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TARGET_VBLUNO51/TOOLCHAIN_ARM_STD/nrf_ble_l2cap.h
- Committer:
- AnnaBridge
- Date:
- 2018-11-08
- Revision:
- 171:3a7713b1edbc
- Parent:
- TARGET_NRF51_DONGLE/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF51/TARGET_MCU_NRF51822_UNIFIED/sdk/softdevice/s130/headers/nrf_ble_l2cap.h@ 169:a7c7b631e539
File content as of revision 171:3a7713b1edbc:
/* * Copyright (c) 2000 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 or object form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * 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. * */ /** @addtogroup BLE_L2CAP Logical Link Control and Adaptation Protocol (L2CAP) @{ @brief Definitions and prototypes for the L2CAP interface. */ #ifndef NRF_BLE_L2CAP_H__ #define NRF_BLE_L2CAP_H__ #include "nrf_ble_types.h" #include "nrf_ble_ranges.h" #include "nrf_ble_err.h" #include "nrf_svc.h" #ifdef __cplusplus extern "C" { #endif /**@addtogroup BLE_L2CAP_ENUMERATIONS Enumerations * @{ */ /**@brief L2CAP API SVC numbers. */ enum BLE_L2CAP_SVCS { SD_BLE_L2CAP_CID_REGISTER = BLE_L2CAP_SVC_BASE, /**< Register a CID. */ SD_BLE_L2CAP_CID_UNREGISTER, /**< Unregister a CID. */ SD_BLE_L2CAP_TX /**< Transmit a packet. */ }; /**@brief L2CAP Event IDs. */ enum BLE_L2CAP_EVTS { BLE_L2CAP_EVT_RX = BLE_L2CAP_EVT_BASE /**< L2CAP packet received. */ }; /** @} */ /**@addtogroup BLE_L2CAP_DEFINES Defines * @{ */ /**@defgroup BLE_ERRORS_L2CAP SVC return values specific to L2CAP * @{ */ #define BLE_ERROR_L2CAP_CID_IN_USE (NRF_L2CAP_ERR_BASE + 0x000) /**< CID already in use. */ /** @} */ /**@brief Default L2CAP MTU. */ #define BLE_L2CAP_MTU_DEF (23) /**@brief Invalid Channel Identifier. */ #define BLE_L2CAP_CID_INVALID (0x0000) /**@brief Dynamic Channel Identifier base. */ #define BLE_L2CAP_CID_DYN_BASE (0x0040) /**@brief Maximum amount of dynamic CIDs. */ #define BLE_L2CAP_CID_DYN_MAX (8) /** @} */ /**@addtogroup BLE_L2CAP_STRUCTURES Structures * @{ */ /**@brief Packet header format for L2CAP transmission. */ typedef struct { uint16_t len; /**< Length of valid info in data member. */ uint16_t cid; /**< Channel ID on which packet is transmitted. */ } ble_l2cap_header_t; /**@brief L2CAP Received packet event report. */ typedef struct { ble_l2cap_header_t header; /**< L2CAP packet header. */ uint8_t data[1]; /**< Packet data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ } ble_l2cap_evt_rx_t; /**@brief L2CAP event callback event structure. */ typedef struct { uint16_t conn_handle; /**< Connection Handle on which event occured. */ union { ble_l2cap_evt_rx_t rx; /**< RX Event parameters. */ } params; /**< Event Parameters. */ } ble_l2cap_evt_t; /** @} */ /**@addtogroup BLE_L2CAP_FUNCTIONS Functions * @{ */ /**@brief Register a CID with L2CAP. * * @details This registers a higher protocol layer with the L2CAP multiplexer, and is requried prior to all operations on the CID. * * @mscs * @mmsc{@ref BLE_L2CAP_API_MSC} * @endmscs * * @param[in] cid L2CAP CID. * * @retval ::NRF_SUCCESS Successfully registered a CID with the L2CAP layer. * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, CID must be above @ref BLE_L2CAP_CID_DYN_BASE. * @retval ::BLE_ERROR_L2CAP_CID_IN_USE L2CAP CID already in use. * @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation. */ SVCALL(SD_BLE_L2CAP_CID_REGISTER, uint32_t, sd_ble_l2cap_cid_register(uint16_t cid)); /**@brief Unregister a CID with L2CAP. * * @details This unregisters a previously registerd higher protocol layer with the L2CAP multiplexer. * * @mscs * @mmsc{@ref BLE_L2CAP_API_MSC} * @endmscs * * @param[in] cid L2CAP CID. * * @retval ::NRF_SUCCESS Successfully unregistered the CID. * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied. * @retval ::NRF_ERROR_NOT_FOUND CID not previously registered. */ SVCALL(SD_BLE_L2CAP_CID_UNREGISTER, uint32_t, sd_ble_l2cap_cid_unregister(uint16_t cid)); /**@brief Transmit an L2CAP packet. * * @note It is important to note that a call to this function will <b>consume an application packet</b>, and will therefore * generate a @ref BLE_EVT_TX_COMPLETE event when the packet has been transmitted. * Please see the documentation of @ref sd_ble_tx_packet_count_get for more details. * * @events * @event{@ref BLE_EVT_TX_COMPLETE} * @event{@ref BLE_L2CAP_EVT_RX} * @endevents * * @mscs * @mmsc{@ref BLE_L2CAP_API_MSC} * @endmscs * * @param[in] conn_handle Connection Handle. * @param[in] p_header Pointer to a packet header containing length and CID. * @param[in] p_data Pointer to the data to be transmitted. * * @retval ::NRF_SUCCESS Successfully queued an L2CAP packet for transmission. * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, CIDs must be registered beforehand with @ref sd_ble_l2cap_cid_register. * @retval ::NRF_ERROR_NOT_FOUND CID not found. * @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation. * @retval ::BLE_ERROR_NO_TX_PACKETS Not enough application packets available. * @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied, see @ref BLE_L2CAP_MTU_DEF. */ SVCALL(SD_BLE_L2CAP_TX, uint32_t, sd_ble_l2cap_tx(uint16_t conn_handle, ble_l2cap_header_t const *p_header, uint8_t const *p_data)); /** @} */ #ifdef __cplusplus } #endif #endif // NRF_BLE_L2CAP_H__ /** @} */