LibXR::ESP32Timebase Class Reference

ESP32 时间基准实现 / ESP32 timebase implementation. More...

#include <esp_timebase.hpp>

Inheritance diagram for LibXR::ESP32Timebase:

Collaboration diagram for LibXR::ESP32Timebase:

Public Member Functions
	ESP32Timebase ()
	构造函数 / Constructor
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.

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

ESP32 时间基准实现 / ESP32 timebase implementation.

基于 esp_timer 提供微秒和毫秒时间戳。 在支持的平台上使用 systimer HAL 快速路径。 Provides microsecond and millisecond timestamps based on esp_timer. Uses optional systimer HAL fast path when available.

Definition at line 23 of file esp_timebase.hpp.

Constructor & Destructor Documentation

ESP32Timebase()

LibXR::ESP32Timebase::ESP32Timebase

(

)

构造函数 / Constructor

Definition at line 11 of file esp_timebase.cpp.

                             : Timebase(static_cast<uint64_t>(UINT64_MAX), UINT32_MAX)
{
#if SOC_SYSTIMER_SUPPORTED
  systimer_hal_init(&systimer_hal_);
 
  systimer_hal_tick_rate_ops_t tick_rate_ops = {
      .ticks_to_us = systimer_ticks_to_us,
      .us_to_ticks = systimer_us_to_ticks,
  };
  systimer_hal_set_tick_rate_ops(&systimer_hal_, &tick_rate_ops);
  systimer_hal_enable_counter(&systimer_hal_, SYSTIMER_COUNTER_ESPTIMER);
  systimer_ready_ = true;
#endif
}

Member Function Documentation

_get_microseconds()

MicrosecondTimestamp IRAM_ATTR LibXR::ESP32Timebase::_get_microseconds ( )

overridevirtual

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 26 of file esp_timebase.cpp.

{
#if SOC_SYSTIMER_SUPPORTED
  if (systimer_ready_)
  {
    return systimer_hal_get_time(&systimer_hal_, SYSTIMER_COUNTER_ESPTIMER);
  }
#endif
  return static_cast<MicrosecondTimestamp>(esp_timer_get_time());
}

_get_milliseconds()

MillisecondTimestamp IRAM_ATTR LibXR::ESP32Timebase::_get_milliseconds ( )

overridevirtual

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 37 of file esp_timebase.cpp.

{
  return MillisecondTimestamp(static_cast<uint32_t>(_get_microseconds() / 1000ULL));
}

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

• driver/esp/esp_timebase.hpp
• driver/esp/esp_timebase.cpp