xref: /openbmc/libcper/common-utils.c (revision e42fb487) 
1 /**
2  * Describes common utility functions shared between CPER projects within this repository.
3  * No functions here depend on json-c or b64.c.
4  *
5  * Author: Lawrence.Tang@arm.com
6  **/
7 
8 #include <libcper/BaseTypes.h>
9 #include <libcper/common-utils.h>
10 
11 //Converts the given BCD byte to a standard integer.
bcd_to_int(UINT8 bcd)12 int bcd_to_int(UINT8 bcd)
13 {
14 	return ((bcd & 0xF0) >> 4) * 10 + (bcd & 0x0F);
15 }
16 
17 //Converts the given integer to a single byte BCD.
int_to_bcd(int value)18 UINT8 int_to_bcd(int value)
19 {
20 	UINT8 result = 0;
21 	int shift = 0;
22 	while (value > 0) {
23 		result |= (value % 10) << (shift++ << 2);
24 		value /= 10;
25 	}
26 
27 	return result;
28 }
29