BT740 Development Kit
Quick Start Guide
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8
Laird Technologies
C
ONVERT
P
ROTOCOL
Convert from AT to MP mode
The S Register (9255) is to set the protocol mode. Send
“ATS9255=1”
and power cycle the module to put it
in MP mode (
Figure 20
and
Figure 20
).
Figure 20: S Register (9255) for protocol mode
Figure 21: MpBTHost – MP mode
Convert from MP to AT mode
There is an S register (0xFF) to set the protocol mode (
Figure 22
).
255 (FF)
1
2
Host Communications Protocol
1 = Multipoint Packet Protocol
2 = AT Protocol
Automatically saved to non-vol memory on write