LibXR::MicrosecondTimestamp Class Reference

表示微秒级时间戳的类。Class representing a timestamp in microseconds. More...

#include <libxr_time.hpp>

Data Structures
class	Duration
	表示微秒级时间差的类。Class representing a time difference in microseconds. More...

Public Member Functions
	MicrosecondTimestamp ()
	默认构造函数，初始化时间戳为 0。 Default constructor initializing the timestamp to 0.
	MicrosecondTimestamp (uint64_t microsecond)
	以给定的微秒值构造时间戳。 Constructor initializing the timestamp with a given microsecond value.
	operator uint64_t () const
	转换运算符，将时间戳转换为 uint64_t。 Conversion operator to uint64_t.
Duration	operator- (const MicrosecondTimestamp &old_microsecond) const
	计算两个时间戳之间的时间差。 Computes the time difference between two timestamps.
MicrosecondTimestamp &	operator= (const MicrosecondTimestamp &other)
	赋值运算符重载。 Assignment operator overload.

Private Attributes
uint64_t	microsecond_
	以微秒存储的时间戳。Timestamp stored in microseconds.

Detailed Description

表示微秒级时间戳的类。Class representing a timestamp in microseconds.

Definition at line 18 of file libxr_time.hpp.

Constructor & Destructor Documentation

MicrosecondTimestamp() [1/2]

MicrosecondTimestamp::MicrosecondTimestamp

(

)

默认构造函数，初始化时间戳为 0。 Default constructor initializing the timestamp to 0.

Definition at line 8 of file libxr_time.cpp.

: microsecond_(0) {}

MicrosecondTimestamp() [2/2]

MicrosecondTimestamp::MicrosecondTimestamp

(

uint64_t

microsecond

)

以给定的微秒值构造时间戳。 Constructor initializing the timestamp with a given microsecond value.

Parameters

microsecond

以微秒表示的时间值。Time value in microseconds.

Definition at line 10 of file libxr_time.cpp.

    : microsecond_(microsecond)
{
}

Member Function Documentation

operator uint64_t()

MicrosecondTimestamp::operator uint64_t

(

)

const

转换运算符，将时间戳转换为 uint64_t。 Conversion operator to uint64_t.

Definition at line 15 of file libxr_time.cpp.

{ return microsecond_; }

operator-()

MicrosecondTimestamp::Duration MicrosecondTimestamp::operator-

(

const MicrosecondTimestamp &

old_microsecond

)

const

计算两个时间戳之间的时间差。 Computes the time difference between two timestamps.

Parameters

old_microsecond

旧的时间戳。The older timestamp.

Returns

Duration 计算得到的时间差。Computed time difference.

Definition at line 41 of file libxr_time.cpp.

{
  uint64_t diff;  // NOLINT
 
  if (microsecond_ >= old_microsecond.microsecond_)
  {
    diff = microsecond_ - old_microsecond.microsecond_;
  }
  else
  {
    diff = microsecond_ + (libxr_timebase_max_valid_us - old_microsecond.microsecond_);
  }
 
  ASSERT(diff <= libxr_timebase_max_valid_us);
 
  return Duration(diff);
}

operator=()

MicrosecondTimestamp & MicrosecondTimestamp::operator=

(

const MicrosecondTimestamp &

other

)

赋值运算符重载。 Assignment operator overload.

Parameters

other

另一个 MicrosecondTimestamp 对象。Another MicrosecondTimestamp object.

Returns

返回当前对象的引用。Returns a reference to the current object.

Definition at line 60 of file libxr_time.cpp.

{
  if (this != &other)
  {
    microsecond_ = other.microsecond_;
  }
  return *this;
}

Field Documentation

microsecond_

uint64_t LibXR::MicrosecondTimestamp::microsecond_

private

以微秒存储的时间戳。Timestamp stored in microseconds.

Definition at line 105 of file libxr_time.hpp.

---

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

• src/core/libxr_time.hpp
• src/core/libxr_time.cpp