COMP

COMP driver modules. More...

Modules
	COMP_Exported_Types
	COMP_Private_Functions
Functions
void	COMP_ClearFlag (COMP_Selection_TypeDef COMP_Selection)
	Clears the comparator�s pending flag.
void	COMP_ClearITPendingBit (COMP_Selection_TypeDef COMP_Selection)
	Clears the interrupt pending bits of the comparator.
void	COMP_DeInit (void)
	Deinitializes the COMPx peripheral registers to their default reset values.
void	COMP_EdgeConfig (COMP_Selection_TypeDef COMP_Selection, COMP_Edge_TypeDef COMP_Edge)
	Configures the COMP edge detection.
FlagStatus	COMP_GetFlagStatus (COMP_Selection_TypeDef COMP_Selection)
	Checks whether the comparator flag is set or not.
ITStatus	COMP_GetITStatus (COMP_Selection_TypeDef COMP_Selection)
	Checks whether the comparator interrupt has occurred or not.
COMP_OutputLevel_TypeDef	COMP_GetOutputLevel (COMP_Selection_TypeDef COMP_Selection)
	Returns the output level of the comparator.
void	COMP_Init (COMP_InvertingInput_Typedef COMP_InvertingInput, COMP_OutputSelect_Typedef COMP_OutputSelect, COMP_Speed_TypeDef COMP_Speed)
	Initializes the comparator inverting input, output and speed.
void	COMP_ITConfig (COMP_Selection_TypeDef COMP_Selection, FunctionalState NewState)
	Enables or disables the interrupt generation when an event is detected.
void	COMP_SchmittTriggerCmd (FunctionalState NewState)
	Enables or disables the schmitt trigger.
void	COMP_TriggerConfig (COMP_TriggerGroup_TypeDef COMP_TriggerGroup, COMP_TriggerPin_TypeDef COMP_TriggerPin, FunctionalState NewState)
	Enables or disables trigger on the specified input/output group.
void	COMP_VrefintOutputCmd (FunctionalState NewState)
	Enables or disables the output of the internal reference voltage.
void	COMP_VrefintToCOMP1Connect (FunctionalState NewState)
	Enables or disables connection between VREFINT and COMP1 inverting input.
void	COMP_WindowCmd (FunctionalState NewState)
	Enables or disables the window mode.

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Detailed Description

COMP driver modules.

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Function Documentation

void COMP_ClearFlag

(

COMP_Selection_TypeDef

COMP_Selection

)

Clears the comparator�s pending flag.

Parameters:

COMP_Selection

: selects the comparator This parameter can be one of the following values: COMP_Selection_COMP1: Selection of Comparator 1 COMP_Selection_COMP2: Selection of Comparator 2

Return values:

None.

Definition at line 605 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_EF1, COMP_CSR2_EF2, COMP_Selection_COMP1, and IS_COMP_ALL_PERIPH.

void COMP_ClearITPendingBit

(

COMP_Selection_TypeDef

COMP_Selection

)

Clears the interrupt pending bits of the comparator.

Parameters:

COMP_Selection

: selects the comparator This parameter can be one of the following values: COMP_Selection_COMP1: Selection of Comparator 1 COMP_Selection_COMP2: Selection of Comparator 2

Return values:

None

Definition at line 689 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_EF1, COMP_CSR2_EF2, COMP_Selection_COMP1, and IS_COMP_ALL_PERIPH.

void COMP_DeInit

(

void

)

Deinitializes the COMPx peripheral registers to their default reset values.

Parameters:

None.

Return values:

None.

Definition at line 105 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_RESET_VALUE, COMP_CSR2_RESET_VALUE, COMP_CSR3_RESET_VALUE, COMP_CSR4_RESET_VALUE, and COMP_CSR5_RESET_VALUE.

void COMP_EdgeConfig	(	COMP_Selection_TypeDef	COMP_Selection,
		COMP_Edge_TypeDef	COMP_Edge
	)

Configures the COMP edge detection.

Parameters:

COMP_Selection,:	selects the comparator. This parameter can be one of the following values: COMP_Selection_COMP1: Selection of Comparator 1 COMP_Selection_COMP2: Selection of Comparator 2
COMP_Edge,:	This parameter can be one of the following values: COMP_Edge_Falling: Falling edge selection COMP_Edge_Rising: Rising edge selection COMP_Edge_Rising_Falling: Rising and Falling edge selection

Return values:

None.

Definition at line 206 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_CMP1, COMP_CSR2_CMP2, COMP_Selection_COMP1, IS_COMP_ALL_PERIPH, and IS_COMP_EDGE.

FlagStatus COMP_GetFlagStatus

(

COMP_Selection_TypeDef

COMP_Selection

)

Checks whether the comparator flag is set or not.

Parameters:

COMP_Selection

: selects the comparator This parameter can be one of the following values: COMP_Selection_COMP1: Selection of Comparator 1 COMP_Selection_COMP2: Selection of Comparator 2

Return values:

The	new state of COMPx event flag (SET or RESET).

Definition at line 558 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_EF1, COMP_CSR2_EF2, COMP_Selection_COMP1, IS_COMP_ALL_PERIPH, RESET, and SET.

ITStatus COMP_GetITStatus

(

COMP_Selection_TypeDef

COMP_Selection

)

Checks whether the comparator interrupt has occurred or not.

Parameters:

COMP_Selection

: selects the comparator This parameter can be one of the following values: COMP_Selection_COMP1: Selection of Comparator 1 COMP_Selection_COMP2: Selection of Comparator 2

Return values:

ITStatus

: The state of the COMPx event flag (SET or RESET).

Definition at line 630 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_EF1, COMP_CSR1_IE1, COMP_CSR2_EF2, COMP_CSR2_IE2, COMP_Selection_COMP1, IS_COMP_ALL_PERIPH, RESET, and SET.

COMP_OutputLevel_TypeDef COMP_GetOutputLevel

(

COMP_Selection_TypeDef

COMP_Selection

)

Returns the output level of the comparator.

Note:

Comparators outputs aren't available on GPIO (outputs levels are only internal).

Parameters:

COMP_Selection,:

selects the comparator. This parameter can be one of the following values: COMP_Selection_COMP1: Selection of Comparator 1 COMP_Selection_COMP2: Selection of Comparator 2

Return values:

Returns

the comparator output level This value can be one of the following: COMP_OutputLevel_Low: Comparator output level is low COMP_OutputLevel_High: Comparator output level is high

Definition at line 245 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_CMP1OUT, COMP_CSR2_CMP2OUT, COMP_OutputLevel_High, COMP_OutputLevel_Low, COMP_Selection_COMP1, IS_COMP_ALL_PERIPH, and RESET.

void COMP_Init	(	COMP_InvertingInput_Typedef	COMP_InvertingInput,
		COMP_OutputSelect_Typedef	COMP_OutputSelect,
		COMP_Speed_TypeDef	COMP_Speed
	)

Initializes the comparator inverting input, output and speed.

Note:

This function configures only COMP2.

Parameters:

COMP_InvertingInput	: selects the comparator inverting input. This parameter can be one of the following values: COMP_InvertingInput_IO: Input/Output on comparator inverting input enable COMP_InvertingInput_VREFINT: VREFINT on comparator inverting input enable COMP_InvertingInput_3_4VREFINT: 3/4 VREFINT on comparator inverting input enable COMP_InvertingInput_1_2VREFINT: 1/2 VREFINT on comparator inverting input enable COMP_InvertingInput_1_4VREFINT: 1/4 VREFINT on comparator inverting input enable COMP_InvertingInput_DAC1: DAC1 output on comparator inverting input enable COMP_InvertingInput_DAC2: DAC2 output on comparator inverting input enable
COMP_OutputSelect	: selects the comparator output This parameter can be one of the following values: COMP_OutputSelect_TIM2IC2: COMP2 output connected to TIM2 Input Capture 2 COMP_OutputSelect_TIM3IC2: COMP2 output connected to TIM3 Input Capture 2 COMP_OutputSelect_TIM1BRK: COMP2 output connected to TIM1 Break Input COMP_OutputSelect_TIM1OCREFCLR: COMP2 output connected to TIM1 OCREF Clear
COMP_Speed	selects the comparator speed This parameter can be one of the following values: COMP_Speed_Slow: Comparator speed: slow COMP_Speed_Fast: Comparator speed: fast

Return values:

None.

Definition at line 147 of file stm8l15x_comp.c.

References COMP, COMP_CSR2_SPEED, COMP_CSR3_INSEL, COMP_CSR3_OUTSEL, IS_COMP_INVERTING_INPUT, IS_COMP_OUTPUT, and IS_COMP_SPEED.

void COMP_ITConfig	(	COMP_Selection_TypeDef	COMP_Selection,
		FunctionalState	NewState
	)

Enables or disables the interrupt generation when an event is detected.

Parameters:

COMP_Selection	: selects the comparator This parameter can be one of the following values: COMP_Selection_COMP1: Selection of Comparator 1 COMP_Selection_COMP2: Selection of Comparator 2
NewState	: new state of the COMPx interrupt. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 515 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_IE1, COMP_CSR2_IE2, COMP_Selection_COMP1, DISABLE, IS_COMP_ALL_PERIPH, and IS_FUNCTIONAL_STATE.

void COMP_SchmittTriggerCmd

(

FunctionalState

NewState

)

Enables or disables the schmitt trigger.

Parameters:

NewState

: new state of the schmitt trigger. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 395 of file stm8l15x_comp.c.

References COMP, COMP_CSR1_STE, DISABLE, and IS_FUNCTIONAL_STATE.

void COMP_TriggerConfig	(	COMP_TriggerGroup_TypeDef	COMP_TriggerGroup,
		COMP_TriggerPin_TypeDef	COMP_TriggerPin,
		FunctionalState	NewState
	)

Enables or disables trigger on the specified input/output group.

Parameters:

COMP_TriggerGroup	: specifies the input/output group This parameter can be one of the following values: COMP_TriggerGroup_InvertingInput: Trigger on comparator 2 inverting input COMP_TriggerGroup_NonInvertingInput: Trigger on comparator 2 non inverting input COMP_TriggerGroup_VREFINTOutput: Trigger on VREFINT output COMP_TriggerGroup_DACOutput: Trigger on DAC output
COMP_TriggerPin	: specifies the pin(s) within the input/output group This parameter can be one of the following values: COMP_TriggerPin_0: Trigger Pin 0 COMP_TriggerPin_0: Trigger Pin 1 COMP_TriggerPin_0: Trigger Pin 2
NewState	: enable or disable the trigger on the selected pin(s) This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 429 of file stm8l15x_comp.c.

References COMP, COMP_TriggerGroup_DACOutput, COMP_TriggerGroup_InvertingInput, COMP_TriggerGroup_NonInvertingInput, COMP_TriggerGroup_VREFINTOutput, DISABLE, IS_COMP_TRIGGERGROUP, and IS_COMP_TRIGGERPIN.

void COMP_VrefintOutputCmd

(

FunctionalState

NewState

)

Enables or disables the output of the internal reference voltage.

Parameters:

NewState

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

Return values:

None

Definition at line 356 of file stm8l15x_comp.c.

References COMP, COMP_CSR3_VREFOUTEN, DISABLE, and IS_FUNCTIONAL_STATE.

void COMP_VrefintToCOMP1Connect

(

FunctionalState

NewState

)

Enables or disables connection between VREFINT and COMP1 inverting input.

Parameters:

NewState

new state of the VREFINT connection to COMP1 inverting input. This parameter can be ENABLE or DISABLE.

Return values:

None

Definition at line 177 of file stm8l15x_comp.c.

References COMP, COMP_CSR3_VREFEN, DISABLE, and IS_FUNCTIONAL_STATE.

void COMP_WindowCmd

(

FunctionalState

NewState

)

Enables or disables the window mode.

Parameters:

NewState

new state of the window mode. This parameter can be ENABLE or DISABLE.

Return values:

None

Definition at line 318 of file stm8l15x_comp.c.

References COMP, COMP_CSR3_WNDWE, DISABLE, and IS_FUNCTIONAL_STATE.