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Code Issues Packages Projects Releases 6 Wiki Activity

Use device capabilities to identify radio band (#104)

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This commit is contained in:
RockyMandayam2
2022-10-13 19:05:05 -07:00
committed by GitHub
parent 8171cc74ae
commit 6df81b7fef
19 changed files with 602 additions and 125 deletions
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2
lib-cloudsdk/src/main/java/com/facebook/openwifi/cloudsdk/UCentralConstants.java
View File

@@ -22,7 +22,7 @@ public final class UCentralConstants {
public static final String BAND_2G = "2G";
/** String of the 5 GHz band */
public static final String BAND_5G = "5G";
/** List of all bands */
/** List of all bands ordered from lowest to highest */
public static final List<String> BANDS = Collections
.unmodifiableList(Arrays.asList(BAND_2G, BAND_5G));

38
lib-cloudsdk/src/main/java/com/facebook/openwifi/cloudsdk/UCentralUtils.java
View File

@@ -63,6 +63,8 @@ public class UCentralUtils {
Arrays.asList(36, 40, 44, 48, 149, 153, 157, 161, 165)
)
);
// NOTE: later, we may want to support channels 12, 13, and/or 14, if
// the AP supports it and OWF vendors will use them
bandToChannelsMap.put(
UCentralConstants.BAND_2G,
Collections.unmodifiableList(
@@ -416,23 +418,6 @@ public class UCentralUtils {
return bssidMap;
}
/**
* Converts channel number to that channel's center frequency in MHz.
*
* @param channel channel number
* @return the center frequency of the given channel in MHz
*/
public static int channelToFrequencyMHz(int channel) {
// TODO fixme
if (channel <= 14) {
// 2.4 GHz
return 2407 + 5 * channel;
} else {
// 5 GHz
return 5000 + channel;
}
}
/**
* Determines if the given channel is in the given band.
*
@@ -444,20 +429,13 @@ public class UCentralUtils {
return AVAILABLE_CHANNELS_BAND.get(band).contains(channel);
}
/**
* Given the channel, gets the band by checking lower bound and upper bound
* of each band
*
* @param channel channel number
* @return band if the channel can be mapped to a valid band; null otherwise
*/
public static String getBandFromChannel(int channel) {
for (String band : UCentralConstants.BANDS) {
if (isChannelInBand(channel, band)) {
return band;
}
/** Return which band contains the given frequency (MHz). */
public static String freqToBand(int freqMHz) {
if (2412 <= freqMHz && freqMHz <= 2484) {
return "2G";
} else {
return "5G";
}
return null;
}
/**