qdec_stm32.h File Reference

Devicetree binding constants for the STM32 quadrature decoder. More...

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Macros
Input filter options
Digital input filter applied to the timer encoder inputs. FDIVx selects the sampling clock as a fraction of the timer clock (fDTS) and Ny the number of consecutive matching samples required to validate a transition.
#define	NO_FILTER   0
	No filter (sampling at fDTS).
#define	FDIV1_N2   1
	fDTS, 2 samples
#define	FDIV1_N4   2
	fDTS, 4 samples
#define	FDIV1_N8   3
	fDTS, 8 samples
#define	FDIV2_N6   4
	fDTS / 2, 6 samples
#define	FDIV2_N8   5
	fDTS / 2, 8 samples
#define	FDIV4_N6   6
	fDTS / 4, 6 samples
#define	FDIV4_N8   7
	fDTS / 4, 8 samples
#define	FDIV8_N6   8
	fDTS / 8, 6 samples
#define	FDIV8_N8   9
	fDTS / 8, 8 samples
#define	FDIV16_N5   10
	fDTS / 16, 5 samples
#define	FDIV16_N6   11
	fDTS / 16, 6 samples
#define	FDIV16_N8   12
	fDTS / 16, 8 samples
#define	FDIV32_N5   13
	fDTS / 32, 5 samples
#define	FDIV32_N6   14
	fDTS / 32, 6 samples
#define	FDIV32_N8   15
	fDTS / 32, 8 samples

Detailed Description

Devicetree binding constants for the STM32 quadrature decoder.