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2025-08-19 09:49:41 +08:00
/**
* Copyright (c) 2014 - 2020, 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 form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#include <string.h>
#include "ble_l2cap_app.h"
#include "ble_serialization.h"
#include "ble_struct_serialization.h"
#include "ble_l2cap_struct_serialization.h"
#include "ble_gap.h"
#include "app_util.h"
#include "cond_field_serialization.h"
#if defined(NRF_SD_BLE_API_VERSION) && NRF_SD_BLE_API_VERSION < 4
uint32_t ble_l2cap_cid_register_req_enc(uint16_t cid,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
uint32_t index = 0;
uint32_t err_code = NRF_SUCCESS;
SER_ASSERT_NOT_NULL(p_buf);
SER_ASSERT_NOT_NULL(p_buf_len);
SER_ASSERT_LENGTH_LEQ(index + 3, *p_buf_len);
p_buf[index++] = SD_BLE_L2CAP_CID_REGISTER;
err_code = uint16_t_enc(&cid, p_buf, *p_buf_len, &index);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
*p_buf_len = index;
return err_code;
}
uint32_t ble_l2cap_cid_register_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const p_result_code)
{
return ser_ble_cmd_rsp_dec(p_buf, packet_len, SD_BLE_L2CAP_CID_REGISTER, p_result_code);
}
uint32_t ble_l2cap_cid_unregister_req_enc(uint16_t cid,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
uint32_t index = 0;
uint32_t err_code = NRF_SUCCESS;
SER_ASSERT_NOT_NULL(p_buf);
SER_ASSERT_NOT_NULL(p_buf_len);
SER_ASSERT_LENGTH_LEQ(index + 3, *p_buf_len);
p_buf[index++] = SD_BLE_L2CAP_CID_UNREGISTER;
err_code = uint16_t_enc(&cid, p_buf, *p_buf_len, &index);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
*p_buf_len = index;
return err_code;
}
uint32_t ble_l2cap_cid_unregister_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const p_result_code)
{
return ser_ble_cmd_rsp_dec(p_buf, packet_len, SD_BLE_L2CAP_CID_UNREGISTER, p_result_code);
}
uint32_t ble_l2cap_tx_req_enc(uint16_t conn_handle,
ble_l2cap_header_t const * const p_l2cap_header,
uint8_t const * const p_data,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
uint32_t index = 0;
uint32_t err_code = NRF_SUCCESS;
SER_ASSERT_NOT_NULL(p_buf);
SER_ASSERT_NOT_NULL(p_buf_len);
SER_ASSERT_LENGTH_LEQ(1, *p_buf_len);
p_buf[index++] = SD_BLE_L2CAP_TX;
err_code = uint16_t_enc(&conn_handle, p_buf, *p_buf_len, &index);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
err_code = cond_field_enc(p_l2cap_header, p_buf, *p_buf_len, &index, ble_l2cap_header_t_enc);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
if (p_l2cap_header != NULL)
{
err_code = buf_enc(p_data, p_l2cap_header->len, p_buf, *p_buf_len, &index);
}
else
{
err_code = buf_enc(NULL, 0, p_buf, *p_buf_len, &index);
}
*p_buf_len = index;
return err_code;
}
uint32_t ble_l2cap_tx_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const p_result_code)
{
return ser_ble_cmd_rsp_dec(p_buf, packet_len, SD_BLE_L2CAP_TX, p_result_code);
}
#endif
#if NRF_SD_BLE_API_VERSION >= 5
uint32_t ble_l2cap_ch_setup_req_enc(uint16_t conn_handle,
uint16_t * p_local_cid,
ble_l2cap_ch_setup_params_t const *p_params,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_SETUP);
SER_PUSH_uint16(&conn_handle);
SER_PUSH_COND(p_local_cid, uint16_t_enc);
SER_PUSH_COND(p_params, ble_l2cap_ch_setup_params_t_enc);
SER_REQ_ENC_END;
}
uint32_t ble_l2cap_ch_setup_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint16_t * p_local_cid,
uint32_t * const p_result_code)
{
SER_RSP_DEC_BEGIN(SD_BLE_L2CAP_CH_SETUP);
SER_PULL_COND((void **)&p_local_cid, uint16_t_dec);
SER_RSP_DEC_END;
}
uint32_t ble_l2cap_ch_release_req_enc(uint16_t conn_handle,
uint16_t local_cid,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_RELEASE);
SER_PUSH_uint16(&conn_handle);
SER_PUSH_uint16(&local_cid);
SER_REQ_ENC_END;
}
uint32_t ble_l2cap_ch_release_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const p_result_code)
{
SER_RSP_DEC_RESULT_ONLY(SD_BLE_L2CAP_CH_RELEASE);
}
uint32_t ble_l2cap_ch_rx_req_enc(uint16_t conn_handle,
uint16_t local_cid,
ble_data_t const *p_sdu_buf,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_RX);
SER_PUSH_uint16(&conn_handle);
SER_PUSH_uint16(&local_cid);
SER_PUSH_COND(p_sdu_buf, NULL);
if (p_sdu_buf)
{
SER_PUSH_uint16(&p_sdu_buf->len);
SER_PUSH_uint32(&p_sdu_buf->p_data);
}
SER_REQ_ENC_END;
}
uint32_t ble_l2cap_ch_rx_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const p_result_code)
{
SER_RSP_DEC_RESULT_ONLY(SD_BLE_L2CAP_CH_RX);
}
uint32_t ble_l2cap_ch_tx_req_enc(uint16_t conn_handle,
uint16_t local_cid,
ble_data_t const *p_sdu_buf,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_TX);
SER_PUSH_uint16(&conn_handle);
SER_PUSH_uint16(&local_cid);
SER_PUSH_COND(p_sdu_buf, NULL);
if (p_sdu_buf)
{
SER_PUSH_uint32(&p_sdu_buf->p_data);
SER_PUSH_uint16(&p_sdu_buf->len);
SER_PUSH_buf(p_sdu_buf->p_data, p_sdu_buf->len);
}
SER_REQ_ENC_END;
}
uint32_t ble_l2cap_ch_tx_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const p_result_code)
{
SER_RSP_DEC_RESULT_ONLY(SD_BLE_L2CAP_CH_TX);
}
uint32_t ble_l2cap_ch_flow_control_req_enc(uint16_t conn_handle,
uint16_t local_cid,
uint16_t credits,
uint16_t *p_credits,
uint8_t * const p_buf,
uint32_t * const p_buf_len)
{
SER_REQ_ENC_BEGIN(SD_BLE_L2CAP_CH_FLOW_CONTROL);
SER_PUSH_uint16(&conn_handle);
SER_PUSH_uint16(&local_cid);
SER_PUSH_uint16(&credits);
SER_PUSH_COND(p_credits, NULL);
SER_REQ_ENC_END;
}
uint32_t ble_l2cap_ch_flow_control_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint16_t * p_credits,
uint32_t * const p_result_code)
{
SER_RSP_DEC_BEGIN(SD_BLE_L2CAP_CH_FLOW_CONTROL);
SER_PULL_COND((void **)&p_credits, uint16_t_dec);
SER_RSP_DEC_END;
}
#endif //NRF_SD_BLE_API_VERSION >= 5