/*
 / _____)             _              | |
( (____  _____ ____ _| |_ _____  ____| |__
 \____ \| ___ |    (_   _) ___ |/ ___)  _ \
 _____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
    ©2013 Semtech-Cycleo

Description:
	Lora gateway auxiliary functions

License: Revised BSD License, see LICENSE.TXT file include in the project
Maintainer: Sylvain Miermont
*/


/* -------------------------------------------------------------------------- */
/* --- DEPENDANCIES --------------------------------------------------------- */

#include <stdio.h>		/* printf fprintf */
#include <time.h>		/* clock_nanosleep */

/* -------------------------------------------------------------------------- */
/* --- PRIVATE MACROS ------------------------------------------------------- */

#if DEBUG_AUX == 1
	#define DEBUG_MSG(str)				fprintf(stderr, str)
	#define DEBUG_PRINTF(fmt, args...)	fprintf(stderr,"%s:%d: "fmt, __FUNCTION__, __LINE__, args)
#else
	#define DEBUG_MSG(str)
	#define DEBUG_PRINTF(fmt, args...)
#endif

/* -------------------------------------------------------------------------- */
/* --- PUBLIC FUNCTIONS DEFINITION ------------------------------------------ */

/* This implementation is POSIX-pecific and require a fix to be compatible with C99 */
void wait_ms(unsigned long a) {
	struct timespec dly;
	struct timespec rem;
	
	dly.tv_sec = a / 1000;
	dly.tv_nsec = ((long)a % 1000) * 1000000;
	
	DEBUG_PRINTF("NOTE dly: %ld sec %ld ns\n", dly.tv_sec, dly.tv_nsec);
	
	if((dly.tv_sec > 0) || ((dly.tv_sec == 0) && (dly.tv_nsec > 100000))) {
		clock_nanosleep(CLOCK_MONOTONIC, 0, &dly, &rem);
		DEBUG_PRINTF("NOTE remain: %ld sec %ld ns\n", rem.tv_sec, rem.tv_nsec);
	}
	return;
}

/* --- EOF ------------------------------------------------------------------ */