2009-12-11 13:52:21 +01:00
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#include "posutil.hh"
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2010-03-19 14:16:55 +01:00
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/* Wi-Fi channel frequencies in MHz */
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#define CHANNEL_1 2412000000ul
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#define CHANNEL_2 2417000000ul
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#define CHANNEL_3 2422000000ul
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#define CHANNEL_4 2427000000ul
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#define CHANNEL_5 2432000000ul
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#define CHANNEL_6 2437000000ul
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#define CHANNEL_7 2442000000ul
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#define CHANNEL_8 2447000000ul
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#define CHANNEL_9 2452000000ul
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#define CHANNEL_10 2457000000ul
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#define CHANNEL_11 2462000000ul
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#define CHANNEL_12 2467000000ul
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#define CHANNEL_13 2472000000ul
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#define CHANNEL_14 2477000000ul
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2010-03-05 10:05:12 +01:00
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2010-01-16 12:23:07 +01:00
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/**
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* @param channel A IEEE 802.11 channel.
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* @return The frequency in Hz or 0 if the channel is wrong.
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* Note that if \em channel is a frequency in Hz, this function will
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* consider it as a wrong value and return 0.
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2009-12-11 13:52:21 +01:00
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*/
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2010-03-19 14:16:55 +01:00
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unsigned long PosUtil::wifi_channel_to_hz(const unsigned int &channel)
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2009-12-11 13:52:21 +01:00
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{
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switch (channel)
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{
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case 1:
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case CHANNEL_1:
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return CHANNEL_1 ;
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case 2:
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case CHANNEL_2:
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return CHANNEL_2 ;
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case 3:
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case CHANNEL_3:
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return CHANNEL_3 ;
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case 4:
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case CHANNEL_4:
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return CHANNEL_4 ;
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case 5:
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case CHANNEL_5:
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return CHANNEL_5 ;
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case 6:
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case CHANNEL_6:
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return CHANNEL_6 ;
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case 7:
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case CHANNEL_7:
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return CHANNEL_7 ;
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case 8:
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case CHANNEL_8:
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return CHANNEL_8 ;
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case 9:
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case CHANNEL_9:
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return CHANNEL_9 ;
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case 10:
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case CHANNEL_10:
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return CHANNEL_10 ;
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case 11:
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case CHANNEL_11:
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return CHANNEL_11 ;
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case 12:
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case CHANNEL_12:
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return CHANNEL_12 ;
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case 13:
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case CHANNEL_13:
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return CHANNEL_13 ;
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case 14:
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case CHANNEL_14:
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return CHANNEL_14 ;
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}
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return 0 ; // Error: wrong channel value
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}
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