/**
* Get the current sample rate on the module.
*
* This assumes one entry in the scan list.
* This is a global setting for the module and effects all channels.
*
* @return Sample rate.
*/
float AnalogModule::GetSampleRate()
{
UINT32 ticksPerConversion = m_module->readLoopTiming(&status);
wpi_assertCleanStatus(status);
UINT32 ticksPerSample = ticksPerConversion * GetNumActiveChannels();
wpi_assertCleanStatus(status);
return (float)kTimebase / (float)ticksPerSample;
}
/**
* Get the current sample rate on the module.
*
* This assumes one entry in the scan list.
* This is a global setting for the module and effects all channels.
*
* @return Sample rate.
*/
float AnalogModule::GetSampleRate()
{
tRioStatusCode localStatus = NiFpga_Status_Success;
UINT32 ticksPerConversion = m_module->readLoopTiming(&localStatus);
wpi_setError(localStatus);
UINT32 ticksPerSample = ticksPerConversion * GetNumActiveChannels();
return (float)kTimebase / (float)ticksPerSample;
}
/**
* Get the number of active channels.
*
* This is an internal function to allow the atomic update of both the
* number of active channels and the sample rate.
*
* When the number of channels changes, use the new value. Otherwise,
* return the curent value.
*
* @return Value to write to the active channels field.
*/
UINT32 AnalogModule::GetNumChannelsToActivate()
{
if(m_numChannelsToActivate == 0) return GetNumActiveChannels();
return m_numChannelsToActivate;
}
