XStream™
OEM
RF
Module
–
Product
Manual
v5.x00
[2006.02.24]
FH (Force Wake-up Initializer) Command
AT Command: ATFH
Binary Command: 0x0D (13 decimal)
<Sleep (Low Power)> FH Command is used to
force a Wake-up Initializer to be sent on the next
transmission. WR (Write) Command does not
need to be issued with FH Command.
Use only with cyclic sleep modes active on remote modules.
FL (Software Flow Control) Command
AT Command: ATFL
Binary Command: 0x07 (7 decimal)
Parameter Range: 0 – 1
Parameter
Configuration
0
Disable software
flow control
1
Enable software
flow control
Default Parameter Value: 0
Number of bytes returned: 1
<Serial Interfacing> FL Command is used to
configure of module with software flow control.
Hardware flow control is implemented with the
XStream Module as the DO2 pin (
), which
regulates when serial data can be transferred to
the module. FL Command is used to allow
software flow control. XON character used is
0x11 (17 decimal). XOFF character used is 0x13
(19 decimal).
FT (Flow Control Threshold) Command
AT Command: ATFT
Binary Command: 0x24 (36 decimal)
<Serial Interfacing> Set/Read the flow control
threshold. When FT bytes have accumulated in
the DI buffer,
is de-asserted or the XOFF
software flow control character is transmitted.
Parameter Range: 0 – 0xFF [bytes]
(Maximum value equals the receiving module
DO buffer size minus 0x11 bytes)
Default Parameter Value: Receiving module DO
Buffer size minus 0x11
Number of bytes returned: 2
Minimum Firmware Version Required: 4.27B
GD (Receive Good Count) Command
<Diagnostics> Set/Read the count of good
received RF packets. Parameter value is reset to
0 after every reset and is not non-volatile (value
does not persist in the module’s memory after a
power-up sequence). Once the “Receive Good
Count” reaches its maximum value (up to
0xFFFF), it remains at its maximum count value
until the maximum count value is manually changed or the module is reset.
AT Command: ATGD
Binary Command: 0x10 (16 decimal)
Parameter Range: 0 – 0xFFFF
Default Parameter Value: 0
Number of bytes returned: 2
Related Commands: ER (Receive Error Count)
HP (Hopping Channel) Command
<Networking & Security> HP Command is used
to set the module hopping channel number. A
channel is one of three layers of addressing
available to the module. In order for modules to
communicate with each other, the modules must
have the same channel number since each
network uses a different hopping sequence.
Different channels can be used to prevent
modules in one network from listening to transmissions of another.
AT Command: ATHP
Binary Command: 0x11 (17 decimal)
Parameter Range: 0 – 6
Default Parameter Value: 0
Number of bytes returned: 1
Related Commands: DT (Destination Address),
ID (Module VID), MK (Address Mask)
©
2006
MaxStream,
Inc.
Confidential
and
Proprietary
25
electronic components distributor
