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/*
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C)2013 Semtech-Cycleo
Description:
LoRa concentrator HAL common auxiliary functions
License: Revised BSD License, see LICENSE.TXT file include in the project
Maintainer: Sylvain Miermont
*/
#ifndef _LORAGW_AUX_H
#define _LORAGW_AUX_H
/* -------------------------------------------------------------------------- */
/* --- DEPENDANCIES --------------------------------------------------------- */
#include "config.h" /* library configuration options (dynamically generated) */
/* -------------------------------------------------------------------------- */
/* --- PUBLIC MACROS -------------------------------------------------------- */
/**
@brief Get a particular bit value from a byte
@param b [in] Any byte from which we want a bit value
@param p [in] Position of the bit in the byte [0..7]
@param n [in] Number of bits we want to get
@return The value corresponding the requested bits
*/
#define TAKE_N_BITS_FROM(b, p, n) (((b) >> (p)) & ((1 << (n)) - 1))
/* -------------------------------------------------------------------------- */
/* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */
/**
@brief Wait for a certain time (millisecond accuracy)
@param t number of milliseconds to wait.
*/
void wait_ms(unsigned long t);
#endif
/* --- EOF ------------------------------------------------------------------ */
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