An mbed implementation of IEC 61850-9-2LE Sample Values. Creating using the rapid61850 library, available at: https://github.com/stevenblair/rapid61850.
gseDecode.c
00001 /** 00002 * Rapid-prototyping protection schemes with IEC 61850 00003 * 00004 * Copyright (c) 2012 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 "gseDecodeBasic.h" 00022 #include "gse.h" 00023 #include "ied.h" 00024 #include "gseDecode.h" 00025 00026 00027 00028 00029 int ber_decode_IEC_61850_9_2LEAV(unsigned char *buf, struct IEC_61850_9_2LEAV *IEC_61850_9_2LEAV) { 00030 int offset = 0; 00031 00032 if (buf[offset++] == 0xA2) { 00033 offset += getLengthFieldSize(buf[offset]); 00034 00035 offset += BER_DECODE_CTYPE_INT32(&buf[offset], &IEC_61850_9_2LEAV->i); 00036 } 00037 00038 return offset; 00039 } 00040 int ber_decode_IEC_61850_9_2LEsVCAmp(unsigned char *buf, struct IEC_61850_9_2LEsVCAmp *IEC_61850_9_2LEsVCAmp) { 00041 int offset = 0; 00042 00043 if (buf[offset++] == 0xA2) { 00044 offset += getLengthFieldSize(buf[offset]); 00045 00046 offset += BER_DECODE_CTYPE_FLOAT32(&buf[offset], &IEC_61850_9_2LEsVCAmp->scaleFactor); 00047 offset += BER_DECODE_CTYPE_FLOAT32(&buf[offset], &IEC_61850_9_2LEsVCAmp->offset); 00048 } 00049 00050 return offset; 00051 } 00052 int ber_decode_IEC_61850_9_2LEsVCVol(unsigned char *buf, struct IEC_61850_9_2LEsVCVol *IEC_61850_9_2LEsVCVol) { 00053 int offset = 0; 00054 00055 if (buf[offset++] == 0xA2) { 00056 offset += getLengthFieldSize(buf[offset]); 00057 00058 offset += BER_DECODE_CTYPE_FLOAT32(&buf[offset], &IEC_61850_9_2LEsVCVol->scaleFactor); 00059 offset += BER_DECODE_CTYPE_FLOAT32(&buf[offset], &IEC_61850_9_2LEsVCVol->offset); 00060 } 00061 00062 return offset; 00063 } 00064 int ber_decode_IEC_61850_9_2LESAVAmp(unsigned char *buf, struct IEC_61850_9_2LESAVAmp *IEC_61850_9_2LESAVAmp) { 00065 int offset = 0; 00066 00067 if (buf[offset++] == 0xA2) { 00068 offset += getLengthFieldSize(buf[offset]); 00069 00070 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &IEC_61850_9_2LESAVAmp->instMag); 00071 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &IEC_61850_9_2LESAVAmp->q); 00072 offset += ber_decode_IEC_61850_9_2LEsVCAmp(&buf[offset], &IEC_61850_9_2LESAVAmp->sVC); 00073 } 00074 00075 return offset; 00076 } 00077 int ber_decode_IEC_61850_9_2LESAVVol(unsigned char *buf, struct IEC_61850_9_2LESAVVol *IEC_61850_9_2LESAVVol) { 00078 int offset = 0; 00079 00080 if (buf[offset++] == 0xA2) { 00081 offset += getLengthFieldSize(buf[offset]); 00082 00083 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &IEC_61850_9_2LESAVVol->instMag); 00084 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &IEC_61850_9_2LESAVVol->q); 00085 offset += ber_decode_IEC_61850_9_2LEsVCVol(&buf[offset], &IEC_61850_9_2LESAVVol->sVC); 00086 } 00087 00088 return offset; 00089 } 00090 int ber_decode_IEC_61850_9_2LEINC(unsigned char *buf, struct IEC_61850_9_2LEINC *IEC_61850_9_2LEINC) { 00091 int offset = 0; 00092 00093 if (buf[offset++] == 0xA2) { 00094 offset += getLengthFieldSize(buf[offset]); 00095 00096 offset += BER_DECODE_CTYPE_INT32(&buf[offset], &IEC_61850_9_2LEINC->ctlVal); 00097 offset += BER_DECODE_CTYPE_INT32(&buf[offset], &IEC_61850_9_2LEINC->stVal); 00098 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &IEC_61850_9_2LEINC->q); 00099 offset += BER_DECODE_CTYPE_TIMESTAMP(&buf[offset], &IEC_61850_9_2LEINC->t); 00100 } 00101 00102 return offset; 00103 } 00104 int ber_decode_LE_IED_MUnn_PhsMeas1(unsigned char *buf, struct LE_IED_MUnn_PhsMeas1 *LE_IED_MUnn_PhsMeas1) { 00105 int offset = 0; 00106 00107 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_1_Amp_instMag); 00108 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_1_Amp_q); 00109 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_2_Amp_instMag); 00110 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_2_Amp_q); 00111 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_3_Amp_instMag); 00112 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_3_Amp_q); 00113 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_4_Amp_instMag); 00114 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TCTR_4_Amp_q); 00115 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_1_Vol_instMag); 00116 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_1_Vol_q); 00117 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_2_Vol_instMag); 00118 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_2_Vol_q); 00119 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_3_Vol_instMag); 00120 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_3_Vol_q); 00121 offset += ber_decode_IEC_61850_9_2LEAV(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_4_Vol_instMag); 00122 offset += BER_DECODE_CTYPE_QUALITY(&buf[offset], &LE_IED_MUnn_PhsMeas1->MUnn_TVTR_4_Vol_q); 00123 00124 return offset; 00125 } 00126 00127 void gseDecodeDataset(unsigned char *dataset, CTYPE_INT16U datasetLength, unsigned char *gocbRef, CTYPE_INT16U gocbRefLength, CTYPE_INT32U timeAllowedToLive, CTYPE_TIMESTAMP T, CTYPE_INT32U stNum, CTYPE_INT32U sqNum) { 00128 00129 } 00130 00131
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