RN4677 datasheet(17/31 Pages) MICROCHIP

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Command Reference

 2015 Microchip Technology Inc.

DS50002377A-page 17

2.3.4

SE,<H16>

This command only applies to Bluetooth Classic.

This command sets the universally unique identifier (UUID) for service discovery

process. It only supports standard 16-bit UUID.

Default:

1101

Example:

2.3.5

SF,1

This command restores the device to the factory defaults.

Example:

2.3.6

SG,<0-2>

This command changes Bluetooth modes between Classic 2.1 + EDR (SPP) and Low

Energy 4.0. It accepts one parameter with the following values:

2.3.7

SI,<H16>

This command only applies to Bluetooth Classic.

The Inquiry Scan Window command sets the length of time the device spends enabling

an inquiry scan (discoverability). The minimum value is 0x0012, corresponding to

about a 1% duty cycle. The page scan interval is fixed at 0x1000. The default window

is 0x0100. The maximum value is 0x0800. Set this parameter to 0x0000 to disable

inquiry scanning and render the device undiscoverable. If the host already made the

pairing, the inquiry scan is not used.

Default:

0100

Example:

2.3.8

SJ,<H16>

This command only applies to Bluetooth Classic.

The Page Scan Window command sets the amount of time the device spends enabling

page scanning (connectable). The minimum value is 0x0012, which corresponds to

about a 1% duty cycle. The page scan interval is fixed at 0x1000. The default window

is 0x0100. The maximum value is 0x800. Set this option to 0x0000 to disable page

scanning and render the device nonconnectable.

Default:

0100

Example:

SE,1101

// Set UUID for serial port

SF,1

// Restore factory defaults

Parameter Value

Bluetooth Mode

Dual mode

Only Bluetooth Low Energy

Only Bluetooth Classic

SI,0200

// Set inquiry scan window to 0x0200

SJ,0200

// Set the page scan window to 0x0200

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