C++ (Cpp) ClearGlobalUsbInterruptFlag Examples

Example #1

File: main.c Project: BrzTit/dangerous-prototypes-open-hardware

void __attribute__((interrupt, auto_psv)) _USB1Interrupt() {
    //USB interrupt
    //IRQ enable IEC5bits.USB1IE
    //IRQ flag	IFS5bits.USB1IF
    //IRQ priority IPC21<10:8>
    usb_handler();
    ClearGlobalUsbInterruptFlag();
}

Example #2

File: usb_stack.c Project: BusPirate/Bus_Pirate

BYTE FAST_usb_handler(void) {
    if (TestGlobalUsbInterruptFlag()) {
        if (USB_RESET_FLAG) {
            usb_handle_reset();
            ClearUsbInterruptFlag(USB_URST);
            return 0xFF;
        }
        if (USB_TRANSACTION_FLAG) {
            trn_status = GetUsbTransaction();
            if (USB_STAT2EP(trn_status)) {
                usb_handle_transaction();
                ClearUsbInterruptFlag(USB_TRN); // non-EP0 only
                return 0xFF;
            } else {
                ClearUsbInterruptFlag(USB_TRN); // non-EP0 only
            }
        }
        ClearGlobalUsbInterruptFlag();
    }
    return 0;
}