WebAssembly 时间基准实现 / WebAssembly timebase implementation. More...

#include <webasm_timebase.hpp>

Inheritance diagram for LibXR::WebAsmTimebase:

Collaboration diagram for LibXR::WebAsmTimebase:

Public Member Functions
MicrosecondTimestamp	_get_microseconds () override
	获取当前微秒计数 / Get current timestamp in microseconds

MillisecondTimestamp	_get_milliseconds () override
	获取当前毫秒计数 / Get current timestamp in milliseconds

Public Member Functions inherited from LibXR::Timebase
	Timebase (uint64_t max_valid_us=UINT64_MAX, uint32_t max_valid_ms=UINT32_MAX)
	默认构造函数，初始化全局时间基指针。 Default constructor, initializing the global timebase pointer.

Private Attributes
std::chrono::system_clock::time_point	start_time_

Additional Inherited Members
Static Public Member Functions inherited from LibXR::Timebase
static MicrosecondTimestamp	GetMicroseconds ()
	获取当前时间的微秒级时间戳。 Gets the current timestamp in microseconds.

static MillisecondTimestamp	GetMilliseconds ()
	获取当前时间的毫秒级时间戳。 Gets the current timestamp in milliseconds.

static void	DelayMicroseconds (uint32_t us)
	微秒级延时 / Delay in microseconds

Static Public Attributes inherited from LibXR::Timebase
static Timebase *	timebase = nullptr
	静态指针，用于存储全局时间基对象。 Static pointer storing the global timebase instance.

Detailed Description

WebAssembly 时间基准实现 / WebAssembly timebase implementation.

Definition at line 14 of file webasm_timebase.hpp.

Constructor & Destructor Documentation

◆ WebAsmTimebase()

LibXR::WebAsmTimebase::WebAsmTimebase ( )

inline

Definition at line 17 of file webasm_timebase.hpp.

  {
    // Initialize reference timestamp.
    start_time_ = std::chrono::system_clock::now();
  }

Member Function Documentation

◆ _get_microseconds()

MicrosecondTimestamp LibXR::WebAsmTimebase::_get_microseconds ( )

inlineoverridevirtual

获取当前微秒计数 / Get current timestamp in microseconds

Returns: MicrosecondTimestamp 微秒时间戳 / Microsecond timestamp

Implements LibXR::Timebase.

Definition at line 27 of file webasm_timebase.hpp.

  {
    auto now = std::chrono::system_clock::now();
    auto us =
        std::chrono::duration_cast<std::chrono::microseconds>(now - start_time_).count();
    return static_cast<MicrosecondTimestamp>(us % UINT32_MAX);
  }

◆ _get_milliseconds()

MillisecondTimestamp LibXR::WebAsmTimebase::_get_milliseconds ( )

inlineoverridevirtual

获取当前毫秒计数 / Get current timestamp in milliseconds

Returns: MillisecondTimestamp 毫秒时间戳 / Millisecond timestamp

Implements LibXR::Timebase.

Definition at line 39 of file webasm_timebase.hpp.

  {
    auto now = std::chrono::system_clock::now();
    auto ms =
        std::chrono::duration_cast<std::chrono::milliseconds>(now - start_time_).count();
    return static_cast<MillisecondTimestamp>(ms % UINT32_MAX);
  }

Field Documentation

◆ start_time_

std::chrono::system_clock::time_point LibXR::WebAsmTimebase::start_time_

private

Definition at line 48 of file webasm_timebase.hpp.

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

driver/WebAsm/webasm_timebase.hpp

Public Member Functions

Private Attributes

Additional Inherited Members