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[radio] remove transmit power config from core (#2352)

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Thread (and OpenThread) does not employ any form of transmit power control.
As a result, while OpenThread provides APIs to control transmit power, it
simply buffers and passes the transmit power value straight through to the
radio.

Currently, the transmit power APIs allow specifying an int8_t in units of
dBm.  This is overly constraining for platforms that have more advanced ways
of configuring the transmit power.

This commit removes the transmit power configuration from the core.  This
provides better flexibility in platform-specific ways to configure transmit
power.
This commit is contained in:
Jonathan Hui
2017-11-28 17:33:32 +00:00
committed by GitHub
parent 8bd588301e
commit 741941e271
38 changed files with 302 additions and 196 deletions
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doc/spinel-protocol-src/spinel-prop-core.md
+1 -6
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@@ -465,7 +465,7 @@ The frame metadata field consists of the following fields:
Field | Description | Type | Len | Default
:--------|:-----------------------------|:-----------|-------|----------
MD_POWER | (dBm) RSSI/TX-Power | `c` int8 | 1 | -128
MD_RSSI | (dBm) RSSI | `c` int8 | 1 | -128
MD_NOISE | (dBm) Noise floor | `c` int8 | 1 | -128
MD_FLAG | Flags (defined below) | `S` uint16 | 2 |
MD_PHY | PHY-specific data | `d` data | >=2 |
@@ -477,11 +477,6 @@ the host:
* MD_NOISE
* MD_FLAG
When specifying `MD_POWER` for a packet to be transmitted, the actual
transmit power is never larger than the current value of `PROP_PHY_TX_POWER`
((#prop-phy-tx-power)). When left unspecified (or set to the value -128),
an appropriate transmit power will be chosen by the NCP.
The bit values in `MD_FLAG` are defined as follows:
Bit | Mask | Name | Description if set