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   1 /***************************************************************************
   2  *   Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com>     *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  18  ***************************************************************************/
  19 #ifdef HAVE_CONFIG_H
  20 #include "config.h"
  21 #endif
  22
  23 #include <string.h>
  24
  25 #include "../versaloon_include.h"
  26 #include "../versaloon.h"
  27 #include "../versaloon_internal.h"
  28 #include "usbtoxxx.h"
  29 #include "usbtoxxx_internal.h"
  30
  31 RESULT usbtojtagraw_init(uint8_t interface_index)
  32 {
  33         return usbtoxxx_init_command(USB_TO_JTAG_RAW, interface_index);
  34 }
  35
  36 RESULT usbtojtagraw_fini(uint8_t interface_index)
  37 {
  38         return usbtoxxx_fini_command(USB_TO_JTAG_RAW, interface_index);
  39 }
  40
  41 RESULT usbtojtagraw_config(uint8_t interface_index, uint32_t kHz)
  42 {
  43         uint8_t cfg_buf[4];
  44
  45 #if PARAM_CHECK
  46         if (interface_index > 7)
  47         {
  48                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  49                 return ERROR_FAIL;
  50         }
  51 #endif
  52
  53         SET_LE_U32(&cfg_buf[0], kHz);
  54
  55         return usbtoxxx_conf_command(USB_TO_JTAG_RAW, interface_index, cfg_buf, 4);
  56 }
  57
  58 RESULT usbtojtagraw_execute(uint8_t interface_index, uint8_t *tdi,
  59                                                         uint8_t *tms, uint8_t *tdo, uint32_t bitlen)
  60 {
  61         uint16_t bytelen;
  62
  63 #if PARAM_CHECK
  64         if (interface_index > 7)
  65         {
  66                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  67                 return ERROR_FAIL;
  68         }
  69 #endif
  70
  71         if (bitlen > 8 * 0xFFFF)
  72         {
  73                 return ERROR_FAIL;
  74         }
  75         bytelen = (uint16_t)((bitlen + 7) >> 3);
  76
  77         SET_LE_U32(&versaloon_cmd_buf[0], bitlen);
  78         memcpy(versaloon_cmd_buf + 4, tdi, bytelen);
  79         memcpy(versaloon_cmd_buf + 4 + bytelen, tms, bytelen);
  80
  81         return usbtoxxx_inout_command(USB_TO_JTAG_RAW, interface_index,
  82                         versaloon_cmd_buf, 4 + bytelen * 2, bytelen, tdo, 0, bytelen, 0);
  83 }
  84