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Clarify the start and end of scan intervals

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Update the documentation of NetworkScanRequest to clarify
that the interval between scans is from the completion of
one scan to the start of another. This is the only possible
definition that doesn't possibly result in back-to-back
scans which never complete.

In the initial design of this API, the stated use case was
for scans where "interval" >> "scan duration". For that
use case, this clarification doesn't make a meaningful
difference; however, for the use case of long-duration
scans, the distinction prevents the issue stated above.

Bug: 139935383
Test: compilation (docstring-only change)
Change-Id: Ib8393110bfd3ea883045648ee7dac9c6e6a32d44
This commit is contained in:
Nathan Harold
2019-09-26 13:20:21 -07:00
parent c048c187be
commit 3b685a8ac8
2 changed files with 3 additions and 1 deletions
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1
current.txt
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@@ -576,5 +576,6 @@ b69a7615c508acf5c5201efd1bfa3262167874fc3594e2db5a3ff93addd8ac75 android.hardwar
eb2fa0c883c2185d514be0b84c179b283753ef0c1b77b45b4f359bd23bba8b75 android.hardware.neuralnetworks@1.0::IPreparedModel
fb382e986c10b8fbb797a8546e8f9ea6d1107bfe6f3fb7e57f6bbbf1f807a906 android.hardware.neuralnetworks@1.2::IDevice
40e71cd693de5b832325c5d8f081f2ff20a7ba2b89d401cee5b4b3eb0e241681 android.hardware.neuralnetworks@1.2::IPreparedModel
a785a57447a81e9c130eef6904c3a5c256076c6a04588c40620ebd6fa2660d77 android.hardware.radio@1.2::types
1a6e2bd289f22931c526b21916910f1d4c436b7acb9556e4243de4ce8e6cc2e4 android.hardware.soundtrigger@2.0::ISoundTriggerHwCallback
fd65298e1e09e0e3c781ab18305920d757dbe55a3b459ce17814ec5cf6dfee99 android.hardware.wifi@1.0::IWifiP2pIface

3
radio/1.2/types.hal
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@@ -161,7 +161,8 @@ struct NetworkScanRequest {
ScanType type;
/**
* Time interval in seconds between periodic scans, only valid when type = PERIODIC
* Time interval in seconds between the completion of one scan and the start of a subsequent scan.
* This field is only valid when 'type' is 'PERIODIC'.
* Range: ScanIntervalRange:MIN to ScanIntervalRange:MAX
*/
int32_t interval;