SVGHMI: Widget DnD to Inkscape : Added source SVG widget label parsing and pass selecte HMI subtree to XSLT tranform, so that SVG containing multiple widgets can later be matched against hmi tree fragments, in order to DnD complex groups of widgets.
/*
Template C code used to produce target Ethercat C code.
Copyright (C) 2011-2014: Laurent BESSARD, Edouard TISSERANT
Distributed under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
See COPYING file for copyrights details.
*/
#include "iec_types_all.h"
#define FREE 0
#define ACQUIRED 1
#define ANSWERED 2
long SDOLock = FREE;
extern long AtomicCompareExchange(long* atomicvar,long compared, long exchange);
int AcquireSDOLock() {
return AtomicCompareExchange(&SDOLock, FREE, ACQUIRED) == FREE;
}
void SDOAnswered() {
AtomicCompareExchange(&SDOLock, ACQUIRED, ANSWERED);
}
int HasAnswer() {
return SDOLock == ANSWERED;
}
void ReleaseSDOLock() {
AtomicCompareExchange(&SDOLock, ANSWERED, FREE);
}
int __init_etherlab_ext()
{
SDOLock = FREE;
return 0;
}
void __cleanup_etherlab_ext()
{
}
void __retrieve_etherlab_ext()
{
}
void __publish_etherlab_ext()
{
}