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132 lines
4.2 KiB
Plaintext
132 lines
4.2 KiB
Plaintext
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module bluetooth.mojom;
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import "device/bluetooth/public/mojom/uuid.mojom";
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// Values representing the possible properties of a characteristic, which
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// define how the characteristic can be used. Each of these properties serve
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// a role as defined in the Bluetooth Specification.
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// |EXTENDED_PROPERTIES| is a special property that, if present,
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// indicates that there is a characteristic descriptor (namely the
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// "Characteristic Extended Properties Descriptor" with UUID 0x2900) that
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// contains additional properties pertaining to the characteristic.
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// The properties |RELIABLE_WRITE| and |WRITABLE_AUXILIARIES| are retrieved from
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// that characteristic.
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// TODO(crbug.com/684168): Remove assignment of values when this is automated.
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enum Property {
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NONE = 0,
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BROADCAST = 1,
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READ = 2,
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WRITE_WITHOUT_RESPONSE = 4,
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WRITE = 8,
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NOTIFY = 16,
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INDICATE = 32,
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AUTHENTICATED_SIGNED_WRITES = 64,
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EXTENDED_PROPERTIES = 128,
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RELIABLE_WRITE = 256,
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WRITABLE_AUXILIARIES = 512,
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READ_ENCRYPTED = 1024,
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WRITE_ENCRYPTED = 2048,
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READ_ENCRYPTED_AUTHENTICATED = 4096,
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WRITE_ENCRYPTED_AUTHENTICATED = 8192
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};
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enum GattResult {
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SUCCESS,
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UNKNOWN,
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FAILED,
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IN_PROGRESS,
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INVALID_LENGTH,
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NOT_PERMITTED,
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NOT_AUTHORIZED,
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NOT_PAIRED,
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NOT_SUPPORTED,
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SERVICE_NOT_FOUND,
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CHARACTERISTIC_NOT_FOUND,
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DESCRIPTOR_NOT_FOUND
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};
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// TODO(crbug.com/657632): Remove when numerical values can be optional.
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struct RSSIWrapper {
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int8 value;
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};
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struct DeviceInfo {
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string? name;
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string name_for_display;
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string address;
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bool is_gatt_connected;
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RSSIWrapper? rssi;
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};
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struct ServiceInfo {
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string id;
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UUID uuid;
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bool is_primary;
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};
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struct CharacteristicInfo {
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string id;
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UUID uuid;
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uint32 properties;
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array<uint8> last_known_value;
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};
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struct DescriptorInfo {
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string id;
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UUID uuid;
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array<uint8> last_known_value;
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};
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interface Device {
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// Disconnects and deletes the Device.
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Disconnect();
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// Gets basic information about the device. Returns null, if no device is
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// available.
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GetInfo() => (DeviceInfo? info);
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// Gets the GATT Services in this device's GATT Server.
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GetServices() => (array<ServiceInfo> services);
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// Gets the GATT Characteristics in the GATT Service with |service_id|.
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// If |characteristics| is null, an error occured while attempting to retrieve
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// the array of characteristics. If |characteristics| is empty, this simply
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// means that no characteristics were found.
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GetCharacteristics(string service_id) =>
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(array<CharacteristicInfo>? characteristics);
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// Reads the value for the GATT Characteristic with |characteristic_id| in
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// the GATT Service with |service_id|.
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ReadValueForCharacteristic(string service_id, string characteristic_id) =>
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(GattResult result, array<uint8>? value);
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// Writes the |value| to the GATT Characteristic with |characteristic_id| in
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// the GATT Service with |service_id|.
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WriteValueForCharacteristic(string service_id, string characteristic_id,
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array<uint8> value) => (GattResult result);
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// Gets the GATT Descriptors of the GATT Characteristic with matching
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// |characteristic_id| in the GATT Service with matching |service_id|.
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// If |descriptors| is null, an error occured while attempting to retrieve
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// the array of descriptors. If |descriptors| is empty, this simply
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// means that no descriptors were found.
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GetDescriptors(string service_id, string characteristic_id) =>
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(array<DescriptorInfo>? descriptors);
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// Reads the value for the GATT Descriptor with |descriptor_id| in the GATT
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// Characteristic with |characteristic_id| in the GATT Service with
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// |service_id|.
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ReadValueForDescriptor(string service_id, string characteristic_id,
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string descriptor_id) => (GattResult result, array<uint8>? value);
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// Writes the |value| for the GATT Descriptor with |descriptor_id| in the GATT
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// Characteristic with |characteristic_id| in the GATT Service with
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// |service_id|.
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WriteValueForDescriptor(string service_id, string characteristic_id,
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string descriptor_id, array<uint8> value) => (GattResult result);
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};
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