357 lines
12 KiB
C
357 lines
12 KiB
C
/*
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* Copyright (c) 2018, Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef NRFX_GLUE_H__
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#define NRFX_GLUE_H__
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#include <sys/__assert.h>
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#include <sys/atomic.h>
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#include <irq.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup nrfx_glue nrfx_glue.h
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* @{
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* @ingroup nrfx
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*
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* @brief This file contains macros that should be implemented according to
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* the needs of the host environment into which @em nrfx is integrated.
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*/
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//------------------------------------------------------------------------------
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/**
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* @brief Macro for placing a runtime assertion.
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*
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* @param expression Expression to be evaluated.
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*/
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#ifndef NRFX_ASSERT
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#define NRFX_ASSERT(expression) __ASSERT_NO_MSG(expression)
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#endif
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/**
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* @brief Macro for placing a compile time assertion.
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*
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* @param expression Expression to be evaluated.
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*/
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#define NRFX_STATIC_ASSERT(expression) \
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BUILD_ASSERT(expression, "assertion failed")
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//------------------------------------------------------------------------------
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/**
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* @brief Macro for setting the priority of a specific IRQ.
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*
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* @param irq_number IRQ number.
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* @param priority Priority to be set.
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*/
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#define NRFX_IRQ_PRIORITY_SET(irq_number, priority) // Intentionally empty.
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// Priorities of IRQs are
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// set through IRQ_CONNECT.
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/**
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* @brief Macro for enabling a specific IRQ.
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*
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* @param irq_number IRQ number.
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*/
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#define NRFX_IRQ_ENABLE(irq_number) irq_enable(irq_number)
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/**
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* @brief Macro for checking if a specific IRQ is enabled.
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*
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* @param irq_number IRQ number.
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*
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* @retval true If the IRQ is enabled.
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* @retval false Otherwise.
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*/
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#define NRFX_IRQ_IS_ENABLED(irq_number) irq_is_enabled(irq_number)
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/**
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* @brief Macro for disabling a specific IRQ.
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*
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* @param irq_number IRQ number.
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*/
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#define NRFX_IRQ_DISABLE(irq_number) irq_disable(irq_number)
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/**
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* @brief Macro for setting a specific IRQ as pending.
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*
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* @param irq_number IRQ number.
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*/
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#define NRFX_IRQ_PENDING_SET(irq_number) NVIC_SetPendingIRQ(irq_number)
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/**
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* @brief Macro for clearing the pending status of a specific IRQ.
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*
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* @param irq_number IRQ number.
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*/
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#define NRFX_IRQ_PENDING_CLEAR(irq_number) NVIC_ClearPendingIRQ(irq_number)
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/**
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* @brief Macro for checking the pending status of a specific IRQ.
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*
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* @retval true If the IRQ is pending.
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* @retval false Otherwise.
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*/
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#define NRFX_IRQ_IS_PENDING(irq_number) (NVIC_GetPendingIRQ(irq_number) == 1)
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/** @brief Macro for entering into a critical section. */
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#define NRFX_CRITICAL_SECTION_ENTER() { unsigned int irq_lock_key = irq_lock();
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/** @brief Macro for exiting from a critical section. */
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#define NRFX_CRITICAL_SECTION_EXIT() irq_unlock(irq_lock_key); }
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//------------------------------------------------------------------------------
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/**
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* @brief When set to a non-zero value, this macro specifies that
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* @ref nrfx_coredep_delay_us uses a precise DWT-based solution.
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* A compilation error is generated if the DWT unit is not present
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* in the SoC used.
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*/
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#define NRFX_DELAY_DWT_BASED 0
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/**
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* @brief Macro for delaying the code execution for at least the specified time.
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*
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* @param us_time Number of microseconds to wait.
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*/
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#define NRFX_DELAY_US(us_time) nrfx_busy_wait(us_time)
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/* This is a k_busy_wait wrapper, added to avoid the inclusion of kernel.h */
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void nrfx_busy_wait(uint32_t usec_to_wait);
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//------------------------------------------------------------------------------
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/** @brief Atomic 32-bit unsigned type. */
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#define nrfx_atomic_t atomic_t
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/**
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* @brief Macro for storing a value to an atomic object and returning its previous value.
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*
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* @param[in] p_data Atomic memory pointer.
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* @param[in] value Value to store.
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*
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* @return Previous value of the atomic object.
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*/
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#define NRFX_ATOMIC_FETCH_STORE(p_data, value) atomic_set(p_data, value)
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/**
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* @brief Macro for running a bitwise OR operation on an atomic object and returning its previous value.
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*
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* @param[in] p_data Atomic memory pointer.
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* @param[in] value Value of the second operand in the OR operation.
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*
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* @return Previous value of the atomic object.
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*/
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#define NRFX_ATOMIC_FETCH_OR(p_data, value) atomic_or(p_data, value)
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/**
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* @brief Macro for running a bitwise AND operation on an atomic object
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* and returning its previous value.
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*
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* @param[in] p_data Atomic memory pointer.
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* @param[in] value Value of the second operand in the AND operation.
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*
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* @return Previous value of the atomic object.
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*/
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#define NRFX_ATOMIC_FETCH_AND(p_data, value) atomic_and(p_data, value)
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/**
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* @brief Macro for running a bitwise XOR operation on an atomic object
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* and returning its previous value.
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*
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* @param[in] p_data Atomic memory pointer.
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* @param[in] value Value of the second operand in the XOR operation.
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*
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* @return Previous value of the atomic object.
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*/
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#define NRFX_ATOMIC_FETCH_XOR(p_data, value) atomic_xor(p_data, value)
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/**
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* @brief Macro for running an addition operation on an atomic object
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* and returning its previous value.
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*
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* @param[in] p_data Atomic memory pointer.
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* @param[in] value Value of the second operand in the ADD operation.
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*
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* @return Previous value of the atomic object.
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*/
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#define NRFX_ATOMIC_FETCH_ADD(p_data, value) atomic_add(p_data, value)
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/**
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* @brief Macro for running a subtraction operation on an atomic object
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* and returning its previous value.
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*
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* @param[in] p_data Atomic memory pointer.
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* @param[in] value Value of the second operand in the SUB operation.
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*
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* @return Previous value of the atomic object.
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*/
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#define NRFX_ATOMIC_FETCH_SUB(p_data, value) atomic_sub(p_data, value)
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/**
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* @brief Macro for running compare and swap on an atomic object.
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*
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* Value is updated to the new value only if it previously equaled old value.
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*
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* @param[in,out] p_data Atomic memory pointer.
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* @param[in] old_value Expected old value.
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* @param[in] new_value New value.
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*
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* @retval true If value was updated.
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* @retval false If value was not updated because location was not equal to @p old_value.
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*/
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#define NRFX_ATOMIC_CAS(p_data, old_value, new_value) \
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atomic_cas(p_data, old_value, new_value)
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/**
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* @brief Macro for counting leading zeros.
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*
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* @param[in] value A word value.
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*
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* @return Number of leading 0-bits in @p value, starting at the most significant bit position.
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* If x is 0, the result is undefined.
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*/
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#define NRFX_CLZ(value) __builtin_clz(value)
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/**
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* @brief Macro for counting trailing zeros.
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*
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* @param[in] value A word value.
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*
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* @return Number of trailing 0-bits in @p value, starting at the least significant bit position.
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* If x is 0, the result is undefined.
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*/
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#define NRFX_CTZ(value) __builtin_ctz(value)
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//------------------------------------------------------------------------------
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/**
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* @brief When set to a non-zero value, this macro specifies that the
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* @ref nrfx_error_codes and the @ref nrfx_err_t type itself are defined
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* in a customized way and the default definitions from @c <nrfx_error.h>
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* should not be used.
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*/
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#define NRFX_CUSTOM_ERROR_CODES 0
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//------------------------------------------------------------------------------
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/**
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* @brief When set to a non-zero value, this macro specifies that inside HALs
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* the event registers are read back after clearing, on devices that
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* otherwise could defer the actual register modification.
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*/
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#define NRFX_EVENT_READBACK_ENABLED 1
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//------------------------------------------------------------------------------
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/** @brief Bitmask that defines DPPI channels that are reserved for use outside of the nrfx library. */
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#define NRFX_DPPI_CHANNELS_USED (NRFX_PPI_CHANNELS_USED_BY_BT_CTLR | \
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NRFX_PPI_CHANNELS_USED_BY_802154_DRV | \
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NRFX_PPI_CHANNELS_USED_BY_MPSL)
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/** @brief Bitmask that defines DPPI groups that are reserved for use outside of the nrfx library. */
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#define NRFX_DPPI_GROUPS_USED (NRFX_PPI_GROUPS_USED_BY_BT_CTLR | \
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NRFX_PPI_GROUPS_USED_BY_802154_DRV | \
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NRFX_PPI_GROUPS_USED_BY_MPSL)
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/** @brief Bitmask that defines PPI channels that are reserved for use outside of the nrfx library. */
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#define NRFX_PPI_CHANNELS_USED (NRFX_PPI_CHANNELS_USED_BY_BT_CTLR | \
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NRFX_PPI_CHANNELS_USED_BY_802154_DRV | \
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NRFX_PPI_CHANNELS_USED_BY_MPSL)
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/** @brief Bitmask that defines PPI groups that are reserved for use outside of the nrfx library. */
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#define NRFX_PPI_GROUPS_USED (NRFX_PPI_GROUPS_USED_BY_BT_CTLR | \
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NRFX_PPI_GROUPS_USED_BY_802154_DRV | \
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NRFX_PPI_GROUPS_USED_BY_MPSL)
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/** @brief Bitmask that defines GPIOTE channels that are reserved for use outside of the nrfx library. */
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#define NRFX_GPIOTE_CHANNELS_USED NRFX_GPIOTE_CHANNELS_USED_BY_BT_CTLR
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#if defined(CONFIG_BT_CTLR)
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#include <../subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio_nrf5_resources.h>
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#define NRFX_PPI_CHANNELS_USED_BY_BT_CTLR BT_CTLR_USED_PPI_CHANNELS
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#define NRFX_PPI_GROUPS_USED_BY_BT_CTLR BT_CTLR_USED_PPI_GROUPS
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#define NRFX_GPIOTE_CHANNELS_USED_BY_BT_CTLR BT_CTLR_USED_GPIOTE_CHANNELS
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#else
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#define NRFX_PPI_CHANNELS_USED_BY_BT_CTLR 0
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#define NRFX_PPI_GROUPS_USED_BY_BT_CTLR 0
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#define NRFX_GPIOTE_CHANNELS_USED_BY_BT_CTLR 0
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#endif
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#if defined(CONFIG_NRF_802154_RADIO_DRIVER)
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#if defined(NRF52_SERIES)
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#include <../src/nrf_802154_peripherals_nrf52.h>
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#define NRFX_PPI_CHANNELS_USED_BY_802154_DRV NRF_802154_PPI_CHANNELS_USED_MASK
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#define NRFX_PPI_GROUPS_USED_BY_802154_DRV NRF_802154_PPI_GROUPS_USED_MASK
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#elif defined(NRF53_SERIES)
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#include <../src/nrf_802154_peripherals_nrf53.h>
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#define NRFX_PPI_CHANNELS_USED_BY_802154_DRV NRF_802154_DPPI_CHANNELS_USED_MASK
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#define NRFX_PPI_GROUPS_USED_BY_802154_DRV NRF_802154_DPPI_GROUPS_USED_MASK
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#else
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#error Unsupported chip family
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#endif
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#else // CONFIG_NRF_802154_RADIO_DRIVER
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#define NRFX_PPI_CHANNELS_USED_BY_802154_DRV 0
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#define NRFX_PPI_GROUPS_USED_BY_802154_DRV 0
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#endif // CONFIG_NRF_802154_RADIO_DRIVER
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#if defined(CONFIG_NRF_802154_RADIO_DRIVER) && !defined(CONFIG_NRF_802154_SL_OPENSOURCE)
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#include <mpsl.h>
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#define NRFX_PPI_CHANNELS_USED_BY_MPSL MPSL_RESERVED_PPI_CHANNELS
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#define NRFX_PPI_GROUPS_USED_BY_MPSL 0
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#else
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#define NRFX_PPI_CHANNELS_USED_BY_MPSL 0
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#define NRFX_PPI_GROUPS_USED_BY_MPSL 0
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#endif
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#if NRF_802154_VERIFY_PERIPHS_ALLOC_AGAINST_MPSL
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BUILD_ASSERT(
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(NRFX_PPI_CHANNELS_USED_BY_802154_DRV & NRFX_PPI_CHANNELS_USED_BY_MPSL) == 0,
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"PPI channels used by the IEEE802.15.4 radio driver overlap with those "
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"assigned to the MPSL.");
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BUILD_ASSERT(
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(NRFX_PPI_GROUPS_USED_BY_802154_DRV & NRFX_PPI_GROUPS_USED_BY_MPSL) == 0,
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"PPI groups used by the IEEE802.15.4 radio driver overlap with those "
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"assigned to the MPSL.");
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#endif // NRF_802154_VERIFY_PERIPHS_ALLOC_AGAINST_MPSL
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/** @brief Bitmask that defines EGU instances that are reserved for use outside of the nrfx library. */
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#define NRFX_EGUS_USED 0
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/** @brief Bitmask that defines TIMER instances that are reserved for use outside of the nrfx library. */
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#define NRFX_TIMERS_USED 0
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//------------------------------------------------------------------------------
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/**
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* @brief Function helping to integrate nrfx IRQ handlers with IRQ_CONNECT.
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*
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* This function simply calls the nrfx IRQ handler supplied as the parameter.
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* It is intended to be used in the following way:
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* IRQ_CONNECT(IRQ_NUM, IRQ_PRI, nrfx_isr, nrfx_..._irq_handler, 0);
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*
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* @param[in] irq_handler Pointer to the nrfx IRQ handler to be called.
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*/
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void nrfx_isr(const void *irq_handler);
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#if defined(CONFIG_SOC_SERIES_BSIM_NRFXX)
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#include "nrfx_glue_bsim.h"
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#endif
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif // NRFX_GLUE_H__
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