172 lines
6.2 KiB
C
172 lines
6.2 KiB
C
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/**
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* Copyright (c) 2014 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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* @addtogroup ser_conn Connectivity application code
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* @ingroup ble_sdk_lib_serialization
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*/
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/** @file
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*
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* @defgroup ser_conn_handlers Events handlers in the Connectivity Chip
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* @{
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* @ingroup ser_conn
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*
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* @brief Events handlers used to process high level events in the connectivity application.
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*
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* @details This file contains functions: processing the HAL Transport layer events, processing BLE
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* SoftDevice events, starting processing received packets.
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*/
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#ifndef SER_CONN_HANDLERS_H__
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#define SER_CONN_HANDLERS_H__
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#include <stdint.h>
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#include "nordic_common.h"
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#include "app_util.h"
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#include "ser_hal_transport.h"
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#ifdef BLE_STACK_SUPPORT_REQD
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#include "ble.h"
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#include "nrf_sdh_ble.h"
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#endif // BLE_STACK_SUPPORT_REQD
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#ifdef ANT_STACK_SUPPORT_REQD
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#include "nrf_sdh_ant.h"
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#endif // ANT_STACK_SUPPORT_REQD
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Maximum number of events in the application scheduler queue. */
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#ifdef S112
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#define SER_CONN_SCHED_QUEUE_SIZE 8u
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#elif defined(SER_PHY_HCI_USB_CDC)
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#define SER_CONN_SCHED_QUEUE_SIZE 64u
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#else
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#define SER_CONN_SCHED_QUEUE_SIZE 16u
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#endif
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/** Maximum size of events data in the application scheduler queue aligned to 32 bits - this is
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* size of the buffers of the SoftDevice handler, which stores events pulled from the SoftDevice.
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*/
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#if defined(BLE_STACK_SUPPORT_REQD) && defined(ANT_STACK_SUPPORT_REQD)
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#define STACK_EVENT_MAX_SIZE MAX(NRF_SDH_BLE_EVT_BUF_SIZE, NRF_SDH_ANT_EVT_BUF_SIZE)
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#elif defined(BLE_STACK_SUPPORT_REQD)
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#define STACK_EVENT_MAX_SIZE NRF_SDH_BLE_EVT_BUF_SIZE
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#elif defined(ANT_STACK_SUPPORT_REQD)
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#define STACK_EVENT_MAX_SIZE NRF_SDH_ANT_EVT_BUF_SIZE
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#endif
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#define SER_CONN_SCHED_MAX_EVENT_DATA_SIZE ((CEIL_DIV(MAX(STACK_EVENT_MAX_SIZE, \
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sizeof(uint32_t)), \
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sizeof(uint32_t))) * \
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sizeof(uint32_t))
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/** @brief Prototype for function called when there is no free TX buffer and system is blocked */
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typedef void (*ser_conn_on_no_mem_t)(void);
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/**
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* @brief A function for setting handler which should be called when serialization
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* is blocked waiting for TX buffer.
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*
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* @param handler Handler to be called whenever serialization failed to allocate TX buffer
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*
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*/
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void ser_conn_on_no_mem_handler_set(ser_conn_on_no_mem_t handler);
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/**
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* @brief A function called when TX buffer allocation failed. Serialization is always allocating TX
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* buffer in main context expecting that it will be freed from interrupt context.
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*/
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void ser_conn_on_no_mem_handler(void);
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/**@brief A function for processing the HAL Transport layer events.
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*
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* @param[in] event HAL Transport layer event.
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*/
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void ser_conn_hal_transport_event_handle(ser_hal_transport_evt_t event);
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/**@brief A function to call the function to process a packet when it is fully received.
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*
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* @retval NRF_SUCCESS Operation success.
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* @retval NRF_ERROR_NULL Operation failure. NULL pointer supplied.
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* @retval NRF_ERROR_INTERNAL Operation failure. Internal error ocurred.
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*/
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uint32_t ser_conn_rx_process(void);
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#ifdef BLE_STACK_SUPPORT_REQD
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/**@brief Reset serialization state */
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void ser_conn_reset(void);
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/**@brief A function for processing BLE SoftDevice events.
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*
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* @details BLE events are put into application scheduler queue to be processed at a later time.
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*
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* @param[in] p_ble_evt A pointer to a BLE event.
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* @param[in] p_context A parameter to the handler. Not used.
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*/
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void ser_conn_ble_event_handle(ble_evt_t const * p_ble_evt, void * p_context);
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#endif // BLE_STACK_SUPPORT_REQD
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#ifdef ANT_STACK_SUPPORT_REQD
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/**@brief A function for processing ANT SoftDevice events.
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*
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* @details ANT events are put into application scheduler queue to be processed at a later time.
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*
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* @param[in] p_ant_evt A pointer to a BLE event.
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* @param[in] p_context A parameter to the handler. Not used.
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*/
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void ser_conn_ant_event_handle(ant_evt_t * p_ant_evt, void * p_context);
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#endif // ANT_STACK_SUPPORT_REQD
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#ifdef __cplusplus
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}
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#endif
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#endif /* SER_CONN_HANDLERS_H__ */
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/** @} */
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