#include <avr32/io.h>
#include "preprocessor.h"
#include "compiler.h"
#include "evk1105.h"
#include "led.h"

Data Structures
struct	tLED_DESCRIPTOR
	Structure describing LED hardware connections. More...

Macros
#define	INSERT_LED_DESCRIPTOR(LED_NO, unused)

Functions
void	LED_Display (uint32_t leds)
	Sets the state of all LEDs. More...

void	LED_Display_Field (uint32_t field, uint32_t leds)
	Sets as a bit-field the state of the specified LEDs. More...

void	LED_Display_Mask (uint32_t mask, uint32_t leds)
	Sets the state of the specified LEDs. More...

uint8_t	LED_Get_Intensity (uint32_t led)
	Gets the intensity of the specified LED. More...

void	LED_Off (uint32_t leds)
	Turns off the specified LEDs. More...

void	LED_On (uint32_t leds)
	Turns on the specified LEDs. More...

uint32_t	LED_Read_Display (void)
	Gets the last state of all LEDs set through the LED API. More...

uint32_t	LED_Read_Display_Field (uint32_t field)
	Gets as a bit-field the last state of the specified LEDs set through the LED API. More...

uint32_t	LED_Read_Display_Mask (uint32_t mask)
	Gets the last state of the specified LEDs set through the LED API. More...

void	LED_Set_Intensity (uint32_t leds, uint8_t intensity)
	Sets the intensity of the specified LEDs. More...

bool	LED_Test (uint32_t leds)
	Tests the last state of the specified LEDs set through the LED API. More...

void	LED_Toggle (uint32_t leds)
	Toggles the specified LEDs. More...

Variables
static tLED_DESCRIPTOR	LED_DESCRIPTOR [LED_COUNT]
	Hardware descriptors of all LEDs. More...

static volatile uint32_t	LED_State = (1 << LED_COUNT) - 1
	Saved state of all LEDs. More...

#define INSERT_LED_DESCRIPTOR	(	LED_NO,
		unused
	)

Value:

{                                                           \
    {LED##LED_NO##_GPIO / 32, 1 << (LED##LED_NO##_GPIO % 32)},\
    {LED##LED_NO##_PWM,       LED##LED_NO##_PWM_FUNCTION    } \
  },

void LED_Display ( uint32_t leds )

Sets the state of all LEDs.

Parameters

leds	New state of all LEDs (1 bit per LED).

Note: The pins of all LEDs are set to GPIO output mode.

References tLED_DESCRIPTOR::GPIO, LED_COUNT, LED_State, tLED_DESCRIPTOR::PIN_MASK, and tLED_DESCRIPTOR::PORT.

void LED_Display_Field	(	uint32_t	field,
		uint32_t	leds
	)

Sets as a bit-field the state of the specified LEDs.

Parameters

field	LEDs of which to set the state (1 bit per LED).
leds	New state of the specified LEDs (1 bit per LED, beginning with the first specified LED).

Note: The pins of the specified LEDs are set to GPIO output mode.

References ctz, and LED_Display_Mask().

void LED_Display_Mask	(	uint32_t	mask,
		uint32_t	leds
	)

Sets the state of the specified LEDs.

Parameters

mask	LEDs of which to set the state (1 bit per LED).
leds	New state of the specified LEDs (1 bit per LED).

Note: The pins of the specified LEDs are set to GPIO output mode.

References ctz, tLED_DESCRIPTOR::GPIO, LED_COUNT, LED_State, tLED_DESCRIPTOR::PIN_MASK, tLED_DESCRIPTOR::PORT, and Wr_bits.

Referenced by LED_Display_Field().

uint8_t LED_Get_Intensity ( uint32_t led )

Gets the intensity of the specified LED.

Parameters

led	LED of which to get the intensity (1 bit per LED; only the least significant set bit is used).

Returns: Intensity of the specified LED (0x00 to 0xFF).

Warning: The PWM channel of the specified LED is supposed to be used only by this module.

Note: The GPIO pin configuration of all LEDs is left unchanged.

References tLED_DESCRIPTOR::CHANNEL, ctz, LED_COUNT, and tLED_DESCRIPTOR::PWM.

void LED_Off ( uint32_t leds )

Turns off the specified LEDs.

Parameters

leds	LEDs to turn off (1 bit per LED).

Note: The pins of the specified LEDs are set to GPIO output mode.

References Clr_bits, ctz, tLED_DESCRIPTOR::GPIO, LED_COUNT, LED_State, tLED_DESCRIPTOR::PIN_MASK, and tLED_DESCRIPTOR::PORT.

void LED_On ( uint32_t leds )

Turns on the specified LEDs.

Parameters

leds	LEDs to turn on (1 bit per LED).

Note: The pins of the specified LEDs are set to GPIO output mode.

References ctz, tLED_DESCRIPTOR::GPIO, LED_COUNT, LED_State, tLED_DESCRIPTOR::PIN_MASK, tLED_DESCRIPTOR::PORT, and Set_bits.

uint32_t LED_Read_Display ( void )

Gets the last state of all LEDs set through the LED API.

Returns: State of all LEDs (1 bit per LED).

Note: The GPIO pin configuration of all LEDs is left unchanged.

References LED_State.

uint32_t LED_Read_Display_Field ( uint32_t field )

Gets as a bit-field the last state of the specified LEDs set through the LED API.

Parameters

field LEDs of which to get the state (1 bit per LED).

Returns: State of the specified LEDs (1 bit per LED, beginning with the first specified LED).

Note: The GPIO pin configuration of all LEDs is left unchanged.

References LED_State, and Rd_bitfield.

uint32_t LED_Read_Display_Mask ( uint32_t mask )

Gets the last state of the specified LEDs set through the LED API.

Parameters

mask	LEDs of which to get the state (1 bit per LED).

Returns: State of the specified LEDs (1 bit per LED).

Note: The GPIO pin configuration of all LEDs is left unchanged.

References LED_State, and Rd_bits.

void LED_Set_Intensity	(	uint32_t	leds,
		uint8_t	intensity
	)

Sets the intensity of the specified LEDs.

Parameters

leds	LEDs of which to set the intensity (1 bit per LED).
intensity	New intensity of the specified LEDs (0x00 to 0xFF).

Warning: The PWM channels of the specified LEDs are supposed to be used only by this module.

Note: The pins of the specified LEDs are set to PWM output mode.

References tLED_DESCRIPTOR::CHANNEL, ctz, tLED_DESCRIPTOR::FUNCTION, tLED_DESCRIPTOR::GPIO, LED_COUNT, tLED_DESCRIPTOR::PIN_MASK, tLED_DESCRIPTOR::PORT, and tLED_DESCRIPTOR::PWM.

bool LED_Test ( uint32_t leds )

Tests the last state of the specified LEDs set through the LED API.

Parameters

leds	LEDs of which to test the state (1 bit per LED).

Returns: true if at least one of the specified LEDs has a state on, else false.

Note: The GPIO pin configuration of all LEDs is left unchanged.

References LED_State, and Tst_bits.

void LED_Toggle ( uint32_t leds )

Toggles the specified LEDs.

Parameters

leds	LEDs to toggle (1 bit per LED).

Note: The pins of the specified LEDs are set to GPIO output mode.

References ctz, tLED_DESCRIPTOR::GPIO, LED_COUNT, LED_State, tLED_DESCRIPTOR::PIN_MASK, tLED_DESCRIPTOR::PORT, and Tgl_bits.

tLED_DESCRIPTOR LED_DESCRIPTOR[LED_COUNT]

static

Initial value:

=
{
#define INSERT_LED_DESCRIPTOR(LED_NO, unused)                 
}

Hardware descriptors of all LEDs.

volatile uint32_t LED_State = (1 << LED_COUNT) - 1

static

Saved state of all LEDs.

Referenced by LED_Display(), LED_Display_Mask(), LED_Off(), LED_On(), LED_Read_Display(), LED_Read_Display_Field(), LED_Read_Display_Mask(), LED_Test(), and LED_Toggle().

Microchip® Advanced Software Framework

Data Structures

Macros

Functions

Variables