Initialization and Configuration functions. More...

Collaboration diagram for Initialization and Configuration functions:

Functions
void	OPAMP_Cmd (uint32_t OPAMP_Selection, FunctionalState NewState)
	Enable or disable the OPAMP peripheral. More...

void	OPAMP_DeInit (uint32_t OPAMP_Selection)
	Deinitializes OPAMP peripheral registers to their default reset values. More...

uint32_t	OPAMP_GetOutputLevel (uint32_t OPAMP_Selection)
	Return the output level (high or low) during calibration of the selected OPAMP. More...

void	OPAMP_Init (uint32_t OPAMP_Selection, OPAMP_InitTypeDef *OPAMP_InitStruct)
	Initializes the OPAMP peripheral according to the specified parameters in OPAMP_InitStruct. More...

void	OPAMP_OffsetTrimConfig (uint32_t OPAMP_Selection, uint32_t OPAMP_Input, uint32_t OPAMP_TrimValue)
	Configure the trimming value of the OPAMP. More...

void	OPAMP_OffsetTrimModeSelect (uint32_t OPAMP_Selection, uint32_t OPAMP_Trimming)
	Select the trimming mode. More...

void	OPAMP_PGAConfig (uint32_t OPAMP_Selection, uint32_t OPAMP_PGAGain, uint32_t OPAMP_PGAConnect)
	Configure the feedback resistor gain. More...

void	OPAMP_StartCalibration (uint32_t OPAMP_Selection, FunctionalState NewState)
	Start or stop the calibration of selected OPAMP peripheral. More...

void	OPAMP_StructInit (OPAMP_InitTypeDef *OPAMP_InitStruct)
	Fills each OPAMP_InitStruct member with its default value. More...

void	OPAMP_TimerControlledMuxCmd (uint32_t OPAMP_Selection, FunctionalState NewState)
	Enable or disable the timer-controlled mux mode. More...

void	OPAMP_TimerControlledMuxConfig (uint32_t OPAMP_Selection, OPAMP_InitTypeDef *OPAMP_InitStruct)
	Configure the OPAMP peripheral (secondary inputs) for timer-controlled mux mode according to the specified parameters in OPAMP_InitStruct. More...

void	OPAMP_VrefConfig (uint32_t OPAMP_Selection, uint32_t OPAMP_Vref)
	Configure the OPAMP's internal reference. More...

void	OPAMP_VrefConnectADCCmd (uint32_t OPAMP_Selection, FunctionalState NewState)
	Enables or disables connecting the OPAMP's internal reference to ADC. More...

void	OPAMP_VrefConnectNonInvertingInput (uint32_t OPAMP_Selection, FunctionalState NewState)
	Connnect the internal reference to the OPAMP's non inverting input. More...

Detailed Description

Initialization and Configuration functions.

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             ##### Initialization and Configuration functions #####
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Function Documentation

void OPAMP_Cmd	(	uint32_t	OPAMP_Selection,
		FunctionalState	NewState
	)

Enable or disable the OPAMP peripheral.

Note: If the selected OPAMP is locked, enable/disable can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
NewState	new state of the OPAMP peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 393 of file stm32f30x_opamp.c.

void OPAMP_DeInit ( uint32_t OPAMP_Selection )

Deinitializes OPAMP peripheral registers to their default reset values.

Note: Deinitialization can't be performed if the OPAMP configuration is locked. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
None

Return values

None

< Set OPAMP_CSR register to reset value

Definition at line 144 of file stm32f30x_opamp.c.

uint32_t OPAMP_GetOutputLevel ( uint32_t OPAMP_Selection )

Return the output level (high or low) during calibration of the selected OPAMP.

Parameters

OPAMP_Selection

the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.

OPAMP output is low when the non-inverting input is at a lower voltage than the inverting input
OPAMP output is high when the non-inverting input is at a higher voltage than the inverting input

Note: OPAMP ouput level is provided only during calibration phase.

Return values

Returns the selected OPAMP output level: low or high.

Definition at line 424 of file stm32f30x_opamp.c.

void OPAMP_Init	(	uint32_t	OPAMP_Selection,
		OPAMP_InitTypeDef *	OPAMP_InitStruct
	)

Initializes the OPAMP peripheral according to the specified parameters in OPAMP_InitStruct.

Note: If the selected OPAMP is locked, initialization can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
OPAMP_InitStruct	pointer to an OPAMP_InitTypeDef structure that contains the configuration information for the specified OPAMP peripheral. OPAMP_InvertingInput specifies the inverting input of OPAMP OPAMP_NonInvertingInput specifies the non inverting input of OPAMP

Return values

None

< Get the OPAMPx_CSR register value

< Clear the inverting and non inverting bits selection bits

< Configure OPAMP: inverting and non inverting inputs

< Write to OPAMPx_CSR register

Definition at line 164 of file stm32f30x_opamp.c.

void OPAMP_OffsetTrimConfig	(	uint32_t	OPAMP_Selection,
		uint32_t	OPAMP_Input,
		uint32_t	OPAMP_TrimValue
	)

Configure the trimming value of the OPAMP.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
OPAMP_Input	the selected OPAMP input. This parameter can be one of the following values: OPAMP_Input_Inverting: Inverting input is selected to configure the trimming value OPAMP_Input_NonInverting: Non inverting input is selected to configure the trimming value
OPAMP_TrimValue	the trimming value. This parameter can be any value lower or equal to 0x0000001F.

Return values

None

< Get the OPAMPx_CSR register value

< Clear the trimming bits

< Configure the new trimming value

< Write to OPAMPx_CSR register

Definition at line 484 of file stm32f30x_opamp.c.

void OPAMP_OffsetTrimModeSelect	(	uint32_t	OPAMP_Selection,
		uint32_t	OPAMP_Trimming
	)

Select the trimming mode.

Parameters

OffsetTrimming

the selected offset trimming mode. This parameter can be one of the following values:

OPAMP_Trimming_Factory: factory trimming values are used for offset calibration
OPAMP_Trimming_User: user trimming values are used for offset calibration

Note: When OffsetTrimming_User is selected, use OPAMP_OffsetTrimConfig() function or OPAMP_OffsetTrimLowPowerConfig() function to adjust trimming value.

Return values

None

Definition at line 458 of file stm32f30x_opamp.c.

void OPAMP_PGAConfig	(	uint32_t	OPAMP_Selection,
		uint32_t	OPAMP_PGAGain,
		uint32_t	OPAMP_PGAConnect
	)

Configure the feedback resistor gain.

Note: If the selected OPAMP is locked, gain configuration can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
NewState	new state of the OPAMP peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 209 of file stm32f30x_opamp.c.

void OPAMP_StartCalibration	(	uint32_t	OPAMP_Selection,
		FunctionalState	NewState
	)

Start or stop the calibration of selected OPAMP peripheral.

Note: If the selected OPAMP is locked, start/stop can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
NewState	new state of the OPAMP peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 517 of file stm32f30x_opamp.c.

void OPAMP_StructInit ( OPAMP_InitTypeDef * OPAMP_InitStruct )

Fills each OPAMP_InitStruct member with its default value.

Parameters

OPAMP_InitStruct pointer to an OPAMP_InitTypeDef structure which will be initialized.

Return values

None

Definition at line 192 of file stm32f30x_opamp.c.

void OPAMP_TimerControlledMuxCmd	(	uint32_t	OPAMP_Selection,
		FunctionalState	NewState
	)

Enable or disable the timer-controlled mux mode.

Note: If the selected OPAMP is locked, enable/disable can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
NewState	new state of the OPAMP peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 364 of file stm32f30x_opamp.c.

void OPAMP_TimerControlledMuxConfig	(	uint32_t	OPAMP_Selection,
		OPAMP_InitTypeDef *	OPAMP_InitStruct
	)

Configure the OPAMP peripheral (secondary inputs) for timer-controlled mux mode according to the specified parameters in OPAMP_InitStruct.

Note: If the selected OPAMP is locked, timer-controlled mux configuration can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
OPAMP_InitStruct	pointer to an OPAMP_InitTypeDef structure that contains the configuration information for the specified OPAMP peripheral. OPAMP_InvertingInput specifies the inverting input of OPAMP OPAMP_NonInvertingInput specifies the non inverting input of OPAMP

Note: PGA and Vout can't be selected as seconadry inverting input.

Return values

None

< Get the OPAMPx_CSR register value

< Clear the secondary inverting bit, secondary non inverting bit and TCMEN bits

< Configure OPAMP: secondary inverting and non inverting inputs

< Write to OPAMPx_CSR register

Definition at line 331 of file stm32f30x_opamp.c.

void OPAMP_VrefConfig	(	uint32_t	OPAMP_Selection,
		uint32_t	OPAMP_Vref
	)

Configure the OPAMP's internal reference.

Note: This feature is used when calibration enabled or OPAMP's reference connected to the non inverting input.; If the selected OPAMP is locked, Vref configuration can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
OPAMP_Vref	This parameter can be: OPAMP_Vref_3VDDA: OPMAP Vref = 3.3% VDDA OPAMP_Vref_10VDDA: OPMAP Vref = 10% VDDA OPAMP_Vref_50VDDA: OPMAP Vref = 50% VDDA OPAMP_Vref_90VDDA: OPMAP Vref = 90% VDDA

Return values

None

< Get the OPAMPx_CSR register value

< Clear the CALSEL bits

< Configure OPAMP reference

< Write to OPAMPx_CSR register

Definition at line 239 of file stm32f30x_opamp.c.

void OPAMP_VrefConnectADCCmd	(	uint32_t	OPAMP_Selection,
		FunctionalState	NewState
	)

Enables or disables connecting the OPAMP's internal reference to ADC.

Note: If the selected OPAMP is locked, Vref connection can't be performed. To unlock the configuration, perform a system reset.

Parameters

NewState new state of the Vrefint output. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 297 of file stm32f30x_opamp.c.

void OPAMP_VrefConnectNonInvertingInput	(	uint32_t	OPAMP_Selection,
		FunctionalState	NewState
	)

Connnect the internal reference to the OPAMP's non inverting input.

Note: If the selected OPAMP is locked, Vref configuration can't be performed. To unlock the configuration, perform a system reset.

Parameters

OPAMP_Selection	the selected OPAMP. This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to select the OPAMP peripheral.
NewState	new state of the OPAMP peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 271 of file stm32f30x_opamp.c.

Functions

Detailed Description

Function Documentation