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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 | } |