#ifndef INDOOR_WIFICHANNELS_H #define INDOOR_WIFICHANNELS_H class WiFiChannels { public: static int freqToChannel(const int freq) { switch(freq) { case 2412: return 1; case 2417: return 2; case 2422: return 3; case 2427: return 4; case 2432: return 5; case 2437: return 6; case 2442: return 7; case 2447: return 8; case 2452: return 9; case 2457: return 10; case 2462: return 11; case 2467: return 12; case 2472: return 13; case 2484: return 14; } throw "error"; } }; #endif // INDOOR_WIFICHANNELS_H