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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 usbtogpio_init(uint8_t interface_index)
  32 {
  33         return usbtoxxx_init_command(USB_TO_GPIO, interface_index);
  34 }
  35
  36 RESULT usbtogpio_fini(uint8_t interface_index)
  37 {
  38         return usbtoxxx_fini_command(USB_TO_GPIO, interface_index);
  39 }
  40
  41 RESULT usbtogpio_config(uint8_t interface_index, uint32_t mask,
  42                                                 uint32_t dir_mask, uint32_t pull_en_mask,
  43                                                 uint32_t input_pull_mask)
  44 {
  45         uint8_t conf[8];
  46
  47 #if PARAM_CHECK
  48         if (interface_index > 7)
  49         {
  50                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  51                 return ERROR_FAIL;
  52         }
  53 #endif
  54
  55         dir_mask &= mask;
  56         SET_LE_U16(&conf[0], mask);
  57         SET_LE_U16(&conf[2], dir_mask);
  58         SET_LE_U16(&conf[4], pull_en_mask);
  59         SET_LE_U16(&conf[6], input_pull_mask);
  60
  61         return usbtoxxx_conf_command(USB_TO_GPIO, interface_index, conf,
  62                                                                         sizeof(conf));
  63 }
  64
  65 RESULT usbtogpio_in(uint8_t interface_index, uint32_t mask, uint32_t *value)
  66 {
  67         uint8_t buf[2];
  68
  69 #if PARAM_CHECK
  70         if (interface_index > 7)
  71         {
  72                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  73                 return ERROR_FAIL;
  74         }
  75 #endif
  76
  77         SET_LE_U16(&buf[0], mask);
  78
  79         return usbtoxxx_in_command(USB_TO_GPIO, interface_index, buf, 2, 2,
  80                                                            (uint8_t*)value, 0, 2, 0);
  81 }
  82
  83 RESULT usbtogpio_out(uint8_t interface_index, uint32_t mask, uint32_t value)
  84 {
  85         uint8_t buf[4];
  86
  87 #if PARAM_CHECK
  88         if (interface_index > 7)
  89         {
  90                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  91                 return ERROR_FAIL;
  92         }
  93 #endif
  94
  95         SET_LE_U16(&buf[0], mask);
  96         SET_LE_U16(&buf[2], value);
  97
  98         return usbtoxxx_out_command(USB_TO_GPIO, interface_index, buf, 4, 0);
  99 }
 100