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== HID Interface ==

== HID Interface ==

Establishing a HID connection can be done on PSM 0x11 for writing and PSM 0x13 for reading using the Bluetooth L2CAP protocol.

Establishing a HID connection can be done on PSM 0x11 for writing and PSM 0x13 for reading using the Bluetooth L2CAP protocol. On Windows you don't need to deal with L2CAP yourself, and can use high-level windows HID functions.

The HID standard allows devices to be self-describing, using a HID descriptor block. This block includes an enumeration of reports that the device understands. A report can be thought of similar to a network port assigned to a particular service. Reports are unidirectional however, and the HID descriptor lists for each port the direction (Input or Output) and the payload size for each port. Like all Bluetooth HID devices, the Wii Remote reports its HID descriptor block when queried using the SDP protocol. However, no information regarding the actual data units within each report is returned, only the length in bytes.

The HID standard allows devices to be self-describing, using a HID descriptor block. This block includes an enumeration of reports that the device understands. A report can be thought of similar to a network port assigned to a particular service. Reports are unidirectional however, and the HID descriptor lists for each port the direction (Input or Output) and the payload size for each port. Like all Bluetooth HID devices, the Wii Remote reports its HID descriptor block when queried using the SDP protocol. However, no information regarding the actual data units within each report is returned, only the length in bytes.