C++ (Cpp) usb_notify_bulk_outの例

コード例 #1

ファイル: usb_cdc.c プロジェクト: KevinOConnor/klipper

void
usb_bulk_out_task(void)
{
    if (!sched_check_wake(&usb_bulk_out_wake))
        return;
    // Read data
    uint_fast8_t rpos = receive_pos, pop_count;
    if (rpos + USB_CDC_EP_BULK_OUT_SIZE <= sizeof(receive_buf)) {
        int_fast8_t ret = usb_read_bulk_out(
            &receive_buf[rpos], USB_CDC_EP_BULK_OUT_SIZE);
        if (ret > 0) {
            rpos += ret;
            usb_notify_bulk_out();
        }
    } else {
        usb_notify_bulk_out();
    }
    // Process a message block
    int_fast8_t ret = command_find_and_dispatch(receive_buf, rpos, &pop_count);
    if (ret) {
        // Move buffer
        uint_fast8_t needcopy = rpos - pop_count;
        if (needcopy) {
            memmove(receive_buf, &receive_buf[pop_count], needcopy);
            usb_notify_bulk_out();
        }
        rpos = needcopy;
    }
    receive_pos = rpos;
}

コード例 #2

ファイル: usbserial.c プロジェクト: N7QWT/klipper

void __visible
USB_Handler(void)
{
    uint8_t s = USB->DEVICE.INTFLAG.reg;
    if (s & USB_DEVICE_INTFLAG_EORST) {
        USB->DEVICE.INTFLAG.reg = USB_DEVICE_INTFLAG_EORST;
        // Enable endpoint 0 irqs
        EP0.EPINTENSET.reg = (
            USB_DEVICE_EPINTENSET_TRCPT0 | USB_DEVICE_EPINTENSET_TRCPT1
            | USB_DEVICE_EPINTENSET_RXSTP);
    }

    uint16_t ep = USB->DEVICE.EPINTSMRY.reg;
    if (ep & (1<<0)) {
        uint8_t sts = EP0.EPINTFLAG.reg;
        EP0.EPINTFLAG.reg = sts;
        if (set_address && sts & USB_DEVICE_EPINTFLAG_TRCPT1) {
            // Apply address after last "in" message transmitted
            USB->DEVICE.DADD.reg = set_address;
            set_address = 0;
        }
        usb_notify_setup();
    }
    if (ep & (1<<USB_CDC_EP_BULK_OUT)) {
        uint8_t sts = EP_BULKOUT.EPINTFLAG.reg;
        EP_BULKOUT.EPINTFLAG.reg = sts;
        usb_notify_bulk_out();
    }
    if (ep & (1<<USB_CDC_EP_BULK_IN)) {
        uint8_t sts = EP_BULKIN.EPINTFLAG.reg;
        EP_BULKIN.EPINTFLAG.reg = sts;
        usb_notify_bulk_in();
    }
}