Bluetooth OS IOCTLs (Windows CE 5.0)
The following table shows the Bluetooth IOCTLs for the Audio Gateway Service with a description of the purpose of each.
| Programming element | Description |
|---|---|
| IOCTL_AG_CLOSE_AUDIO | Closes the currently open audio connection to the headset or the hands-free device. |
| IOCTL_AG_CLOSE_CONTROL | Closes the currently open service level connection to the Audio Gateway. |
| IOCTL_AG_GET_MIC_VOL | Retrieves the microphone volume. |
| IOCTL_AG_GET_SPEAKER_VOL | Retrieves the speaker volume. |
| IOCTL_AG_OPEN_AUDIO | Opens an audio connection to the headset or the hands-free device. |
| IOCTL_AG_OPEN_CONTROL | Opens a service level connection to the peer device. |
| IOCTL_AG_SET_MIC_VOL | Sets the microphone volume. |
| IOCTL_AG_SET_SPEAKER_VOL | Sets the speaker volume. |
The following table shows the Bluetooth IOCTLs for the Human Interface Device (HID) Profile with a description of the purpose of each.
| Programming element | Description |
|---|---|
| BTHHID_IOCTL_HIDConnect | Connects the HID class driver on the host to the peer device. |
| BTHHID_IOCTL_HIDDisconnect | Disconnects the HID class driver on the host from the peer device. |
See Also
Bluetooth OS Reference | Bluetooth OS Design Development | Audio Gateway Core Component
Send Feedback on this topic to the authors