Euresys Coaxlink - Page 38

Coaxlink Programmer's GuideEGrabber for MultiCam users
MC_SignalEnable_ON);
if (status != MC_OK) {
...
}
// enable "END_EXPOSURE" events
status = McSetParamInt(channel, MC_SignalEnable + MC_SIG_END_EXPOSURE,
MC_SignalEnable_ON);
if (status != MC_OK) {
...
}
// register "extern C" callback function
MCSTATUS status = McRegisterCallback(channel, GlobalCallbackFunction, this);
if (status != MC_OK) {
...
}
}
void onEvent(MCSIGNALINFO *info) {
switch (info->Signal) {
case MC_SIG_SURFACE_PROCESSING:
MCHANDLE surface = info.SignalInfo;
// process surface
...
break;
case MC_SIG_END_EXPOSURE:
// handle "END_EXPOSURE" event
...
break;
}
}
private:
MCHANDLE channel;
};
void MCAPI GlobalCallbackFunction(MCSIGNALINFO *info) {
if (info && info->Context) {
MyGrabber *grabber = (MyGrabber *)info->Context;
grabber->onEvent(info);
}
};
//EGrabber
class MyGrabber : public EGrabber<CallbackSingleThread> {
public:
MyGrabber(EGenTL &gentl) : EGrabber<CallbackSingleThread>(gentl) {
// configure grabber
...
// enable "NewBuffer" events
enableEvent<NewBufferData>();
// enable "Cic" events
enableEvent<CicData>();
}
private:
virtual void onNewBufferEvent(const NewBufferData& data) {
ScopedBuffer buffer(*this, data);
// process buffer
...
}
virtual void onCicEvent(const CicData &data) {
// handle "Cic" event
...
}
};
Synchronous (blocking) event handling
//MultiCam
class MyChannel {
public:
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