/*
 * SPDX-FileCopyrightText: 2022 Helmut Pozimski <helmut@pozimski.eu>
 *
 * SPDX-License-Identifier: GPL-2.0-only
 */

uint8_t bcd_first_digit_value_bin(uint8_t bcd_value);

uint8_t bcd_last_digit_value_bin(uint8_t bcd_value);

uint8_t bcd2bin(uint8_t bcd_value);

uint8_t bin2bcd(uint8_t bin_value);