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[/] [xulalx25soc/] [trunk/] [sw/] [usbi.h] - Diff between revs 11 and 91

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////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Filename:    usbi.h
// Filename:    usbi.h
//
//
// Project:     XuLA2 board
// Project:     XuLA2 board
//
//
// Purpose:     This package attempts to convet a JTAG over USB based
// Purpose:     This package attempts to convet a JTAG over USB based
//              communication system into something similar to a serial port
//              communication system into something similar to a serial port
//      based communication system.  Some differences include the fact that,
//      based communication system.  Some differences include the fact that,
//      if the USB port isn't polled, nothing comes out of the port.  Hence,
//      if the USB port isn't polled, nothing comes out of the port.  Hence,
//      on connecting (or polling for the first time) ... there might be a 
//      on connecting (or polling for the first time) ... there might be a 
//      bunch of stuff to (initially) ignore.
//      bunch of stuff to (initially) ignore.
//
//
//
//
// Creator:     Dan Gisselquist, Ph.D.
// Creator:     Dan Gisselquist, Ph.D.
//              Gisselquist Technology, LLC
//              Gisselquist Technology, LLC
//
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Copyright (C) 2015, Gisselquist Technology, LLC
// Copyright (C) 2015-2016, Gisselquist Technology, LLC
//
//
// This program is free software (firmware): you can redistribute it and/or
// This program is free software (firmware): you can redistribute it and/or
// modify it under the terms of  the GNU General Public License as published
// modify it under the terms of  the GNU General Public License as published
// by the Free Software Foundation, either version 3 of the License, or (at
// by the Free Software Foundation, either version 3 of the License, or (at
// your option) any later version.
// your option) any later version.
//
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
// for more details.
//
//
// License:     GPL, v3, as defined and found on www.gnu.org,
// License:     GPL, v3, as defined and found on www.gnu.org,
//              http://www.gnu.org/licenses/gpl.html
//              http://www.gnu.org/licenses/gpl.html
//
//
//
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
//
//
#ifndef USBI_H
#ifndef USBI_H
#define USBI_H
#define USBI_H
 
 
#include <libusb.h>
#include <libusb.h>
 
 
#define VENDOR_ID               0x04d8
#define VENDOR_ID               0x04d8
#define PRODUCT_ID              0x0ff8c
#define PRODUCT_ID              0x0ff8c
#define XESS_INTERFACE          0
#define XESS_INTERFACE          0
#define XESS_ENDPOINT_OUT       0x01
#define XESS_ENDPOINT_OUT       0x01
#define XESS_ENDPOINT_IN        0x81
#define XESS_ENDPOINT_IN        0x81
#define XESS_ENDPOINT_IN        0x81
#define XESS_ENDPOINT_IN        0x81
//
//
#define JTAG_CMD        0x4f
#define JTAG_CMD        0x4f
#define GET_TDO_MASK    0x01
#define GET_TDO_MASK    0x01
#define PUT_TMS_MASK    0x02
#define PUT_TMS_MASK    0x02
#define TMS_VAL_MASK    0x04
#define TMS_VAL_MASK    0x04
#define PUT_TDI_MASK    0x08
#define PUT_TDI_MASK    0x08
#define TDI_VAL_MASK    0x10
#define TDI_VAL_MASK    0x10
//
//
// #define      USER1_INSTR     0x02    // a SIX bit two
// #define      USER1_INSTR     0x02    // a SIX bit two
#define USB_PKTLEN      32
#define USB_PKTLEN      32
#define RCV_BUFLEN      512
#define RCV_BUFLEN      512
#define RCV_BUFMASK     (RCV_BUFLEN-1)
#define RCV_BUFMASK     (RCV_BUFLEN-1)
 
 
#include "llcomms.h"
#include "llcomms.h"
 
 
class   USBI : public LLCOMMSI { // USB Interface
class   USBI : public LLCOMMSI { // USB Interface
private:
private:
        char    m_rbuf[RCV_BUFLEN];
        char    m_rbuf[RCV_BUFLEN];
        char    m_txbuf[2*USB_PKTLEN], m_rxbuf[2*USB_PKTLEN];
        char    m_txbuf[2*USB_PKTLEN], m_rxbuf[2*USB_PKTLEN];
        int     m_rbeg, m_rend;
        int     m_rbeg, m_rend;
 
 
        libusb_context          *m_usb_context;
        libusb_context          *m_usb_context;
        libusb_device           **m_usb_dev_list;
        libusb_device           **m_usb_dev_list;
        libusb_device_handle    *m_xula_usb_device;
        libusb_device_handle    *m_xula_usb_device;
 
 
        virtual int     pop_fifo(char *buf, int len);
        virtual int     pop_fifo(char *buf, int len);
        virtual void    push_fifo(char *buf, int len);
        virtual void    push_fifo(char *buf, int len);
        virtual void    raw_read(int len, int timeout_ms);
        virtual void    raw_read(int len, int timeout_ms);
        virtual void    flush_read(void);
        virtual void    flush_read(void);
 
 
public:
public:
        USBI(void);
        USBI(void);
 
 
        virtual void    close(void);
        virtual void    close(void);
        virtual int     read(char *buf, int len);
        virtual int     read(char *buf, int len);
        virtual int     read(char *buf, int len, int timeout_ms);
        virtual int     read(char *buf, int len, int timeout_ms);
        virtual void    write(char *buf, int len);
        virtual void    write(char *buf, int len);
        virtual bool    poll(unsigned ms);
        virtual bool    poll(unsigned ms);
 
        virtual int     available(void);
};
};
 
 
#endif // USBI_H
#endif // USBI_H
 
 
 
 

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