// 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)
{
if (ui_b_host_mode) {
if (uhc_is_suspend()) {
ui_disable_asynchronous_interrupt();
/* Wakeup the devices connected */
uhc_resume();
}
} else {
/* In device mode, wakeup the USB host. */
udc_remotewakeup();
}
}
/**
* \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);
}
/* Interrupt on "pin change" from push button to do wakeup on USB
* Note:
* This interrupt is enable when the USB host enable remote wakeup feature
* This interrupt wakeup the CPU if this one is in idle mode
*/
static void ui_wakeup_handler(void)
{
/* It is a wakeup then send wakeup USB */
udc_remotewakeup();
LED_On(LED_0_PIN);
}
int main(void)
{
DBG_LED_ENA;
DBG_1_ENA;
DBG_1_OFF;
DBG_2_ENA;
DBG_2_OFF;
DBG_3_ENA;
DBG_3_OFF;
debug_code_init();
CLK_init();
ADC0_init();
SR_EXP_Init();
#ifdef RGB_MATRIX_ENABLE
i2c1_init();
#endif // RGB_MATRIX_ENABLE
matrix_init();
USB2422_init();
DBGC(DC_MAIN_UDC_START_BEGIN);
udc_start();
DBGC(DC_MAIN_UDC_START_COMPLETE);
DBGC(DC_MAIN_CDC_INIT_BEGIN);
CDC_init();
DBGC(DC_MAIN_CDC_INIT_COMPLETE);
while (USB2422_Port_Detect_Init() == 0) {}
DBG_LED_OFF;
#ifdef RGB_MATRIX_ENABLE
while (I2C3733_Init_Control() != 1) {}
while (I2C3733_Init_Drivers() != 1) {}
I2C_DMAC_LED_Init();
i2c_led_q_init();
for (uint8_t drvid = 0; drvid < ISSI3733_DRIVER_COUNT; drvid++)
I2C_LED_Q_ONOFF(drvid); //Queue data
#endif // RGB_MATRIX_ENABLE
keyboard_setup();
keyboard_init();
host_set_driver(&arm_atsam_driver);
#ifdef CONSOLE_ENABLE
uint64_t next_print = 0;
#endif //CONSOLE_ENABLE
v_5v_avg = adc_get(ADC_5V);
debug_code_disable();
while (1)
{
main_subtasks(); //Note these tasks will also be run while waiting for USB keyboard polling intervals
if (g_usb_state == USB_FSMSTATUS_FSMSTATE_SUSPEND_Val || g_usb_state == USB_FSMSTATUS_FSMSTATE_SLEEP_Val)
{
if (suspend_wakeup_condition())
{
udc_remotewakeup(); //Send remote wakeup signal
wait_ms(50);
}
continue;
}
keyboard_task();
#ifdef CONSOLE_ENABLE
if (timer_read64() > next_print)
{
next_print = timer_read64() + 250;
//Add any debug information here that you want to see very often
//dprintf("5v=%u 5vu=%u dlow=%u dhi=%u gca=%u gcd=%u\r\n", v_5v, v_5v_avg, v_5v_avg - V5_LOW, v_5v_avg - V5_HIGH, gcr_actual, gcr_desired);
}
#endif //CONSOLE_ENABLE
}
return 1;
}