git.gag.com Git - fw/openocd/blob - src/jtag/drivers/versaloon/usbtoxxx/usbtojtagraw.c

   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
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include <string.h>
  25
  26 #include "../versaloon_include.h"
  27 #include "../versaloon.h"
  28 #include "../versaloon_internal.h"
  29 #include "usbtoxxx.h"
  30 #include "usbtoxxx_internal.h"
  31
  32 RESULT usbtojtagraw_init(uint8_t interface_index)
  33 {
  34         return usbtoxxx_init_command(USB_TO_JTAG_RAW, interface_index);
  35 }
  36
  37 RESULT usbtojtagraw_fini(uint8_t interface_index)
  38 {
  39         return usbtoxxx_fini_command(USB_TO_JTAG_RAW, interface_index);
  40 }
  41
  42 RESULT usbtojtagraw_config(uint8_t interface_index, uint32_t kHz)
  43 {
  44         uint8_t cfg_buf[4];
  45
  46 #if PARAM_CHECK
  47         if (interface_index > 7) {
  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                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  66                 return ERROR_FAIL;
  67         }
  68 #endif
  69
  70         if (bitlen > 8 * 0xFFFF)
  71                 return ERROR_FAIL;
  72         bytelen = (uint16_t)((bitlen + 7) >> 3);
  73
  74         SET_LE_U32(&versaloon_cmd_buf[0], bitlen);
  75         memcpy(versaloon_cmd_buf + 4, tdi, bytelen);
  76         memcpy(versaloon_cmd_buf + 4 + bytelen, tms, bytelen);
  77
  78         return usbtoxxx_inout_command(USB_TO_JTAG_RAW, interface_index,
  79                 versaloon_cmd_buf, 4 + bytelen * 2, bytelen, tdo, 0, bytelen, 0);
  80 }