1 /* JTAG GNU/Linux FTDI FT2232 low-level I/O
2 
3 Copyright (C) 2006 Dmitry Teytelman
4 Additions (C) 2005-2011  Uwe Bonnes
5                          bon@elektron.ikp.physik.tu-darmstadt.de
6 
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11 
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
20 
21 
22 
23 #ifndef IOFTDI_H
24 #define IOFTDI_H
25 
26 #include <ftdi.h>
27 #include <usb.h>
28 #if defined (__WIN32__)
29 #include <windows.h>
30 #endif
31 
32 #ifdef USE_FTD2XX
33 #include <ftd2xx.h>
34 #endif
35 
36 #include "iobase.h"
37 #include "cabledb.h"
38 
39 #define VENDOR_FTDI 0x0403
40 #define DEVICE_DEF  0x6010
41 
42 #define TX_BUF (4096)
43 
44 class IOFtdi : public IOBase
45 {
46  protected:
47 #ifdef USE_FTD2XX
48   FT_HANDLE ftd2xx_handle;
49 #endif
50   struct ftdi_context *ftdi_handle;
51   unsigned char usbuf[TX_BUF];
52   int buflen;
53   bool use_ftd2xx;
54   struct cable_t *cable;
55   unsigned int bptr;
56   int calls_rd, calls_wr, subtype, retries;
57   FILE *fp_dbg;
58 
59  public:
60   IOFtdi(bool use_ftd2xx);
61   ~IOFtdi();
62   int  Init(struct cable_t *cable, const char * serial, unsigned int freq);
63   void settype(int subtype);
64   void txrx_block(const unsigned char *tdi, unsigned char *tdo, int length, bool last);
65   void tx_tms(unsigned char *pat, int length, int force);
66   void flush(void);
67 
68  private:
69   void deinit(void);
70   void mpsse_add_cmd(unsigned char const *buf, int len);
71   void mpsse_send(void);
72   unsigned int readusb(unsigned char * rbuf, unsigned long len);
73 };
74 
75 
76 #endif // IOFTDI_H
77