Merged upstream arduino branch

2 files changed, 940 insertions, 0 deletions

diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/SERVICES/MEMORY/CTRL_ACCESS/ctrl_access.c b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/SERVICES/MEMORY/CTRL_ACCESS/ctrl_access.c
new file mode 100644
index 0000000..09790c2
--- /dev/null
+++ b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/SERVICES/MEMORY/CTRL_ACCESS/ctrl_access.c
@@ -0,0 +1,571 @@
+/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
+
+/*This file is prepared for Doxygen automatic documentation generation.*/
+/*! \file *********************************************************************
+ *
+ * \brief Abstraction layer for memory interfaces.
+ *
+ * This module contains the interfaces:
+ *   - MEM <-> USB;
+ *   - MEM <-> RAM;
+ *   - MEM <-> MEM.
+ *
+ * This module may be configured and expanded to support the following features:
+ *   - write-protected globals;
+ *   - password-protected data;
+ *   - specific features;
+ *   - etc.
+ *
+ * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32
+ * - Supported devices:  All AVR32 devices can be used.
+ * - AppNote:
+ *
+ * \author               Atmel Corporation: http://www.atmel.com \n
+ *                       Support and FAQ: http://support.atmel.no/
+ *
+ ******************************************************************************/
+
+/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an Atmel
+ * AVR product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ *
+ */
+
+//_____ I N C L U D E S ____________________________________________________
+
+#include "compiler.h"
+#include "preprocessor.h"
+#ifdef FREERTOS_USED
+#include "FreeRTOS.h"
+#include "semphr.h"
+#endif
+#include "ctrl_access.h"
+
+
+//_____ D E F I N I T I O N S ______________________________________________
+
+#ifdef FREERTOS_USED
+
+/*! \name LUN Access Protection Macros
+ */
+//! @{
+
+/*! \brief Locks accesses to LUNs.
+ *
+ * \return \c TRUE if the access was successfully locked, else \c FALSE.
+ */
+#define Ctrl_access_lock()    ctrl_access_lock()
+
+/*! \brief Unlocks accesses to LUNs.
+ */
+#define Ctrl_access_unlock()  xSemaphoreGive(ctrl_access_semphr)
+
+//! @}
+
+//! Handle to the semaphore protecting accesses to LUNs.
+static xSemaphoreHandle ctrl_access_semphr = NULL;
+
+#else
+
+/*! \name LUN Access Protection Macros
+ */
+//! @{
+
+/*! \brief Locks accesses to LUNs.
+ *
+ * \return \c TRUE if the access was successfully locked, else \c FALSE.
+ */
+#define Ctrl_access_lock()    TRUE
+
+/*! \brief Unlocks accesses to LUNs.
+ */
+#define Ctrl_access_unlock()
+
+//! @}
+
+#endif  // FREERTOS_USED
+
+
+#if MAX_LUN
+
+/*! \brief Initializes an entry of the LUN descriptor table.
+ *
+ * \param lun Logical Unit Number.
+ *
+ * \return LUN descriptor table entry initializer.
+ */
+#if ACCESS_USB == ENABLED && ACCESS_MEM_TO_RAM == ENABLED
+#define Lun_desc_entry(lun) \
+  {\
+    TPASTE3(Lun_, lun, _test_unit_ready),\
+    TPASTE3(Lun_, lun, _read_capacity),\
+    TPASTE3(Lun_, lun, _wr_protect),\
+    TPASTE3(Lun_, lun, _removal),\
+    TPASTE3(Lun_, lun, _usb_read_10),\
+    TPASTE3(Lun_, lun, _usb_write_10),\
+    TPASTE3(Lun_, lun, _mem_2_ram),\
+    TPASTE3(Lun_, lun, _ram_2_mem),\
+    TPASTE3(LUN_, lun, _NAME)\
+  }
+#elif ACCESS_USB == ENABLED
+#define Lun_desc_entry(lun) \
+  {\
+    TPASTE3(Lun_, lun, _test_unit_ready),\
+    TPASTE3(Lun_, lun, _read_capacity),\
+    TPASTE3(Lun_, lun, _wr_protect),\
+    TPASTE3(Lun_, lun, _removal),\
+    TPASTE3(Lun_, lun, _usb_read_10),\
+    TPASTE3(Lun_, lun, _usb_write_10),\
+    TPASTE3(LUN_, lun, _NAME)\
+  }
+#elif ACCESS_MEM_TO_RAM == ENABLED
+#define Lun_desc_entry(lun) \
+  {\
+    TPASTE3(Lun_, lun, _test_unit_ready),\
+    TPASTE3(Lun_, lun, _read_capacity),\
+    TPASTE3(Lun_, lun, _wr_protect),\
+    TPASTE3(Lun_, lun, _removal),\
+    TPASTE3(Lun_, lun, _mem_2_ram),\
+    TPASTE3(Lun_, lun, _ram_2_mem),\
+    TPASTE3(LUN_, lun, _NAME)\
+  }
+#else
+#define Lun_desc_entry(lun) \
+  {\
+    TPASTE3(Lun_, lun, _test_unit_ready),\
+    TPASTE3(Lun_, lun, _read_capacity),\
+    TPASTE3(Lun_, lun, _wr_protect),\
+    TPASTE3(Lun_, lun, _removal),\
+    TPASTE3(LUN_, lun, _NAME)\
+  }
+#endif
+
+//! LUN descriptor table.
+static const struct
+{
+  Ctrl_status (*test_unit_ready)(void);
+  Ctrl_status (*read_capacity)(U32 *);
+  Bool (*wr_protect)(void);
+  Bool (*removal)(void);
+#if ACCESS_USB == ENABLED
+  Ctrl_status (*usb_read_10)(U32, U16);
+  Ctrl_status (*usb_write_10)(U32, U16);
+#endif
+#if ACCESS_MEM_TO_RAM == ENABLED
+  Ctrl_status (*mem_2_ram)(U32, void *);
+  Ctrl_status (*ram_2_mem)(U32, const void *);
+#endif
+  const char *name;
+} lun_desc[MAX_LUN] =
+{
+#if LUN_0 == ENABLE
+  Lun_desc_entry(0),
+#endif
+#if LUN_1 == ENABLE
+  Lun_desc_entry(1),
+#endif
+#if LUN_2 == ENABLE
+  Lun_desc_entry(2),
+#endif
+#if LUN_3 == ENABLE
+  Lun_desc_entry(3),
+#endif
+#if LUN_4 == ENABLE
+  Lun_desc_entry(4),
+#endif
+#if LUN_5 == ENABLE
+  Lun_desc_entry(5),
+#endif
+#if LUN_6 == ENABLE
+  Lun_desc_entry(6),
+#endif
+#if LUN_7 == ENABLE
+  Lun_desc_entry(7)
+#endif
+};
+
+#endif
+
+
+#if GLOBAL_WR_PROTECT == ENABLED
+Bool g_wr_protect;
+#endif
+
+
+/*! \name Control Interface
+ */
+//! @{
+
+
+#ifdef FREERTOS_USED
+
+Bool ctrl_access_init(void)
+{
+  // If the handle to the protecting semaphore is not valid,
+  if (!ctrl_access_semphr)
+  {
+    // try to create the semaphore.
+    vSemaphoreCreateBinary(ctrl_access_semphr);
+
+    // If the semaphore could not be created, there is no backup solution.
+    if (!ctrl_access_semphr) return FALSE;
+  }
+
+  return TRUE;
+}
+
+
+/*! \brief Locks accesses to LUNs.
+ *
+ * \return \c TRUE if the access was successfully locked, else \c FALSE.
+ */
+static Bool ctrl_access_lock(void)
+{
+  // If the semaphore could not be created, there is no backup solution.
+  if (!ctrl_access_semphr) return FALSE;
+
+  // Wait for the semaphore.
+  while (!xSemaphoreTake(ctrl_access_semphr, portMAX_DELAY));
+
+  return TRUE;
+}
+
+#endif  // FREERTOS_USED
+
+
+U8 get_nb_lun(void)
+{
+#if MEM_USB == ENABLE
+  U8 nb_lun;
+
+  if (!Ctrl_access_lock()) return MAX_LUN;
+
+  nb_lun = MAX_LUN + host_get_lun();
+
+  Ctrl_access_unlock();
+
+  return nb_lun;
+#else
+  return MAX_LUN;
+#endif
+}
+
+
+U8 get_cur_lun(void)
+{
+  return LUN_ID_0;
+}
+
+
+Ctrl_status mem_test_unit_ready(U8 lun)
+{
+  Ctrl_status status;
+
+  if (!Ctrl_access_lock()) return CTRL_FAIL;
+
+  status =
+#if MAX_LUN
+           (lun < MAX_LUN) ? lun_desc[lun].test_unit_ready() :
+#endif
+#if LUN_USB == ENABLE
+                             Lun_usb_test_unit_ready(lun - LUN_ID_USB);
+#else
+                             CTRL_FAIL;
+#endif
+
+  Ctrl_access_unlock();
+
+  return status;
+}
+
+
+Ctrl_status mem_read_capacity(U8 lun, U32 *u32_nb_sector)
+{
+  Ctrl_status status;
+
+  if (!Ctrl_access_lock()) return CTRL_FAIL;
+
+  status =
+#if MAX_LUN
+           (lun < MAX_LUN) ? lun_desc[lun].read_capacity(u32_nb_sector) :
+#endif
+#if LUN_USB == ENABLE
+                             Lun_usb_read_capacity(lun - LUN_ID_USB, u32_nb_sector);
+#else
+                             CTRL_FAIL;
+#endif
+
+  Ctrl_access_unlock();
+
+  return status;
+}
+
+
+U8 mem_sector_size(U8 lun)
+{
+  U8 sector_size;
+
+  if (!Ctrl_access_lock()) return 0;
+
+  sector_size =
+#if MAX_LUN
+                (lun < MAX_LUN) ? 1 :
+#endif
+#if LUN_USB == ENABLE
+                                  Lun_usb_read_sector_size(lun - LUN_ID_USB);
+#else
+                                  0;
+#endif
+
+  Ctrl_access_unlock();
+
+  return sector_size;
+}
+
+
+Bool mem_wr_protect(U8 lun)
+{
+  Bool wr_protect;
+
+  if (!Ctrl_access_lock()) return TRUE;
+
+  wr_protect =
+#if MAX_LUN
+               (lun < MAX_LUN) ? lun_desc[lun].wr_protect() :
+#endif
+#if LUN_USB == ENABLE
+                                 Lun_usb_wr_protect(lun - LUN_ID_USB);
+#else
+                                 TRUE;
+#endif
+
+  Ctrl_access_unlock();
+
+  return wr_protect;
+}
+
+
+Bool mem_removal(U8 lun)
+{
+  Bool removal;
+
+  if (!Ctrl_access_lock()) return TRUE;
+
+  removal =
+#if MAX_LUN
+            (lun < MAX_LUN) ? lun_desc[lun].removal() :
+#endif
+#if LUN_USB == ENABLE
+                              Lun_usb_removal();
+#else
+                              TRUE;
+#endif
+
+  Ctrl_access_unlock();
+
+  return removal;
+}
+
+
+const char *mem_name(U8 lun)
+{
+  return
+#if MAX_LUN
+         (lun < MAX_LUN) ? lun_desc[lun].name :
+#endif
+#if LUN_USB == ENABLE
+                           LUN_USB_NAME;
+#else
+                           NULL;
+#endif
+}
+
+
+//! @}
+
+
+#if ACCESS_USB == ENABLED
+
+/*! \name MEM <-> USB Interface
+ */
+//! @{
+
+
+Ctrl_status memory_2_usb(U8 lun, U32 addr, U16 nb_sector)
+{
+  Ctrl_status status;
+
+  if (!Ctrl_access_lock()) return CTRL_FAIL;
+
+  memory_start_read_action(nb_sector);
+  status =
+#if MAX_LUN
+           (lun < MAX_LUN) ? lun_desc[lun].usb_read_10(addr, nb_sector) :
+#endif
+                             CTRL_FAIL;
+  memory_stop_read_action();
+
+  Ctrl_access_unlock();
+
+  return status;
+}
+
+
+Ctrl_status usb_2_memory(U8 lun, U32 addr, U16 nb_sector)
+{
+  Ctrl_status status;
+
+  if (!Ctrl_access_lock()) return CTRL_FAIL;
+
+  memory_start_write_action(nb_sector);
+  status =
+#if MAX_LUN
+           (lun < MAX_LUN) ? lun_desc[lun].usb_write_10(addr, nb_sector) :
+#endif
+                             CTRL_FAIL;
+  memory_stop_write_action();
+
+  Ctrl_access_unlock();
+
+  return status;
+}
+
+
+//! @}
+
+#endif  // ACCESS_USB == ENABLED
+
+
+#if ACCESS_MEM_TO_RAM == ENABLED
+
+/*! \name MEM <-> RAM Interface
+ */
+//! @{
+
+
+Ctrl_status memory_2_ram(U8 lun, U32 addr, void *ram)
+{
+  Ctrl_status status;
+
+  if (!Ctrl_access_lock()) return CTRL_FAIL;
+
+  memory_start_read_action(1);
+  status =
+#if MAX_LUN
+           (lun < MAX_LUN) ? lun_desc[lun].mem_2_ram(addr, ram) :
+#endif
+#if LUN_USB == ENABLE
+                             Lun_usb_mem_2_ram(addr, ram);
+#else
+                             CTRL_FAIL;
+#endif
+  memory_stop_read_action();
+
+  Ctrl_access_unlock();
+
+  return status;
+}
+
+
+Ctrl_status ram_2_memory(U8 lun, U32 addr, const void *ram)
+{
+  Ctrl_status status;
+
+  if (!Ctrl_access_lock()) return CTRL_FAIL;
+
+  memory_start_write_action(1);
+  status =
+#if MAX_LUN
+           (lun < MAX_LUN) ? lun_desc[lun].ram_2_mem(addr, ram) :
+#endif
+#if LUN_USB == ENABLE
+                             Lun_usb_ram_2_mem(addr, ram);
+#else
+                             CTRL_FAIL;
+#endif
+  memory_stop_write_action();
+
+  Ctrl_access_unlock();
+
+  return status;
+}
+
+
+//! @}
+
+#endif  // ACCESS_MEM_TO_RAM == ENABLED
+
+
+#if ACCESS_STREAM == ENABLED
+
+/*! \name Streaming MEM <-> MEM Interface
+ */
+//! @{
+
+
+  #if ACCESS_MEM_TO_MEM == ENABLED
+
+#include "fat.h"
+
+Ctrl_status stream_mem_to_mem(U8 src_lun, U32 src_addr, U8 dest_lun, U32 dest_addr, U16 nb_sector)
+{
+#if (defined __GNUC__) && (defined __AVR32__)
+  __attribute__((__aligned__(4)))
+#elif (defined __ICCAVR32__)
+  #pragma data_alignment = 4
+#endif
+  static U8 sector_buf[FS_512B];
+  Ctrl_status status = CTRL_GOOD;
+
+  while (nb_sector--)
+  {
+    if ((status = memory_2_ram(src_lun, src_addr++, sector_buf)) != CTRL_GOOD) break;
+    if ((status = ram_2_memory(dest_lun, dest_addr++, sector_buf)) != CTRL_GOOD) break;
+  }
+
+  return status;
+}
+
+  #endif  // ACCESS_MEM_TO_MEM == ENABLED
+
+
+Ctrl_status stream_state(U8 id)
+{
+  return CTRL_GOOD;
+}
+
+
+U16 stream_stop(U8 id)
+{
+  return 0;
+}
+
+
+//! @}
+
+#endif  // ACCESS_STREAM == ENABLED
diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/SERVICES/MEMORY/CTRL_ACCESS/ctrl_access.h b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/SERVICES/MEMORY/CTRL_ACCESS/ctrl_access.h
new file mode 100644
index 0000000..358bf65
--- /dev/null
+++ b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/SERVICES/MEMORY/CTRL_ACCESS/ctrl_access.h
@@ -0,0 +1,369 @@
+/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
+
+/*This file is prepared for Doxygen automatic documentation generation.*/
+/*! \file *********************************************************************
+ *
+ * \brief Abstraction layer for memory interfaces.
+ *
+ * This module contains the interfaces:
+ *   - MEM <-> USB;
+ *   - MEM <-> RAM;
+ *   - MEM <-> MEM.
+ *
+ * This module may be configured and expanded to support the following features:
+ *   - write-protected globals;
+ *   - password-protected data;
+ *   - specific features;
+ *   - etc.
+ *
+ * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32
+ * - Supported devices:  All AVR32 devices can be used.
+ * - AppNote:
+ *
+ * \author               Atmel Corporation: http://www.atmel.com \n
+ *                       Support and FAQ: http://support.atmel.no/
+ *
+ ******************************************************************************/
+
+/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an Atmel
+ * AVR product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ *
+ */
+
+#ifndef _CTRL_ACCESS_H_
+#define _CTRL_ACCESS_H_
+
+#include "compiler.h"
+#include "conf_access.h"
+
+
+//! Status returned by CTRL_ACCESS interfaces.
+typedef enum
+{
+  CTRL_GOOD       = PASS,     //!< Success, memory ready.
+  CTRL_FAIL       = FAIL,     //!< An error occurred.
+  CTRL_NO_PRESENT = FAIL + 1, //!< Memory unplugged.
+  CTRL_BUSY       = FAIL + 2  //!< Memory not initialized or changed.
+} Ctrl_status;
+
+
+// FYI: Each Logical Unit Number (LUN) corresponds to a memory.
+
+// Check LUN defines.
+#ifndef LUN_0
+  #error LUN_0 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_1
+  #error LUN_1 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_2
+  #error LUN_2 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_3
+  #error LUN_3 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_4
+  #error LUN_4 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_5
+  #error LUN_5 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_6
+  #error LUN_6 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_7
+  #error LUN_7 must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+#ifndef LUN_USB
+  #error LUN_USB must be defined as ENABLE or DISABLE in conf_access.h
+#endif
+
+/*! \name LUN IDs
+ */
+//! @{
+#define LUN_ID_0        (0)                 //!< First static LUN.
+#define LUN_ID_1        (LUN_ID_0 + LUN_0)
+#define LUN_ID_2        (LUN_ID_1 + LUN_1)
+#define LUN_ID_3        (LUN_ID_2 + LUN_2)
+#define LUN_ID_4        (LUN_ID_3 + LUN_3)
+#define LUN_ID_5        (LUN_ID_4 + LUN_4)
+#define LUN_ID_6        (LUN_ID_5 + LUN_5)
+#define LUN_ID_7        (LUN_ID_6 + LUN_6)
+#define MAX_LUN         (LUN_ID_7 + LUN_7)  //!< Number of static LUNs.
+#define LUN_ID_USB      (MAX_LUN)           //!< First dynamic LUN (USB host mass storage).
+//! @}
+
+
+// Include LUN header files.
+#if LUN_0 == ENABLE
+  #include LUN_0_INCLUDE
+#endif
+#if LUN_1 == ENABLE
+  #include LUN_1_INCLUDE
+#endif
+#if LUN_2 == ENABLE
+  #include LUN_2_INCLUDE
+#endif
+#if LUN_3 == ENABLE
+  #include LUN_3_INCLUDE
+#endif
+#if LUN_4 == ENABLE
+  #include LUN_4_INCLUDE
+#endif
+#if LUN_5 == ENABLE
+  #include LUN_5_INCLUDE
+#endif
+#if LUN_6 == ENABLE
+  #include LUN_6_INCLUDE
+#endif
+#if LUN_7 == ENABLE
+  #include LUN_7_INCLUDE
+#endif
+#if LUN_USB == ENABLE
+  #include LUN_USB_INCLUDE
+#endif
+
+
+// Check the configuration of write protection in conf_access.h.
+#ifndef GLOBAL_WR_PROTECT
+  #error GLOBAL_WR_PROTECT must be defined as ENABLED or DISABLED in conf_access.h
+#endif
+
+
+#if GLOBAL_WR_PROTECT == ENABLED
+
+//! Write protect.
+extern Bool g_wr_protect;
+
+#endif
+
+
+/*! \name Control Interface
+ */
+//! @{
+
+#ifdef FREERTOS_USED
+
+/*! \brief Initializes the LUN access locker.
+ *
+ * \return \c TRUE if the locker was successfully initialized, else \c FALSE.
+ */
+extern Bool ctrl_access_init(void);
+
+#endif  // FREERTOS_USED
+
+/*! \brief Returns the number of LUNs.
+ *
+ * \return Number of LUNs in the system.
+ */
+extern U8 get_nb_lun(void);
+
+/*! \brief Returns the current LUN.
+ *
+ * \return Current LUN.
+ *
+ * \todo Implement.
+ */
+extern U8 get_cur_lun(void);
+
+/*! \brief Tests the memory state and initializes the memory if required.
+ *
+ * The TEST UNIT READY SCSI primary command allows an application client to poll
+ * a LUN until it is ready without having to allocate memory for returned data.
+ *
+ * This command may be used to check the media status of LUNs with removable
+ * media.
+ *
+ * \param lun Logical Unit Number.
+ *
+ * \return Status.
+ */
+extern Ctrl_status mem_test_unit_ready(U8 lun);
+
+/*! \brief Returns the address of the last valid sector (512 bytes) in the
+ *         memory.
+ *
+ * \param lun           Logical Unit Number.
+ * \param u32_nb_sector Pointer to the address of the last valid sector.
+ *
+ * \return Status.
+ */
+extern Ctrl_status mem_read_capacity(U8 lun, U32 *u32_nb_sector);
+
+/*! \brief Returns the size of the physical sector.
+ *
+ * \param lun Logical Unit Number.
+ *
+ * \return Sector size (unit: 512 bytes).
+ */
+extern U8 mem_sector_size(U8 lun);
+
+/*! \brief Returns the write-protection state of the memory.
+ *
+ * \param lun Logical Unit Number.
+ *
+ * \return \c TRUE if the memory is write-protected, else \c FALSE.
+ *
+ * \note Only used by removable memories with hardware-specific write
+ *       protection.
+ */
+extern Bool mem_wr_protect(U8 lun);
+
+/*! \brief Tells whether the memory is removable.
+ *
+ * \param lun Logical Unit Number.
+ *
+ * \return \c TRUE if the memory is removable, else \c FALSE.
+ */
+extern Bool mem_removal(U8 lun);
+
+/*! \brief Returns a pointer to the LUN name.
+ *
+ * \param lun Logical Unit Number.
+ *
+ * \return Pointer to the LUN name string.
+ */
+extern const char *mem_name(U8 lun);
+
+//! @}
+
+
+#if ACCESS_USB == ENABLED
+
+/*! \name MEM <-> USB Interface
+ */
+//! @{
+
+/*! \brief Tranfers data from the memory to USB.
+ *
+ * \param lun       Logical Unit Number.
+ * \param addr      Address of first memory sector to read.
+ * \param nb_sector Number of sectors to transfer.
+ *
+ * \return Status.
+ */
+extern Ctrl_status memory_2_usb(U8 lun, U32 addr, U16 nb_sector);
+
+/*! \brief Tranfers data from USB to the memory.
+ *
+ * \param lun       Logical Unit Number.
+ * \param addr      Address of first memory sector to write.
+ * \param nb_sector Number of sectors to transfer.
+ *
+ * \return Status.
+ */
+extern Ctrl_status usb_2_memory(U8 lun, U32 addr, U16 nb_sector);
+
+//! @}
+
+#endif  // ACCESS_USB == ENABLED
+
+
+#if ACCESS_MEM_TO_RAM == ENABLED
+
+/*! \name MEM <-> RAM Interface
+ */
+//! @{
+
+/*! \brief Copies 1 data sector from the memory to RAM.
+ *
+ * \param lun   Logical Unit Number.
+ * \param addr  Address of first memory sector to read.
+ * \param ram   Pointer to RAM buffer to write.
+ *
+ * \return Status.
+ */
+extern Ctrl_status memory_2_ram(U8 lun, U32 addr, void *ram);
+
+/*! \brief Copies 1 data sector from RAM to the memory.
+ *
+ * \param lun   Logical Unit Number.
+ * \param addr  Address of first memory sector to write.
+ * \param ram   Pointer to RAM buffer to read.
+ *
+ * \return Status.
+ */
+extern Ctrl_status ram_2_memory(U8 lun, U32 addr, const void *ram);
+
+//! @}
+
+#endif  // ACCESS_MEM_TO_RAM == ENABLED
+
+
+#if ACCESS_STREAM == ENABLED
+
+/*! \name Streaming MEM <-> MEM Interface
+ */
+//! @{
+
+//! Erroneous streaming data transfer ID.
+#define ID_STREAM_ERR         0xFF
+
+  #if ACCESS_MEM_TO_MEM == ENABLED
+
+/*! \brief Copies data from one memory to another.
+ *
+ * \param src_lun   Source Logical Unit Number.
+ * \param src_addr  Source address of first memory sector to read.
+ * \param dest_lun  Destination Logical Unit Number.
+ * \param dest_addr Destination address of first memory sector to write.
+ * \param nb_sector Number of sectors to copy.
+ *
+ * \return Status.
+ */
+extern Ctrl_status stream_mem_to_mem(U8 src_lun, U32 src_addr, U8 dest_lun, U32 dest_addr, U16 nb_sector);
+
+  #endif  // ACCESS_MEM_TO_MEM == ENABLED
+
+/*! \brief Returns the state of a streaming data transfer.
+ *
+ * \param id  Transfer ID.
+ *
+ * \return Status.
+ *
+ * \todo Implement.
+ */
+extern Ctrl_status stream_state(U8 id);
+
+/*! \brief Stops a streaming data transfer.
+ *
+ * \param id  Transfer ID.
+ *
+ * \return Number of remaining sectors.
+ *
+ * \todo Implement.
+ */
+extern U16 stream_stop(U8 id);
+
+//! @}
+
+#endif  // ACCESS_STREAM == ENABLED
+
+
+#endif  // _CTRL_ACCESS_H_