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Diffstat (limited to 'applications/luci-app-dawn/luasrc/tools/ieee80211.lua')
-rw-r--r--applications/luci-app-dawn/luasrc/tools/ieee80211.lua18
1 files changed, 18 insertions, 0 deletions
diff --git a/applications/luci-app-dawn/luasrc/tools/ieee80211.lua b/applications/luci-app-dawn/luasrc/tools/ieee80211.lua
new file mode 100644
index 0000000000..b35991ed7d
--- /dev/null
+++ b/applications/luci-app-dawn/luasrc/tools/ieee80211.lua
@@ -0,0 +1,18 @@
+module("luci.tools.ieee80211", package.seeall)
+
+function frequency_to_channel(freq)
+ if (freq == 2484) then
+ return 14;
+ elseif (freq < 2484) then
+ return (freq - 2407) / 5;
+ elseif (freq >= 4910 and freq <= 4980) then
+ return (freq - 4000) / 5;
+ elseif (freq <= 45000) then
+ return (freq - 5000) / 5;
+ elseif (freq >= 58320 and freq <= 64800) then
+ return (freq - 56160) / 2160;
+ else
+ return 0;
+ end
+end
+