sys: util: add binary coded decimal functions (67459aa2) · Commits · Wenxi XU / zephyr

include/sys/util.h

+24 −0

Original line number	Diff line number	Diff line
		@@ -285,6 +285,30 @@ size_t bin2hex(const uint8_t buf, size_t buflen, char hex, size_t hexlen);
		*/
		size_t hex2bin(const char hex, size_t hexlen, uint8_t buf, size_t buflen);

		/**
		* @brief Convert a binary coded decimal (BCD 8421) value to binary.
		*
		* @param bcd BCD 8421 value to convert.
		*
		* @return Binary representation of input value.
		*/
		static inline uint8_t bcd2bin(uint8_t bcd)
		{
		return ((10 * (bcd >> 4)) + (bcd & 0x0F));
		}

		/**
		* @brief Convert a binary value to binary coded decimal (BCD 8421).
		*
		* @param bin Binary value to convert.
		*
		* @return BCD 8421 representation of input value.
		*/
		static inline uint8_t bin2bcd(uint8_t bin)
		{
		return (((bin / 10) << 4) \| (bin % 10));
		}

		/**
		* @brief Convert a uint8_t into a decimal string representation.
		*