Analog Comparator Interface is able to control two Analog Comparators (AC) with identical behavior.

Modules
	Related Project(s)
	In this section you can find all the projects related to the ACIFA - Analog Comparator Interface.

Functions
void	acifa_clear_flags (volatile avr32_acifa_t *acifa, uint32_t flag_mask)
	Clear Flags. More...

void	acifa_configure (volatile avr32_acifa_t *acifa, uint8_t comp_sel, uint8_t input_p, uint8_t input_n, uint32_t pb_hz)
	Configure ACIFA Normal Mode. More...

void	acifa_configure_hysteresis (volatile avr32_acifa_t *acifa, uint8_t comp_sel, uint8_t level)
	Configure Hysteresis on comparator. More...

void	acifa_configure_vccscale (volatile avr32_acifa_t *acifa, uint8_t vccscale_sel, uint8_t scale)
	Configure VCC Scale on comparator. More...

void	acifa_configure_window (volatile avr32_acifa_t *acifa, uint8_t input_p, uint8_t input_n, uint8_t common_input, uint32_t pb_hz)
	Configure ACIFA Window Mode. More...

void	acifa_enable_interrupt (volatile avr32_acifa_t *acifa, uint32_t flag_mask)
	Enable Interrupt Flags. More...

void	acifa_enable_interrupt_inp_higher (volatile avr32_acifa_t *acifa, uint8_t comp_sel)
	Enable AC Interrupt when Vinp>Vin. More...

void	acifa_enable_interrupt_inp_lower (volatile avr32_acifa_t *acifa, uint8_t comp_sel)
	Enable AC Interrupt when Vinp<Vin. More...

void	acifa_enable_interrupt_toggle (volatile avr32_acifa_t *acifa, uint8_t comp_sel)
	Enable AC Interrupt when a toggle of the comparator occurs. More...

void	acifa_enable_output (volatile avr32_acifa_t *acifa, uint8_t comp_sel)
	Enable Output on comparator. More...

bool	acifa_is_aca_inp_higher (volatile avr32_acifa_t *acifa)
	Return comparator A status. More...

bool	acifa_is_acb_inp_higher (volatile avr32_acifa_t *acifa)
	Return comparator B status. More...

bool	acifa_is_ci_inside_window (volatile avr32_acifa_t *acifa)
	Return Window status. More...

void	acifa_start (volatile avr32_acifa_t *acifa, uint8_t comp_sel)
	Start comparator in Normal Mode. More...

void	acifa_start_window (volatile avr32_acifa_t *acifa)
	Start comparator in Window Mode. More...

void	acifa_stop (volatile avr32_acifa_t *acifa, uint8_t comp_sel)
	Stops the comparators that are currently started. More...

Positive Inputs Comparator 0 Instance A used by the ACIFA
#define	AVR32_ACIFA_AC0A_INSELP_AC0AP0 0

#define	AVR32_ACIFA_AC0A_INSELP_AC0AP1 1

#define	AVR32_ACIFA_AC0A_INSELP_DAC0_INT 2

Negative Inputs Comparator 0 Instance A used by the ACIFA
#define	AVR32_ACIFA_AC0A_INSELN_AC0AN0 0

#define	AVR32_ACIFA_AC0A_INSELN_AC0AN1 1

#define	AVR32_ACIFA_AC0A_INSELN_AC0BP0 2

#define	AVR32_ACIFA_AC0A_INSELN_AC0BP1 3

#define	AVR32_ACIFA_AC0A_INSELN_VDDANA_SCALED 4

#define	AVR32_ACIFA_AC0A_INSELN_DAC1_INT 5

Positive Inputs Comparator 0 Instance B used by the ACIFA
#define	AVR32_ACIFA_AC0B_INSELP_AC0AN0 0

#define	AVR32_ACIFA_AC0B_INSELP_AC0AN1 1

#define	AVR32_ACIFA_AC0B_INSELP_AC0BP0 2

#define	AVR32_ACIFA_AC0B_INSELP_AC0BP1 3

#define	AVR32_ACIFA_AC0B_INSELP_DAC0_INT 4

#define	AVR32_ACIFA_AC0B_INSELP_VDDANA_SCALED 5

Negative Inputs Comparator 0 Instance B used by the ACIFA
#define	AVR32_ACIFA_AC0B_INSELN_AC0BN0 0

#define	AVR32_ACIFA_AC0B_INSELN_AC0BN1 1

#define	AVR32_ACIFA_AC0B_INSELN_DAC1_INT 2

Positive Inputs Comparator 1 Instance A used by the ACIFA
#define	AVR32_ACIFA_AC1A_INSELP_AC1AP0 0

#define	AVR32_ACIFA_AC1A_INSELP_AC1AP1 1

#define	AVR32_ACIFA_AC1A_INSELP_DAC0_INT 2

Negative Inputs Comparator 1 Instance A used by the ACIFA
#define	AVR32_ACIFA_AC1A_INSELN_AC1AN0 0

#define	AVR32_ACIFA_AC1A_INSELN_AC1AN1 1

#define	AVR32_ACIFA_AC1A_INSELN_AC1BP0 2

#define	AVR32_ACIFA_AC1A_INSELN_AC1BP1 3

#define	AVR32_ACIFA_AC1A_INSELN_VDDANA_SCALED 4

#define	AVR32_ACIFA_AC1A_INSELN_DAC1_INT 5

Positive Inputs Comparator 1 Instance B used by the ACIFA
#define	AVR32_ACIFA_AC1B_INSELP_AC1AN0 0

#define	AVR32_ACIFA_AC1B_INSELP_AC1AN1 1

#define	AVR32_ACIFA_AC1B_INSELP_AC1BP0 2

#define	AVR32_ACIFA_AC1B_INSELP_AC1BP1 3

#define	AVR32_ACIFA_AC1B_INSELP_DAC0_INT 4

#define	AVR32_ACIFA_AC1B_INSELP_VDDANA_SCALED 5

Negative Inputs Comparator 1 Instance B used by the ACIFA
#define	AVR32_ACIFA_AC1B_INSELN_AC1BN0 0

#define	AVR32_ACIFA_AC1B_INSELN_AC1BN1 1

#define	AVR32_ACIFA_AC1B_INSELN_DAC1_INT 2

Comparator Selection
#define	ACIFA_COMP_SELA 1

#define	ACIFA_COMP_SELB 2

VCCSCALE Selection
#define	ACIFA_VCCSCALE_SELA 1

#define	ACIFA_VCCSCALE_SELB 2

#define ACIFA_COMP_SELA 1

Referenced by acifa_configure(), acifa_configure_hysteresis(), acifa_enable_interrupt_inp_higher(), acifa_enable_interrupt_inp_lower(), acifa_enable_interrupt_toggle(), acifa_enable_output(), acifa_start(), acifa_stop(), and main().

#define ACIFA_COMP_SELB 2

Referenced by acifa_enable_interrupt_inp_higher(), acifa_enable_interrupt_inp_lower(), acifa_enable_interrupt_toggle(), acifa_start(), acifa_stop(), and main().

#define ACIFA_VCCSCALE_SELA 1

Referenced by acifa_configure_vccscale().

#define ACIFA_VCCSCALE_SELB 2

#define AVR32_ACIFA_AC0A_INSELN_AC0AN0 0

#define AVR32_ACIFA_AC0A_INSELN_AC0AN1 1

#define AVR32_ACIFA_AC0A_INSELN_AC0BP0 2

#define AVR32_ACIFA_AC0A_INSELN_AC0BP1 3

#define AVR32_ACIFA_AC0A_INSELN_DAC1_INT 5

#define AVR32_ACIFA_AC0A_INSELN_VDDANA_SCALED 4

#define AVR32_ACIFA_AC0A_INSELP_AC0AP0 0

#define AVR32_ACIFA_AC0A_INSELP_AC0AP1 1

#define AVR32_ACIFA_AC0A_INSELP_DAC0_INT 2

#define AVR32_ACIFA_AC0B_INSELN_AC0BN0 0

#define AVR32_ACIFA_AC0B_INSELN_AC0BN1 1

#define AVR32_ACIFA_AC0B_INSELN_DAC1_INT 2

#define AVR32_ACIFA_AC0B_INSELP_AC0AN0 0

#define AVR32_ACIFA_AC0B_INSELP_AC0AN1 1

#define AVR32_ACIFA_AC0B_INSELP_AC0BP0 2

#define AVR32_ACIFA_AC0B_INSELP_AC0BP1 3

#define AVR32_ACIFA_AC0B_INSELP_DAC0_INT 4

#define AVR32_ACIFA_AC0B_INSELP_VDDANA_SCALED 5

#define AVR32_ACIFA_AC1A_INSELN_AC1AN0 0

#define AVR32_ACIFA_AC1A_INSELN_AC1AN1 1

#define AVR32_ACIFA_AC1A_INSELN_AC1BP0 2

#define AVR32_ACIFA_AC1A_INSELN_AC1BP1 3

#define AVR32_ACIFA_AC1A_INSELN_DAC1_INT 5

#define AVR32_ACIFA_AC1A_INSELN_VDDANA_SCALED 4

#define AVR32_ACIFA_AC1A_INSELP_AC1AP0 0

#define AVR32_ACIFA_AC1A_INSELP_AC1AP1 1

#define AVR32_ACIFA_AC1A_INSELP_DAC0_INT 2

#define AVR32_ACIFA_AC1B_INSELN_AC1BN0 0

#define AVR32_ACIFA_AC1B_INSELN_AC1BN1 1

#define AVR32_ACIFA_AC1B_INSELN_DAC1_INT 2

#define AVR32_ACIFA_AC1B_INSELP_AC1AN0 0

#define AVR32_ACIFA_AC1B_INSELP_AC1AN1 1

#define AVR32_ACIFA_AC1B_INSELP_AC1BP0 2

#define AVR32_ACIFA_AC1B_INSELP_AC1BP1 3

#define AVR32_ACIFA_AC1B_INSELP_DAC0_INT 4

#define AVR32_ACIFA_AC1B_INSELP_VDDANA_SCALED 5

void acifa_clear_flags	(	volatile avr32_acifa_t *	acifa,
		uint32_t	flag_mask
	)

Clear Flags.

Parameters

acifa	Base address of the ACIFA
flag_mask	Flag Mask Value

void acifa_configure	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel,
		uint8_t	input_p,
		uint8_t	input_n,
		uint32_t	pb_hz
	)

Configure ACIFA Normal Mode.

Mandatory to call.

Parameters

acifa	Base address of the ACIFA
comp_sel	Comparator Selection
input_p	Input Positive Selection
input_n	Input Negative Selection
pb_hz	Peripheral Bus frequency

References ACIFA_COMP_SELA, Assert, and NULL.

Referenced by main().

void acifa_configure_hysteresis	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel,
		uint8_t	level
	)

Configure Hysteresis on comparator.

Parameters

*acifa	Base address of the ACIFA
comp_sel	Comparator Selection
level	Level On Hysteresis

References ACIFA_COMP_SELA, Assert, and NULL.

void acifa_configure_vccscale	(	volatile avr32_acifa_t *	acifa,
		uint8_t	vcc_sel,
		uint8_t	scale
	)

Configure VCC Scale on comparator.

Parameters

acifa	Base address of the ACIFA
vcc_sel	VCC Scale Selection
scale	Scale

References ACIFA_VCCSCALE_SELA, Assert, and NULL.

void acifa_configure_window	(	volatile avr32_acifa_t *	acifa,
		uint8_t	input_p,
		uint8_t	input_n,
		uint8_t	common_input,
		uint32_t	pb_hz
	)

Configure ACIFA Window Mode.

Mandatory to call.

Parameters

acifa	Base address of the ACIFA
input_p	Input Positive Selection for window mode
input_n	Input Negative Selection for window mode
common_input	Common Input Selection for window mode
pb_hz	Peripheral Bus frequency

References Assert, and NULL.

void acifa_enable_interrupt	(	volatile avr32_acifa_t *	acifa,
		uint32_t	flag_mask
	)

Enable Interrupt Flags.

Parameters

acifa	Base address of the ACIFA
flag_mask	Flag Mask Value

References Assert, and NULL.

void acifa_enable_interrupt_inp_higher	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel
	)

Enable AC Interrupt when Vinp>Vin.

Parameters

acifa	Base address of the ACIFA
comp_sel	Comparator Selection

References ACIFA_COMP_SELA, ACIFA_COMP_SELB, Assert, and NULL.

void acifa_enable_interrupt_inp_lower	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel
	)

Enable AC Interrupt when Vinp<Vin.

Parameters

acifa	Base address of the ACIFA
comp_sel	Comparator Selection

References ACIFA_COMP_SELA, ACIFA_COMP_SELB, Assert, and NULL.

void acifa_enable_interrupt_toggle	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel
	)

Enable AC Interrupt when a toggle of the comparator occurs.

Parameters

acifa	Base address of the ACIFA
comp_sel	Comparator Selection

References ACIFA_COMP_SELA, ACIFA_COMP_SELB, Assert, and NULL.

void acifa_enable_output	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel
	)

Enable Output on comparator.

Parameters

acifa	Base address of the ACIFA
comp_sel	Comparator Selection

References ACIFA_COMP_SELA.

bool acifa_is_aca_inp_higher ( volatile avr32_acifa_t * acifa )

Return comparator A status.

Parameters

acifa Base address of the ACIFA

Return values

true	when ACA Input P is higher than Input N
false	when ACA Input P is Lower than Input N

Referenced by main().

bool acifa_is_acb_inp_higher ( volatile avr32_acifa_t * acifa )

Return comparator B status.

Parameters

acifa Base address of the ACIFA

Return values

true	when ACB Input P is higher than Input N
false	when ACB Input P is Lower than Input N

Referenced by main().

bool acifa_is_ci_inside_window ( volatile avr32_acifa_t * acifa )

Return Window status.

Parameters

acifa Base address of the ACIFA

Return values

true	if Common Input Signal is inside the window
false	if Common Input Signal is outside the window

void acifa_start	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel
	)

Start comparator in Normal Mode.

Parameters

*acifa	Base address of the ACIFA
comp_sel	Comparator Selection

References ACIFA_COMP_SELA, ACIFA_COMP_SELB, acifa_is_aca_ready(), acifa_is_acb_ready(), Assert, and NULL.

Referenced by main().

void acifa_start_window ( volatile avr32_acifa_t * acifa )

Start comparator in Window Mode.

Parameters

acifa Base address of the ACIFA

References acifa_is_wf_ready().

void acifa_stop	(	volatile avr32_acifa_t *	acifa,
		uint8_t	comp_sel
	)

Stops the comparators that are currently started.

Parameters

*acifa	Base address of the ACIFA
comp_sel	Comparator Selection

References ACIFA_COMP_SELA, ACIFA_COMP_SELB, Assert, and NULL.

Microchip® Advanced Software Framework

Modules

Functions

Positive Inputs Comparator 0 Instance A used by the ACIFA

Negative Inputs Comparator 0 Instance A used by the ACIFA

Positive Inputs Comparator 0 Instance B used by the ACIFA

Negative Inputs Comparator 0 Instance B used by the ACIFA

Positive Inputs Comparator 1 Instance A used by the ACIFA

Negative Inputs Comparator 1 Instance A used by the ACIFA

Positive Inputs Comparator 1 Instance B used by the ACIFA

Negative Inputs Comparator 1 Instance B used by the ACIFA

Comparator Selection

VCCSCALE Selection