HSI

Functions
__STATIC_INLINE void	LL_RCC_HSI_EnableInStopMode (void)
	Enable HSI even in stop mode. More...
__STATIC_INLINE void	LL_RCC_HSI_DisableInStopMode (void)
	Disable HSI in stop mode CR HSIKERON LL_RCC_HSI_DisableInStopMode. More...
__STATIC_INLINE uint32_t	LL_RCC_HSI_IsEnabledInStopMode (void)
	Check if HSI is enabled in stop mode CR HSIKERON LL_RCC_HSI_IsEnabledInStopMode. More...
__STATIC_INLINE void	LL_RCC_HSI_Enable (void)
	Enable HSI oscillator CR HSION LL_RCC_HSI_Enable. More...
__STATIC_INLINE void	LL_RCC_HSI_Disable (void)
	Disable HSI oscillator CR HSION LL_RCC_HSI_Disable. More...
__STATIC_INLINE uint32_t	LL_RCC_HSI_IsReady (void)
	Check if HSI clock is ready CR HSIRDY LL_RCC_HSI_IsReady. More...
__STATIC_INLINE void	LL_RCC_HSI_EnableAutoFromStop (void)
	Enable HSI Automatic from stop mode CR HSIASFS LL_RCC_HSI_EnableAutoFromStop. More...
__STATIC_INLINE void	LL_RCC_HSI_DisableAutoFromStop (void)
	Disable HSI Automatic from stop mode CR HSIASFS LL_RCC_HSI_DisableAutoFromStop. More...
__STATIC_INLINE uint32_t	LL_RCC_HSI_GetCalibration (void)
	Get HSI Calibration value. More...
__STATIC_INLINE void	LL_RCC_HSI_SetCalibTrimming (uint32_t Value)
	Set HSI Calibration trimming. More...
__STATIC_INLINE uint32_t	LL_RCC_HSI_GetCalibTrimming (void)
	Get HSI Calibration trimming ICSCR HSITRIM LL_RCC_HSI_GetCalibTrimming. More...

Detailed Description

Function Documentation

LL_RCC_HSI_Disable()

__STATIC_INLINE void LL_RCC_HSI_Disable

(

void

)

Disable HSI oscillator CR HSION LL_RCC_HSI_Disable.

Return values

None

Definition at line 2135 of file stm32l4xx_ll_rcc.h.

{
  CLEAR_BIT(RCC->CR, RCC_CR_HSION);
}

LL_RCC_HSI_DisableAutoFromStop()

__STATIC_INLINE void LL_RCC_HSI_DisableAutoFromStop

(

void

)

Disable HSI Automatic from stop mode CR HSIASFS LL_RCC_HSI_DisableAutoFromStop.

Return values

None

Definition at line 2165 of file stm32l4xx_ll_rcc.h.

{
  CLEAR_BIT(RCC->CR, RCC_CR_HSIASFS);
}

LL_RCC_HSI_DisableInStopMode()

__STATIC_INLINE void LL_RCC_HSI_DisableInStopMode

(

void

)

Disable HSI in stop mode CR HSIKERON LL_RCC_HSI_DisableInStopMode.

Return values

None

Definition at line 2105 of file stm32l4xx_ll_rcc.h.

{
  CLEAR_BIT(RCC->CR, RCC_CR_HSIKERON);
}

LL_RCC_HSI_Enable()

__STATIC_INLINE void LL_RCC_HSI_Enable

(

void

)

Enable HSI oscillator CR HSION LL_RCC_HSI_Enable.

Return values

None

Definition at line 2125 of file stm32l4xx_ll_rcc.h.

{
  SET_BIT(RCC->CR, RCC_CR_HSION);
}

LL_RCC_HSI_EnableAutoFromStop()

__STATIC_INLINE void LL_RCC_HSI_EnableAutoFromStop

(

void

)

Enable HSI Automatic from stop mode CR HSIASFS LL_RCC_HSI_EnableAutoFromStop.

Return values

None

Definition at line 2155 of file stm32l4xx_ll_rcc.h.

{
  SET_BIT(RCC->CR, RCC_CR_HSIASFS);
}

LL_RCC_HSI_EnableInStopMode()

__STATIC_INLINE void LL_RCC_HSI_EnableInStopMode

(

void

)

Enable HSI even in stop mode.

Note

HSI oscillator is forced ON even in Stop mode CR HSIKERON LL_RCC_HSI_EnableInStopMode

Return values

None

Definition at line 2095 of file stm32l4xx_ll_rcc.h.

{
  SET_BIT(RCC->CR, RCC_CR_HSIKERON);
}

LL_RCC_HSI_GetCalibration()

__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration

(

void

)

Get HSI Calibration value.

Note

When HSITRIM is written, HSICAL is updated with the sum of HSITRIM and the factory trim value ICSCR HSICAL LL_RCC_HSI_GetCalibration

Return values

Between

Min_Data = 0x00 and Max_Data = 0xFF

Definition at line 2176 of file stm32l4xx_ll_rcc.h.

{
  return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSICAL) >> RCC_ICSCR_HSICAL_Pos);
}

LL_RCC_HSI_GetCalibTrimming()

__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming

(

void

)

Get HSI Calibration trimming ICSCR HSITRIM LL_RCC_HSI_GetCalibTrimming.

Return values

Between

Min_Data = 0 and Max_Data = 31

Definition at line 2200 of file stm32l4xx_ll_rcc.h.

{
  return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSITRIM) >> RCC_ICSCR_HSITRIM_Pos);
}

LL_RCC_HSI_IsEnabledInStopMode()

__STATIC_INLINE uint32_t LL_RCC_HSI_IsEnabledInStopMode

(

void

)

Check if HSI is enabled in stop mode CR HSIKERON LL_RCC_HSI_IsEnabledInStopMode.

Return values

State

of bit (1 or 0).

Definition at line 2115 of file stm32l4xx_ll_rcc.h.

{
  return ((READ_BIT(RCC->CR, RCC_CR_HSIKERON) == RCC_CR_HSIKERON) ? 1UL : 0UL);
}

LL_RCC_HSI_IsReady()

__STATIC_INLINE uint32_t LL_RCC_HSI_IsReady

(

void

)

Check if HSI clock is ready CR HSIRDY LL_RCC_HSI_IsReady.

Return values

State

of bit (1 or 0).

Definition at line 2145 of file stm32l4xx_ll_rcc.h.

{
  return ((READ_BIT(RCC->CR, RCC_CR_HSIRDY) == RCC_CR_HSIRDY) ? 1UL : 0UL);
}

LL_RCC_HSI_SetCalibTrimming()

__STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming

(

uint32_t

Value

)

Set HSI Calibration trimming.

Note

user-programmable trimming value that is added to the HSICAL

Default value is 16, which, when added to the HSICAL value, should trim the HSI to 16 MHz +/- 1 % ICSCR HSITRIM LL_RCC_HSI_SetCalibTrimming

Parameters

Value

Between Min_Data = 0 and Max_Data = 31

Return values

None

Definition at line 2190 of file stm32l4xx_ll_rcc.h.

{
  MODIFY_REG(RCC->ICSCR, RCC_ICSCR_HSITRIM, Value << RCC_ICSCR_HSITRIM_Pos);
}