// 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);
}
/**
* \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);
}
// 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);
}
/**
* \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);
}
/**
* \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);
}
/**
* \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);
}
}