C++ (Cpp) eic_line_interrupt_is_pending Examples

Example #1

// Interrupt on "pin change" from PB0 to do wakeup on USB
// Note:
// This interrupt is enable when the USB host enable remotewakeup feature
// This interrupt wakeup the CPU if this one is in idle mode
static void UI_WAKEUP_HANDLER(void)
{
	sysclk_enable_peripheral_clock(EIC);
	if(eic_line_interrupt_is_pending(EIC, UI_WAKEUP_EIC_LINE)) {
		eic_line_clear_interrupt(EIC, UI_WAKEUP_EIC_LINE);
		ui_disable_asynchronous_interrupt();
		// It is a wakeup then send wakeup USB
		udc_remotewakeup();
	}
	sysclk_disable_peripheral_clock(EIC);
}

Example #2

File: event.c Project: Realtime-7/asf

/**
 *  \brief External interrupt handler, used by PB0 push button
 */
static void eic5_callback(void)
{
    sysclk_enable_peripheral_clock(EIC);

    if(eic_line_interrupt_is_pending(EIC,GPIO_PUSH_BUTTON_EIC_LINE))
    {
        eic_line_clear_interrupt(EIC,GPIO_PUSH_BUTTON_EIC_LINE);
        event_pbEvent = true;
    }
    sysclk_disable_peripheral_clock(EIC);
}

Example #3

File: ui.c Project: InSoonPark/asf

// Interrupt on "pin change" from SW0 to do wakeup on USB
// Note:
// This interrupt is enable when the USB host enable remotewakeup feature
// This interrupt wakeup the CPU if this one is in idle mode
static void UI_WAKEUP_HANDLER(void)
{
	sysclk_enable_peripheral_clock(EIC);
	if(eic_line_interrupt_is_pending(EIC, UI_WAKEUP_EIC_LINE)) {
		eic_line_clear_interrupt(EIC, UI_WAKEUP_EIC_LINE);
		ui_disable_asynchronous_interrupt();
		// It is a wakeup then send wakeup USB
		udc_remotewakeup();
		// Wakeup, ignore button change until button is back to default state
		btn_wakeup = true;
	}
	sysclk_disable_peripheral_clock(EIC);
}

Example #4

File: ui.c Project: InSoonPark/asf

/**
 * \brief Interrupt handler for interrupt pin change
 */
static void UI_WAKEUP_HANDLER(void)
{
	sysclk_enable_peripheral_clock(EIC);
	if (eic_line_interrupt_is_pending(EIC, UI_WAKEUP_EIC_LINE)) {
		eic_line_clear_interrupt(EIC, UI_WAKEUP_EIC_LINE);
		if (uhc_is_suspend()) {
			ui_disable_asynchronous_interrupt();

			/* Wakeup host and device */
			uhc_resume();
		}
	}

	sysclk_disable_peripheral_clock(EIC);
}

Example #5

File: ui.c Project: marekr/asf

/**
 * \brief Interrupt handler for interrupt pin change
 */
static void UI_WAKEUP_HANDLER(void)
{
	sysclk_enable_peripheral_clock(EIC);
	if (eic_line_interrupt_is_pending(EIC, UI_WAKEUP_EIC_LINE)) {
		eic_line_clear_interrupt(EIC, UI_WAKEUP_EIC_LINE);
		if (ui_b_host_mode) {
			if (!uhc_is_suspend()) {
				/* USB is not in suspend mode
				 *  Let's interrupt enable. */
				return;
			}

			ui_disable_asynchronous_interrupt();

			/* Wakeup the devices connected */
			uhc_resume();
		} else {
			/* In device mode, wakeup the USB host. */
			udc_remotewakeup();
		}
	}

	sysclk_disable_peripheral_clock(EIC);
}

Example #6

/**
 * \brief EIC interrupt handler for push button interrupt
 */
static void eic_5_callback(void)
{
	if (eic_line_interrupt_is_pending(EIC, GPIO_PUSH_BUTTON_EIC_LINE)) {
		eic_line_clear_interrupt(EIC, GPIO_PUSH_BUTTON_EIC_LINE);
	}
}