Functions

Collaboration diagram for Functions:

Functions
edge_detectf_t *	edge_detection_createf (float *boundary_data, int datalen, uint32_t keep_width, int type)
void	edge_detection_deletef (edge_detectf_t *detector)
int	edge_detectf (edge_detectf_t *detector, float *input, uint32_t len)
int	edge_detection_resetf (edge_detectf_t *detector)
edge_detects_t *	edge_detection_creates (int16_t *boundary_data, int datalen, uint32_t keep_width, int type)
void	edge_detection_deletes (edge_detects_t *detector)
int	edge_detects (edge_detects_t *detector, int16_t *input, uint32_t len)
int	edge_detection_resets (edge_detects_t *detector)

Detailed Description

Function Documentation

edge_detection_createf()

edge_detectf_t * edge_detection_createf	(	float *	boundary_data,
		int	datalen,
		uint32_t	keep_width,
		int	type
	)

Create edge_detect instance for float data.

Parameters

[in]	boundary_data	Edge boundary definition data array.
[in]	datelen	Length of boundary_data.
[in]	keep_width	Number of samples to keep the last value.
[in]	type	Type of edge. EDGE_DETECT_TYPE_RISE or EDGE_DETECT_TYPE_FALL.

Returns

instance of edge_detect. Return NULL when any error is occured.

edge_detection_deletef()

void edge_detection_deletef

(

edge_detectf_t *

detector

)

Delete edge_detect instance of float data.

Parameters

[in]

detector

Instance of edge_detect

edge_detectf()

int edge_detectf	(	edge_detectf_t *	detector,
		float *	input,
		uint32_t	len
	)

Detect edge from float data array.

Parameters

[in]	detector	Instance of edge_detect
[in]	input	Data array to detect edge.
[in]	len	Length of data array.

Returns

0 or positive value is offset position of detected edge. Negative value when no edge detected.

edge_detection_resetf()

int edge_detection_resetf

(

edge_detectf_t *

detector

)

Reset an edge detection instance for reflesh.

Parameters

[in]

detector

Instance of edge_detect

Returns

Return 0 when it success. Negative value is returned when any error is occured.

edge_detection_creates()

edge_detects_t * edge_detection_creates	(	int16_t *	boundary_data,
		int	datalen,
		uint32_t	keep_width,
		int	type
	)

Create edge_detect instance for int16_t data.

Parameters

[in]	boundary_data	Edge boundary definition data array.
[in]	datelen	Length of boundary_data.
[in]	keep_width	Number of samples to keep the last value.
[in]	type	Type of edge. EDGE_DETECT_TYPE_RISE or EDGE_DETECT_TYPE_FALL.

Returns

instance of edge_detect. Return NULL when any error is occured.

edge_detection_deletes()

void edge_detection_deletes

(

edge_detects_t *

detector

)

Delete edge_detect instance of int16_t data.

Parameters

[in]

detector

Instance of edge_detect

edge_detects()

int edge_detects	(	edge_detects_t *	detector,
		int16_t *	input,
		uint32_t	len
	)

Detect edge from int16_t data array.

Parameters

[in]	detector	Instance of edge_detect
[in]	input	Data array to detect edge.
[in]	len	Length of data array.

Returns

0 or positive value is offset position of detected edge. Negative value when no edge detected.

edge_detection_resets()

int edge_detection_resets

(

edge_detects_t *

detector

)

Reset an edge detection instance for reflesh.

Parameters

[in]

detector

Instance of edge_detect

Returns

Return 0 when it success. Negative value is returned when any error is occured.