zephyr/ext/hal/nordic/nrfx_glue.h

217 lines
6.7 KiB
C

/**
* 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 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.
*/
#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 <assert.h>
/**
* @brief Macro for placing a runtime assertion.
*
* @param expression Expression to evaluate.
*/
#define NRFX_ASSERT(expression) assert(expression)
/**
* @brief Macro for placing a compile time assertion.
*
* @param expression Expression to evaluate.
*/
#define NRFX_STATIC_ASSERT(expression) static_assert(expression)
//------------------------------------------------------------------------------
#include <irq.h>
/**
* @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) // Intentionally empty.
// Priorities of IRQs are
// set through IRQ_CONNECT.
/**
* @brief Macro for enabling a specific IRQ.
*
* @param irq_number IRQ number.
*/
#define NRFX_IRQ_ENABLE(irq_number) irq_enable(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) irq_is_enabled(irq_number)
/**
* @brief Macro for disabling a specific IRQ.
*
* @param irq_number IRQ number.
*/
#define NRFX_IRQ_DISABLE(irq_number) irq_disable(irq_number)
/**
* @brief Macro for setting a specific IRQ as pending.
*
* @param irq_number IRQ number.
*/
#define NRFX_IRQ_PENDING_SET(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) 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) (NVIC_GetPendingIRQ(irq_number) == 1)
/**
* @brief Macro for entering into a critical section.
*/
#define NRFX_CRITICAL_SECTION_ENTER() { unsigned int irq_lock_key = irq_lock();
/**
* @brief Macro for exiting from a critical section.
*/
#define NRFX_CRITICAL_SECTION_EXIT() irq_unlock(irq_lock_key); }
//------------------------------------------------------------------------------
#include <kernel.h>
/**
* @brief Macro for delaying the code execution for at least the specified time.
*
* @param us_time Number of microseconds to wait.
*/
#define NRFX_DELAY_US(us_time) k_busy_wait(us_time)
//------------------------------------------------------------------------------
/**
* @brief When set to a non-zero value, this macro specifies that the
* @ref nrfx_error_codes and the @ref nrfx_err_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 0
//------------------------------------------------------------------------------
/**
* @brief Bitmask defining PPI channels reserved to be used outside of nrfx.
*/
#define NRFX_PPI_CHANNELS_USED 0
/**
* @brief Bitmask defining PPI groups reserved to be used outside of nrfx.
*/
#define NRFX_PPI_GROUPS_USED 0
/**
* @brief Bitmask defining SWI instances reserved to be used outside of nrfx.
*/
#define NRFX_SWI_USED 0
/**
* @brief Bitmask defining TIMER instances reserved to be used outside of nrfx.
*/
#define NRFX_TIMERS_USED 0
//------------------------------------------------------------------------------
/**
* @brief Macro for getting the interrupt number assigned to a specific
* peripheral.
*
* In Nordic SoCs the IRQ number assigned to a peripheral is equal to the ID
* of this peripheral, and there is a direct relationship between this ID and
* the peripheral base address, i.e. the address of a fixed block of 0x1000
* bytes of address space assigned to this peripheral.
* See the chapter "Peripheral interface" (sections "Peripheral ID" and
* "Interrupts") in the product specification of a given SoC.
*
* @param[in] base_addr Peripheral base address.
*
* @return Interrupt number associated with the specified peripheral.
*/
/* TODO - this macro should become a part of <nrfx_common.h> */
#define NRFX_IRQ_NUMBER_GET(base_addr) (uint8_t)((uint32_t)(base_addr) >> 12)
/**
* @brief Function helping to integrate nrfx IRQ handlers with IRQ_CONNECT.
*
* This function simply calls the nrfx IRQ handler supplied as the parameter.
* It is intended to be used in the following way:
* IRQ_CONNECT(IRQ_NUM, IRQ_PRI, nrfx_isr, nrfx_..._irq_handler, 0);
*
* @param[in] irq_handler Pointer to the nrfx IRQ handler to be called.
*/
void nrfx_isr(void *irq_handler);
/** @} */
#ifdef __cplusplus
}
#endif
#endif // NRFX_GLUE_H__