Main functions for Keyboard example.

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

Functions
int	main (void)
	Main function. Execution starts here. More...

void	main_kbd_disable (void)
	Called by HID interface Callback running when USB Host disable keyboard interface. More...

bool	main_kbd_enable (void)
	Called by HID interface Callback running when USB Host enable keyboard interface. More...

void	main_remotewakeup_disable (void)
	Called by UDC when USB Host request to disable remote wakeup. More...

void	main_remotewakeup_enable (void)
	Called by UDC when USB Host request to enable remote wakeup. More...

void	main_resume_action (void)
	Called by UDD when the USB line exit of suspend state. More...

void	main_sof_action (void)
	Called when a start of frame is received on USB line. More...

void	main_suspend_action (void)
	Enters the application in low power mode Callback called when USB host sets USB line in suspend state. More...

Variables
static volatile bool	main_b_kbd_enable = false

int main ( void )

Main function. Execution starts here.

References board_init(), cpu_irq_enable, main_b_kbd_enable, sleepmgr_enter_sleep(), sleepmgr_init(), sysclk_get_cpu_hz(), sysclk_init, udc_start(), ui_init(), ui_powerdown(), and ui_process().

void main_kbd_disable ( void )

Called by HID interface Callback running when USB Host disable keyboard interface.

References main_b_kbd_enable.

bool main_kbd_enable ( void )

Called by HID interface Callback running when USB Host enable keyboard interface.

Return values

true	if keyboard startup is ok

References main_b_kbd_enable.

void main_remotewakeup_disable ( void )

Called by UDC when USB Host request to disable remote wakeup.

This is called by the USB stack when the host requests remote wake-up to be disabled, and will request the user interface to disable wake-up.

References ui_wakeup_disable().

void main_remotewakeup_enable ( void )

Called by UDC when USB Host request to enable remote wakeup.

This is called by the USB stack when the host requests remote wake-up to be enabled, and will request the user interface to enable wake-up.

References ui_wakeup_enable().

void main_resume_action ( void )

Called by UDD when the USB line exit of suspend state.

Turn on a led to notify active mode Called when the USB line is resumed from the suspend state.

Called by UDD when the USB line exit of suspend state.

Called by USB stack when the bus resumes from suspend.

References ui_wakeup().

void main_sof_action ( void )

Called when a start of frame is received on USB line.

Manages the leds behaviors Called when a start of frame is received on USB line each 1ms.

Called when a start of frame is received on USB line.

Called by USB stack when a start of frame is received, i.e., every millisecond during normal operation. This function triggers processing of the user interface if the HID interface has been enabled.

References main_b_kbd_enable, udd_get_frame_number(), and ui_process().

void main_suspend_action ( void )

Enters the application in low power mode Callback called when USB host sets USB line in suspend state.

Called by USB stack when host suspends the bus.

References ui_powerdown().

volatile bool main_b_kbd_enable = false

static

Referenced by main(), main_kbd_disable(), main_kbd_enable(), and main_sof_action().

Microchip® Advanced Software Framework

Functions

Variables