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21 lines
453 B
Lua
21 lines
453 B
Lua
module("luci.tools.ieee80211", package.seeall)
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function frequency_to_channel(freq)
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if (freq <= 2400) then
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return 0;
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elseif (freq == 2484) then
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return 14;
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elseif (freq < 2484) then
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return (freq - 2407) / 5;
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elseif (freq >= 4910 and freq <= 4980) then
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return (freq - 4000) / 5;
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elseif (freq <= 45000) then
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return (freq - 5000) / 5;
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elseif (freq >= 58320 and freq <= 64800) then
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return (freq - 56160) / 2160;
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else
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return 0;
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end
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end
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