Technical Manual

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

6. Command

All printable characters can be entered directly via the keyboard. Any non-printable characters

are entered in binary data format.

Binary data format:

Any non seven-bit ASCII data to be transmitted to the module will be encoded in the internet

'percent' notation. Any hex byte to be transmitted is preceded by the '%' sign and encoded in hex

ASCII. Thus, to send the value 0xF5, the following bytes would be transmitted: "%F5". To

send the '%' character is always transmitted as "%25". Thus, a Bluetooth address 'could' be

transmitted as "%00%E0%03%45%F4%6D".

Generic format:

<command character> is one character from the set: [A-Z]

<command type> is one character for the set: [0-9]

<command payload> is variable in length.

<CR> is the command terminator.

The <command payload> is formed from printable ASCII characters from the code range 0x20

to 0x7E. Codes outside of this range are escaped using the percent (%) character followed by two

hexadecimal digits.

The percent character is always represented by the three characters: %25

The command terminator is character code 0x13 (carriage return), or character code 0x10 (line

feed), or character codes 0x13, 0x10 (carriage return, line feed)

An example command to set the friendly name to "Len's 100% serial module":

F0Len's 100%25 serial module<CR>

Character codes outside of the range of 0x20 to 0x7E are ignored.

When using percent (%) to form hexadecimal character codes there must be exactly two hex

digits using characters: [0-9, A-F, a-f].

Characters outside of this range cause the command to fail.

Commands that fail return the four character sequence: NAK<CR>

Commands that are accepted return the four character sequence: ACK<CR>