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Jam-detection: Add new debug property to get the history bitmap (#1033)

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This commit adds support to get history-bitmap value from
jam-detection module. It also adds a corresponding spinel property
and a get handler for the new property in `NcpBase`.

The history bitmap provides information about current state of jamming
detection module for monitoring/debugging purpose. It returns a 64-bit
value where each bit corresponds to one second interval starting with
bit 0 for the most recent interval and bit 63 for the oldest intervals
(63 sec earlier). The bit is set to 1 if the jamming detection module
observed/detected high signal level during the corresponding one second
interval.
This commit is contained in:
Abtin Keshavarzian
2016-12-01 21:27:34 -08:00
committed by Jonathan Hui
parent 646d9e2f19
commit 78462001e1
7 changed files with 85 additions and 0 deletions
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doc/spinel-protocol-src/spinel-feature-jam-detect.md
+17
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@@ -81,3 +81,20 @@ the detection window where the RSSI must be above
The behavior of the jamming detection feature when `PROP_JAM_DETECT_BUSY`
is larger than `PROP_JAM_DETECT_WINDOW` is undefined.
### PROP 4613: SPINEL_PROP_JAM_DETECT_HISTORY_BITMAP
* Type: Read-Only
* Packed-Encoding: `LL`
* Default Value: Implementation-specific
* RECOMMENDED for `CAP_JAM_DETECT`
This value provides information about current state of jamming detection
module for monitoring/debugging purpose. It returns a 64-bit value where
each bit corresponds to one second interval starting with bit 0 for the
most recent interval and bit 63 for the oldest intervals (63 sec earlier).
The bit is set to 1 if the jamming detection module observed/detected
high signal level during the corresponding one second interval.
The value is read-only and is encoded as two `L` (uint32) values in
little-endian format (first `L` (uint32) value gives the lower bits
corresponding to more recent history).