ui.c File Reference

User Interface.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include "ui.h"

Macros
#define	SEQUENCE_PERIOD   150
	Sequence process running each SEQUENCE_PERIOD ms. More...

Functions
	ISR (ui_wakeup_isr, AVR32_GPIO_IRQ_GROUP, 0)
void	ui_init (void)
	Initializes the user interface. More...
void	ui_kbd_led (uint8_t value)
	Turn on or off the keyboard LEDs. More...
void	ui_powerdown (void)
	Enters the user interface in power down mode. More...
void	ui_process (uint16_t framenumber)
	This process is called each 1ms It is called only if the USB interface is enabled. More...
void	ui_wakeup (void)
	Exits the user interface of power down mode. More...
void	ui_wakeup_disable (void)
	Disables the asynchronous interrupts of the user interface. More...
void	ui_wakeup_enable (void)
	Enables the asynchronous interrupts of the user interface. More...

Variables
static eic_options_t	eic_options
	Structure holding the configuration parameters of the EIC low level driver. More...
struct {
bool   b_down
bool   b_modifier
uint8_t   u8_value
}	ui_sequence []

#define SEQUENCE_PERIOD   150

Sequence process running each SEQUENCE_PERIOD ms.

Referenced by ui_process().

ISR	(	ui_wakeup_isr	,
		AVR32_GPIO_IRQ_GROUP	,
		0
	)

References eic_clear_interrupt_line(), EXT_INT6, gpio_clear_pin_interrupt_flag(), GPIO_PUSH_BUTTON_0, and udc_remotewakeup().

void ui_init

(

void

)

Initializes the user interface.

References cpu_irq_restore(), cpu_irq_save(), GPIO_PUSH_BUTTON_0, irq_register_handler, LED0, LED1, LED2, LED3, LED_Off(), and LED_On().

Referenced by main().

void ui_kbd_led

(

uint8_t

value

)

Turn on or off the keyboard LEDs.

References HID_LED_CAPS_LOCK, HID_LED_NUM_LOCK, LED2, LED3, LED_Off(), and LED_On().

void ui_powerdown

(

void

)

Enters the user interface in power down mode.

References LED0, LED1, LED2, LED3, and LED_Off().

Referenced by main(), and main_suspend_action().

void ui_process

(

uint16_t

framenumber

)

This process is called each 1ms It is called only if the USB interface is enabled.

Parameters

framenumber

Current frame number

References b_down, b_modifier, gpio_get_pin_value(), GPIO_PUSH_BUTTON_0, LED1, LED_Off(), LED_On(), SEQUENCE_PERIOD, u8_value, udi_hid_kbd_down(), udi_hid_kbd_modifier_down(), udi_hid_kbd_modifier_up(), udi_hid_kbd_up(), and ui_sequence.

Referenced by main(), and main_sof_action().

void ui_wakeup

(

void

)

Exits the user interface of power down mode.

References LED0, and LED_On().

Referenced by main_resume_action().

void ui_wakeup_disable

(

void

)

Disables the asynchronous interrupts of the user interface.

References eic_disable_line(), EXT_INT6, gpio_disable_pin_interrupt(), and GPIO_PUSH_BUTTON_0.

Referenced by main_remotewakeup_disable().

void ui_wakeup_enable

(

void

)

Enables the asynchronous interrupts of the user interface.

References eic_enable_line(), eic_init(), eic_options_t::eic_line, EXT_INT6, gpio_enable_module_pin(), gpio_enable_pin_interrupt(), gpio_enable_pin_pull_up(), GPIO_PIN_CHANGE, and GPIO_PUSH_BUTTON_0.

Referenced by main_remotewakeup_enable().

bool b_down

Referenced by ui_process().

bool b_modifier

Referenced by ui_process().

eic_options_t eic_options

static

Initial value:

= {
    
    .eic_mode = EIC_MODE_LEVEL_TRIGGERED,
    
    .eic_edge = 0,
    
    .eic_level = EIC_LEVEL_LOW_LEVEL,
    
    .eic_filter = EIC_FILTER_ENABLED,
    
    .eic_async = EIC_ASYNCH_MODE
}

Structure holding the configuration parameters of the EIC low level driver.

uint8_t u8_value

Referenced by ui_process().

struct { ... } ui_sequence[]

Referenced by ui_process().