LEDs

Access to EV3 LEDs. More...

Macros
#define	LED_ATTR__COUNT_   5

Enumerations
enum	{   EV3_LEFT_GREEN, EV3_RIGHT_GREEN, EV3_LEFT_RED, EV3_RIGHT_RED,   LED_OUTA, LED_OUTB, LED_OUTC, LED_OUTD,   LED__COUNT_ }
	Identifiers of LEDs. More...
enum	{   TRIGGER_NONE, TRIGGER_MMC0, TRIGGER_TIMER, TRIGGER_HEARTBEAT,   TRIGGER_DEFAULT_ON, TRIGGER_TRANSIENT, TRIGGER_LEGOEV3_BATTERY_CHARGING_OR_FULL, TRIGGER_LEGOEV3_BATTERY_CHARGING,   TRIGGER_LEGOEV3_BATTERY_FULL, TRIGGER_LEGOEV3_BATTERY_CHARGING_BLINK_FULL_SOLID, TRIGGER_RFKILL0, TRIGGER_PHY0RX,   TRIGGER_PHY0TX, TRIGGER_PHY0ASSOC, TRIGGER_PHY0RADIO, TRIGGER_RFKILL1,   TRIGGER__COUNT_ }
	Triggers identifiers of LEDs. More...

Functions
size_t	get_led_brightness (uint8_t inx, byte *buf)
	Read "brightness" attribute of the LED. More...
size_t	set_led_brightness (uint8_t inx, byte value)
	Write "brightness" attribute of the LED. More...
size_t	get_led_delay_off (uint8_t inx, int *buf)
	Read "delay_off" attribute of the LED. More...
size_t	set_led_delay_off (uint8_t inx, int value)
	Write "delay_off" attribute of the LED. More...
size_t	get_led_delay_on (uint8_t inx, int *buf)
	Read "delay_on" attribute of the LED. More...
size_t	set_led_delay_on (uint8_t inx, int value)
	Write "delay_on" attribute of the LED. More...
size_t	get_led_max_brightness (uint8_t inx, byte *buf)
	Read "max_brightness" attribute of the LED. More...
size_t	get_led_trigger (uint8_t inx, char *buf, size_t sz)
	Read "trigger" attribute of the LED. More...
size_t	set_led_trigger (uint8_t inx, char *value)
	Write "trigger" attribute of the LED. More...
INX_T	get_led_trigger_inx (uint8_t inx)
	Read "trigger" attribute of the LED and get the index. More...
size_t	set_led_trigger_inx (uint8_t inx, INX_T trigger_inx)
	Write "trigger" attribute of the LED by the index. More...
const char *	ev3_led_trigger (INX_T trigger_inx)
	Get name of the specified LED trigger. More...

Detailed Description

Access to EV3 LEDs.

Enumeration Type Documentation

anonymous enum

Identifiers of LEDs.

Enumerator
LED__COUNT_	Count of EV3 LEDs.

anonymous enum

Triggers identifiers of LEDs.

Enumerator
TRIGGER__COUNT_	Count of EV3 triggers.

Function Documentation

const char* ev3_led_trigger

(

INX_T

trigger_inx

)

Get name of the specified LED trigger.

Parameters

trigger_inx

Index of the trigger.

Returns

Requested value.

size_t get_led_brightness	(	uint8_t	inx,
		byte *	buf
	)

Read "brightness" attribute of the LED.

Parameters

	inx	Index of the LED.
[out]	buf	Buffer for result.

Returns

Count of read bytes.

size_t get_led_delay_off	(	uint8_t	inx,
		int *	buf
	)

Read "delay_off" attribute of the LED.

Parameters

	inx	Index of the LED.
[out]	buf	Buffer for result.

Returns

Count of read bytes.

size_t get_led_delay_on	(	uint8_t	inx,
		int *	buf
	)

Read "delay_on" attribute of the LED.

Parameters

	inx	Index of the LED.
[out]	buf	Buffer for result.

Returns

Count of read bytes.

size_t get_led_max_brightness	(	uint8_t	inx,
		byte *	buf
	)

Read "max_brightness" attribute of the LED.

Parameters

	inx	Index of the LED.
[out]	buf	Buffer for result.

Returns

Count of read bytes.

size_t get_led_trigger	(	uint8_t	inx,
		char *	buf,
		size_t	sz
	)

Read "trigger" attribute of the LED.

Parameters

	inx	Index of the LED.
[out]	buf	Buffer for result.
	sz	Buffer size.

Returns

Count of read bytes.

INX_T get_led_trigger_inx

(

uint8_t

inx

)

Read "trigger" attribute of the LED and get the index.

Parameters

inx	Index of the LED.

Returns

Index of trigger or TRIGGER__COUNT_ - error has occurred.

size_t set_led_brightness	(	uint8_t	inx,
		byte	value
	)

Write "brightness" attribute of the LED.

Parameters

inx	Index of the LED.
value	Attribute value.

Returns

Count of written bytes.

size_t set_led_delay_off	(	uint8_t	inx,
		int	value
	)

Write "delay_off" attribute of the LED.

Parameters

inx	Index of the LED.
value	Attribute value.

Returns

Count of written bytes.

size_t set_led_delay_on	(	uint8_t	inx,
		int	value
	)

Write "delay_on" attribute of the LED.

Parameters

inx	Index of the LED.
value	Attribute value.

Returns

Count of written bytes.

size_t set_led_trigger	(	uint8_t	inx,
		char *	value
	)

Write "trigger" attribute of the LED.

Parameters

inx	Index of the LED.
value	Attribute value.

Returns

Count of written bytes.

size_t set_led_trigger_inx	(	uint8_t	inx,
		INX_T	trigger_inx
	)

Write "trigger" attribute of the LED by the index.

Parameters

inx	Index of the LED.
trigger_inx	Index of the trigger.

Returns

Count of written bytes.