User's Manual
Enhanced Class 1 Bluetooth v2.1 Module
User’s Guide
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68
CONN-GUIDE-BT740_v0.2
Response Packet
Offset
Field
Value
Comments
6..9
REGVAL[]
Register Value
REGVAL[0] is the most
significant octet.
8.10.2 Write ‘S’ Register
This command writes a new value to the S register REGNO.
See the S Registers section for a full list of all registers.
Command Packet
Offset
Field
Value
Comments
0
LENGTH
9
Fixed
1
CHANNEL
0
Fixed
2
COMMAND
[CMD_WRITE_SREG]
3
FLOW_IN
??
Runtime value
4
REGNO
0 to 255
5..8
REGVAL[]
New Register Value
REGVAL[0] is the most significant octet.
Response Packet
Offset
Field
Value
Comments
0
LENGTH
10
1
CHANNEL
0
2
COMMAND
[CMD_WRITE_SREG]
3
FLOW_OUT
??
Runtime value
4
STATUS
As appropriate
5
REGNO
0 to 255
Echoed from Command
6..9
REGVAL[]
Register Value
REGVAL[0] is the most significant octet.
8.10.3 Store ‘S’ Registers
This command saves the current ‘S’ register values in cache into the non-volatile memory so that they
survive a power cycle.
Command Packet
Offset
Field
Value
Comments
0
LENGTH
4
Fixed
1
CHANNEL
0
Fixed
2
COMMAND
[CMD_STORE_SREG]
3
FLOW_IN
??
Runtime value