39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
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package ble
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// DefaultMTU defines the default MTU of ATT protocol including 3 bytes of ATT header.
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const DefaultMTU = 23
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// MaxMTU is maximum of ATT_MTU, which is 512 bytes of value length, plus 3 bytes of ATT header.
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// The maximum length of an attribute value shall be 512 octets [Vol 3, Part F, 3.2.9]
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const MaxMTU = 512 + 3
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// Data Length Extension (DLE) to increase Data Channel Protocol Data Unit (PDU).
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// This feature is requested during hci init.
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const MaxOctsDLE = 251
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const MaxTimeDLE = 2120
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// UUIDs ...
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var (
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GAPUUID = UUID16(0x1800) // Generic Access
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GATTUUID = UUID16(0x1801) // Generic Attribute
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CurrentTimeUUID = UUID16(0x1805) // Current Time Service
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DeviceInfoUUID = UUID16(0x180A) // Device Information
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BatteryUUID = UUID16(0x180F) // Battery Service
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HIDUUID = UUID16(0x1812) // Human Interface Device
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PrimaryServiceUUID = UUID16(0x2800)
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SecondaryServiceUUID = UUID16(0x2801)
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IncludeUUID = UUID16(0x2802)
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CharacteristicUUID = UUID16(0x2803)
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ClientCharacteristicConfigUUID = UUID16(0x2902)
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ServerCharacteristicConfigUUID = UUID16(0x2903)
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DeviceNameUUID = UUID16(0x2A00)
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AppearanceUUID = UUID16(0x2A01)
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PeripheralPrivacyUUID = UUID16(0x2A02)
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ReconnectionAddrUUID = UUID16(0x2A03)
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PeferredParamsUUID = UUID16(0x2A04)
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ServiceChangedUUID = UUID16(0x2A05)
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)
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