(IRQn_Type irq_number)
{
    NVIC_ClearPendingIRQ(irq_number);
    NVIC_EnableIRQ(irq_number);
}

/**
 * @brief Macro for checking if a specific IRQ is enabled.
 *
 * @param irq_number  IRQ number.
 *
 * @retval true  If the IRQ is enabled.
 * @retval false Otherwise.
 */
#define NRFX_IRQ_IS_ENABLED(irq_number)  _NRFX_IRQ_IS_ENABLED(irq_number)
static inline bool _NRFX_IRQ_IS_ENABLED(IRQn_Type irq_number)
{
    return 0 != (NVIC->ISER[irq_number / 32] & (1UL << (irq_number % 32)));
}

/**
 * @brief Macro for disabling a specific IRQ.
 *
 * @param irq_number  IRQ number.
 */
#define NRFX_IRQ_DISABLE(irq_number)  _NRFX_IRQ_DISABLE(irq_number)
static inline void _NRFX_IRQ_DISABLE(IRQn_Type irq_number)
{
    NVIC_DisableIRQ(irq_number);
}

/**
 * @brief Macro for setting a specific IRQ as pending.
 *
 * @param irq_number  IRQ number.
 */
#define NRFX_IRQ_PENDING_SET(irq_number) _NRFX_IRQ_PENDING_SET(irq_number)
static inline void _NRFX_IRQ_PENDING_SET(IRQn_Type irq_number)
{
    NVIC_SetPendingIRQ(irq_number);
}

/**
 * @brief Macro for clearing the pending status of a specific IRQ.
 *
 * @param irq_number  IRQ number.
 */
#define NRFX_IRQ_PENDING_CLEAR(irq_number) _NRFX_IRQ_PENDING_CLEAR(irq_number)
static inline void _NRFX_IRQ_PENDING_CLEAR(IRQn_Type irq_number)
{
    NVIC_ClearPendingIRQ(irq_number);
}

/**
 * @brief Macro for checking the pending status of a specific IRQ.
 *
 * @retval true  If the IRQ is pending.
 * @retval false Otherwise.
 */
#define NRFX_IRQ_IS_PENDING(irq_number) _NRFX_IRQ_IS_PENDING(irq_number)
static inline bool _NRFX_IRQ_IS_PENDING(IRQn_Type irq_number)
{
    return (NVIC_GetPendingIRQ(irq_number) == 1);
}

#include <nordic_common.h>
#include <app_util_platform.h>
/**
 * @brief Macro for entering into a critical section.
 */
#define NRFX_CRITICAL_SECTION_ENTER()   CRITICAL_REGION_ENTER()

/**
 * @brief Macro for exiting from a critical section.
 */
#define NRFX_CRITICAL_SECTION_EXIT()    CRITICAL_REGION_EXIT()

//------------------------------------------------------------------------------

/**
 * @brief When set to a non-zero value, this macro specifies that
 *        @ref nrfx_coredep_delay_us uses a precise DWT-based solution.
 *        A compilation error is generated if the DWT unit is not present
 *        in the SoC used.
 */
#define NRFX_DELAY_DWT_BASED 0

#include <soc/nrfx_coredep.h>

#define NRFX_DELAY_US(us_time) nrfx_coredep_delay_us(us_time)

//------------------------------------------------------------------------------

#include <sdk_errors.h>
/**
 * @brief When set to a non-zero value, this macro specifies that the
 *        @ref nrfx_error_codes and the @ref ret_code_t type itself are defined
 *        in a customized way and the default definitions from @c <nrfx_error.h>
 *        should not be used.
 */
#define NRFX_CUSTOM_ERROR_CODES 1

typedef ret_code_t nrfx_err_t;

#define NRFX_SUCCESS                    NRF_SUCCESS
#define NRFX_ERROR_INTERNAL             NRF_ERROR_INTERNAL
#define NRFX_ERROR_NO_MEM               NRF_ERROR_NO_MEM
#define NRFX_ERROR_NOT_SUPPORTED        NRF_ERROR_NOT_SUPPORTED
#define NRFX_ERROR_INVALID_PARAM        NRF_ERROR_INVALID_PARAM
#define NRFX_ERROR_INVALID_STATE        NRF_ERROR_INVALID_STATE
#define NRFX_ERROR_INVALID_LENGTH       NRF_ERROR_INVALID_LENGTH
#define NRFX_ERROR_TIMEOUT              NRF_ERROR_TIMEOUT
#define NRFX_ERROR_FORBIDDEN            NRF_ERROR_FORBIDDEN
#define NRFX_ERROR_NULL                 NRF_ERROR_NULL
#define NRFX_ERROR_INVALID_ADDR         NRF_ERROR_INVALID_ADDR
#define NRFX_ERROR_BUSY                 NRF_ERROR_BUSY
#define NRFX_ERROR_ALREADY_INITIALIZED  NRF_ERROR_MODULE_ALREADY_INITIALIZED

#define NRFX_ERROR_DRV_TWI_ERR_OVERRUN  NRF_ERROR_DRV_TWI_ERR_OVERRUN
#define NRFX_ERROR_DRV_TWI_ERR_ANACK    NRF_ERROR_DRV_TWI_ERR_ANACK
#define NRFX_ERROR_DRV_TWI_ERR_DNACK    NRF_ERROR_DRV_TWI_ERR_DNACK

//------------------------------------------------------------------------------

#include <sdk_resources.h>
/**
 * @brief Bitmask defining PPI channels reserved to be used outside of nrfx.
 */
#define NRFX_PPI_CHANNELS_USED  NRF_PPI_CHANNELS_USED

/**
 * @brief Bitmask defining PPI groups reserved to be used outside of nrfx.
 */
#define NRFX_PPI_GROUPS_USED    NRF_PPI_GROUPS_USED

/**
 * @brief Bitmask defining SWI instances reserved to be used outside of nrfx.
 */
#define NRFX_SWI_USED           NRF_SWI_USED

/**
 * @brief Bitmask defining TIMER instances reserved to be used outside of nrfx.
 */
#define NRFX_TIMERS_USED        NRF_TIMERS_USED

/** @} */

#ifdef __cplusplus
}
#endif

#endif // NRFX_GLUE_H__