LUFA/Drivers/USB/HighLevel/EndpointStream.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2011.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 #define  __INCLUDE_FROM_USB_DRIVER
  32 #include "USBMode.h"
  33
  34 #if defined(USB_CAN_BE_DEVICE)
  35
  36 #include "EndpointStream.h"
  37
  38 #if !defined(CONTROL_ONLY_DEVICE)
  39 uint8_t Endpoint_Discard_Stream(uint16_t Length
  40                                 __CALLBACK_PARAM)
  41 {
  42         uint8_t ErrorCode;
  43
  44         if ((ErrorCode = Endpoint_WaitUntilReady()))
  45           return ErrorCode;
  46
  47         while (Length)
  48         {
  49                 if (!(Endpoint_IsReadWriteAllowed()))
  50                 {
  51                         Endpoint_ClearOUT();
  52
  53                         #if !defined(NO_STREAM_CALLBACKS)
  54                         if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
  55                           return ENDPOINT_RWSTREAM_CallbackAborted;
  56                         #endif
  57
  58                         if ((ErrorCode = Endpoint_WaitUntilReady()))
  59                           return ErrorCode;
  60                 }
  61                 else
  62                 {
  63                         Endpoint_Discard_Byte();
  64                         Length--;
  65                 }
  66         }
  67
  68         return ENDPOINT_RWSTREAM_NoError;
  69 }
  70
  71 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_LE
  72 #define  TEMPLATE_BUFFER_TYPE                      const void*
  73 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
  74 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
  75 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*((uint8_t*)BufferPtr++))
  76 #include "Template/Template_Endpoint_RW.c"
  77
  78 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_PStream_LE
  79 #define  TEMPLATE_BUFFER_TYPE                      const void*
  80 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
  81 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
  82 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))
  83 #include "Template/Template_Endpoint_RW.c"
  84
  85 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_EStream_LE
  86 #define  TEMPLATE_BUFFER_TYPE                      const void*
  87 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
  88 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
  89 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))
  90 #include "Template/Template_Endpoint_RW.c"
  91
  92 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_BE
  93 #define  TEMPLATE_BUFFER_TYPE                      const void*
  94 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
  95 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
  96 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*((uint8_t*)BufferPtr--))
  97 #include "Template/Template_Endpoint_RW.c"
  98
  99 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_EStream_BE
 100 #define  TEMPLATE_BUFFER_TYPE                      const void*
 101 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
 102 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 103 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))
 104 #include "Template/Template_Endpoint_RW.c"
 105
 106 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_PStream_BE
 107 #define  TEMPLATE_BUFFER_TYPE                      const void*
 108 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
 109 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 110 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))
 111 #include "Template/Template_Endpoint_RW.c"
 112
 113 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Stream_LE
 114 #define  TEMPLATE_BUFFER_TYPE                      void*
 115 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
 116 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
 117 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte()
 118 #include "Template/Template_Endpoint_RW.c"
 119
 120 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_EStream_LE
 121 #define  TEMPLATE_BUFFER_TYPE                      void*
 122 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
 123 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
 124 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte())
 125 #include "Template/Template_Endpoint_RW.c"
 126
 127 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Stream_BE
 128 #define  TEMPLATE_BUFFER_TYPE                      void*
 129 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
 130 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 131 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte()
 132 #include "Template/Template_Endpoint_RW.c"
 133
 134 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_EStream_BE
 135 #define  TEMPLATE_BUFFER_TYPE                      void*
 136 #define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
 137 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 138 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte())
 139 #include "Template/Template_Endpoint_RW.c"
 140
 141 #endif
 142
 143 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_Stream_LE
 144 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
 145 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*((uint8_t*)BufferPtr++))
 146 #include "Template/Template_Endpoint_Control_W.c"
 147
 148 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_PStream_LE
 149 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
 150 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))
 151 #include "Template/Template_Endpoint_Control_W.c"
 152
 153 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_EStream_LE
 154 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
 155 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))
 156 #include "Template/Template_Endpoint_Control_W.c"
 157
 158 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_Stream_BE
 159 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 160 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*((uint8_t*)BufferPtr--))
 161 #include "Template/Template_Endpoint_Control_W.c"
 162
 163 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_PStream_BE
 164 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 165 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))
 166 #include "Template/Template_Endpoint_Control_W.c"
 167
 168 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_EStream_BE
 169 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 170 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))
 171 #include "Template/Template_Endpoint_Control_W.c"
 172
 173 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_Stream_LE
 174 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
 175 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte()
 176 #include "Template/Template_Endpoint_Control_R.c"
 177
 178 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_EStream_LE
 179 #define  TEMPLATE_BUFFER_OFFSET(Length)            0
 180 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte())
 181 #include "Template/Template_Endpoint_Control_R.c"
 182
 183 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_Stream_BE
 184 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 185 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte()
 186 #include "Template/Template_Endpoint_Control_R.c"
 187
 188 #define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_EStream_BE
 189 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
 190 #define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte())
 191 #include "Template/Template_Endpoint_Control_R.c"
 192
 193 #endif