Multitech MTS2BTA-R User Manual download pdf (Page 46)

Chapter 2 – AT Commands

Multi-Tech Systems, Inc. SocketWireless Bluetooth AT Commands (S000360H) 46

PIO Logic Commands

SSW,4 Set PIO Logic

This command sets the PIO logic register state. When set to 0, the PIOs (2,5,6 & 7) will be active

high. When set to 1, the PIOs will normally be high and then go low when a connection occurs.

Format: ATSSW,4,<PIO Logic>

Parameters:

PIO Logic:

0 = (0 = No Connection, +3.3v = Connection)

1 = (+3.3v = No Connection, 0 = Connection)

Factory Default: 0

EXAMPLE:

TYPE: ATSSW,4,1<cr>

REPLY: <cr_lf>OK<cr_lf>

<cr_lf>ERROR<cr_lf>

Read Using: ATRSW,4

Note: Requires a reset for change to take affect.

RSW,4 Read PIO Logic

This command sets the PIO logic register state.

Format: ATRSW,4

Return Parameters: <PIO Logic>

EXAMPLE:

TYPE: ATRSW,4<cr>

REPLY: <cr_lf>OK<cr_lf>

<cr_lf>00<cr_lf>

Set Using: ATSSW,4

Transmitting on Specific Channel Only Command

SWC Select Transmission Channel

This command allows the user to select a single channel to transmit on in multi-point mode. The

device can still receive data from any of the other three channels.

Format: ATSWC,<Select>,<Channel>

Parameters: Select:

0 = Deselect the channel as the current transmission channel

1 = Select the channel as the current transmission channel

Channel: 0-3

EXAMPLE:

TYPE: ATSWC,1,0<cr>

REPLY: <cr_lf>OK<cr_lf>

<cr_lf>ERROR<cr_lf>

Read Using: ATSI,21

Note: If the selected channel is disconnected the radio will default to

transmitting on all channels.

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Multitech MTS2BTA-R User Manual Page 46

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