Datasheet

Page 157 of 161
nRF8001 Product Specification
Revision 1.2
27.4 DataAckEvent (0x8B)
DataAckEvent indicates reception of data by the peer device
27.4.1 Functional description
This event is sent from nRF8001 to the application controller when an acknowledgment is received from
the peer device in response to data sent to it.
27.4.2 Message format
Table 113. ACI message structure for DataAckEvent
27.4.3 Returned values
Table 114. Returned values for DataAckEvent
27.4.4 Bluetooth low energy procedures used
None
Message field/parameter
Value size
(bytes)
Data value Description
Header
Length 1 2 Packet length
Event 1 0x8B
DataAckEvent
Content
ServicePipeNumber 1 Pipe number of the pipe on
which the Ack was received
Parameter Data value Description
ServicePipeNumber
1..62 Refers to a valid pipe number listed in the OpenPipes
bitmap returned in the
PipeStatusEvent