Bluetooth LE, protocole GATT : des compos ou des tutos ?
Bjr à tous,
Je recherche un compo ou de la doc sur l'utilisation du Bluetooth LE, protocole GATT
Mis à part:
- un composant BT exclusivement pour Linux
- une floppée de liens morts
- des composants hors de prix (TMS),
je ne trouve quasiment rien.
WinBluetoothLE: Semble répondre à mes questions sous Windows, mais comment l'utiliser
Citation:
Envoyé par
JP CASSOU
Bjr à tous,
Je recherche un compo ou de la doc sur l'utilisation du Bluetooth LE, protocole GATT
Mis à part:
- un composant BT exclusivement pour Linux
- une floppée de liens morts
- des composants hors de prix (TMS),
je ne trouve quasiment rien.
Je viens de trouver un fichier WinBluetoothLE.pas contenant les prototypes des fonctions dédiées au Bluetooth LE.
La doc MSDN de BluetoothAPIs indique que les fonctions suivantes ne sont pas utilisables avec le BLE:
Code:
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// ces fonctions ne détectent pas le BLE
(*
The BluetoothFindFirstDevice function does not find Bluetooth Low Energy (LE) devices.
To access Bluetooth LE devices, use the Windows Runtime Bluetooth Low Energy APIs.
The Windows Runtime APIs for Bluetooth work in both UWP and classic desktop apps.
//*)
function BluetoothFindFirstDevice(const pbtsp: BLUETOOTH_DEVICE_SEARCH_PARAMS; var pbtdi: BLUETOOTH_DEVICE_INFO)
function BluetoothFindNextDevice(hFind: HBLUETOOTH_DEVICE_FIND; var pbtdi: BLUETOOTH_DEVICE_INFO): BOOL
function BluetoothFindDeviceClose(hFind: HBLUETOOTH_DEVICE_FIND): BOOL;
function BluetoothRemoveDevice(const pAddress : BLUETOOTH_ADDRESS): BOOL; |
Toutes les fonctions BLE dédiées au GATT prennent en paramètre le handle du périphérique concerné.
Ma question: Comment obtient-on ce handle ? Quelle sont les fonctions à utiliser ? Exemples .
WinBluetoothLE.pas
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|
{*******************************************************}
{ }
{ Delphi Runtime Library }
{ }
{ Files: bluetoothleapis.h bthledef.h }
{ Copyright (C) Microsoft Corporation. }
{ All Rights Reserved. }
{ }
{ Translator: Embarcadero Technologies, Inc. }
{ Copyright(c) 1995-2014 Embarcadero Technologies, Inc. }
{ }
{*******************************************************}
// Exemples: https://github.com/Appmethod/Appmethod115/blob/master/Object%20Pascal/Mobile%20Samples/Device%20Sensors%20and%20Services/Bluetooth/ExploreDevicesLE/uExploreDevices.pas
{$WARNING .$EXTERNALSYM n'est plus supporté}
unit WinBluetoothLE;
{$mode delphi}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$WEAKPACKAGEUNIT}
interface
uses
Windows;
//{$HPPEMIT '#include <bthledef.h>'}
//{$HPPEMIT '#include <bluetoothleapis.h>'}
const LIB_BluetoothAPIs = 'BluetoothAPIs.dll';
//external LIB_BluetoothAPIs name
// Noms des fonction Bluetouffe
const BLUETOOTH_MAX_NAME_SIZE = 248;
const
PROC_NAME_BluetoothFindFirstDevice = 'BluetoothFindFirstDevice';
PROC_NAME_BluetoothFindNextDevice = 'BluetoothFindNextDevice';
PROC_NAME_BluetoothFindDeviceClose = 'BluetoothFindDeviceClose';
PROC_NAME_BluetoothRemoveDevice = 'BluetoothRemoveDevice';
// Noms des fonctions BLE
const
PROC_NAME_BluetoothGATTGetServices = 'BluetoothGATTGetServices';
PROC_NAME_BluetoothGATTGetIncludedServices = 'BluetoothGATTGetIncludedServices';
PROC_NAME_BluetoothGATTGetCharacteristics = 'BluetoothGATTGetCharacteristics';
PROC_NAME_BluetoothGATTGetDescriptors = 'BluetoothGATTGetDescriptors';
PROC_NAME_BluetoothGATTGetCharacteristicValue = 'BluetoothGATTGetCharacteristicValue';
PROC_NAME_BluetoothGATTGetDescriptorValue = 'BluetoothGATTGetDescriptorValue';
PROC_NAME_BluetoothGATTBeginReliableWrite = 'BluetoothGATTBeginReliableWrite';
PROC_NAME_BluetoothGATTEndReliableWrite = 'BluetoothGATTEndReliableWrite';
PROC_NAME_BluetoothGATTAbortReliableWrite = 'BluetoothGATTAbortReliableWrite';
PROC_NAME_BluetoothGATTSetCharacteristicValue = 'BluetoothGATTSetCharacteristicValue';
PROC_NAME_BluetoothGATTSetDescriptorValue = 'BluetoothGATTSetDescriptorValue';
PROC_NAME_BluetoothGATTRegisterEvent = 'BluetoothGATTRegisterEvent';
PROC_NAME_BluetoothGATTUnregisterEvent = 'BluetoothGATTUnregisterEvent';
///////////////////////////////
///
/// Start bthledef.h
///
///////////////////////////////
{ Bluetooth LE device interface GUID }
const
GUID_BLUETOOTHLE_DEVICE_INTERFACE : TGUID = '{781AEE18-7733-4CE4-ADD0-91F41C67B592}';
GUID_BLUETOOTH_GATT_SERVICE_DEVICE_INTERFACE: TGUID = '{6E3BB679-4372-40C8-9EAA-4509DF260CD8}'; { Bluetooth LE Service device interface GUID }
BTH_LE_ATT_BLUETOOTH_BASE_GUID : TGUID = '{00000000-0000-1000-8000-00805F9B34FB}';
{ ////////////////////////////////////////////////////////////////////////////// }
{ GATT Constants }
{ ////////////////////////////////////////////////////////////////////////////// }
const
E_BLUETOOTH_ATT_INVALID_HANDLE = $80650001;
E_BLUETOOTH_ATT_READ_NOT_PERMITTED = $80650002;
E_BLUETOOTH_ATT_WRITE_NOT_PERMITTED = $80650003;
E_BLUETOOTH_ATT_INVALID_PDU = $80650004;
E_BLUETOOTH_ATT_INSUFFICIENT_AUTHENTICATION = $80650005;
E_BLUETOOTH_ATT_REQUEST_NOT_SUPPORTED = $80650006;
E_BLUETOOTH_ATT_INVALID_OFFSET = $80650007;
E_BLUETOOTH_ATT_INSUFFICIENT_AUTHORIZATION = $80650008;
E_BLUETOOTH_ATT_PREPARE_QUEUE_FULL = $80650009;
E_BLUETOOTH_ATT_ATTRIBUTE_NOT_FOUND = $8065000A;
E_BLUETOOTH_ATT_ATTRIBUTE_NOT_LONG = $8065000B;
E_BLUETOOTH_ATT_INSUFFICIENT_ENCRYPTION_KEY_SIZE = $8065000C;
E_BLUETOOTH_ATT_INVALID_ATTRIBUTE_VALUE_LENGTH = $8065000D;
E_BLUETOOTH_ATT_UNLIKELY = $8065000E;
E_BLUETOOTH_ATT_INSUFFICIENT_ENCRYPTION = $8065000F;
E_BLUETOOTH_ATT_UNSUPPORTED_GROUP_TYPE = $80650010;
E_BLUETOOTH_ATT_INSUFFICIENT_RESOURCES = $80650011;
E_BLUETOOTH_ATT_UNKNOWN_ERROR = $80651000;
{ Services UUIDs (Assigned numbers) }
const
BTH_LE_SERVICE_GAP = $1800;
BTH_LE_SERVICE_GATT = $1801;
{ GATT attribute types (Assigned numbers) }
BTH_LE_GATT_ATTRIBUTE_TYPE_PRIMARY_SERVICE = $2800;
BTH_LE_GATT_ATTRIBUTE_TYPE_SECONDARY_SERVICE = $2801;
BTH_LE_GATT_ATTRIBUTE_TYPE_INCLUDE = $2802;
BTH_LE_GATT_ATTRIBUTE_TYPE_CHARACTERISTIC = $2803;
{ GATT Characteristic Descriptors (Assigned numbers) }
BTH_LE_GATT_CHARACTERISTIC_DESCRIPTOR_EXTENDED_PROPERTIES = $2900;
BTH_LE_GATT_CHARACTERISTIC_DESCRIPTOR_USER_DESCRIPTION = $2901;
BTH_LE_GATT_CHARACTERISTIC_DESCRIPTOR_CLIENT_CONFIGURATION = $2902;
BTH_LE_GATT_CHARACTERISTIC_DESCRIPTOR_SERVER_CONFIGURATION = $2903;
BTH_LE_GATT_CHARACTERISTIC_DESCRIPTOR_FORMAT = $2904;
BTH_LE_GATT_CHARACTERISTIC_DESCRIPTOR_AGGREGATE_FORMAT = $2905;
{ GATT Characteristic Types (Assigned numbers) }
BTH_LE_GATT_CHARACTERISTIC_TYPE_DEVICE_NAME = $2A00;
BTH_LE_GATT_CHARACTERISTIC_TYPE_APPEARANCE = $2A01;
BTH_LE_GATT_CHARACTERISTIC_TYPE_PERIPHERAL_PRIVACY_FLAG = $2A02;
BTH_LE_GATT_CHARACTERISTIC_TYPE_RECONNECTION_ADDRESS = $2A03;
BTH_LE_GATT_CHARACTERISTIC_TYPE_PERIPHERAL_PREFERED_CONNECTION_PARAMETER = $2A04;
BTH_LE_GATT_CHARACTERISTIC_TYPE_SERVICE_CHANGED = $2A05;
BTH_LE_GAP_APPEARANCE_CATEGORY_OFFSET = $6;
BTH_LE_GAP_APPEARANCE_CATEGORY_MASK = $3ff;
function BTH_LE_GAP_APPEARANCE_GET_CATEGORY(a: Cardinal): Cardinal; inline;
const
BTH_LE_GAP_APPEARANCE_SUB_CATEGORY_MASK = $3f;
function BTH_LE_GAP_APPEARANCE_GET_SUB_CATEGORY(a: Cardinal): Byte; inline;
const
BTH_LE_GAP_APPEARANCE_CATEGORY_PHONE = $0001;
BTH_LE_GAP_APPEARANCE_CATEGORY_COMPUTER = $0002;
BTH_LE_GAP_APPEARANCE_CATEGORY_WATCH = $0003;
BTH_LE_GAP_APPEARANCE_CATEGORY_CLOCK = $0004;
BTH_LE_GAP_APPEARANCE_CATEGORY_DISPLAY = $0005;
BTH_LE_GAP_APPEARANCE_CATEGORY_REMOTE_CONTROL = $0006;
BTH_LE_GAP_APPEARANCE_CATEGORY_EYE_GLASSES = $0007;
BTH_LE_GAP_APPEARANCE_CATEGORY_TAG = $0008;
BTH_LE_GAP_APPEARANCE_CATEGORY_KEYRING = $0009;
BTH_LE_GAP_APPEARANCE_CATEGORY_MEDIA_PLAYER = $000a;
BTH_LE_GAP_APPEARANCE_CATEGORY_BARCODE_SCANNER = $000b;
BTH_LE_GAP_APPEARANCE_CATEGORY_THERMOMETER = $000c;
BTH_LE_GAP_APPEARANCE_CATEGORY_HEART_RATE = $000d;
BTH_LE_GAP_APPEARANCE_CATEGORY_BLOOD_PRESSURE = $000e;
BTH_LE_GAP_APPEARANCE_CATEGORY_HID = $000f;
BTH_LE_GAP_APPEARANCE_CATEGORY_GLUCOSE_METER = $0010;
BTH_LE_GAP_APPEARANCE_CATEGORY_RUNNING_WALKING_SENSOR = $0011;
BTH_LE_GAP_APPEARANCE_CATEGORY_CYCLING = $0012;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_KEYBOARD = $01;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_MOUSE = $02;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_JOYSTICK = $03;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_GAMEPAD = $04;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_DIGITIZER_TABLET = $05;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_CARD_READER = $06;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_DIGITAL_PEN = $07;
BTH_LE_GAP_APPEARANCE_HID_SUBCATEGORY_BARCODE_SCANNER = $08;
{ GATT Included Services Default Maximum Nested Depth }
BTH_LE_GATT_DEFAULT_MAX_INCLUDED_SERVICES_DEPTH = 3;
{ ////////////////////////////////////////////////////////////////////////////// }
{ ATT Constants }
{ ////////////////////////////////////////////////////////////////////////////// }
{ Transation timeout }
BTH_LE_ATT_TRANSACTION_TIMEOUT = 30; { seconds }
{ Maximum size of any attribute value }
BTH_LE_ATT_MAX_VALUE_SIZE = 512;
{ CID }
BTH_LE_ATT_CID = $0004;
{ MTU }
BTHLEENUM_ATT_MTU_MIN = 23;
BTHLEENUM_ATT_MTU_MAX = $FFFF;
BTHLEENUM_ATT_MTU_DEFAULT = BTHLEENUM_ATT_MTU_MIN;
BTHLEENUM_ATT_MTU_INITIAL_NEGOTIATION = 525;
{ ////////////////////////////////////////////////////////////////////////////// }
{ ATT-specific Error Codes }
{ ////////////////////////////////////////////////////////////////////////////// }
BTH_LE_ERROR_INVALID_HANDLE = $01;
BTH_LE_ERROR_READ_NOT_PERMITTED = $02;
BTH_LE_ERROR_WRITE_NOT_PERMITTED = $03;
BTH_LE_ERROR_INVALID_PDU = $04;
BTH_LE_ERROR_INSUFFICIENT_AUTHENTICATION = $05;
BTH_LE_ERROR_REQUEST_NOT_SUPPORTED = $06;
BTH_LE_ERROR_INVALID_OFFSET = $07;
BTH_LE_ERROR_INSUFFICIENT_AUTHORIZATION = $08;
BTH_LE_ERROR_PREPARE_QUEUE_FULL = $09;
BTH_LE_ERROR_ATTRIBUTE_NOT_FOUND = $0A;
BTH_LE_ERROR_ATTRIBUTE_NOT_LONG = $0B;
BTH_LE_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE = $0C;
BTH_LE_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH = $0D;
BTH_LE_ERROR_UNLIKELY = $0E;
BTH_LE_ERROR_INSUFFICIENT_ENCRYPTION = $0F;
BTH_LE_ERROR_UNSUPPORTED_GROUP_TYPE = $10;
BTH_LE_ERROR_INSUFFICIENT_RESOURCES = $11;
BTH_LE_ERROR_UNKNOWN = $1000;
{ ////////////////////////////////////////////////////////////////////////////// }
{ GATT Security and Other Flag-related Facilities }
{ ////////////////////////////////////////////////////////////////////////////// }
BLUETOOTH_GATT_FLAG_NONE = $00000000;
BLUETOOTH_GATT_FLAG_CONNECTION_ENCRYPTED = $00000001;
BLUETOOTH_GATT_FLAG_CONNECTION_AUTHENTICATED = $00000002;
BLUETOOTH_GATT_FLAG_FORCE_READ_FROM_DEVICE = $00000004;
BLUETOOTH_GATT_FLAG_FORCE_READ_FROM_CACHE = $00000008;
BLUETOOTH_GATT_FLAG_SIGNED_WRITE = $00000010;
BLUETOOTH_GATT_FLAG_WRITE_WITHOUT_RESPONSE = $00000020;
BLUETOOTH_GATT_FLAG_RETURN_ALL = $00000040;
BLUETOOTH_GATT_FLAG_VALID_MASK = BLUETOOTH_GATT_FLAG_NONE
or BLUETOOTH_GATT_FLAG_CONNECTION_ENCRYPTED
or BLUETOOTH_GATT_FLAG_CONNECTION_AUTHENTICATED
or BLUETOOTH_GATT_FLAG_FORCE_READ_FROM_DEVICE
or BLUETOOTH_GATT_FLAG_FORCE_READ_FROM_CACHE
or BLUETOOTH_GATT_FLAG_SIGNED_WRITE
or BLUETOOTH_GATT_FLAG_WRITE_WITHOUT_RESPONSE
or BLUETOOTH_GATT_FLAG_RETURN_ALL;
function IS_BLUETOOTH_GATT_FLAG_VALID(f: Cardinal): Boolean; inline;
{ ////////////////////////////////////////////////////////////////////////////// }
{ GATT Structures }
{ ////////////////////////////////////////////////////////////////////////////// }
type
BLUETOOTH_GATT_EVENT_HANDLE = THandle;
TBluetoothGattEventHandle = BLUETOOTH_GATT_EVENT_HANDLE;
PBluetoothGattEventHandle = ^TBluetoothGattEventHandle;
_BTH_LE_UUID = record
IsShortUuid: Boolean;
case Integer of
0: (LongUuid: TGUID);
1: (ShortUuid: USHORT);
2: (ForceAlign4: Int32);
end;
BTH_LE_UUID = _BTH_LE_UUID;
PBTH_LE_UUID = ^BTH_LE_UUID;
TBthLeUuid = BTH_LE_UUID;
PBthLeUuid = ^TBthLeUuid;
_BTH_LE_GATT_SERVICE = record
ServiceUuid: TBthLeUuid;
AttributeHandle: USHORT;
end;
BTH_LE_GATT_SERVICE = _BTH_LE_GATT_SERVICE;
PBTH_LE_GATT_SERVICE = ^BTH_LE_GATT_SERVICE;
TBthLeGattService = BTH_LE_GATT_SERVICE;
PBthLeGattService = ^TBthLEGattService;
type
BTH_LE_GATT_DESCRIPTOR_TYPE = (
CharacteristicExtendedProperties = 0,
CharacteristicUserDescription = 1,
ClientCharacteristicConfiguration = 2,
ServerCharacteristicConfiguration = 3,
CharacteristicFormat = 4,
CharacteristicAggregateFormat = 5,
CustomDescriptor = 6
);
PBTH_LE_GATT_DESCRIPTOR_TYPE = ^BTH_LE_GATT_DESCRIPTOR_TYPE;
TBthLeGattDescriptorType = BTH_LE_GATT_DESCRIPTOR_TYPE;
PBthLeGattDescriptorType = ^TBthLeGattDescriptorType;
_BTH_LE_GATT_CHARACTERISTIC = record
ServiceHandle: USHORT;
CharacteristicUuid: TBthLeUuid;
AttributeHandle: USHORT;
CharacteristicValueHandle: USHORT;
IsBroadcastable: BOOLEAN;
IsReadable: BOOLEAN;
IsWritable: BOOLEAN;
IsWritableWithoutResponse: BOOLEAN;
IsSignedWritable: BOOLEAN;
IsNotifiable: BOOLEAN;
IsIndicatable: BOOLEAN;
HasExtendedProperties: BOOLEAN;
end;
BTH_LE_GATT_CHARACTERISTIC = _BTH_LE_GATT_CHARACTERISTIC;
PBTH_LE_GATT_CHARACTERISTIC = ^BTH_LE_GATT_CHARACTERISTIC;
TBthLeGattCharacteristic = BTH_LE_GATT_CHARACTERISTIC;
PBthLeGattCharacteristic = ^TBthLeGattCharacteristic;
_BTH_LE_GATT_CHARACTERISTIC_VALUE = record
DataSize: ULONG;
Data: PByte;
//Data: array [0..0] of byte;
end;
BTH_LE_GATT_CHARACTERISTIC_VALUE = _BTH_LE_GATT_CHARACTERISTIC_VALUE;
PBTH_LE_GATT_CHARACTERISTIC_VALUE = ^BTH_LE_GATT_CHARACTERISTIC_VALUE;
TBthLeGattCharacteristicValue = BTH_LE_GATT_CHARACTERISTIC_VALUE;
PBthLeGattCharacteristicValue = ^TBthLeGattCharacteristicValue;
BTH_LE_GATT_DESCRIPTOR = record
ServiceHandle: USHORT;
CharacteristicHandle: USHORT;
DescriptorType: TBthLeGattDescriptorType;
DescriptorUuid: TBthLeUuid;
AttributeHandle: USHORT;
end;
_BTH_LE_GATT_DESCRIPTOR = BTH_LE_GATT_DESCRIPTOR;
PBTH_LE_GATT_DESCRIPTOR = ^BTH_LE_GATT_DESCRIPTOR;
TBthLeGattDescriptor = BTH_LE_GATT_DESCRIPTOR;
PBthLeGattDescriptor = ^TBthLeGattDescriptor;
AuxGattDescriptorType = record
case BTH_LE_GATT_DESCRIPTOR_TYPE of
CharacteristicExtendedProperties: (
IsReliableWriteEnabled: BOOLEAN;
IsAuxiliariesWritable: BOOLEAN;
);
ClientCharacteristicConfiguration: (
IsSubscribeToNotification: BOOLEAN;
IsSubscribeToIndication: BOOLEAN;
);
ServerCharacteristicConfiguration: (IsBroadcast: BOOLEAN);
CharacteristicFormat: (
Format: UCHAR;
Exponent: ShortInt;
&Unit: TBthLeUuid;
NameSpace: UCHAR;
Description: TBthLeUuid;
);
end;
_BTH_LE_GATT_DESCRIPTOR_VALUE = record
DescriptorType: TBthLeGattDescriptorType;
DescriptorUuid: TBthLeUuid;
DescriptorInfo: AuxGattDescriptorType;
DataSize: ULONG;
Data: PByte;
end;
BTH_LE_GATT_DESCRIPTOR_VALUE = _BTH_LE_GATT_DESCRIPTOR_VALUE;
PBTH_LE_GATT_DESCRIPTOR_VALUE = ^BTH_LE_GATT_DESCRIPTOR_VALUE;
TBthLeGattDescriptorValue = BTH_LE_GATT_DESCRIPTOR_VALUE;
PBthLeGattDescriptorValue = ^TBthLeGattDescriptorValue;
BTH_LE_GATT_EVENT_TYPE = (
CharacteristicValueChangedEvent = 0
);
TBthLeGattEventType = BTH_LE_GATT_EVENT_TYPE;
{ Callback function signature for Bluetooth GATT events. }
type
PFNBLUETOOTH_GATT_EVENT_CALLBACK = procedure(
EventType: TBthLeGattEventType; EventOutParameter: Pointer;
Context: Pointer); cdecl;
PFnBluetoothGattEventCallback = PFNBLUETOOTH_GATT_EVENT_CALLBACK;
{ Structure associated with a CharacteristicValueChanged Event }
PBluetoothGattValueChangedEventRegistration = ^TBluetoothGattValueChangedEventRegistration;
BLUETOOTH_GATT_VALUE_CHANGED_EVENT_REGISTRATION = record
NumCharacteristics: USHORT;
Characteristics: array [0..0] of TBthLeGattCharacteristic;
end;
_BLUETOOTH_GATT_VALUE_CHANGED_EVENT_REGISTRATION = BLUETOOTH_GATT_VALUE_CHANGED_EVENT_REGISTRATION;
PBLUETOOTH_GATT_VALUE_CHANGED_EVENT_REGISTRATION = ^BLUETOOTH_GATT_VALUE_CHANGED_EVENT_REGISTRATION;
TBluetoothGattValueChangedEventRegistration = BLUETOOTH_GATT_VALUE_CHANGED_EVENT_REGISTRATION;
BLUETOOTH_GATT_VALUE_CHANGED_EVENT = record
ChangedAttributeHandle: USHORT;
CharacteristicValueDataSize: size_t;
CharacteristicValue: PBthLeGattCharacteristicValue;
end;
_BLUETOOTH_GATT_VALUE_CHANGED_EVENT = BLUETOOTH_GATT_VALUE_CHANGED_EVENT;
PBLUETOOTH_GATT_VALUE_CHANGED_EVENT = ^BLUETOOTH_GATT_VALUE_CHANGED_EVENT;
TBluetoothGattValueChangedEvent = BLUETOOTH_GATT_VALUE_CHANGED_EVENT;
PBluetoothGattValueChangedEvent = ^TBluetoothGattValueChangedEvent;
BTH_LE_GATT_RELIABLE_WRITE_CONTEXT = ULONG64;
PBTH_LE_GATT_RELIABLE_WRITE_CONTEXT = ^BTH_LE_GATT_RELIABLE_WRITE_CONTEXT;
TBthLeGattReliableWriteContext = BTH_LE_GATT_RELIABLE_WRITE_CONTEXT;
PBthLeGattReliableWriteContext = ^TBthLeGattReliableWriteContext;
function IsBthLEUuidMatch(uuid1: TBthLeUuid; uuid2: TBthLeUuid): Boolean; inline;
///////////////////////////////
///
/// End bthledef.h
///
///////////////////////////////
type
BTH_ADDR = UInt64;
BOOL = Longbool;
SYSTEMTIME = record
wYear : Word;
wMonth : Word;
wDayOfWeek : Word;
wDay : Word;
wHour : Word;
wMinute : Word;
wSecond : Word;
wMilliseconds : Word;
end;
BLUETOOTH_ADDRESS = record
case Integer of
0: (ullLong: BTH_ADDR);
1: (rgBytes: array [0..5] of Byte);
end;
BLUETOOTH_DEVICE_SEARCH_PARAMS = record
dwSize : DWORD;
fReturnAuthenticated : BOOL;
fReturnRemembered : BOOL;
fReturnUnknown : BOOL;
fReturnConnected : BOOL;
fIssueInquiry : BOOL;
cTimeoutMultiplier : Byte;
hRadio : THandle;
end;
BLUETOOTH_DEVICE_INFO = record
dwSize : DWORD;
Address : BLUETOOTH_ADDRESS;
ulClassofDevice : DWORD;
fConnected : BOOL;
fRemembered : BOOL;
fAuthenticated : BOOL;
stLastSeen : SYSTEMTIME;
stLastUsed : SYSTEMTIME;
szName : array[0..BLUETOOTH_MAX_NAME_SIZE-1] of WideChar;
end;
BLUETOOTH_FIND_RADIO_PARAMS = record
dwSize: DWORD;
end;
HBLUETOOTH_DEVICE_FIND = THandle;
// ces fonctions ne détectent pas le BLE
(*
The BluetoothFindFirstDevice function does not find Bluetooth Low Energy (LE) devices.
To access Bluetooth LE devices, use the Windows Runtime Bluetooth Low Energy APIs.
The Windows Runtime APIs for Bluetooth work in both UWP and classic desktop apps.
//*)
function BluetoothFindFirstDevice(const pbtsp: BLUETOOTH_DEVICE_SEARCH_PARAMS; var pbtdi: BLUETOOTH_DEVICE_INFO): HBLUETOOTH_DEVICE_FIND; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothFindFirstDevice;
function BluetoothFindNextDevice(hFind: HBLUETOOTH_DEVICE_FIND; var pbtdi: BLUETOOTH_DEVICE_INFO): BOOL; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothFindNextDevice;
function BluetoothFindDeviceClose(hFind: HBLUETOOTH_DEVICE_FIND): BOOL; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothFindDeviceClose;
function BluetoothRemoveDevice(const pAddress : BLUETOOTH_ADDRESS): BOOL; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothRemoveDevice;
//function BluetoothFindFirstRadio (const pbtfrp: BLUETOOTH_FIND_RADIO_PARAMS; phRadio: PHANDLE):external LIB_BluetoothAPIs name PROC_NAME_BluetoothFindFirstDevice;
///////////////////////////////
///
/// Start BluetoothLEAPIs.h
///
///////////////////////////////
function BluetoothGATTGetServices(hDevice: THandle; ServicesBufferCount : Word;
ServicesBuffer: PBthLeGattService; var ServicesBufferActual: Word; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTGetServices;
function BluetoothGATTGetIncludedServices(hDevice: THandle; ParentService: PBthLeGattService;
IncludedServicesBufferCount: Word; IncludedServicesBuffer: PBthLeGattService;
var IncludedServicesBufferActual: Word; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTGetIncludedServices;
function BluetoothGATTGetCharacteristics(hDevice: THandle; Service: PBthLeGattService;
CharacteristicsBufferCount : Word; CharacteristicsBuffer: PBthLeGattCharacteristic;
var CharacteristicsBufferActual : Word; Flags : Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTGetCharacteristics;
function BluetoothGATTGetDescriptors(hDevice: THandle; var Characteristic: TBthLeGattCharacteristic;
DescriptorsBufferCount: Word; DescriptorsBuffer: PBthLeGattDescriptor;
var DescriptorsBufferActual: Word; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTGetDescriptors;
function BluetoothGATTGetCharacteristicValue(hDevice: THandle; var Characteristic: TBthLeGattCharacteristic;
CharacteristicValueDataSize: Cardinal; CharacteristicValue: PBthLeGattCharacteristicValue;
CharacteristicValueSizeRequired: PWord; Flags: ULONG): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTGetCharacteristicValue;
function BluetoothGATTGetDescriptorValue(hDevice: THandle; var Descriptor: TBthLeGattDescriptor;
DescriptorValueDataSize: Cardinal; DescriptorValue: PBthLeGattDescriptorValue;
DescriptorValueSizeRequired: PWord; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTGetDescriptorValue;
function BluetoothGATTBeginReliableWrite(hDevice: THandle; var ReliableWriteContext: TBthLeGattReliableWriteContext; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTBeginReliableWrite;
function BluetoothGATTEndReliableWrite(hDevice: THandle; ReliableWriteContext: TBthLeGattReliableWriteContext; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTEndReliableWrite;
function BluetoothGATTAbortReliableWrite(hDevice: THandle; ReliableWriteContext: TBthLeGattReliableWriteContext; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTAbortReliableWrite;
function BluetoothGATTSetCharacteristicValue(hDevice: THandle; var Characteristic: TBthLeGattCharacteristic;
CharacteristicValue: PBthLeGattCharacteristicValue; ReliableWriteContext: TBthLeGattReliableWriteContext;
Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTSetCharacteristicValue;
function BluetoothGATTSetDescriptorValue(hDevice: THandle; var Descriptor: TBthLeGattDescriptor;
DescriptorValue: PBthLeGattDescriptorValue; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTSetDescriptorValue;
function BluetoothGATTRegisterEvent(hService: THandle; EventType: TBthLeGattEventType; EventParameterIn: Pointer;
Callback: PFnBluetoothGattEventCallback; CallbackContext: Pointer;
var EventHandle: TBluetoothGattEventHandle; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTRegisterEvent;
function BluetoothGATTUnregisterEvent(EventHandle: TBluetoothGattEventHandle; Flags: Cardinal): HRESULT; stdcall;
external LIB_BluetoothAPIs name PROC_NAME_BluetoothGATTUnregisterEvent;
///////////////////////////////
///
/// End BluetoothLEAPIs.h
///
///////////////////////////////
implementation
uses
SysUtils;
function BTH_LE_GAP_APPEARANCE_GET_CATEGORY(a: Cardinal): Cardinal;
begin
Result := (a shr BTH_LE_GAP_APPEARANCE_CATEGORY_OFFSET) and BTH_LE_GAP_APPEARANCE_CATEGORY_MASK;
end;
function BTH_LE_GAP_APPEARANCE_GET_SUB_CATEGORY(a: Cardinal): Byte;
begin
Result := a and BTH_LE_GAP_APPEARANCE_SUB_CATEGORY_MASK;
end;
function IS_BLUETOOTH_GATT_FLAG_VALID(f: Cardinal): Boolean;
begin
Result := (f and not BLUETOOTH_GATT_FLAG_VALID_MASK) = 0;
end;
function IsBthLEUuidMatch(uuid1: TBthLeUuid; uuid2: TBthLeUuid): Boolean;
var
tempLongUuid: TBthLeUuid;
function IsSameLongUUID(const LU1, LU2: TGUID): boolean;
var
EWE1, EWE2: TBytes;
i: Integer;
begin
// Comparaison en mode ACBM (abruti, con, bête et méchant)
EWE1 := LU1.ToByteArray();
EWE2 := LU2.ToByteArray();
if (high(EWE1) <> high(EWE2)) then exit(false); // longueurs différentes ? OK je sors
Result := True;
for i := 0 to High(EWE1) do
begin
if (EWE1[i] = EWE1[i]) then
Result := Result AND True
else // lazy eval
exit(False);
end;
end;
begin
Result := False;
tempLongUuid := Default(TBthLeUuid);
tempLongUuid.IsShortUuid := False;
tempLongUuid.LongUuid := BTH_LE_ATT_BLUETOOTH_BASE_GUID;
if (uuid1.IsShortUuid and uuid2.IsShortUuid) then
Result := uuid1.ShortUuid = uuid2.ShortUuid
else if ((not uuid1.IsShortUuid) and (not uuid2.IsShortUuid)) then
Result := IsSameLongUUID(uuid1.LongUuid, uuid2.LongUuid)
else if (uuid1.IsShortUuid) then
begin
Inc(tempLongUuid.LongUuid.D1, uuid1.ShortUuid);
Result := IsSameLongUUID(tempLongUuid.LongUuid, uuid2.LongUuid);
end
else if (uuid2.IsShortUuid) then
begin
Inc(tempLongUuid.LongUuid.D1, uuid2.ShortUuid);
Result := IsSameLongUUID(tempLongUuid.LongUuid, uuid1.LongUuid);
end;
end;
end. |
Lazarus et Bluetooth LE: Sans exemples = hard ++++
Lazarus et Bluetooth LE: Sans exemples = hard ++++
J'avance un peu dans le Bluetooth LE:
La fonction BluetoothFindFirstRadio(pbtfrp, phRadio) retourne le handle du dongle BT s'il est trouvé (si je retire ce dongle, cette fonction retourne 0)
Je cherche maintenant à récupérer les caractéristiques du dongle ...
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function TBRIC4.ListerLesDevices(): DWORD;
var
phRadio: HANDLE;
pbtfrp: PBlueToothFindRadioParams;
PRadioInfo: BLUETOOTH_RADIO_INFO;
NbDevicesFound: Integer;
EWE: DWORD;
STR: string;
RName: WideString;
BTA, BTO: Int64;
begin
AfficherMessageErreur(format('%s.ListerLesDevices()', [ClassName]));
{$IFDEF MSWINDOWS}
result := 0;
phRadio := 0;
New(pbtfrp);
pbtfrp^.dwSize := SizeOf(BLUETOOTH_FIND_RADIO_PARAMS);
AfficherMessageErreur(format('size of BLUETOOTH_FIND_RADIO_PARAMS = %d', [pbtfrp.dwSize]));
FHandleBTAdapterFound := BluetoothFindFirstRadio(pbtfrp, phRadio);
AfficherMessageErreur(format('Handle : %d - phRadio = %d', [FHandleBTAdapterFound, phRadio]));
if (FHandleBTAdapterFound <> 0) then
begin
NbDevicesFound := 0;
AfficherMessageErreur('Adaptateur BT reconnu - Liste des devices:');
repeat
NbDevicesFound +=1;
EWE := BluetoothGetRadioInfo(phRadio, PRadioInfo);
BTA := Int64(PRadioInfo.address.ullLong);
STR := BTAddressToStr(BTA);
BTO := StrtoBTaddress(STR);
RName := WideString(PRadioInfo.szName);
AfficherMessageErreur(format(' Device %d: (%X = %s = %X) - %s', [
NbDevicesFound,
BTA, STR, BTO,
RName]));
until (not BluetoothFindNextRadio(FHandleBTAdapterFound, phRadio));
AfficherMessageErreur('===========');
BluetoothFindRadioClose(FHandleBTAdapterFound);
AfficherMessageErreur(format('Adapter BT reconnu (handle: 0x%X)', [FHandleBTAdapterFound]));
end else
begin
AfficherMessageErreur('Adapter BT not found');
end;
Result := GetLastError;
{$ENDIF MSWINDOWS}
{$ifdef LINUX}
{$endif LINUX}
AfficherMessageErreur(format('Erreur: %d', [GetLastError]));
AfficherMessageErreur('');
end; |
Je suis d'ailleurs surpris qu'il n'y ait pas encore de composant Bluetooth ...
