readerHelpers.hpp File Reference

Helper methods to read data from shared memory queue. More...

#include <rtctk/componentFramework/logger.hpp>
#include <chrono>
#include <cmath>
#include <system_error>

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Namespaces
namespace	rtctk
namespace	rtctk::dataTask
namespace	rtctk::dataTask::detail

Functions
std::chrono::milliseconds	rtctk::dataTask::detail::CalcTimeout (size_t count, float loop_frequency, float error_margin)
	Helper function to calculate the estimated time to read the a number of samples at a given frequency.
template<typename ReaderType , typename Operation >
std::error_code	rtctk::dataTask::detail::Read (ReaderType &reader, Operation &&op, size_t count, float loop_frequency, float error_margin)
	Helper function to wrap the ipcq.read with handling of timeouts and count values.
template<typename ReaderType >
std::error_code	rtctk::dataTask::detail::Skip (ReaderType &reader, size_t count, float loop_frequency, float error_margin)
	Helper function to wrap the ipcq.skip with handling of timeouts and count values.
template<typename ReaderType >
std::error_code	rtctk::dataTask::detail::Reset (ReaderType &reader)
	Helper function to reset the ipcq.reader to latest sample.
template<typename ReaderType >
size_t	rtctk::dataTask::detail::NumFree (ReaderType &reader)
	Helper function to get the free space in the shm.

Detailed Description

Helper methods to read data from shared memory queue.

Copyright

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