bool NIDAQDevice::initialize() {
if (!(haveAnalogInputChannels() ||
haveAnalogOutputChannels() ||
haveDigitalInputChannels() ||
haveDigitalOutputChannels() ||
haveCounterInputCountEdgesChannels()))
{
throw SimpleException(M_IODEVICE_MESSAGE_DOMAIN, "NIDAQ device must have at least one channel");
}
if (haveAnalogOutputVoltageChannels() && haveAnalogOutputVoltageWaveformChannels()) {
throw SimpleException(M_IODEVICE_MESSAGE_DOMAIN,
"NIDAQ device cannot use static and waveform analog output voltage channels simultaneously");
}
analogInputSampleBufferSize = analogInputChannels.size() * std::size_t(updateInterval / analogInputDataInterval);
analogOutputSampleBufferSize = analogOutputVoltageChannels.size();
digitalInputSampleBufferSize = digitalInputChannels.size();
digitalOutputSampleBufferSize = (digitalOutputChannels.empty() ? 0 : 1);
sharedMemory.setSize(HelperControlMessage::sizeWithSamples(std::max(analogInputSampleBufferSize,
analogOutputSampleBufferSize),
std::max(digitalInputSampleBufferSize,
digitalOutputSampleBufferSize)));
controlMessage = sharedMemory.getMessagePtr();
spawnHelper();
mprintf(M_IODEVICE_MESSAGE_DOMAIN, "Configuring NIDAQ device \"%s\"...", deviceName.c_str());
if (haveAnalogInputChannels() && !createAnalogInputTask()) {
return false;
}
if (haveAnalogOutputChannels() && !createAnalogOutputTask()) {
return false;
}
if (haveDigitalInputChannels() && !createDigitalInputTask()) {
return false;
}
if (haveDigitalOutputChannels() && !createDigitalOutputTasks()) {
return false;
}
if (haveCounterInputCountEdgesChannels() && !createCounterInputCountEdgesTasks()) {
return false;
}
mprintf(M_IODEVICE_MESSAGE_DOMAIN, "NIDAQ device \"%s\" is ready", deviceName.c_str());
if (haveAnalogOutputChannels()) {
auto sharedThis = component_shared_from_this<NIDAQDevice>();
auto notification = boost::make_shared<AnalogOutputEnabledNotification>(sharedThis);
analogOutputEnabled->addNotification(notification);
}
return true;
}
bool NIDAQDevice::createTasks() {
if (haveAnalogInputChannels() && !createAnalogInputTask()) {
return false;
}
if (haveAnalogOutputChannels() && !createAnalogOutputTask()) {
return false;
}
if (haveDigitalInputChannels() && !createDigitalInputTask()) {
return false;
}
if (haveDigitalOutputChannels() && !createDigitalOutputTasks()) {
return false;
}
if (haveCounterInputCountEdgesChannels() && !createCounterInputCountEdgesTasks()) {
return false;
}
return true;
}