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Update frequency calculations

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This commit is contained in:
Mygod
2021-05-29 18:31:47 -04:00
parent a65891b44f
commit 396ac1fe07
1 changed files with 10 additions and 7 deletions
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17
mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/SoftApConfigurationCompat.kt
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@@ -72,7 +72,8 @@ data class SoftApConfigurationCompat(
/**
* Based on:
* https://elixir.bootlin.com/linux/v5.7.6/source/net/wireless/util.c#L75
* https://elixir.bootlin.com/linux/v5.12.8/source/net/wireless/util.c#L75
* TODO: update for Android 12
* https://cs.android.com/android/platform/superproject/+/master:frameworks/base/wifi/java/android/net/wifi/ScanResult.java;l=624;drc=f7ccda05642b55700d67a288462bada488fc7f5e
*/
fun channelToFrequency(band: Int, chan: Int) = when (band) {
@@ -86,10 +87,11 @@ data class SoftApConfigurationCompat(
in 1..Int.MAX_VALUE -> 5000 + chan * 5
else -> throw IllegalArgumentException("Invalid 5GHz channel $chan")
}
// TODO: update for Android 12
BAND_6GHZ -> if (chan in 1..253) {
5940 + chan * 5
} else throw IllegalArgumentException("Invalid 6GHz channel $chan")
BAND_6GHZ -> when (chan) {
2 -> 5935
in 1..233 -> 5950 + chan * 5
else -> throw IllegalArgumentException("Invalid 6GHz channel $chan")
}
BAND_60GHZ -> if (chan in 1 until 7) {
56160 + chan * 2160
} else throw IllegalArgumentException("Invalid 60GHz channel $chan")
@@ -99,8 +101,9 @@ data class SoftApConfigurationCompat(
2484 -> 14
in Int.MIN_VALUE until 2484 -> (freq - 2407) / 5
in 4910..4980 -> (freq - 4000) / 5
in Int.MIN_VALUE until 5945 -> (freq - 5000) / 5
in Int.MIN_VALUE..45000 -> (freq - 5940) / 5
in Int.MIN_VALUE until 5925 -> (freq - 5000) / 5
5935 -> 2
in Int.MIN_VALUE..45000 -> (freq - 5950) / 5
in 58320..70200 -> (freq - 56160) / 2160
else -> throw IllegalArgumentException("Invalid frequency $freq")
}