280 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			280 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /**
 | ||
|  |  * 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
 |