47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
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/*
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/ _____) _ | |
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( (____ _____ ____ _| |_ _____ ____| |__
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\____ \| ___ | (_ _) ___ |/ ___) _ \
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_____) ) ____| | | || |_| ____( (___| | | |
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(______/|_____)_|_|_| \__)_____)\____)_| |_|
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(C)2019 Semtech
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Description:
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LoRa concentrator HAL common auxiliary functions
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License: Revised BSD License, see LICENSE.TXT file include in the project
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*/
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#ifndef _LORAGW_AUX_H
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#define _LORAGW_AUX_H
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/* -------------------------------------------------------------------------- */
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/* --- DEPENDANCIES --------------------------------------------------------- */
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#include "config.h" /* library configuration options (dynamically generated) */
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/* -------------------------------------------------------------------------- */
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/* --- PUBLIC MACROS -------------------------------------------------------- */
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/**
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@brief Get a particular bit value from a byte
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@param b [in] Any byte from which we want a bit value
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@param p [in] Position of the bit in the byte [0..7]
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@param n [in] Number of bits we want to get
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@return The value corresponding the requested bits
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*/
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#define TAKE_N_BITS_FROM(b, p, n) (((b) >> (p)) & ((1 << (n)) - 1))
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/* -------------------------------------------------------------------------- */
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/* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */
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/**
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@brief Wait for a certain time (millisecond accuracy)
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@param t number of milliseconds to wait.
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*/
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void wait_ms(unsigned long t);
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#endif
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/* --- EOF ------------------------------------------------------------------ */
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