twr_pyq1648

Driver for PYQ1648 PIR sensor. More...

Typedefs
typedef struct twr_pyq1648_t	twr_pyq1648_t
	PYQ1648 instance.

Enumerations
enum	twr_pyq1648_event_t {   TWR_PYQ1648_EVENT_ERROR = 0 ,   TWR_PYQ1648_EVENT_MOTION = 1 }
	Callback events. More...
enum	twr_pyq1648_sensitivity_t {   TWR_PYQ1648_SENSITIVITY_LOW = 0 ,   TWR_PYQ1648_SENSITIVITY_MEDIUM = 1 ,   TWR_PYQ1648_SENSITIVITY_HIGH = 2 ,   TWR_PYQ1648_SENSITIVITY_VERY_HIGH = 3 }
	Possible sensitivities. More...

Functions
void	twr_pyq1648_init (twr_pyq1648_t *self, twr_gpio_channel_t gpio_channel_serin, twr_gpio_channel_t gpio_channel_dl)
	Initialize PYQ1648 driver. More...
void	twr_pyq1648_set_event_handler (twr_pyq1648_t *self, void(*event_handler)(twr_pyq1648_t *, twr_pyq1648_event_t, void *), void *event_param)
	Set callback function. More...
void	twr_pyq1648_set_sensitivity (twr_pyq1648_t *self, twr_pyq1648_sensitivity_t sensitivity)
	Set PYQ1648 sensitivity. More...
void	twr_pyq1648_set_blank_period (twr_pyq1648_t *self, twr_tick_t blank_period)
	Set blank period (for how long alarm events will be ignored) More...

Detailed Description

Driver for PYQ1648 PIR sensor.

Enumeration Type Documentation

twr_pyq1648_event_t

enum twr_pyq1648_event_t

Callback events.

Enumerator
TWR_PYQ1648_EVENT_ERROR	Error event.
TWR_PYQ1648_EVENT_MOTION	Update event.

Definition at line 14 of file twr_pyq1648.h.

twr_pyq1648_sensitivity_t

enum twr_pyq1648_sensitivity_t

Possible sensitivities.

Enumerator
TWR_PYQ1648_SENSITIVITY_LOW	Low sensitivity.
TWR_PYQ1648_SENSITIVITY_MEDIUM	Medium sensitivity.
TWR_PYQ1648_SENSITIVITY_HIGH	High sensitivity.
TWR_PYQ1648_SENSITIVITY_VERY_HIGH	Very high sensitivity.

Definition at line 26 of file twr_pyq1648.h.

Function Documentation

twr_pyq1648_init()

void twr_pyq1648_init	(	twr_pyq1648_t *	self,
		twr_gpio_channel_t	gpio_channel_serin,
		twr_gpio_channel_t	gpio_channel_dl
	)

Initialize PYQ1648 driver.

Parameters

[in]	self	Instance
[in]	gpio_channel_serin	GPIO channel for SERIN pin
[in]	gpio_channel_dl	GPIO channel for DL pin

Definition at line 37 of file twr_pyq1648.c.

Referenced by twr_module_pir_init().

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twr_pyq1648_set_blank_period()

void twr_pyq1648_set_blank_period	(	twr_pyq1648_t *	self,
		twr_tick_t	blank_period
	)

Set blank period (for how long alarm events will be ignored)

Parameters

[in]	self	Instance
[in]	blank_period	Blank period in milliseconds

Definition at line 78 of file twr_pyq1648.c.

twr_pyq1648_set_event_handler()

void twr_pyq1648_set_event_handler	(	twr_pyq1648_t *	self,
		void(*)(twr_pyq1648_t *, twr_pyq1648_event_t, void *)	event_handler,
		void *	event_param
	)

Set callback function.

Parameters

[in]	self	Instance
[in]	event_handler	Callback function
[in]	event_param	Optional event parameter (can be NULL)

Definition at line 59 of file twr_pyq1648.c.

Referenced by twr_module_pir_set_event_handler().

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twr_pyq1648_set_sensitivity()

void twr_pyq1648_set_sensitivity	(	twr_pyq1648_t *	self,
		twr_pyq1648_sensitivity_t	sensitivity
	)

Set PYQ1648 sensitivity.

Parameters

[in]	self	Instance
[in]	sensitivity	Sensitivity

Definition at line 68 of file twr_pyq1648.c.

Referenced by twr_module_pir_set_sensitivity().

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