dunedaq::timing::EchoMonitorNode Class Reference

Class for master global node. More...

#include <EchoMonitorNode.hpp>

Inheritance diagram for dunedaq::timing::EchoMonitorNode:

Collaboration diagram for dunedaq::timing::EchoMonitorNode:

Public Member Functions
	EchoMonitorNode (const uhal::Node &node)
virtual	~EchoMonitorNode ()
virtual uint64_t	send_echo_and_measure_delay (int64_t timeout=500) const
	Send echo and measure the round-trip time between master and endpoint.
std::string	get_status (bool print_out=false) const override
	Get status string, optionally print.
Public Member Functions inherited from dunedaq::timing::TimingNode
	TimingNode (const uhal::Node &node)
virtual	~TimingNode ()
std::map< std::string, uhal::ValWord< uint32_t > >	read_sub_nodes (const uhal::Node &node, bool dispatch=true) const
	Read subnodes.
void	reset_sub_nodes (const uhal::Node &node, uint32_t aValue=0x0, bool dispatch=true) const
	Reset subnodes.

Detailed Description

Class for master global node.

Definition at line 29 of file EchoMonitorNode.hpp.

Constructor & Destructor Documentation

EchoMonitorNode()

dunedaq::timing::EchoMonitorNode::EchoMonitorNode ( const uhal::Node & node )

explicit

Definition at line 24 of file EchoMonitorNode.cpp.

  : TimingNode(node)
{}

~EchoMonitorNode()

dunedaq::timing::EchoMonitorNode::~EchoMonitorNode ( )

virtual

Definition at line 30 of file EchoMonitorNode.cpp.

{}

Member Function Documentation

get_status()

std::string dunedaq::timing::EchoMonitorNode::get_status ( bool print_out = false ) const

overridevirtual

Get status string, optionally print.

Implements dunedaq::timing::TimingNode.

Definition at line 35 of file EchoMonitorNode.cpp.

{
  std::stringstream status;
  auto subnodes = read_sub_nodes(getNode("csr.stat"));
  status << format_reg_table(subnodes, "Echo mon state");
  if (print_out)
    TLOG() << status.str();
  return status.str();
}

send_echo_and_measure_delay()

uint64_t dunedaq::timing::EchoMonitorNode::send_echo_and_measure_delay ( int64_t timeout = 500 ) const

virtual

Send echo and measure the round-trip time between master and endpoint.

Returns

{ description_of_the_return_value }

Definition at line 48 of file EchoMonitorNode.cpp.

{
 
  getNode("csr.ctrl.go").write(0x1);
  getClient().dispatch();
 
  auto start = std::chrono::high_resolution_clock::now();
 
  uhal::ValWord<uint32_t> done; // NOLINT(build/unsigned)
  uhal::ValWord<uint32_t> delta_t;
  
  while (true) {
 
    done = getNode("csr.stat.rx_done").read();
    delta_t = getNode("csr.stat.deltat").read();
    getClient().dispatch();
 
    TLOG_DEBUG(6) << "rx done: " << done.value() << ", delta_t: " << delta_t.value();
 
    if (done.value())
    {
      if (delta_t.value() == 0xffff)
      {
        throw EchoReplyTimeout(ERS_HERE);
      } 
      else
      {
        break;
      }
    }
    
    auto now = std::chrono::high_resolution_clock::now();
    auto ms_since_start = std::chrono::duration_cast<std::chrono::milliseconds>(now - start);
 
    if (ms_since_start.count() > timeout)
      throw EchoFlagTimeout(ERS_HERE, timeout);
 
    std::this_thread::sleep_for(std::chrono::microseconds(10));
  }
 
  TLOG_DEBUG(4) << "delta t: " << format_reg_value(delta_t.value(), 10);
 
  return delta_t.value();
}

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The documentation for this class was generated from the following files:

• /github/workspace/dunedaq/sourcecode/timing/include/timing/EchoMonitorNode.hpp
• /github/workspace/dunedaq/sourcecode/timing/src/EchoMonitorNode.cpp