/**
* Get an instance of an Analog Module.
*
* Singleton analog module creation where a module is allocated on the first use
* and the same module is returned on subsequent uses.
*
* @param slot The physical slot in the cRIO chassis where this analog module is installed.
* @return A pointer to the AnalogModule.
*/
AnalogModule* AnalogModule::GetInstance(UINT32 slot)
{
CheckAnalogModule(slot);
if (m_modules[slot] == NULL)
{
m_modules[slot] = new AnalogModule(slot);
}
return (AnalogModule*)m_modules[slot];
}
/**
* Get an instance of an Analog Module.
*
* Singleton analog module creation where a module is allocated on the first use
* and the same module is returned on subsequent uses.
*
* @param moduleNumber The analog module to get (1 or 2).
* @return A pointer to the AnalogModule.
*/
AnalogModule* AnalogModule::GetInstance(UINT8 moduleNumber)
{
if (CheckAnalogModule(moduleNumber))
{
return (AnalogModule*)GetModule(nLoadOut::kModuleType_Analog, moduleNumber);
}
// If this wasn't caught before now, make sure we say what's wrong before we crash
char buf[64];
snprintf(buf, 64, "Analog Module %d", moduleNumber);
wpi_setGlobalWPIErrorWithContext(ModuleIndexOutOfRange, buf);
return NULL;
}
/**
* Common initialization.
*/
void AnalogChannel::InitChannel(UINT32 slot, UINT32 channel)
{
Resource::CreateResourceObject(&channels, kAnalogModules * kAnalogChannels);
CheckAnalogModule(slot);
CheckAnalogChannel(slot);
channels->Allocate(AnalogModule::SlotToIndex(slot) * kAnalogModules + channel - 1);
m_channel = channel;
m_module = AnalogModule::GetInstance(slot);
if (IsAccumulatorChannel())
{
m_accumulator = new tAccumulator(channel - 1, &status);
m_accumulatorOffset=0;
}
else
{
m_accumulator = NULL;
}
}
/**
* Common initialization.
*/
void AnalogChannel::InitChannel(UINT8 moduleNumber, UINT32 channel)
{
char buf[64];
Resource::CreateResourceObject(&channels, kAnalogModules * kAnalogChannels);
if (!CheckAnalogModule(moduleNumber))
{
snprintf(buf, 64, "Analog Module %d", moduleNumber);
wpi_setWPIErrorWithContext(ModuleIndexOutOfRange, buf);
return;
}
if (!CheckAnalogChannel(channel))
{
snprintf(buf, 64, "Analog Channel %d", channel);
wpi_setWPIErrorWithContext(ChannelIndexOutOfRange, buf);
return;
}
snprintf(buf, 64, "Analog Input %d (Module: %d)", channel, moduleNumber);
if (channels->Allocate((moduleNumber - 1) * kAnalogChannels + channel - 1, buf) == ~0ul)
{
CloneError(channels);
return;
}
m_channel = channel;
m_module = AnalogModule::GetInstance(moduleNumber);
if (IsAccumulatorChannel())
{
tRioStatusCode localStatus = NiFpga_Status_Success;
m_accumulator = tAccumulator::create(channel - 1, &localStatus);
wpi_setError(localStatus);
m_accumulatorOffset=0;
}
else
{
m_accumulator = NULL;
}
LiveWindow::GetInstance()->AddActuator("AnalogChannel",channel, GetModuleNumber(), this);
nUsageReporting::report(nUsageReporting::kResourceType_AnalogChannel, channel, GetModuleNumber() - 1);
}
