261 lines
6.3 KiB
C
261 lines
6.3 KiB
C
/*
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* Copyright (c) 2016 Nordic Semiconductor ASA
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* Copyright (c) 2016 Vinayak Kariappa Chettimada
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _PDU_H_
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#define _PDU_H_
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#include <toolchain.h>
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struct pdu_adv_payload_adv_ind {
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uint8_t addr[BDADDR_SIZE];
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uint8_t data[31];
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} __packed;
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struct pdu_adv_payload_direct_ind {
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uint8_t adv_addr[BDADDR_SIZE];
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uint8_t init_addr[BDADDR_SIZE];
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} __packed;
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struct pdu_adv_payload_scan_resp {
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uint8_t addr[BDADDR_SIZE];
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uint8_t data[31];
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} __packed;
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struct pdu_adv_payload_scan_req {
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uint8_t scan_addr[BDADDR_SIZE];
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uint8_t adv_addr[BDADDR_SIZE];
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} __packed;
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struct pdu_adv_payload_connect_req {
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uint8_t init_addr[BDADDR_SIZE];
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uint8_t adv_addr[BDADDR_SIZE];
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struct {
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uint8_t access_addr[4];
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uint8_t crc_init[3];
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uint8_t win_size;
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uint16_t win_offset;
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uint16_t interval;
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uint16_t latency;
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uint16_t timeout;
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uint8_t channel_map[5];
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uint8_t hop:5;
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uint8_t sca:3;
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} __packed lldata;
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} __packed;
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enum pdu_adv_type {
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PDU_ADV_TYPE_ADV_IND = 0x00,
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PDU_ADV_TYPE_DIRECT_IND = 0x01,
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PDU_ADV_TYPE_NONCONN_IND = 0x02,
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PDU_ADV_TYPE_SCAN_REQ = 0x03,
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PDU_ADV_TYPE_SCAN_RESP = 0x04,
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PDU_ADV_TYPE_CONNECT_REQ = 0x05,
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PDU_ADV_TYPE_SCAN_IND = 0x06,
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} __packed;
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struct pdu_adv {
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uint8_t type:4;
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uint8_t rfu0:2;
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uint8_t tx_addr:1;
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uint8_t rx_addr:1;
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uint8_t len:6;
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uint8_t rfu1:2;
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uint8_t nrf_radio_s1;
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union {
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struct pdu_adv_payload_adv_ind adv_ind;
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struct pdu_adv_payload_direct_ind direct_ind;
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struct pdu_adv_payload_scan_req scan_req;
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struct pdu_adv_payload_scan_resp scan_resp;
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struct pdu_adv_payload_connect_req connect_req;
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} __packed payload;
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} __packed;
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enum pdu_data_llid {
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PDU_DATA_LLID_RESV = 0x00,
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PDU_DATA_LLID_DATA_CONTINUE = 0x01,
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PDU_DATA_LLID_DATA_START = 0x02,
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PDU_DATA_LLID_CTRL = 0x03,
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};
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enum pdu_data_llctrl_type {
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PDU_DATA_LLCTRL_TYPE_CONN_UPDATE_REQ = 0x00,
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PDU_DATA_LLCTRL_TYPE_CHANNEL_MAP_REQ = 0x01,
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PDU_DATA_LLCTRL_TYPE_TERMINATE_IND = 0x02,
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PDU_DATA_LLCTRL_TYPE_ENC_REQ = 0x03,
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PDU_DATA_LLCTRL_TYPE_ENC_RSP = 0x04,
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PDU_DATA_LLCTRL_TYPE_START_ENC_REQ = 0x05,
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PDU_DATA_LLCTRL_TYPE_START_ENC_RSP = 0x06,
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PDU_DATA_LLCTRL_TYPE_UNKNOWN_RSP = 0x07,
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PDU_DATA_LLCTRL_TYPE_FEATURE_REQ = 0x08,
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PDU_DATA_LLCTRL_TYPE_FEATURE_RSP = 0x09,
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PDU_DATA_LLCTRL_TYPE_PAUSE_ENC_REQ = 0x0A,
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PDU_DATA_LLCTRL_TYPE_PAUSE_ENC_RSP = 0x0B,
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PDU_DATA_LLCTRL_TYPE_VERSION_IND = 0x0C,
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PDU_DATA_LLCTRL_TYPE_REJECT_IND = 0x0D,
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PDU_DATA_LLCTRL_TYPE_SLAVE_FEATURE_REQ = 0x0E,
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PDU_DATA_LLCTRL_TYPE_CONN_PARAM_REQ = 0x0F,
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PDU_DATA_LLCTRL_TYPE_CONN_PARAM_RSP = 0x10,
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PDU_DATA_LLCTRL_TYPE_REJECT_IND_EXT = 0x11,
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PDU_DATA_LLCTRL_TYPE_PING_REQ = 0x12,
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PDU_DATA_LLCTRL_TYPE_PING_RSP = 0x13,
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PDU_DATA_LLCTRL_TYPE_LENGTH_REQ = 0x14,
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PDU_DATA_LLCTRL_TYPE_LENGTH_RSP = 0x15,
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};
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struct pdu_data_llctrl_conn_update_req {
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uint8_t win_size;
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uint16_t win_offset;
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uint16_t interval;
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uint16_t latency;
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uint16_t timeout;
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uint16_t instant;
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} __packed;
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struct pdu_data_llctrl_channel_map_req {
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uint8_t chm[5];
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uint16_t instant;
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} __packed;
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struct pdu_data_llctrl_terminate_ind {
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uint8_t error_code;
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} __packed;
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struct pdu_data_llctrl_enc_req {
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uint8_t rand[8];
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uint8_t ediv[2];
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uint8_t skdm[8];
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uint8_t ivm[4];
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} __packed;
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struct pdu_data_llctrl_enc_rsp {
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uint8_t skds[8];
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uint8_t ivs[4];
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} __packed;
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struct pdu_data_llctrl_unknown_rsp {
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uint8_t type;
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} __packed;
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struct pdu_data_llctrl_feature_req {
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uint8_t features[8];
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} __packed;
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struct pdu_data_llctrl_feature_rsp {
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uint8_t features[8];
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} __packed;
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struct pdu_data_llctrl_version_ind {
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uint8_t version_number;
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uint16_t company_id;
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uint16_t sub_version_number;
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} __packed;
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struct pdu_data_llctrl_reject_ind {
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uint8_t error_code;
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} __packed;
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struct pdu_data_llctrl_conn_param_req {
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uint16_t interval_min;
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uint16_t interval_max;
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uint16_t latency;
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uint16_t timeout;
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uint8_t preferred_periodicity;
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uint16_t reference_conn_event_count;
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uint16_t offset0;
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uint16_t offset1;
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uint16_t offset2;
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uint16_t offset3;
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uint16_t offset4;
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uint16_t offset5;
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} __packed;
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struct pdu_data_llctrl_conn_param_rsp {
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uint16_t interval_min;
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uint16_t interval_max;
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uint16_t latency;
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uint16_t timeout;
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uint8_t preferred_periodicity;
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uint16_t reference_conn_event_count;
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uint16_t offset0;
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uint16_t offset1;
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uint16_t offset2;
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uint16_t offset3;
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uint16_t offset4;
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uint16_t offset5;
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} __packed;
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struct pdu_data_llctrl_reject_ind_ext {
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uint8_t reject_opcode;
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uint8_t error_code;
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} __packed;
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struct pdu_data_llctrl_length_req_rsp {
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uint16_t max_rx_octets;
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uint16_t max_rx_time;
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uint16_t max_tx_octets;
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uint16_t max_tx_time;
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} __packed;
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struct pdu_data_llctrl {
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uint8_t opcode;
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union {
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struct pdu_data_llctrl_conn_update_req conn_update_req;
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struct pdu_data_llctrl_channel_map_req channel_map_req;
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struct pdu_data_llctrl_terminate_ind terminate_ind;
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struct pdu_data_llctrl_enc_req enc_req;
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struct pdu_data_llctrl_enc_rsp enc_rsp;
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struct pdu_data_llctrl_unknown_rsp unknown_rsp;
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struct pdu_data_llctrl_feature_req feature_req;
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struct pdu_data_llctrl_feature_rsp feature_rsp;
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struct pdu_data_llctrl_version_ind version_ind;
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struct pdu_data_llctrl_reject_ind reject_ind;
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struct pdu_data_llctrl_feature_req slave_feature_req;
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struct pdu_data_llctrl_conn_param_req conn_param_req;
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struct pdu_data_llctrl_conn_param_rsp conn_param_rsp;
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struct pdu_data_llctrl_reject_ind_ext reject_ind_ext;
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struct pdu_data_llctrl_length_req_rsp length_req;
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struct pdu_data_llctrl_length_req_rsp length_rsp;
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} __packed ctrldata;
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} __packed;
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struct profile {
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uint32_t min;
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uint32_t avg;
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uint32_t max;
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} __packed;
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struct pdu_data {
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uint8_t ll_id:2;
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uint8_t nesn:1;
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uint8_t sn:1;
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uint8_t md:1;
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uint8_t rfu0:3;
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uint8_t len:8;
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uint8_t resv:8;
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union {
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uint8_t lldata[1];
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struct pdu_data_llctrl llctrl;
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uint8_t rssi;
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struct profile profile;
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} __packed payload;
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} __packed;
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#endif /* _PDU_H_ */
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