Conversion macros for user-declarations of output voltage feedback parameters. More...

Collaboration diagram for Conversion Macros:

#define	BUCK_VOUT_FEEDBACK_GAIN (float)((BUCK_VOUT_DIV_R2) / (BUCK_VOUT_DIV_R1 + BUCK_VOUT_DIV_R2))
	Conversion macros of output voltage feedback parameters. More...

#define	BUCK_VOUT_REF (uint16_t)(BUCK_VOUT_NOMINAL * BUCK_VOUT_FEEDBACK_GAIN / ADC_GRANULARITY)
	Macro calculating the integer number equivalent of the output voltage reference given above in [V]. More...

#define	BUCK_VOUT_NOM BUCK_VOUT_REF
	Alias macro of the integer number equivalent of the nominal output voltage given above in [V]. More...

#define	BUCK_VOUT_DEV_TRIP (uint16_t)(BUCK_VOUT_TOLERANCE_MAX * BUCK_VOUT_FEEDBACK_GAIN / ADC_GRANULARITY)
	Macro calculating the integer number equivalent of the maximum allowed output voltage deviation given above in [V], which will lead to a converter shut down when exceeded. More...

#define	BUCK_VOUT_DEV_RELEASE (uint16_t)(BUCK_VOUT_TOLERANCE_MIN * BUCK_VOUT_FEEDBACK_GAIN / ADC_GRANULARITY)
	Macro calculating the integer number equivalent of the maximum allowed output voltage deviation given above in [V], which needs to be underrun before a shut-down converter can recover. More...

#define	BUCK_VOUT_OFFSET (uint16_t)(BUCK_VOUT_FEEDBACK_OFFSET / ADC_GRANULARITY)
	Macro calculating the integer number equivalent of the physical, static signal offset of this feedback channel. More...

#define	BUCK_VOUT_ADC_TRGDLY (uint16_t)(BUCK_VOUT_ADC_TRG_DELAY / PWM_CLOCK_PERIOD)
	Macro calculating the integer number equivalent of the signal chain time delay between internal PWM timebase and effective switching edge of the leading FET. More...

#define	BUCK_VOUT_NORM_INV_G (float)(1.0/BUCK_VOUT_FEEDBACK_GAIN)
	Inverted feedback gain required for value normalization. More...

#define	BUCK_VOUT_NORM_SCALER (int16_t)(ceil(log(BUCK_VOUT_NORM_INV_G)) + 1)
	VOUT normalization More...

#define	BUCK_VOUT_NORM_FACTOR (int16_t)((BUCK_VOUT_NORM_INV_G / pow(2.0, BUCK_VOUT_NORM_SCALER)) * (pow(2.0, 15)-1))
	VOUT normalization factor scaled in Q15. More...

#define	BUCK_VOUT_RANGE_MAX (float)(ADC_REFERENCE * BUCK_VOUT_NORM_INV_G)
	Macro calculating the integer number equivalent of the total output voltage range defined by the settings given above in [V]]. More...

Detailed Description

Conversion macros for user-declarations of output voltage feedback parameters.

Macro Definition Documentation

◆ BUCK_VOUT_ADC_TRGDLY

#define BUCK_VOUT_ADC_TRGDLY (uint16_t)(BUCK_VOUT_ADC_TRG_DELAY / PWM_CLOCK_PERIOD)

Macro calculating the integer number equivalent of the signal chain time delay between internal PWM timebase and effective switching edge of the leading FET.

Definition at line 534 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_DEV_RELEASE

#define BUCK_VOUT_DEV_RELEASE (uint16_t)(BUCK_VOUT_TOLERANCE_MIN * BUCK_VOUT_FEEDBACK_GAIN / ADC_GRANULARITY)

Macro calculating the integer number equivalent of the maximum allowed output voltage deviation given above in [V], which needs to be underrun before a shut-down converter can recover.

Definition at line 532 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_DEV_TRIP

#define BUCK_VOUT_DEV_TRIP (uint16_t)(BUCK_VOUT_TOLERANCE_MAX * BUCK_VOUT_FEEDBACK_GAIN / ADC_GRANULARITY)

Macro calculating the integer number equivalent of the maximum allowed output voltage deviation given above in [V], which will lead to a converter shut down when exceeded.

Definition at line 531 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_FEEDBACK_GAIN

#define BUCK_VOUT_FEEDBACK_GAIN (float)((BUCK_VOUT_DIV_R2) / (BUCK_VOUT_DIV_R1 + BUCK_VOUT_DIV_R2))

Conversion macros of output voltage feedback parameters.

These conversion macros are used to convert user settings defined as physical quantities into binary (integer) numbers, which will be written to registers and variables and used in calculations throughout the firmware. Macro calculating the integer number equivalent of the output voltage feedback gain

Definition at line 527 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_NOM

#define BUCK_VOUT_NOM BUCK_VOUT_REF

Alias macro of the integer number equivalent of the nominal output voltage given above in [V].

Definition at line 530 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_NORM_FACTOR

#define BUCK_VOUT_NORM_FACTOR (int16_t)((BUCK_VOUT_NORM_INV_G / pow(2.0, BUCK_VOUT_NORM_SCALER)) * (pow(2.0, 15)-1))

VOUT normalization factor scaled in Q15.

Definition at line 538 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_NORM_INV_G

#define BUCK_VOUT_NORM_INV_G (float)(1.0/BUCK_VOUT_FEEDBACK_GAIN)

Inverted feedback gain required for value normalization.

Definition at line 536 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_NORM_SCALER

#define BUCK_VOUT_NORM_SCALER (int16_t)(ceil(log(BUCK_VOUT_NORM_INV_G)) + 1)

VOUT normalization

Definition at line 537 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_OFFSET

#define BUCK_VOUT_OFFSET (uint16_t)(BUCK_VOUT_FEEDBACK_OFFSET / ADC_GRANULARITY)

Macro calculating the integer number equivalent of the physical, static signal offset of this feedback channel.

Definition at line 533 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_RANGE_MAX

#define BUCK_VOUT_RANGE_MAX (float)(ADC_REFERENCE * BUCK_VOUT_NORM_INV_G)

Macro calculating the integer number equivalent of the total output voltage range defined by the settings given above in [V]].

Definition at line 540 of file epc9143_r40_hwdescr.h.

◆ BUCK_VOUT_REF

#define BUCK_VOUT_REF (uint16_t)(BUCK_VOUT_NOMINAL * BUCK_VOUT_FEEDBACK_GAIN / ADC_GRANULARITY)

Macro calculating the integer number equivalent of the output voltage reference given above in [V].

Definition at line 529 of file epc9143_r40_hwdescr.h.