47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#ifndef _OWLPS_POSITIONING_POSUTIL_HH_
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#define _OWLPS_POSITIONING_POSUTIL_HH_
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#include <ctime>
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#include <stdint.h> // <cstdint> is not C++ 98 compliant
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/* Wi-Fi channel frequencies in Hz */
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#define CHANNEL_1 2412
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#define CHANNEL_2 2417
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#define CHANNEL_3 2422
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#define CHANNEL_4 2427
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#define CHANNEL_5 2432
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#define CHANNEL_6 2437
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#define CHANNEL_7 2442
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#define CHANNEL_8 2447
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#define CHANNEL_9 2452
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#define CHANNEL_10 2457
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#define CHANNEL_11 2462
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#define CHANNEL_12 2467
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#define CHANNEL_13 2472
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#define CHANNEL_14 2477
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/// Utilitary class
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class PosUtil
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{
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public:
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/** @name Wi-Fi */
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//@{
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/// Converts a Wi-Fi channel to the corresponding frequency in Hz
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static unsigned int channel_to_frequency(const int &channel) ;
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//@}
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/** @name Time & Dates */
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//@{
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/// Converts a struct timespec into a value in milliseconds
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static uint64_t timespec_to_ms(const struct timespec &d) ;
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/// Converts a time value in milliseconds into a struct timespec
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static struct timespec ms_to_timespec(const uint64_t &tms) ;
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/// Converts a struct timespec into a value in nanoseconds
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static uint64_t timespec_to_ns(const struct timespec &d) ;
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/// Converts a time value in nanoseconds into a struct timespec
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static struct timespec ns_to_timespec(const uint64_t &tns) ;
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//@}
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} ;
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#endif // _OWLPS_POSITIONING_POSUTIL_HH_
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