hal_nordic/nrfx/drivers/include/nrfx_ipc.h

250 lines
8.2 KiB
C

/*
* Copyright (c) 2019 - 2022, Nordic Semiconductor ASA
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
* 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_IPC_H__
#define NRFX_IPC_H__
#include <nrfx.h>
#include <hal/nrf_ipc.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup nrfx_ipc IPC driver
* @{
* @ingroup nrf_ipc
* @brief Interprocessor Communication (IPC) peripheral driver.
*/
#if NRFX_CHECK(NRFX_CONFIG_API_VER_2_10) || defined(__NRFX_DOXYGEN__)
/**
* @brief IPC driver handler type.
*
* @param[in] event_idx IPC event index.
* @param[in] p_context Context passed to the interrupt handler, set on initialization.
*/
typedef void (*nrfx_ipc_handler_t)(uint8_t event_idx, void * p_context);
#elif NRFX_CHECK(NRFX_CONFIG_API_VER_2_9)
/**
* @brief IPC driver handler type.
*
* @note This function is deprecated. Use @ref NRFX_CONFIG_API_VER_2_10 variant instead.
*
* @param[in] event_mask Bitmask with events that triggered the interrupt.
* @param[in] p_context Context passed to the interrupt handler, set on initialization.
*/
typedef void (*nrfx_ipc_handler_t)(uint32_t event_mask, void * p_context);
#endif
/** @brief IPC configuration structure. */
typedef struct
{
uint32_t send_task_config[IPC_CONF_NUM]; ///< Configuration of the connection between signals and IPC channels.
uint32_t receive_event_config[IPC_CONF_NUM]; ///< Configuration of the connection between events and IPC channels.
uint32_t receive_events_enabled; ///< Bitmask with events to be enabled to generate interrupt.
} nrfx_ipc_config_t;
/**
* @brief Function for initializing the IPC driver.
*
* @param irq_priority Interrupt priority.
* @param handler Event handler provided by the user.
* @param p_context Context passed to event handler.
*
* @retval NRFX_SUCCESS Initialization was successful.
* @retval NRFX_ERROR_INVALID_STATE Driver is already initialized.
*/
nrfx_err_t nrfx_ipc_init(uint8_t irq_priority, nrfx_ipc_handler_t handler, void * p_context);
/**
* @brief Function for loading configuration directly into IPC peripheral.
*
* @param p_config Pointer to the structure with the initial configuration.
*/
void nrfx_ipc_config_load(nrfx_ipc_config_t const * p_config);
/**
* @brief Function for convey signal on configured channels.
*
* Events connected to the IPC channels configured within this signal will
* be set and can generate interrupts when configured.
*
* @param send_index Index of the SEND task to trigger.
*/
NRFX_STATIC_INLINE void nrfx_ipc_signal(uint8_t send_index);
/**
* @brief Function for storing data in the general purpose memory register.
*
* @param mem_index Index of the memory cell.
* @param data Data to be saved.
*/
NRFX_STATIC_INLINE void nrfx_ipc_gpmem_set(uint8_t mem_index, uint32_t data);
#if NRFX_CHECK(NRFX_CONFIG_API_VER_2_10) || defined(__NRFX_DOXYGEN__)
/**
* @brief Function for getting data from the general purpose memory register.
*
* @param mem_index Index of the memory cell.
*
* @return Saved data.
*/
NRFX_STATIC_INLINE uint32_t nrfx_ipc_gpmem_get(uint8_t mem_index);
#elif NRFX_CHECK(NRFX_CONFIG_API_VER_2_9)
/**
* @brief Function for getting data from the GPMEM register in the IPC peripheral.
*
* @note This function is deprecated. Use @ref nrfx_ipc_gpmem_get instead.
*
* @param mem_index Index of the memory cell.
*
* @return Saved data.
*/
NRFX_STATIC_INLINE uint32_t nrfx_ipc_mem_get(uint8_t mem_index);
#endif
/** @brief Function for uninitializing the IPC module. */
void nrfx_ipc_uninit(void);
/**
* @brief Function for enabling events to generate interrupt.
*
* @param event_index Index of event to be enabled.
*/
void nrfx_ipc_receive_event_enable(uint8_t event_index);
/**
* @brief Function for disabling events from generate interrupt.
*
* @param event_index Index of event to be disabled.
*/
void nrfx_ipc_receive_event_disable(uint8_t event_index);
/**
* @brief Function for enabling set of events to generate interrupt.
*
* @param event_bitmask Bitmask with events to be enabled.
*/
void nrfx_ipc_receive_event_group_enable(uint32_t event_bitmask);
/**
* @brief Function for disabling set of events from generate interrupt.
*
* @param event_bitmask Bitmask with events to be disabled.
*/
void nrfx_ipc_receive_event_group_disable(uint32_t event_bitmask);
/**
* @brief Function for assigning event to the IPC channel.
*
* @param event_index Index of the event to be configured.
* @param channel_index Index of the channel to which event will be connected.
*/
void nrfx_ipc_receive_event_channel_assign(uint8_t event_index, uint8_t channel_index);
/**
* @brief Function for assigning signal to the IPC channel.
*
* @param send_index Index of the signal to be configured.
* @param channel_index Index of the instance of channel.
*/
void nrfx_ipc_send_task_channel_assign(uint8_t send_index, uint8_t channel_index);
/**
* @brief Function for assigning event to the IPC channels.
*
* @param event_index Index of the event to be configured.
* @param channel_bitmask Bitmask with channels to which event will be connected.
*/
NRFX_STATIC_INLINE void nrfx_ipc_receive_config_set(uint8_t event_index, uint32_t channel_bitmask);
/**
* @brief Function for assigning signal to the IPC channels.
*
* @param send_index Index of the signal to be configured.
* @param channel_bitmask Bitmask with channels to which signal will be connected.
*/
NRFX_STATIC_INLINE void nrfx_ipc_send_config_set(uint8_t send_index, uint32_t channel_bitmask);
/** @} */
#ifndef NRFX_DECLARE_ONLY
NRFX_STATIC_INLINE void nrfx_ipc_gpmem_set(uint8_t mem_index, uint32_t data)
{
NRFX_ASSERT(mem_index < NRFX_ARRAY_SIZE(NRF_IPC->GPMEM));
nrf_ipc_gpmem_set(NRF_IPC, mem_index, data);
}
#if NRFX_CHECK(NRFX_CONFIG_API_VER_2_10)
NRFX_STATIC_INLINE uint32_t nrfx_ipc_gpmem_get(uint8_t mem_index)
#elif NRFX_CHECK(NRFX_CONFIG_API_VER_2_9)
NRFX_STATIC_INLINE uint32_t nrfx_ipc_mem_get(uint8_t mem_index)
#endif
{
NRFX_ASSERT(mem_index < NRFX_ARRAY_SIZE(NRF_IPC->GPMEM));
return nrf_ipc_gpmem_get(NRF_IPC, mem_index);
}
NRFX_STATIC_INLINE void nrfx_ipc_signal(uint8_t send_index)
{
NRFX_ASSERT(send_index < IPC_CONF_NUM);
nrf_ipc_task_trigger(NRF_IPC, nrf_ipc_send_task_get(send_index));
}
NRFX_STATIC_INLINE void nrfx_ipc_receive_config_set(uint8_t event_index, uint32_t channel_bitmask)
{
NRFX_ASSERT(event_index < IPC_CONF_NUM);
nrf_ipc_receive_config_set(NRF_IPC, event_index, channel_bitmask);
}
NRFX_STATIC_INLINE void nrfx_ipc_send_config_set(uint8_t send_index, uint32_t channel_bitmask)
{
NRFX_ASSERT(send_index < IPC_CONF_NUM);
nrf_ipc_send_config_set(NRF_IPC, send_index, channel_bitmask);
}
#endif // NRFX_DECLARE_ONLY
void nrfx_ipc_irq_handler(void);
#ifdef __cplusplus
}
#endif
#endif // NRFX_IPC_H__