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mention tx power in the readme

pull/13040/head
Paul Szczeanek 2020-06-03 18:52:45 +01:00
parent 056f46d629
commit fe98309063
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6
features/FEATURE_BLE/targets/TARGET_CORDIO/doc/HCIAbstraction.md
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@ -46,3 +46,9 @@ specific to the controller used.
The driver also provides an interface to perform RF testing on the BLE trasnmitter. The driver also provides an interface to perform RF testing on the BLE trasnmitter.
This is done using the LE Receiver/Transmitter Test command and LE Test End command This is done using the LE Receiver/Transmitter Test command and LE Test End command
as described in the Bluetooth Core spec in Vol.2, Part E, 7.8.28-30. as described in the Bluetooth Core spec in Vol.2, Part E, 7.8.28-30.
The driver allows to set preferred TX power. This is an optional feature
(check return code) and the support for it and the extent of control is
down to the BLE chip. Chips may have different allowed values, although the
command will pick the closest value no smaller than requested. Please refer
to the controller code or BLE chip documentation.