274 lines
6.2 KiB
C
274 lines
6.2 KiB
C
// CircuitPython: Adapted from Zephyr include file.
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/* att_internal.h - Attribute protocol handling */
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/*
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* Copyright (c) 2015-2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdbool.h>
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// for __packed
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#include <sys/cdefs.h>
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#define BT_EATT_PSM 0x27
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#define BT_ATT_DEFAULT_LE_MTU 23
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#define BT_ATT_TIMEOUT K_SECONDS(30)
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// FIX #if BT_L2CAP_RX_MTU < CONFIG_BT_L2CAP_TX_MTU
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// #define BT_ATT_MTU BT_L2CAP_RX_MTU
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// #else
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// #define BT_ATT_MTU CONFIG_BT_L2CAP_TX_MTU
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// #endif
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struct bt_att_hdr {
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uint8_t code;
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} __packed;
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#define BT_ATT_OP_ERROR_RSP 0x01
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struct bt_att_error_rsp {
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uint8_t request;
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uint16_t handle;
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uint8_t error;
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} __packed;
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#define BT_ATT_OP_MTU_REQ 0x02
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struct bt_att_exchange_mtu_req {
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uint16_t mtu;
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} __packed;
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#define BT_ATT_OP_MTU_RSP 0x03
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struct bt_att_exchange_mtu_rsp {
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uint16_t mtu;
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} __packed;
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/* Find Information Request */
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#define BT_ATT_OP_FIND_INFO_REQ 0x04
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struct bt_att_find_info_req {
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uint16_t start_handle;
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uint16_t end_handle;
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} __packed;
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/* Format field values for BT_ATT_OP_FIND_INFO_RSP */
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#define BT_ATT_INFO_16 0x01
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#define BT_ATT_INFO_128 0x02
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struct bt_att_info_16 {
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uint16_t handle;
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uint16_t uuid;
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} __packed;
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struct bt_att_info_128 {
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uint16_t handle;
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uint8_t uuid[16];
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} __packed;
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/* Find Information Response */
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#define BT_ATT_OP_FIND_INFO_RSP 0x05
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struct bt_att_find_info_rsp {
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uint8_t format;
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uint8_t info[];
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} __packed;
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/* Find By Type Value Request */
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#define BT_ATT_OP_FIND_TYPE_REQ 0x06
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struct bt_att_find_type_req {
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uint16_t start_handle;
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uint16_t end_handle;
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uint16_t type;
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uint8_t value[];
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} __packed;
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struct bt_att_handle_group {
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uint16_t start_handle;
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uint16_t end_handle;
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} __packed;
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/* Find By Type Value Response */
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#define BT_ATT_OP_FIND_TYPE_RSP 0x07
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struct bt_att_find_type_rsp {
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uint8_t _dummy[0];
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struct bt_att_handle_group list[];
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} __packed;
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/* Read By Type Request */
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#define BT_ATT_OP_READ_TYPE_REQ 0x08
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struct bt_att_read_type_req {
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uint16_t start_handle;
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uint16_t end_handle;
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uint8_t uuid[];
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} __packed;
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struct bt_att_data {
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uint16_t handle;
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uint8_t value[];
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} __packed;
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/* Read By Type Response */
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#define BT_ATT_OP_READ_TYPE_RSP 0x09
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struct bt_att_read_type_rsp {
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uint8_t len;
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struct bt_att_data data[];
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} __packed;
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/* Read Request */
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#define BT_ATT_OP_READ_REQ 0x0a
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struct bt_att_read_req {
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uint16_t handle;
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} __packed;
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/* Read Response */
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#define BT_ATT_OP_READ_RSP 0x0b
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struct bt_att_read_rsp {
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uint8_t _dummy[0];
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uint8_t value[];
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} __packed;
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/* Read Blob Request */
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#define BT_ATT_OP_READ_BLOB_REQ 0x0c
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struct bt_att_read_blob_req {
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uint16_t handle;
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uint16_t offset;
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} __packed;
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/* Read Blob Response */
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#define BT_ATT_OP_READ_BLOB_RSP 0x0d
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struct bt_att_read_blob_rsp {
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uint8_t _dummy[0];
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uint8_t value[];
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} __packed;
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/* Read Multiple Request */
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#define BT_ATT_READ_MULT_MIN_LEN_REQ 0x04
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#define BT_ATT_OP_READ_MULT_REQ 0x0e
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struct bt_att_read_mult_req {
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uint8_t _dummy[0];
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uint16_t handles[];
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} __packed;
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/* Read Multiple Response */
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#define BT_ATT_OP_READ_MULT_RSP 0x0f
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struct bt_att_read_mult_rsp {
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uint8_t _dummy[0];
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uint8_t value[];
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} __packed;
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/* Read by Group Type Request */
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#define BT_ATT_OP_READ_GROUP_REQ 0x10
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struct bt_att_read_group_req {
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uint16_t start_handle;
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uint16_t end_handle;
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uint8_t uuid[];
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} __packed;
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struct bt_att_group_data {
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uint16_t start_handle;
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uint16_t end_handle;
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uint8_t value[];
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} __packed;
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/* Read by Group Type Response */
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#define BT_ATT_OP_READ_GROUP_RSP 0x11
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struct bt_att_read_group_rsp {
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uint8_t len;
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struct bt_att_group_data data[];
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} __packed;
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/* Write Request */
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#define BT_ATT_OP_WRITE_REQ 0x12
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struct bt_att_write_req {
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uint16_t handle;
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uint8_t value[];
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} __packed;
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/* Write Response */
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#define BT_ATT_OP_WRITE_RSP 0x13
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/* Prepare Write Request */
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#define BT_ATT_OP_PREPARE_WRITE_REQ 0x16
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struct bt_att_prepare_write_req {
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uint16_t handle;
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uint16_t offset;
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uint8_t value[];
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} __packed;
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/* Prepare Write Respond */
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#define BT_ATT_OP_PREPARE_WRITE_RSP 0x17
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struct bt_att_prepare_write_rsp {
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uint16_t handle;
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uint16_t offset;
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uint8_t value[];
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} __packed;
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/* Execute Write Request */
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#define BT_ATT_FLAG_CANCEL 0x00
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#define BT_ATT_FLAG_EXEC 0x01
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#define BT_ATT_OP_EXEC_WRITE_REQ 0x18
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struct bt_att_exec_write_req {
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uint8_t flags;
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} __packed;
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/* Execute Write Response */
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#define BT_ATT_OP_EXEC_WRITE_RSP 0x19
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/* Handle Value Notification */
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#define BT_ATT_OP_NOTIFY 0x1b
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struct bt_att_notify {
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uint16_t handle;
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uint8_t value[];
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} __packed;
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/* Handle Value Indication */
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#define BT_ATT_OP_INDICATE 0x1d
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struct bt_att_indicate {
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uint16_t handle;
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uint8_t value[];
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} __packed;
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/* Handle Value Confirm */
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#define BT_ATT_OP_CONFIRM 0x1e
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struct bt_att_signature {
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uint8_t value[12];
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} __packed;
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#define BT_ATT_OP_READ_MULT_VL_REQ 0x20
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struct bt_att_read_mult_vl_req {
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uint8_t _dummy[0];
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uint16_t handles[];
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} __packed;
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/* Read Multiple Response */
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#define BT_ATT_OP_READ_MULT_VL_RSP 0x21
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struct bt_att_read_mult_vl_rsp {
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uint16_t len;
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uint8_t value[];
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} __packed;
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/* Handle Multiple Value Notification */
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#define BT_ATT_OP_NOTIFY_MULT 0x23
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struct bt_att_notify_mult {
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uint16_t handle;
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uint16_t len;
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uint8_t value[];
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} __packed;
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/* Write Command */
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#define BT_ATT_OP_WRITE_CMD 0x52
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struct bt_att_write_cmd {
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uint16_t handle;
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uint8_t value[];
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} __packed;
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/* Signed Write Command */
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#define BT_ATT_OP_SIGNED_WRITE_CMD 0xd2
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struct bt_att_signed_write_cmd {
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uint16_t handle;
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uint8_t value[];
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} __packed;
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