No
. 96-1886-01E
Rev
.
1.1
GTECH Aircon Radio (Model GWT154)
PAGE
39
OF
72
The Host CPU must implement a fail-safe timeout in the event it does not receive a response from the
Radio.
Bits:
7 6 5 4 3 2 1 0
Field: Ack. Res.
Code
Command Dir
Structure 8: Coordinator Command Byte
Bit 7:
Acknowledge, command packets sent from the Host CPU to the Radio should
always set the Acknowledge bit to zero(0).
The Radio is to respond to all configuration writes (odd code values) with either Acknowledge set
to one(1) indicating success, or zero(0), if the Parameter(s) failed to be set as requested or the
action failed.
The Radio is to reply to all configuration reads (even code values) with either Acknowledge set to
one(1) indicating valid Parameters in the Parameter field, or zero(0) indicating the Parameter field
is invalid.
Note: a zero(0) Acknowledge may be normal for a Parameter request like Join Request.
Bit 6:
Reserved, should be set to zero(0).
Bits 5 to 1:
Radio configuration commands, see
Error! Reference source not found.
below.
Bit 0:
Direction, when zero(0) the command packet is requesting Parameters from the
Radio be sent to the Host CPU. When one(1) the command packet is writing Parameters from the
Host CPU to the Radio.
Code Name
Length Parameters
Description
0x00 Status
18
Status
Gets
current
radio configuration and status
parameters
0x01 Mode
1
Mode
Initializes
and
configures the radio’s operating
modes
0x02 Get
Channels
5
Bit mask
Retrieve the current 802.15.4 Channel Mask.
0x03 Set
Channels
5
Bit mask
Set the 802.15.4 Channel mask and default
Channel.
0x04 Get
PAN-ID
2
ID
Get Coordinator’s PAN ID
0x05 Set
PAN-ID
2
ID
Set Coordinator’s PAN ID
0x06 Get Energy Scan 16
RSSI per
Channel
Radio’s reply to energy scan of all Channels
of the 2.4GHz 802.15.4 band
0x07 Set Energy Scan
0
0
Start energy scan on all 802.15.4 Channels.
0x08 Get PAN Scan
Variable PAN
Coordinators
List of PAN Descriptors retrieved from Active
scan.