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219 lines
8.3 KiB
C
219 lines
8.3 KiB
C
/*
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* server_example_deadband.c
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*
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* - How to handle dead bands for measured values (MV)
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* - Use variable and fixed dead band with db and dbRef (edition 2.1)
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* - Use fixed dead band with db and rangeC (edition 2)
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*/
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#include "iec61850_server.h"
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#include "hal_thread.h"
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#include <signal.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#include "static_model.h"
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static int running = 0;
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static IedServer iedServer = NULL;
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void
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sigint_handler(int signalId)
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{
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running = 0;
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}
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static void
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connectionHandler (IedServer self, ClientConnection connection, bool connected, void* parameter)
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{
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if (connected)
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printf("Connection opened\n");
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else
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printf("Connection closed\n");
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}
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int
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main(int argc, char** argv)
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{
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printf("Using libIEC61850 version %s\n", LibIEC61850_getVersionString());
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/* Create new server configuration object */
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IedServerConfig config = IedServerConfig_create();
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/* Set buffer size for buffered report control blocks to 200000 bytes */
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IedServerConfig_setReportBufferSize(config, 200000);
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/* Set stack compliance to a specific edition of the standard (WARNING: data model has also to be checked for compliance) */
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IedServerConfig_setEdition(config, IEC_61850_EDITION_2);
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/* disable MMS file service */
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IedServerConfig_enableFileService(config, false);
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/* enable dynamic data set service */
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IedServerConfig_enableDynamicDataSetService(config, true);
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/* disable log service */
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IedServerConfig_enableLogService(config, false);
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/* set maximum number of clients */
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IedServerConfig_setMaxMmsConnections(config, 5);
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/* Create a new IEC 61850 server instance */
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iedServer = IedServer_createWithConfig(&iedModel, NULL, config);
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/* configuration object is no longer required */
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IedServerConfig_destroy(config);
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/* set the identity values for MMS identify service */
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IedServer_setServerIdentity(iedServer, "libiec61850.com", "deadband example", "1.5.0");
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IedServer_setConnectionIndicationHandler(iedServer, (IedConnectionIndicationHandler) connectionHandler, NULL);
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/* Allow write access to CF parameters (here "db" and "rangeC") */
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IedServer_setWriteAccessPolicy(iedServer, IEC61850_FC_CF, ACCESS_POLICY_ALLOW);
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/* MMS server will be instructed to start listening for client connections. */
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IedServer_start(iedServer, 102);
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if (!IedServer_isRunning(iedServer)) {
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printf("Starting server failed (maybe need root permissions or another server is already using the port)! Exit.\n");
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IedServer_destroy(iedServer);
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exit(-1);
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}
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running = 1;
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signal(SIGINT, sigint_handler);
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float t = 0.f;
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float an1InstMag = 5 * sinf(t);
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float an2InstMag = 5 * sinf(t + 1.f);
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float an3InstMag = 5 * sinf(t + 2.f);
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float an4InstMag = 5 * sinf(t + 3.f);
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float an1Mag = an1InstMag;
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float an2Mag = an2InstMag;
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float an3Mag = an3InstMag;
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float an4Mag = an4InstMag;
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float anIn1DbRef = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn1_dbRef));
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float anIn1ZeroDbRef = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn1_zeroDbRef));
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float anIn2DbRef = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn2_dbRef));
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float anIn2ZeroDbRef = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn2_zeroDbRef));
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while (running) {
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uint64_t timestamp = Hal_getTimeInMs();
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t += 0.001f;
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an1InstMag = 5 * sinf(t);
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an2InstMag = 5 * sinf(t + 1.f);
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an3InstMag = 5 * sinf(t + 2.f);
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an4InstMag = 5 * sinf(t + 3.f);
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Timestamp iecTimestamp;
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Timestamp_clearFlags(&iecTimestamp);
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Timestamp_setTimeInMilliseconds(&iecTimestamp, timestamp);
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Timestamp_setLeapSecondKnown(&iecTimestamp, true);
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float dbValF;
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float minValF;
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float maxValF;
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IedServer_lockDataModel(iedServer);
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/* handle AnIn1 (using db and dbRef as in edition 2.1) */
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dbValF = (float)MmsValue_toUint32(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn1_db)) / 1000.f;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn1_instMag_f, an1InstMag);
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if (anIn1DbRef == 0) { /* dbRef = 0 */
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if (fabsf(an1InstMag - an1Mag) > (fabsf(an1Mag) * dbValF * 0.01f)) {
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/* dead band condition -> updated "mag" attribute */
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an1Mag = an1InstMag;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn1_mag_f, an1Mag);
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}
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}
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else {
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if (fabsf(an1InstMag - an1Mag) > (fabsf(anIn1DbRef) * dbValF * 0.01f)) {
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/* dead band condition -> updated "mag" attribute */
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an1Mag = an1InstMag;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn1_mag_f, an1Mag);
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}
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}
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IedServer_updateTimestampAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn1_t, &iecTimestamp);
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/* handle AnIn2 (using db and dbRef as in edition 2.1) */
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dbValF = (float)MmsValue_toUint32(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn2_db)) / 1000.f;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn2_instMag_f, an2InstMag);
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if (anIn1DbRef == 0) { /* dbRef = 0 */
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if (fabsf(an2InstMag - an2Mag) > (fabsf(an2Mag) * dbValF * 0.01f)) {
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/* dead band condition -> updated "mag" attribute */
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an2Mag = an2InstMag;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn2_mag_f, an2Mag);
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}
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}
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else {
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if (fabsf(an2InstMag - an2Mag) > (fabsf(anIn2DbRef) * dbValF * 0.01f)) {
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/* dead band condition -> updated "mag" attribute */
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an2Mag = an2InstMag;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn2_mag_f, an2Mag);
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}
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}
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IedServer_updateTimestampAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn2_t, &iecTimestamp);
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/* handle AnIn3 (using db and rangeC as in edition 2) */
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dbValF = (float)MmsValue_toUint32(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn3_db)) / 1000.f;
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minValF = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn3_rangeC_min_f));
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maxValF = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn3_rangeC_max_f));
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn3_instMag_f, an3InstMag);
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if (fabsf(an3InstMag - an3Mag) > (fabsf(maxValF - minValF) * dbValF * 0.01f)) {
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/* dead band condition -> updated "mag" attribute */
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an3Mag = an3InstMag;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn3_mag_f, an3Mag);
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}
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IedServer_updateTimestampAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn3_t, &iecTimestamp);
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/* handle AnIn4 (using db and rangeC as in edition 2) */
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn4_instMag_f, an4InstMag);
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dbValF = (float)MmsValue_toUint32(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn4_db)) / 1000.f;
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minValF = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn4_rangeC_min_f));
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maxValF = MmsValue_toFloat(IedServer_getAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn4_rangeC_max_f));
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if (fabsf(an4InstMag - an4Mag) > (fabsf(maxValF - minValF) * dbValF * 0.01f)) {
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/* dead band condition -> updated "mag" attribute */
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an4Mag = an4InstMag;
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IedServer_updateFloatAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn4_mag_f, an4Mag);
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}
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IedServer_updateTimestampAttributeValue(iedServer, IEDMODEL_LD1_AnInGGIO1_AnIn4_t, &iecTimestamp);
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IedServer_unlockDataModel(iedServer);
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Thread_sleep(10);
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}
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/* stop MMS server - close TCP server socket and all client sockets */
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IedServer_stop(iedServer);
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/* Cleanup - free all resources */
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IedServer_destroy(iedServer);
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return 0;
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} /* main() */
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