Configuration and operation of OPAMP trimming

Functions
__STATIC_INLINE void	LL_OPAMP_SetTrimmingMode (OPAMP_TypeDef *OPAMPx, uint32_t TrimmingMode)
	Set OPAMP trimming mode. CSR USERTRIM LL_OPAMP_SetTrimmingMode. More...
__STATIC_INLINE uint32_t	LL_OPAMP_GetTrimmingMode (OPAMP_TypeDef *OPAMPx)
	Get OPAMP trimming mode. CSR USERTRIM LL_OPAMP_GetTrimmingMode. More...
__STATIC_INLINE void	LL_OPAMP_SetCalibrationSelection (OPAMP_TypeDef *OPAMPx, uint32_t TransistorsDiffPair)
	Set OPAMP offset to calibrate the selected transistors differential pair NMOS or PMOS. More...
__STATIC_INLINE uint32_t	LL_OPAMP_GetCalibrationSelection (OPAMP_TypeDef *OPAMPx)
	Get OPAMP offset to calibrate the selected transistors differential pair NMOS or PMOS. More...
__STATIC_INLINE uint32_t	LL_OPAMP_IsCalibrationOutputSet (OPAMP_TypeDef *OPAMPx)
	Get OPAMP calibration result of toggling output. More...
__STATIC_INLINE void	LL_OPAMP_SetTrimmingValue (OPAMP_TypeDef *OPAMPx, uint32_t PowerMode, uint32_t TransistorsDiffPair, uint32_t TrimmingValue)
	Set OPAMP trimming factor for the selected transistors differential pair NMOS or PMOS, corresponding to the selected power mode. OTR TRIMOFFSETN LL_OPAMP_SetTrimmingValue OTR TRIMOFFSETP LL_OPAMP_SetTrimmingValue LPOTR TRIMLPOFFSETN LL_OPAMP_SetTrimmingValue LPOTR TRIMLPOFFSETP LL_OPAMP_SetTrimmingValue. More...
__STATIC_INLINE uint32_t	LL_OPAMP_GetTrimmingValue (OPAMP_TypeDef *OPAMPx, uint32_t PowerMode, uint32_t TransistorsDiffPair)
	Get OPAMP trimming factor for the selected transistors differential pair NMOS or PMOS, corresponding to the selected power mode. OTR TRIMOFFSETN LL_OPAMP_GetTrimmingValue OTR TRIMOFFSETP LL_OPAMP_GetTrimmingValue LPOTR TRIMLPOFFSETN LL_OPAMP_GetTrimmingValue LPOTR TRIMLPOFFSETP LL_OPAMP_GetTrimmingValue. More...

Detailed Description

Function Documentation

LL_OPAMP_GetCalibrationSelection()

__STATIC_INLINE uint32_t LL_OPAMP_GetCalibrationSelection

(

OPAMP_TypeDef *

OPAMPx

)

Get OPAMP offset to calibrate the selected transistors differential pair NMOS or PMOS.

Note

Preliminarily, OPAMP must be set in mode calibration using function LL_OPAMP_SetMode(). CSR CALSEL LL_OPAMP_GetCalibrationSelection

Parameters

OPAMPx

OPAMP instance

Return values

Returned

value can be one of the following values: LL_OPAMP_TRIMMING_NMOS LL_OPAMP_TRIMMING_PMOS

Definition at line 708 of file stm32l4xx_ll_opamp.h.

{
  register uint32_t CalibrationSelection = (uint32_t)(READ_BIT(OPAMPx->CSR, OPAMP_CSR_CALSEL));

  return (CalibrationSelection |
          (((CalibrationSelection & OPAMP_CSR_CALSEL) == 0UL) ? OPAMP_OTR_TRIMOFFSETN : OPAMP_OTR_TRIMOFFSETP));
}

LL_OPAMP_GetTrimmingMode()

__STATIC_INLINE uint32_t LL_OPAMP_GetTrimmingMode

(

OPAMP_TypeDef *

OPAMPx

)

Get OPAMP trimming mode. CSR USERTRIM LL_OPAMP_GetTrimmingMode.

Parameters

OPAMPx

OPAMP instance

Return values

Returned

value can be one of the following values: LL_OPAMP_TRIMMING_FACTORY LL_OPAMP_TRIMMING_USER

Definition at line 673 of file stm32l4xx_ll_opamp.h.

{
  return (uint32_t)(READ_BIT(OPAMPx->CSR, OPAMP_CSR_USERTRIM));
}

LL_OPAMP_GetTrimmingValue()

__STATIC_INLINE uint32_t LL_OPAMP_GetTrimmingValue	(	OPAMP_TypeDef *	OPAMPx,
		uint32_t	PowerMode,
		uint32_t	TransistorsDiffPair
	)

Get OPAMP trimming factor for the selected transistors differential pair NMOS or PMOS, corresponding to the selected power mode. OTR TRIMOFFSETN LL_OPAMP_GetTrimmingValue
OTR TRIMOFFSETP LL_OPAMP_GetTrimmingValue
LPOTR TRIMLPOFFSETN LL_OPAMP_GetTrimmingValue
LPOTR TRIMLPOFFSETP LL_OPAMP_GetTrimmingValue.

Parameters

OPAMPx	OPAMP instance
PowerMode	This parameter can be one of the following values: LL_OPAMP_POWERMODE_NORMAL LL_OPAMP_POWERMODE_LOWPOWER
TransistorsDiffPair	This parameter can be one of the following values: LL_OPAMP_TRIMMING_NMOS LL_OPAMP_TRIMMING_PMOS

Return values

0x0...0x1F

Definition at line 778 of file stm32l4xx_ll_opamp.h.

{
  register const uint32_t *preg = __OPAMP_PTR_REG_OFFSET(OPAMPx->OTR, (PowerMode & OPAMP_POWERMODE_OTR_REGOFFSET_MASK));

  /* Retrieve bits with position in register depending on parameter           */
  /* "TransistorsDiffPair".                                                   */
  /* Parameter used with mask "OPAMP_TRIMMING_VALUE_MASK" because             */
  /* containing other bits reserved for other purpose.                        */
  return (uint32_t)(READ_BIT(*preg, (TransistorsDiffPair & OPAMP_TRIMMING_VALUE_MASK))
                    >> ((TransistorsDiffPair == LL_OPAMP_TRIMMING_NMOS) ? OPAMP_OTR_TRIMOFFSETN_Pos : OPAMP_OTR_TRIMOFFSETP_Pos));
}

LL_OPAMP_IsCalibrationOutputSet()

__STATIC_INLINE uint32_t LL_OPAMP_IsCalibrationOutputSet

(

OPAMP_TypeDef *

OPAMPx

)

Get OPAMP calibration result of toggling output.

Note

This functions returns: 0 if OPAMP calibration output is reset 1 if OPAMP calibration output is set CSR CALOUT LL_OPAMP_IsCalibrationOutputSet

Parameters

OPAMPx

OPAMP instance

Return values

State

of bit (1 or 0).

Definition at line 725 of file stm32l4xx_ll_opamp.h.

{
  return ((READ_BIT(OPAMPx->CSR, OPAMP_CSR_CALOUT) == OPAMP_CSR_CALOUT) ? 1UL : 0UL);
}

LL_OPAMP_SetCalibrationSelection()

__STATIC_INLINE void LL_OPAMP_SetCalibrationSelection	(	OPAMP_TypeDef *	OPAMPx,
		uint32_t	TransistorsDiffPair
	)

Set OPAMP offset to calibrate the selected transistors differential pair NMOS or PMOS.

Note

Preliminarily, OPAMP must be set in mode calibration using function LL_OPAMP_SetMode(). CSR CALSEL LL_OPAMP_SetCalibrationSelection

Parameters

OPAMPx	OPAMP instance
TransistorsDiffPair	This parameter can be one of the following values: LL_OPAMP_TRIMMING_NMOS LL_OPAMP_TRIMMING_PMOS

Return values

None

Definition at line 690 of file stm32l4xx_ll_opamp.h.

{
  /* Parameter used with mask "OPAMP_TRIMMING_SELECT_MASK" because            */
  /* containing other bits reserved for other purpose.                        */
  MODIFY_REG(OPAMPx->CSR, OPAMP_CSR_CALSEL, (TransistorsDiffPair & OPAMP_TRIMMING_SELECT_MASK));
}

LL_OPAMP_SetTrimmingMode()

__STATIC_INLINE void LL_OPAMP_SetTrimmingMode	(	OPAMP_TypeDef *	OPAMPx,
		uint32_t	TrimmingMode
	)

Set OPAMP trimming mode. CSR USERTRIM LL_OPAMP_SetTrimmingMode.

Parameters

OPAMPx	OPAMP instance
TrimmingMode	This parameter can be one of the following values: LL_OPAMP_TRIMMING_FACTORY LL_OPAMP_TRIMMING_USER

Return values

None

Definition at line 660 of file stm32l4xx_ll_opamp.h.

{
  MODIFY_REG(OPAMPx->CSR, OPAMP_CSR_USERTRIM, TrimmingMode);
}

LL_OPAMP_SetTrimmingValue()

__STATIC_INLINE void LL_OPAMP_SetTrimmingValue	(	OPAMP_TypeDef *	OPAMPx,
		uint32_t	PowerMode,
		uint32_t	TransistorsDiffPair,
		uint32_t	TrimmingValue
	)

Set OPAMP trimming factor for the selected transistors differential pair NMOS or PMOS, corresponding to the selected power mode. OTR TRIMOFFSETN LL_OPAMP_SetTrimmingValue
OTR TRIMOFFSETP LL_OPAMP_SetTrimmingValue
LPOTR TRIMLPOFFSETN LL_OPAMP_SetTrimmingValue
LPOTR TRIMLPOFFSETP LL_OPAMP_SetTrimmingValue.

Parameters

OPAMPx	OPAMP instance
PowerMode	This parameter can be one of the following values: LL_OPAMP_POWERMODE_NORMAL LL_OPAMP_POWERMODE_LOWPOWER
TransistorsDiffPair	This parameter can be one of the following values: LL_OPAMP_TRIMMING_NMOS LL_OPAMP_TRIMMING_PMOS
TrimmingValue	0x00...0x1F

Return values

None

Definition at line 748 of file stm32l4xx_ll_opamp.h.

{
  register uint32_t *preg = __OPAMP_PTR_REG_OFFSET(OPAMPx->OTR, (PowerMode & OPAMP_POWERMODE_OTR_REGOFFSET_MASK));

  /* Set bits with position in register depending on parameter                */
  /* "TransistorsDiffPair".                                                   */
  /* Parameter used with mask "OPAMP_TRIMMING_VALUE_MASK" because             */
  /* containing other bits reserved for other purpose.                        */
  MODIFY_REG(*preg,
           (TransistorsDiffPair & OPAMP_TRIMMING_VALUE_MASK),
             TrimmingValue << ((TransistorsDiffPair == LL_OPAMP_TRIMMING_NMOS) ? OPAMP_OTR_TRIMOFFSETN_Pos : OPAMP_OTR_TRIMOFFSETP_Pos));
}