HPM MCHTMR 时间基准实现 / HPM MCHTMR based timebase implementation. More...

#include <hpm_timebase.hpp>

Inheritance diagram for LibXR::HPMTimebase:

Collaboration diagram for LibXR::HPMTimebase:

Public Member Functions
	HPMTimebase (MCHTMR_Type *timer=HPM_MCHTMR, clock_name_t clock=clock_mchtmr0)
	构造 HPM 时间基对象 / Construct an HPM timebase object.

MicrosecondTimestamp	_get_microseconds () override
	获取微秒时间戳 / Get current timestamp in microseconds.

MillisecondTimestamp	_get_milliseconds () override
	获取毫秒时间戳 / 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
MCHTMR_Type *	timer_
	定时器外设实例 / Timer peripheral instance.

uint32_t	clock_hz_
	定时器输入时钟频率(Hz) / Timer input clock frequency in Hz.

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

HPM MCHTMR 时间基准实现 / HPM MCHTMR based timebase implementation.

基于 MCHTMR 计数器提供微秒与毫秒时间戳。 Provides microsecond and millisecond timestamps using MCHTMR counter.

Definition at line 19 of file hpm_timebase.hpp.

Constructor & Destructor Documentation

◆ HPMTimebase()

HPMTimebase::HPMTimebase	(	MCHTMR_Type *	timer = HPM_MCHTMR,
		clock_name_t	clock = clock_mchtmr0 )

构造 HPM 时间基对象 / Construct an HPM timebase object.

Parameters

timer	MCHTMR 外设基地址 / MCHTMR base address.
clock	定时器时钟源 / Clock source used by the timer.

Definition at line 19 of file hpm_timebase.cpp.

    : Timebase(static_cast<uint64_t>(UINT32_MAX) * 1000 + 999, UINT32_MAX),
      timer_(timer),
      clock_hz_(clock_get_frequency(clock))
{
}

Member Function Documentation

◆ _get_microseconds()

MicrosecondTimestamp HPMTimebase::_get_microseconds ( )

overridevirtual

获取微秒时间戳 / Get current timestamp in microseconds.

Returns: 当前微秒时间戳 / Current microsecond timestamp.

Implements LibXR::Timebase.

Definition at line 26 of file hpm_timebase.cpp.

{
  const uint64_t ticks = mchtmr_get_count(timer_);
  return MicrosecondTimestamp(ConvertTicksToTime(ticks, clock_hz_, 1000000ULL));
}

◆ _get_milliseconds()

MillisecondTimestamp HPMTimebase::_get_milliseconds ( )

overridevirtual

获取毫秒时间戳 / Get current timestamp in milliseconds.

Returns: 当前毫秒时间戳 / Current millisecond timestamp.

Implements LibXR::Timebase.

Definition at line 32 of file hpm_timebase.cpp.

{
  const uint64_t ticks = mchtmr_get_count(timer_);
  return MillisecondTimestamp(ConvertTicksToTime(ticks, clock_hz_, 1000ULL));
}

Field Documentation

◆ clock_hz_

uint32_t LibXR::HPMTimebase::clock_hz_

private

定时器输入时钟频率(Hz) / Timer input clock frequency in Hz.

Definition at line 45 of file hpm_timebase.hpp.

◆ timer_

MCHTMR_Type* LibXR::HPMTimebase::timer_

private

定时器外设实例 / Timer peripheral instance.

Definition at line 43 of file hpm_timebase.hpp.

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

driver/hpm/hpm_timebase.hpp
driver/hpm/hpm_timebase.cpp

Public Member Functions

Private Attributes

Additional Inherited Members