Public function

Functions
void	linefollower_cfg_setup (linefollower_cfg_t *cfg)
	Config Object Initialization function.
LINEFOLLOWER_RETVAL	linefollower_init (linefollower_t *ctx, linefollower_cfg_t *cfg)
	Initialization function.
uint8_t	linefollower_get_u1 (linefollower_t *ctx)
	Get status of U1 pin function.
uint8_t	linefollower_get_u2 (linefollower_t *ctx)
	Get status of U2 pin function.
uint8_t	linefollower_get_u3 (linefollower_t *ctx)
	Get status of U3 pin function.
uint8_t	linefollower_get_u4 (linefollower_t *ctx)
	Get status of U4 pin function.
uint8_t	linefollower_get_u5 (linefollower_t *ctx)
	Get status of U5 pin function.
void	linefollower_data_track (linefollower_t *ctx, linefollower_direction_t *data_track)
	Get status of all pin function.
uint8_t	linefollower_get_direction (linefollower_t *ctx)
	Get direction data function.

Detailed Description

Function Documentation

linefollower_cfg_setup()

void linefollower_cfg_setup

(

linefollower_cfg_t *

cfg

)

Config Object Initialization function.

Parameters

cfg	Click configuration structure.

@description This function initializes click configuration structure to init state.

Note

All used pins will be set to unconnected state.

linefollower_data_track()

void linefollower_data_track	(	linefollower_t *	ctx,
		linefollower_direction_t *	data_track )

Get status of all pin function.

Parameters

ctx	Click object.
data_track	Data track structure

This function get status of all pin of the QRE1113 Minature Reective Object Sensor.

linefollower_get_direction()

uint8_t linefollower_get_direction

(

linefollower_t *

ctx

)

Get direction data function.

Parameters

ctx	Click object.

Returns

direction

- 0 [ LINEFOLLOWER_DIR_STRAIGHT ] : Straight movement;

- 1 [ LINEFOLLOWER_DIR_LEFT ] : Left movement;

- 2 [ LINEFOLLOWER_DIR_RIGHT ] : Right movement;

- 3 [ LINEFOLLOWER_DIR_SHARP_LEFT ] : Sharp left movement;

- 4 [ LINEFOLLOWER_DIR_SHARP_RIGHT ] : Sharp right movement;

- 5 [ LINEFOLLOWER_DIR_TRACKING_LOST ] : Tracking lost;

This function direction movement data of the QRE1113 Minature Reective Object Sensor.

linefollower_get_u1()

uint8_t linefollower_get_u1

(

linefollower_t *

ctx

)

Get status of U1 pin function.

Parameters

ctx	Click object.

Returns

Detect line black-white color::

• 0 : no black;
• 1 : black;

This function get state of the RST pin U1: QRE1113 Minature Reective Object Sensor.

linefollower_get_u2()

uint8_t linefollower_get_u2

(

linefollower_t *

ctx

)

Get status of U2 pin function.

Parameters

ctx	Click object.

Returns

Detect line black-white color:

• 0 : no black;
• 1 : black;

This function get state of the RST pin U2: QRE1113 Minature Reective Object Sensor.

linefollower_get_u3()

uint8_t linefollower_get_u3

(

linefollower_t *

ctx

)

Get status of U3 pin function.

Parameters

ctx	Click object.

Returns

Detect line black-white color:

• 0 : no black;
• 1 : black;

This function get state of the RST pin U3: QRE1113 Minature Reective Object Sensor.

linefollower_get_u4()

uint8_t linefollower_get_u4

(

linefollower_t *

ctx

)

Get status of U4 pin function.

Parameters

ctx	Click object.

Returns

Detect line black-white color:

• 0 : no black;
• 1 : black;

This function get state of the RST pin U4: QRE1113 Minature Reective Object Sensor.

linefollower_get_u5()

uint8_t linefollower_get_u5

(

linefollower_t *

ctx

)

Get status of U5 pin function.

Parameters

ctx	Click object.

Returns

Detect line black-white color:

• 0 : no black;
• 1 : black;

This function get state of the RST pin U5: QRE1113 Minature Reective Object Sensor.

linefollower_init()

LINEFOLLOWER_RETVAL linefollower_init	(	linefollower_t *	ctx,
		linefollower_cfg_t *	cfg )

Initialization function.

Parameters

linefollower	Click object.
cfg	Click configuration structure.

@description This function initializes all necessary pins and peripherals used for this click.