svDecodeBasic.c

00001 /**
00002  * Rapid-prototyping protection schemes with IEC 61850
00003  *
00004  * Copyright (c) 2011 Steven Blair
00005  * 
00006  * This program is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU General Public License
00008  * as published by the Free Software Foundation; either version 2
00009  * of the License, or (at your option) any later version.
00010 
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015 
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00019  */
00020 
00021 #include "ctypes.h"
00022 #include "datatypes.h"
00023 #include "ied.h"
00024 #include "svDecodeBasic.h"
00025 #include <string.h>
00026 
00027 // SV encoding of basic types
00028 int DECODE_CTYPE_FLOAT32(unsigned char *buf, CTYPE_FLOAT32 *value) {
00029     netmemcpy(value, buf, SV_GET_LENGTH_FLOAT32);
00030 
00031     return SV_GET_LENGTH_FLOAT32;
00032 }
00033 int DECODE_CTYPE_FLOAT64(unsigned char *buf, CTYPE_FLOAT64 *value) {
00034     netmemcpy(value, buf, SV_GET_LENGTH_FLOAT64);
00035 
00036     return SV_GET_LENGTH_FLOAT64;
00037 }
00038 int DECODE_CTYPE_QUALITY(unsigned char *buf, CTYPE_QUALITY *value) {
00039     netmemcpy(value, buf, SV_GET_LENGTH_QUALITY);
00040 
00041     return SV_GET_LENGTH_QUALITY;
00042 }
00043 int DECODE_CTYPE_TIMESTAMP(unsigned char *buf, CTYPE_TIMESTAMP *value) {
00044     netmemcpy(value, buf, SV_GET_LENGTH_TIMESTAMP);
00045 
00046     return SV_GET_LENGTH_TIMESTAMP;
00047 }
00048 int DECODE_CTYPE_ENUM(unsigned char *buf, CTYPE_ENUM *value) {    // assuming enum is an int - allows any enum type to be used
00049     netmemcpy(value, buf, SV_GET_LENGTH_ENUM);
00050 
00051     return SV_GET_LENGTH_ENUM;
00052 }
00053 int DECODE_CTYPE_INT16(unsigned char *buf, CTYPE_INT16 *value) {
00054     netmemcpy(value, buf, SV_GET_LENGTH_INT16);
00055 
00056     return SV_GET_LENGTH_INT16;
00057 }
00058 int DECODE_CTYPE_INT32(unsigned char *buf, CTYPE_INT32 *value) {
00059     netmemcpy(value, buf, SV_GET_LENGTH_INT32);
00060 
00061     return SV_GET_LENGTH_INT32;
00062 }
00063 int DECODE_CTYPE_INT16U(unsigned char *buf, CTYPE_INT16U *value) {
00064     netmemcpy(value, buf, SV_GET_LENGTH_INT16U);
00065 
00066     return SV_GET_LENGTH_INT16U;
00067 }
00068 int DECODE_CTYPE_INT32U(unsigned char *buf, CTYPE_INT32U *value) {
00069     netmemcpy(value, buf, SV_GET_LENGTH_INT32U);
00070 
00071     return SV_GET_LENGTH_INT32U;
00072 }
00073 int DECODE_CTYPE_VISSTRING255(unsigned char *buf, CTYPE_VISSTRING255 *value) {
00074     netmemcpy(value, buf, SV_GET_LENGTH_VISSTRING255);
00075 
00076     return SV_GET_LENGTH_VISSTRING255;
00077 }
00078 int DECODE_CTYPE_BOOLEAN(unsigned char *buf, CTYPE_BOOLEAN *value) {
00079     netmemcpy(value, buf, SV_GET_LENGTH_BOOLEAN);
00080 
00081     return SV_GET_LENGTH_BOOLEAN;
00082 }
00083 int DECODE_CTYPE_DBPOS(unsigned char *buf, CTYPE_DBPOS *value) {
00084     netmemcpy(value, buf, SV_GET_LENGTH_DBPOS);
00085 
00086     return SV_GET_LENGTH_DBPOS;
00087 }