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