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Wifi: adds 6 GHz channels detection

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Carter Li
2026-05-09 11:01:05 +08:00
parent b86acf6c36
commit 44e2948b1d
1 changed files with 27 additions and 6 deletions
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src/detection/wifi/wifi.h
+27 -6
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@@ -29,13 +29,34 @@ typedef struct FFWifiResult {
const char* ffDetectWifi(FFlist* result /*list of FFWifiItem*/);
static inline uint16_t ffWifiFreqToChannel(uint16_t frequency) {
// https://github.com/opetryna/win32wifi/blob/master/win32wifi/Win32Wifi.py#L140
// FIXME: Does it work for 6 GHz?
// Return 0 for unknown / non-standard frequencies.
if (frequency == 2484) {
return 14;
} else if (frequency < 2484) {
return (uint16_t) ((frequency - 2407) / 5);
} else {
return (uint16_t) ((frequency / 5) - 1000);
}
// 2.4 GHz channels 1-13
if (frequency >= 2412 && frequency <= 2472 && ((frequency - 2407) % 5) == 0) {
return (uint16_t) ((frequency - 2407) / 5);
}
// 4.9 GHz public safety band (e.g. channels 182-196)
if (frequency >= 4910 && frequency <= 4980 && ((frequency - 4000) % 5) == 0) {
return (uint16_t) ((frequency - 4000) / 5);
}
// 5 GHz channels
if (frequency >= 5000 && frequency <= 5895 && ((frequency - 5000) % 5) == 0) {
return (uint16_t) ((frequency - 5000) / 5);
}
// 6 GHz channels (Wi-Fi 6E/7)
// 5935 MHz is a special case mapped to channel 2.
if (frequency == 5935) {
return 2;
}
if (frequency >= 5955 && frequency <= 7115 && ((frequency - 5950) % 5) == 0) {
return (uint16_t) ((frequency - 5950) / 5);
}
return 0;
}