User Interface.

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

Functions
Internal routines to manage asynchronous interrupt pin change
This interrupt is connected to a switch and allows to wakeup CPU in low sleep mode. This wakeup the USB devices connected via a downstream resume.
static void	ui_enable_asynchronous_interrupt (void)
	Initializes and enables interrupt pin change. More...

static void	ui_disable_asynchronous_interrupt (void)
	Disables interrupt pin change. More...

	ISR (ui_wakeup_isr, AVR32_GPIO_IRQ_GROUP, 0)
	Interrupt handler for interrupt pin change. More...

Main user interface functions
void	ui_init (void)
	Initializes the user interface. More...

void	ui_usb_mode_change (bool b_host_mode)
	Notify that the USB mode are switched automatically. This is possible only when ID pin is available. More...

Callback to mange the HID mouse events
void	ui_uhi_hid_mouse_btn_left (bool b_state)

void	ui_uhi_hid_mouse_btn_right (bool b_state)

void	ui_uhi_hid_mouse_btn_middle (bool b_state)

void	ui_uhi_hid_mouse_move (int8_t x, int8_t y, int8_t scroll)

Callback to show the MSC read and write access
void	ui_start_read (void)

void	ui_stop_read (void)

void	ui_start_write (void)

void	ui_stop_write (void)

Host mode user interface functions
static uhc_enum_status_t	ui_enum_status =UHC_ENUM_DISCONNECT
	Status of device enumeration. More...

static uint16_t	ui_device_speed_blink
	Blink frequency depending on device speed. More...

static bool	ui_hid_mouse_plug = false
	Notify the presence of a USB device mouse. More...

static bool	ui_msc_plug = false
	Notify the presence of a USB device MSC. More...

static bool	ui_test_done
	Status of the MSC test. More...

static bool	ui_test_result
	Result of the MSC test. More...

void	ui_usb_vbus_change (bool b_vbus_present)
	Notify that a Vbus are changed Available only in USB hardware with Vbus monitoring. More...

void	ui_usb_vbus_error (void)
	Notify that a Vbus error has occurred Available only in USB hardware with Vbus monitoring. More...

void	ui_usb_connection_event (uhc_device_t *dev, bool b_present)
	Notify that a USB device has been connected or disconnected. More...

void	ui_usb_enum_event (uhc_device_t *dev, uhc_enum_status_t status)
	Notify the end of a USB device enumeration. More...

void	ui_uhi_hid_mouse_change (uhc_device_t *dev, bool b_plug)
	Notify that a USB device HID has been connected or disconnected. More...

void	ui_uhi_msc_change (uhc_device_t *dev, bool b_plug)
	Notify that a USB device MSC has been connected or disconnected. More...

void	ui_usb_wakeup_event (void)
	Notify that a USB device or the host has wake up the USB line. More...

void	ui_usb_sof_event (void)
	Notify that a SOF has been sent (each 1 ms) More...

static void	ui_uhi_hid_mouse_btn (bool b_state)

void	ui_test_flag_reset (void)
	Resets the status flag of the test. More...

void	ui_test_finish (bool b_success)
	Displays the result of the test. More...

ISR	(	ui_wakeup_isr	,
		AVR32_GPIO_IRQ_GROUP	,
		0
	)

Interrupt handler for interrupt pin change.

References eic_clear_interrupt_line(), EXT_INT6, EXT_INT7, gpio_clear_pin_interrupt_flag(), GPIO_PUSH_BUTTON_0, GPIO_PUSH_BUTTON_1, uhc_is_suspend(), uhc_resume(), and ui_disable_asynchronous_interrupt().

static void ui_disable_asynchronous_interrupt ( void )

static

Disables interrupt pin change.

References eic_disable_line(), EXT_INT6, EXT_INT7, gpio_disable_pin_interrupt(), GPIO_PUSH_BUTTON_0, and GPIO_PUSH_BUTTON_1.

Referenced by ISR(), and ui_usb_wakeup_event().

static void ui_enable_asynchronous_interrupt ( void )

static

Initializes and enables interrupt pin change.

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

References cpu_irq_restore(), cpu_irq_save(), EIC_ASYNCH_MODE, eic_enable_line(), EIC_FILTER_ENABLED, eic_init(), EIC_LEVEL_LOW_LEVEL, eic_options_t::eic_line, eic_options_t::eic_mode, EIC_MODE_LEVEL_TRIGGERED, EXT_INT6, EXT_INT7, gpio_enable_module_pin(), gpio_enable_pin_interrupt(), gpio_enable_pin_pull_up(), GPIO_PIN_CHANGE, GPIO_PUSH_BUTTON_0, GPIO_PUSH_BUTTON_1, and irq_register_handler.

Referenced by ui_usb_sof_event().

void ui_init ( void )

Initializes the user interface.

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

Referenced by main(), and ui_usb_mode_change().

void ui_start_read ( void )

void ui_start_write ( void )

void ui_stop_read ( void )

void ui_stop_write ( void )

void ui_test_finish ( bool b_success )

Displays the result of the test.

Parameters

b_success true, if the test is successful

References LED3, LED_On(), ui_test_done, and ui_test_result.

Referenced by main().

void ui_test_flag_reset ( void )

Resets the status flag of the test.

References ui_test_done.

Referenced by main().

static void ui_uhi_hid_mouse_btn ( bool b_state )

static

References LED2, LED_Off(), and LED_On().

Referenced by ui_uhi_hid_mouse_btn_left(), ui_uhi_hid_mouse_btn_middle(), and ui_uhi_hid_mouse_btn_right().

void ui_uhi_hid_mouse_btn_left ( bool b_state )

References ui_uhi_hid_mouse_btn().

void ui_uhi_hid_mouse_btn_middle ( bool b_state )

References ui_uhi_hid_mouse_btn().

void ui_uhi_hid_mouse_btn_right ( bool b_state )

References ui_uhi_hid_mouse_btn().

void ui_uhi_hid_mouse_change	(	uhc_device_t *	dev,
		bool	b_plug
	)

Notify that a USB device HID has been connected or disconnected.

Parameters

dev	Pointer on USB device information
b_plug	true, if the device has been connected

References ui_hid_mouse_plug.

void ui_uhi_hid_mouse_move	(	int8_t	x,
		int8_t	y,
		int8_t	scroll
	)

void ui_uhi_msc_change	(	uhc_device_t *	dev,
		bool	b_plug
	)

Notify that a USB device MSC has been connected or disconnected.

Parameters

dev	Pointer on USB device information
b_plug	true, if the device has been connected

References ui_msc_plug.

void ui_usb_connection_event	(	uhc_device_t *	dev,
		bool	b_present
	)

Notify that a USB device has been connected or disconnected.

Parameters

dev	Pointer on USB device information
b_present	true, if the device has been connected

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

Referenced by main_usb_connection_event().

void ui_usb_enum_event	(	uhc_device_t *	dev,
		uhc_enum_status_t	status
	)

Notify the end of a USB device enumeration.

Parameters

dev	Pointer on USB device information
status	Status of the USB enumeration

References UHD_SPEED_FULL, UHD_SPEED_HIGH, UHD_SPEED_LOW, ui_device_speed_blink, ui_enum_status, and ui_test_done.

void ui_usb_mode_change ( bool b_host_mode )

Notify that the USB mode are switched automatically. This is possible only when ID pin is available.

Parameters

b_host_mode true, if the host mode has been selected

References ui_init().

void ui_usb_sof_event ( void )

Notify that a SOF has been sent (each 1 ms)

References is_joystick_pressed(), LED0, LED1, LED2, LED3, LED_Off(), LED_Toggle(), uhc_suspend(), ui_device_speed_blink, ui_enable_asynchronous_interrupt(), ui_enum_status, ui_hid_mouse_plug, ui_msc_plug, ui_test_done, and ui_test_result.

Referenced by main_usb_sof_event().

void ui_usb_vbus_change ( bool b_vbus_present )

Notify that a Vbus are changed Available only in USB hardware with Vbus monitoring.

Parameters

b_vbus_present true, if Vbus is high.

References UNUSED.

void ui_usb_vbus_error ( void )

Notify that a Vbus error has occurred Available only in USB hardware with Vbus monitoring.

void ui_usb_wakeup_event ( void )

Notify that a USB device or the host has wake up the USB line.

References ui_disable_asynchronous_interrupt().

uint16_t ui_device_speed_blink

static

Blink frequency depending on device speed.

Referenced by ui_usb_enum_event(), and ui_usb_sof_event().

uhc_enum_status_t ui_enum_status =UHC_ENUM_DISCONNECT

static

Status of device enumeration.

Referenced by ui_usb_connection_event(), ui_usb_enum_event(), and ui_usb_sof_event().

bool ui_hid_mouse_plug = false

static

Notify the presence of a USB device mouse.

Referenced by ui_uhi_hid_mouse_change(), and ui_usb_sof_event().

bool ui_msc_plug = false

static

Notify the presence of a USB device MSC.

Referenced by ui_uhi_msc_change(), and ui_usb_sof_event().

bool ui_test_done

static

Status of the MSC test.

Referenced by ui_test_finish(), ui_test_flag_reset(), ui_usb_enum_event(), and ui_usb_sof_event().

bool ui_test_result

static

Result of the MSC test.

Referenced by ui_test_finish(), and ui_usb_sof_event().

Microchip® Advanced Software Framework

Functions

Host mode user interface functions