VREFBUF

Functions
__STATIC_INLINE void	LL_VREFBUF_Enable (void)
	Enable Internal voltage reference VREFBUF_CSR ENVR LL_VREFBUF_Enable. More...
__STATIC_INLINE void	LL_VREFBUF_Disable (void)
	Disable Internal voltage reference VREFBUF_CSR ENVR LL_VREFBUF_Disable. More...
__STATIC_INLINE void	LL_VREFBUF_EnableHIZ (void)
	Enable high impedance (VREF+pin is high impedance) VREFBUF_CSR HIZ LL_VREFBUF_EnableHIZ. More...
__STATIC_INLINE void	LL_VREFBUF_DisableHIZ (void)
	Disable high impedance (VREF+pin is internally connected to the voltage reference buffer output) VREFBUF_CSR HIZ LL_VREFBUF_DisableHIZ. More...
__STATIC_INLINE void	LL_VREFBUF_SetVoltageScaling (uint32_t Scale)
	Set the Voltage reference scale VREFBUF_CSR VRS LL_VREFBUF_SetVoltageScaling. More...
__STATIC_INLINE uint32_t	LL_VREFBUF_GetVoltageScaling (void)
	Get the Voltage reference scale VREFBUF_CSR VRS LL_VREFBUF_GetVoltageScaling. More...
__STATIC_INLINE uint32_t	LL_VREFBUF_IsVREFReady (void)
	Check if Voltage reference buffer is ready VREFBUF_CSR VRR LL_VREFBUF_IsVREFReady. More...
__STATIC_INLINE uint32_t	LL_VREFBUF_GetTrimming (void)
	Get the trimming code for VREFBUF calibration VREFBUF_CCR TRIM LL_VREFBUF_GetTrimming. More...
__STATIC_INLINE void	LL_VREFBUF_SetTrimming (uint32_t Value)
	Set the trimming code for VREFBUF calibration (Tune the internal reference buffer voltage) VREFBUF_CCR TRIM LL_VREFBUF_SetTrimming. More...

Detailed Description

Function Documentation

LL_VREFBUF_Disable()

__STATIC_INLINE void LL_VREFBUF_Disable

(

void

)

Disable Internal voltage reference VREFBUF_CSR ENVR LL_VREFBUF_Disable.

Return values

None

Definition at line 1286 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(VREFBUF->CSR, VREFBUF_CSR_ENVR);
}

LL_VREFBUF_DisableHIZ()

__STATIC_INLINE void LL_VREFBUF_DisableHIZ

(

void

)

Disable high impedance (VREF+pin is internally connected to the voltage reference buffer output) VREFBUF_CSR HIZ LL_VREFBUF_DisableHIZ.

Return values

None

Definition at line 1306 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(VREFBUF->CSR, VREFBUF_CSR_HIZ);
}

LL_VREFBUF_Enable()

__STATIC_INLINE void LL_VREFBUF_Enable

(

void

)

Enable Internal voltage reference VREFBUF_CSR ENVR LL_VREFBUF_Enable.

Return values

None

Definition at line 1276 of file stm32l4xx_ll_system.h.

{
  SET_BIT(VREFBUF->CSR, VREFBUF_CSR_ENVR);
}

LL_VREFBUF_EnableHIZ()

__STATIC_INLINE void LL_VREFBUF_EnableHIZ

(

void

)

Enable high impedance (VREF+pin is high impedance) VREFBUF_CSR HIZ LL_VREFBUF_EnableHIZ.

Return values

None

Definition at line 1296 of file stm32l4xx_ll_system.h.

{
  SET_BIT(VREFBUF->CSR, VREFBUF_CSR_HIZ);
}

LL_VREFBUF_GetTrimming()

__STATIC_INLINE uint32_t LL_VREFBUF_GetTrimming

(

void

)

Get the trimming code for VREFBUF calibration VREFBUF_CCR TRIM LL_VREFBUF_GetTrimming.

Return values

Between

0 and 0x3F

Definition at line 1351 of file stm32l4xx_ll_system.h.

{
  return (uint32_t)(READ_BIT(VREFBUF->CCR, VREFBUF_CCR_TRIM));
}

LL_VREFBUF_GetVoltageScaling()

__STATIC_INLINE uint32_t LL_VREFBUF_GetVoltageScaling

(

void

)

Get the Voltage reference scale VREFBUF_CSR VRS LL_VREFBUF_GetVoltageScaling.

Return values

Returned

value can be one of the following values: LL_VREFBUF_VOLTAGE_SCALE0 LL_VREFBUF_VOLTAGE_SCALE1

Definition at line 1331 of file stm32l4xx_ll_system.h.

{
  return (uint32_t)(READ_BIT(VREFBUF->CSR, VREFBUF_CSR_VRS));
}

LL_VREFBUF_IsVREFReady()

__STATIC_INLINE uint32_t LL_VREFBUF_IsVREFReady

(

void

)

Check if Voltage reference buffer is ready VREFBUF_CSR VRR LL_VREFBUF_IsVREFReady.

Return values

State

of bit (1 or 0).

Definition at line 1341 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(VREFBUF->CSR, VREFBUF_CSR_VRR) == (VREFBUF_CSR_VRR));
}

LL_VREFBUF_SetTrimming()

__STATIC_INLINE void LL_VREFBUF_SetTrimming

(

uint32_t

Value

)

Set the trimming code for VREFBUF calibration (Tune the internal reference buffer voltage) VREFBUF_CCR TRIM LL_VREFBUF_SetTrimming.

Parameters

Value

Between 0 and 0x3F

Return values

None

Definition at line 1362 of file stm32l4xx_ll_system.h.

{
  WRITE_REG(VREFBUF->CCR, Value);
}

LL_VREFBUF_SetVoltageScaling()

__STATIC_INLINE void LL_VREFBUF_SetVoltageScaling

(

uint32_t

Scale

)

Set the Voltage reference scale VREFBUF_CSR VRS LL_VREFBUF_SetVoltageScaling.

Parameters

Scale

This parameter can be one of the following values: LL_VREFBUF_VOLTAGE_SCALE0 LL_VREFBUF_VOLTAGE_SCALE1

Return values

None

Definition at line 1319 of file stm32l4xx_ll_system.h.

{
  MODIFY_REG(VREFBUF->CSR, VREFBUF_CSR_VRS, Scale);
}