Exemplo n.º 1
0
void ep_config(U8 ep_num, U8 type, U8 dir, U8 size)
{
    // init the direction the fifo
    usb_buf_init(ep_num,  dir);

    // select the endpoint and reset it
    ep_select(ep_num);
    UECONX  &= ~(1 << EPEN);
    UECONX  |= (1 << EPEN);

    // set the type, direction, and size
    UECFG0X |= (type & 0x3) << EPTYPE0;
    UECFG0X |= dir;
    UECFG1X |= (size & 0x7) << EPSIZE0;

    // we're only using single banks for now. double banks can be used on certain EPs only.
    UECFG1X |= (SINGLE & 0x3) << EPBK0;

    // alloc memory for the endpoint
    UECFG1X |= (1 << ALLOC);

    // spin here until the config is okay
    while (!(UESTA0X & (1<<CFGOK)));

    UERST |= (1<<ep_num);
    UERST &= ~(1<<ep_num);

    if (ep_num == EP_CTRL)
    {
        RX_SETUP_INT_ENB();
        RX_OUT_INT_ENB();
    }
    else if (dir == DIR_OUT)
    {
        RX_OUT_INT_ENB();
    }
}
Exemplo n.º 2
0
void ep_config(U8 ep_num, U8 type, U8 dir, U8 size)
{
    // init the direction the fifo
    usb_buf_init(ep_num,  dir);

    // select the endpoint and reset it
    // FIXME

    if( ep_num > 0 )
    {
        if( dir == DIR_OUT )
        {
            switch( type )
            {
            case XFER_ISOCHRONOUS:
                SI32_USBEP_A_enable_out_isochronous_mode( usb_ep[ ep_num - 1 ] );
                break;
            case XFER_BULK:
            case XFER_INTP:
                SI32_USBEP_A_enable_out_bulk_interrupt_mode( usb_ep[ ep_num - 1 ] );
                break;
            case XFER_CONTROL:
                // only for EP0
                break;
            default:
                break;
            }
            SI32_USBEP_A_set_endpoint_direction_out( usb_ep[ ep_num - 1 ] );
            SI32_USBEP_A_clear_out_data_overrun( usb_ep[ ep_num - 1 ] );
            SI32_USBEP_A_stop_out_stall( usb_ep[ ep_num - 1 ] );
            SI32_USBEP_A_reset_out_data_toggle( usb_ep[ ep_num - 1 ] );
            SI32_USBEP_A_set_out_max_packet_size(usb_ep[ ep_num - 1 ], (1 << size) );
        }
        else
        {
            SI32_USBEP_A_set_endpoint_direction_in( usb_ep[ ep_num - 1 ] );
            SI32_USBEP_A_clear_in_data_underrun( usb_ep[ ep_num - 1 ] );
            switch( type )
            {
            case XFER_ISOCHRONOUS:
                SI32_USBEP_A_select_in_isochronous_mode( usb_ep[ ep_num - 1 ] );
                break;
            case XFER_BULK:
            case XFER_INTP:
                SI32_USBEP_A_select_in_bulk_interrupt_mode( usb_ep[ ep_num - 1 ] );
                SI32_USBEP_A_stop_in_stall( usb_ep[ ep_num - 1 ] );
                SI32_USBEP_A_reset_in_data_toggle( usb_ep[ ep_num - 1 ] );
                break;
            case XFER_CONTROL:
                // only for EP0
                break;
            default:
                break;
            }
            SI32_USBEP_A_set_in_max_packet_size(usb_ep[ ep_num - 1 ], (1 << size) );
        }
    }

    // Enable endpoints
    switch ( ep_num )
    {
    case 1:
        SI32_USB_A_enable_ep1( SI32_USB_0 );
        break;
    case 2:
        SI32_USB_A_enable_ep2( SI32_USB_0 );
        break;
    case 3:
        SI32_USB_A_enable_ep3( SI32_USB_0 );
        break;
    case 4:
        SI32_USB_A_enable_ep4( SI32_USB_0 );
    }


    //SI32_USB_A_reset_module (SI32_USB_0);




    /* if (ep_num == EP_CTRL)
    {
        RX_SETUP_INT_ENB();
        RX_OUT_INT_ENB();
    }
    else if (dir == DIR_OUT)
    {
        RX_OUT_INT_ENB();
    }*/
}