forked from osmocom/wireshark
bfe3706035
... to ensure that there are no potential issues with respect to editors limiting the number of lines scanned at the end of the file when checking for editor modelines. Change-Id: Ic85cbb108bb5159d6ec4116fea11f5eebb4e44a4 Reviewed-on: https://code.wireshark.org/review/4688 Reviewed-by: Bill Meier <wmeier@newsguy.com>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/* frequency-utils.h
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* Frequency conversion utility definitions
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 2007 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __FREQUENCY_UTILS_H__
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#define __FREQUENCY_UTILS_H__
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#include "ws_symbol_export.h"
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/** @file
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* Frequency and channel conversion utilities.
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*/
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/**
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* Given a center frequency in MHz, return a channel number.
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* @param freq Frequency in MHz.
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* @return The equivalent channel or -1 if no match is found.
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*/
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WS_DLL_PUBLIC
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gint
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ieee80211_mhz_to_chan(guint freq);
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/**
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* Given a channel number and a band type, return a center frequency.
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* @param chan Channel number
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* @param is_bg TRUE if the channel is a b/g channel, FALSE otherwise.
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* @return The equivalent frequency or 0 if no match is found.
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*/
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WS_DLL_PUBLIC
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guint
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ieee80211_chan_to_mhz(gint chan, gboolean is_bg);
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/**
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* Given a frequency in MHz, return a string representation.
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* @param freq Frequench in MHz.
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* @return A string showing the frequency, channel number, and type. The string must be freed with g_free() after use.
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*/
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WS_DLL_PUBLIC
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gchar*
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ieee80211_mhz_to_str(guint freq);
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/* Should this be "(freq < 4920)", or something else? */
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#define FREQ_IS_BG(freq) (freq <= 2484)
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#endif /* __FREQUENCY_UTILS_H__ */
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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