RN4677 datasheet(26/31 Pages) MICROCHIP

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RN4677 Bluetooth® 4.0 Dual Mode Module User’s Guide

DS50002377A-page 26

 2015 Microchip Technology Inc.

2.5.11

CFR

This command causes the device to connect and immediately go into Fast Data mode

using the stored remote address.

Example:

2.5.12

F,<0, 1>

This command puts the RN4677 into Fast Data mode.

If the parameter is 1, Fast Data mode is enabled; otherwise, Fast Data mode is dis-

abled. Fast Data mode improves data transfer throughput by disabling check for

escape characters to enter Command mode.

When RN4677 is connected to another device, enabling Fast Data mode exits Com-

mand mode immediately and puts the device into Fast Data mode; when RN4677 is

not connected to another device, enabling Fast Data mode puts RN4677 into Fast Data

mode once it connects to another device.

Example:

2.5.13

The Help command displays a list of commands and their basic syntax.

Example:

2.5.14

I,<value 1>,<value 2>

This command only applies to Bluetooth Classic.

This command performs an inquiry scan, where <value 1> is the scan time in seconds

and <value 2> is the optional COD of the device class being scanned. The default time

is 10 seconds, and the maximum is 48 seconds. If <value 2> is unused or set to 0, the

device looks for all device classes. When entering a COD, all six hex characters must

be provided. For example, enter 0040F0 for COD 0x40F0 value. The scan returns a

maximum of nine devices. As devices are found, they are displayed in the following

format:

00A053000123,MySerial-Port,72010C

Default:

10 seconds, no COD

Example:

2.5.15

IL[,<H8>,<H16>,<H16>]

This command only applies to BLE.

This command scans the neighborhood for BLE devices. This command can take up

to three parameters.

CFR

Note: Once in Fast Data mode, it is impossible to enter Command mode unless

the remote side drops the connection or hardware Reset is invoked to

reboot the module.

F,1

// Leave Command mode and enter Fast Data mode

// Display help

I,20,0040F0

// Scan for 20 seconds using the COD 0x40F0

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