[z180-stamp.git] / avr / bcd.c

/*
 * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include "stdlib.h"
#include "stdint.h"
#include "bcd.h"

uint_fast8_t bcd2bin(uint8_t val)
{
	return (val >> 4) * 10 + (val & 0x0f);
}

uint8_t bin2bcd (uint_fast8_t val)
{
	div_t d = div(val, 10);

	return (d.quot << 4) | d.rem;
}
Commit	Line	Data
845cbdbd L	1	/*
	2	* (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6
	7	#include "stdlib.h"
	8	#include "stdint.h"
	9	#include "bcd.h"
	10
	11	uint_fast8_t bcd2bin(uint8_t val)
	12	{
	13	return (val >> 4) * 10 + (val & 0x0f);
	14	}
	15
	16	uint8_t bin2bcd (uint_fast8_t val)
	17	{
	18	div_t d = div(val, 10);
	19
	20	return (d.quot << 4) \| d.rem;
	21	}