280 lines
9.8 KiB
C
280 lines
9.8 KiB
C
/**
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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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#include <string.h>
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#include "ble_l2cap_app.h"
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#include "ble_serialization.h"
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#include "ble_struct_serialization.h"
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#include "ble_l2cap_struct_serialization.h"
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#include "ble_gap.h"
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#include "app_util.h"
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#include "cond_field_serialization.h"
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#if defined(NRF_SD_BLE_API_VERSION) && NRF_SD_BLE_API_VERSION < 4
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uint32_t ble_l2cap_cid_register_req_enc(uint16_t cid,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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uint32_t index = 0;
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uint32_t err_code = NRF_SUCCESS;
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SER_ASSERT_NOT_NULL(p_buf);
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SER_ASSERT_NOT_NULL(p_buf_len);
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SER_ASSERT_LENGTH_LEQ(index + 3, *p_buf_len);
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p_buf[index++] = SD_BLE_L2CAP_CID_REGISTER;
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err_code = uint16_t_enc(&cid, p_buf, *p_buf_len, &index);
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SER_ASSERT(err_code == NRF_SUCCESS, err_code);
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*p_buf_len = index;
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return err_code;
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}
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uint32_t ble_l2cap_cid_register_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint32_t * const p_result_code)
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{
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return ser_ble_cmd_rsp_dec(p_buf, packet_len, SD_BLE_L2CAP_CID_REGISTER, p_result_code);
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}
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uint32_t ble_l2cap_cid_unregister_req_enc(uint16_t cid,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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uint32_t index = 0;
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uint32_t err_code = NRF_SUCCESS;
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SER_ASSERT_NOT_NULL(p_buf);
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SER_ASSERT_NOT_NULL(p_buf_len);
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SER_ASSERT_LENGTH_LEQ(index + 3, *p_buf_len);
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p_buf[index++] = SD_BLE_L2CAP_CID_UNREGISTER;
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err_code = uint16_t_enc(&cid, p_buf, *p_buf_len, &index);
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SER_ASSERT(err_code == NRF_SUCCESS, err_code);
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*p_buf_len = index;
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return err_code;
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}
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uint32_t ble_l2cap_cid_unregister_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint32_t * const p_result_code)
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{
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return ser_ble_cmd_rsp_dec(p_buf, packet_len, SD_BLE_L2CAP_CID_UNREGISTER, p_result_code);
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}
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uint32_t ble_l2cap_tx_req_enc(uint16_t conn_handle,
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ble_l2cap_header_t const * const p_l2cap_header,
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uint8_t const * const p_data,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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uint32_t index = 0;
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uint32_t err_code = NRF_SUCCESS;
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SER_ASSERT_NOT_NULL(p_buf);
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SER_ASSERT_NOT_NULL(p_buf_len);
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SER_ASSERT_LENGTH_LEQ(1, *p_buf_len);
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p_buf[index++] = SD_BLE_L2CAP_TX;
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err_code = uint16_t_enc(&conn_handle, p_buf, *p_buf_len, &index);
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SER_ASSERT(err_code == NRF_SUCCESS, err_code);
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err_code = cond_field_enc(p_l2cap_header, p_buf, *p_buf_len, &index, ble_l2cap_header_t_enc);
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SER_ASSERT(err_code == NRF_SUCCESS, err_code);
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if (p_l2cap_header != NULL)
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{
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err_code = buf_enc(p_data, p_l2cap_header->len, p_buf, *p_buf_len, &index);
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}
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else
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{
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err_code = buf_enc(NULL, 0, p_buf, *p_buf_len, &index);
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}
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*p_buf_len = index;
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return err_code;
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}
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uint32_t ble_l2cap_tx_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint32_t * const p_result_code)
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{
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return ser_ble_cmd_rsp_dec(p_buf, packet_len, SD_BLE_L2CAP_TX, p_result_code);
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}
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#endif
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#if NRF_SD_BLE_API_VERSION >= 5
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uint32_t ble_l2cap_ch_setup_req_enc(uint16_t conn_handle,
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uint16_t * p_local_cid,
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ble_l2cap_ch_setup_params_t const *p_params,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_SETUP);
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SER_PUSH_uint16(&conn_handle);
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SER_PUSH_COND(p_local_cid, uint16_t_enc);
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SER_PUSH_COND(p_params, ble_l2cap_ch_setup_params_t_enc);
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SER_REQ_ENC_END;
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}
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uint32_t ble_l2cap_ch_setup_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint16_t * p_local_cid,
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uint32_t * const p_result_code)
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{
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SER_RSP_DEC_BEGIN(SD_BLE_L2CAP_CH_SETUP);
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SER_PULL_COND((void **)&p_local_cid, uint16_t_dec);
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SER_RSP_DEC_END;
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}
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uint32_t ble_l2cap_ch_release_req_enc(uint16_t conn_handle,
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uint16_t local_cid,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_RELEASE);
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SER_PUSH_uint16(&conn_handle);
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SER_PUSH_uint16(&local_cid);
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SER_REQ_ENC_END;
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}
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uint32_t ble_l2cap_ch_release_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint32_t * const p_result_code)
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{
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SER_RSP_DEC_RESULT_ONLY(SD_BLE_L2CAP_CH_RELEASE);
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}
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uint32_t ble_l2cap_ch_rx_req_enc(uint16_t conn_handle,
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uint16_t local_cid,
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ble_data_t const *p_sdu_buf,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_RX);
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SER_PUSH_uint16(&conn_handle);
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SER_PUSH_uint16(&local_cid);
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SER_PUSH_COND(p_sdu_buf, NULL);
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if (p_sdu_buf)
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{
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SER_PUSH_uint16(&p_sdu_buf->len);
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SER_PUSH_uint32(&p_sdu_buf->p_data);
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}
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SER_REQ_ENC_END;
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}
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uint32_t ble_l2cap_ch_rx_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint32_t * const p_result_code)
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{
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SER_RSP_DEC_RESULT_ONLY(SD_BLE_L2CAP_CH_RX);
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}
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uint32_t ble_l2cap_ch_tx_req_enc(uint16_t conn_handle,
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uint16_t local_cid,
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ble_data_t const *p_sdu_buf,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_TX);
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SER_PUSH_uint16(&conn_handle);
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SER_PUSH_uint16(&local_cid);
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SER_PUSH_COND(p_sdu_buf, NULL);
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if (p_sdu_buf)
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{
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SER_PUSH_uint32(&p_sdu_buf->p_data);
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SER_PUSH_uint16(&p_sdu_buf->len);
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SER_PUSH_buf(p_sdu_buf->p_data, p_sdu_buf->len);
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}
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SER_REQ_ENC_END;
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}
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uint32_t ble_l2cap_ch_tx_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint32_t * const p_result_code)
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{
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SER_RSP_DEC_RESULT_ONLY(SD_BLE_L2CAP_CH_TX);
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}
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uint32_t ble_l2cap_ch_flow_control_req_enc(uint16_t conn_handle,
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uint16_t local_cid,
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uint16_t credits,
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uint16_t *p_credits,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_FLOW_CONTROL);
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SER_PUSH_uint16(&conn_handle);
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SER_PUSH_uint16(&local_cid);
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SER_PUSH_uint16(&credits);
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SER_PUSH_COND(p_credits, NULL);
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SER_REQ_ENC_END;
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}
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uint32_t ble_l2cap_ch_flow_control_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint16_t * p_credits,
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uint32_t * const p_result_code)
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{
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SER_RSP_DEC_BEGIN(SD_BLE_L2CAP_CH_FLOW_CONTROL);
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SER_PULL_COND((void **)&p_credits, uint16_t_dec);
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SER_RSP_DEC_END;
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}
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#endif //NRF_SD_BLE_API_VERSION >= 5
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