120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*************************************************************************\
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* Copyright (c) 2019 European Spallation Source ERIC
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* ecmc is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*
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* ecmcPluginDAQ.cpp
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*
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* Created on: Sept 21, 2020
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* Author: anderssandstrom
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*
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\*************************************************************************/
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// Needed to get headers in ecmc right...
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#define ECMC_IS_PLUGIN
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#define ECMC_EXAMPLE_PLUGIN_VERSION 2
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#ifdef __cplusplus
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extern "C" {
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#endif // ifdef __cplusplus
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ecmcPluginDefs.h"
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#include "ecmcDAQDefs.h"
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#include "ecmcDAQWrap.h"
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static int lastEcmcError = 0;
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static char* lastConfStr = NULL;
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static int alreadyLoaded = 0;
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/** Optional.
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* Will be called once after successful load into ecmc.
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* Return value other than 0 will be considered error.
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* configStr can be used for configuration parameters.
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**/
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static int daqConstruct(char *configStr)
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{
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if(alreadyLoaded) {
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printf("Error: Plugin ecmc_plugin_daq already loaded and can only be loaded once.");
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return -1;
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}
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// create FFT object and register data callback
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lastConfStr = strdup(configStr);
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return 0; //createDAQ(configStr); //create from iocsh commands instead
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}
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/** Optional function.
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* Will be called once at unload.
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**/
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static void daqDestruct(void)
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{
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// Segfaults here during destruction?! need to check..
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//deleteAllDAQs();
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//if(lastConfStr){
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// free(lastConfStr);
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//}
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}
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/** Optional function.
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* Will be called each realtime cycle if defined
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* ecmcError: Error code of ecmc. Makes it possible for
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* this plugin to react on ecmc errors
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* Return value other than 0 will be considered to be an error code in ecmc.
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**/
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static int daqRealtime(int ecmcError)
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{
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lastEcmcError = ecmcError;
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return executeDAQs();
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}
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static int daqEnterRT(){
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return validateDAQs(); //linkDataToDAQs();
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}
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/** Optional function.
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* Will be called once just before leaving realtime mode
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* Return value other than 0 will be considered error.
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**/
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static int daqExitRT(void){
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return 0;
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}
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// Register data for plugin so ecmc know what to use
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static struct ecmcPluginData pluginDataDef = {
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// Allways use ECMC_PLUG_VERSION_MAGIC
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.ifVersion = ECMC_PLUG_VERSION_MAGIC,
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// Name
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.name = "ecmc_plugin_daq",
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// Description
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.desc = "DAQ plugin for use with ecmc.",
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// Option description
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.optionDesc = "\n "ECMC_PLUGIN_DBG_PRINT_OPTION_CMD"<1/0> : Enables/disables printouts from plugin, default = disabled.\n",
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// Plugin version
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.version = ECMC_EXAMPLE_PLUGIN_VERSION,
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// Optional construct func, called once at load. NULL if not definded.
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.constructFnc = daqConstruct,
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// Optional destruct func, called once at unload. NULL if not definded.
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.destructFnc = daqDestruct,
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// Optional func that will be called each rt cycle. NULL if not definded.
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.realtimeFnc = daqRealtime,
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// Optional func that will be called once just before enter realtime mode
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.realtimeEnterFnc = daqEnterRT,
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// Optional func that will be called once just before exit realtime mode
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.realtimeExitFnc = daqExitRT,
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// PLC funcs
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.funcs[0] = {0},
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.consts[0] = {0}, // last element set all to zero..
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};
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ecmc_plugin_register(pluginDataDef);
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# ifdef __cplusplus
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}
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# endif // ifdef __cplusplus
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