Moving into firmwares directory.

1 files changed, 1117 insertions, 0 deletions

diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c
new file mode 100644
index 0000000..2eee15c
--- /dev/null
+++ b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c
@@ -0,0 +1,1117 @@
+/* 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 FLASHC driver for AVR32 UC3.
+ *
+ * AVR32 Flash Controller driver module.
+ *
+ * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32
+ * - Supported devices:  All AVR32 devices with a FLASHC module 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
+ *
+ */
+
+#include <avr32/io.h>
+#include <stddef.h>
+#include "compiler.h"
+#include "flashc.h"
+
+
+/*! \name FLASHC Writable Bit-Field Registers
+ */
+//! @{
+
+typedef union
+{
+  unsigned long                 fcr;
+  avr32_flashc_fcr_t            FCR;
+} u_avr32_flashc_fcr_t;
+
+typedef union
+{
+  unsigned long                 fcmd;
+  avr32_flashc_fcmd_t           FCMD;
+} u_avr32_flashc_fcmd_t;
+
+//! @}
+
+
+/*! \name Flash Properties
+ */
+//! @{
+
+
+unsigned int flashc_get_flash_size(void)
+{
+#if (defined AVR32_FLASHC_300_H_INCLUDED)
+  static const unsigned int FLASH_SIZE[1 << AVR32_FLASHC_PR_FSZ_SIZE] =
+  {
+      32 << 10,
+      64 << 10,
+     128 << 10,
+     256 << 10,
+     384 << 10,
+     512 << 10,
+     768 << 10,
+    1024 << 10
+  };
+  return FLASH_SIZE[(AVR32_FLASHC.pr & AVR32_FLASHC_PR_FSZ_MASK) >> AVR32_FLASHC_PR_FSZ_OFFSET];
+#else 
+  static const unsigned int FLASH_SIZE[1 << AVR32_FLASHC_FSR_FSZ_SIZE] =
+  {
+      32 << 10,
+      64 << 10,
+     128 << 10,
+     256 << 10,
+     384 << 10,
+     512 << 10,
+     768 << 10,
+    1024 << 10
+  };
+  return FLASH_SIZE[(AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_FSZ_MASK) >> AVR32_FLASHC_FSR_FSZ_OFFSET];
+#endif  
+}
+
+
+unsigned int flashc_get_page_count(void)
+{
+  return flashc_get_flash_size() / AVR32_FLASHC_PAGE_SIZE;
+}
+
+
+unsigned int flashc_get_page_count_per_region(void)
+{
+  return flashc_get_page_count() / AVR32_FLASHC_REGIONS;
+}
+
+
+unsigned int flashc_get_page_region(int page_number)
+{
+  return ((page_number >= 0) ? page_number : flashc_get_page_number()) / flashc_get_page_count_per_region();
+}
+
+
+unsigned int flashc_get_region_first_page_number(unsigned int region)
+{
+  return region * flashc_get_page_count_per_region();
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Control
+ */
+//! @{
+
+
+unsigned int flashc_get_wait_state(void)
+{
+  return (AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_FWS_MASK) >> AVR32_FLASHC_FCR_FWS_OFFSET;
+}
+
+
+void flashc_set_wait_state(unsigned int wait_state)
+{
+  u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+  u_avr32_flashc_fcr.FCR.fws = wait_state;
+  AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+Bool flashc_is_ready_int_enabled(void)
+{
+  return ((AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_FRDY_MASK) != 0);
+}
+
+
+void flashc_enable_ready_int(Bool enable)
+{
+  u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+  u_avr32_flashc_fcr.FCR.frdy = (enable != FALSE);
+  AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+Bool flashc_is_lock_error_int_enabled(void)
+{
+  return ((AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_LOCKE_MASK) != 0);
+}
+
+
+void flashc_enable_lock_error_int(Bool enable)
+{
+  u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+  u_avr32_flashc_fcr.FCR.locke = (enable != FALSE);
+  AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+Bool flashc_is_prog_error_int_enabled(void)
+{
+  return ((AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_PROGE_MASK) != 0);
+}
+
+
+void flashc_enable_prog_error_int(Bool enable)
+{
+  u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+  u_avr32_flashc_fcr.FCR.proge = (enable != FALSE);
+  AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Status
+ */
+//! @{
+
+
+Bool flashc_is_ready(void)
+{
+  return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_FRDY_MASK) != 0);
+}
+
+
+void flashc_default_wait_until_ready(void)
+{
+  while (!flashc_is_ready());
+}
+
+
+void (*volatile flashc_wait_until_ready)(void) = flashc_default_wait_until_ready;
+
+
+/*! \brief Gets the error status of the FLASHC.
+ *
+ * \return The error status of the FLASHC built up from
+ *         \c AVR32_FLASHC_FSR_LOCKE_MASK and \c AVR32_FLASHC_FSR_PROGE_MASK.
+ *
+ * \warning This hardware error status is cleared by all functions reading the
+ *          Flash Status Register (FSR). This function is therefore not part of
+ *          the driver's API which instead presents \ref flashc_is_lock_error
+ *          and \ref flashc_is_programming_error.
+ */
+static unsigned int flashc_get_error_status(void)
+{
+  return AVR32_FLASHC.fsr & (AVR32_FLASHC_FSR_LOCKE_MASK |
+                             AVR32_FLASHC_FSR_PROGE_MASK);
+}
+
+
+//! Sticky error status of the FLASHC.
+//! This variable is updated by functions that issue FLASHC commands. It
+//! contains the cumulated FLASHC error status of all the FLASHC commands issued
+//! by a function.
+static unsigned int flashc_error_status = 0;
+
+
+Bool flashc_is_lock_error(void)
+{
+  return ((flashc_error_status & AVR32_FLASHC_FSR_LOCKE_MASK) != 0);
+}
+
+
+Bool flashc_is_programming_error(void)
+{
+  return ((flashc_error_status & AVR32_FLASHC_FSR_PROGE_MASK) != 0);
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Command Control
+ */
+//! @{
+
+
+unsigned int flashc_get_command(void)
+{
+  return (AVR32_FLASHC.fcmd & AVR32_FLASHC_FCMD_CMD_MASK) >> AVR32_FLASHC_FCMD_CMD_OFFSET;
+}
+
+
+unsigned int flashc_get_page_number(void)
+{
+  return (AVR32_FLASHC.fcmd & AVR32_FLASHC_FCMD_PAGEN_MASK) >> AVR32_FLASHC_FCMD_PAGEN_OFFSET;
+}
+
+
+void flashc_issue_command(unsigned int command, int page_number)
+{
+  u_avr32_flashc_fcmd_t u_avr32_flashc_fcmd;
+  flashc_wait_until_ready();
+  u_avr32_flashc_fcmd.fcmd = AVR32_FLASHC.fcmd;
+  u_avr32_flashc_fcmd.FCMD.cmd = command;
+  if (page_number >= 0) u_avr32_flashc_fcmd.FCMD.pagen = page_number;
+  u_avr32_flashc_fcmd.FCMD.key = AVR32_FLASHC_FCMD_KEY_KEY;
+  AVR32_FLASHC.fcmd = u_avr32_flashc_fcmd.fcmd;
+  flashc_error_status = flashc_get_error_status();
+  flashc_wait_until_ready();
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Global Commands
+ */
+//! @{
+
+
+void flashc_no_operation(void)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_NOP, -1);
+}
+
+
+void flashc_erase_all(void)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EA, -1);
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Protection Mechanisms
+ */
+//! @{
+
+
+Bool flashc_is_security_bit_active(void)
+{
+  return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_SECURITY_MASK) != 0);
+}
+
+
+void flashc_activate_security_bit(void)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_SSB, -1);
+}
+
+
+unsigned int flashc_get_bootloader_protected_size(void)
+{
+  unsigned int bootprot = (1 << AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE) - 1 -
+                          flashc_read_gp_fuse_bitfield(AVR32_FLASHC_FGPFRLO_BOOTPROT_OFFSET,
+                                                       AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE);
+  return (bootprot) ? AVR32_FLASHC_PAGE_SIZE << bootprot : 0;
+}
+
+
+unsigned int flashc_set_bootloader_protected_size(unsigned int bootprot_size)
+{
+  flashc_set_gp_fuse_bitfield(AVR32_FLASHC_FGPFRLO_BOOTPROT_OFFSET,
+                              AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE,
+                              (1 << AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE) - 1 -
+                              ((bootprot_size) ?
+                               32 - clz((((min(max(bootprot_size, AVR32_FLASHC_PAGE_SIZE << 1),
+                                               AVR32_FLASHC_PAGE_SIZE <<
+                                               ((1 << AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE) - 1)) +
+                                           AVR32_FLASHC_PAGE_SIZE - 1) /
+                                          AVR32_FLASHC_PAGE_SIZE) << 1) - 1) - 1 :
+                               0));
+  return flashc_get_bootloader_protected_size();
+}
+
+
+Bool flashc_is_external_privileged_fetch_locked(void)
+{
+  return (!flashc_read_gp_fuse_bit(AVR32_FLASHC_FGPFRLO_EPFL_OFFSET));
+}
+
+
+void flashc_lock_external_privileged_fetch(Bool lock)
+{
+  flashc_set_gp_fuse_bit(AVR32_FLASHC_FGPFRLO_EPFL_OFFSET, !lock);
+}
+
+
+Bool flashc_is_page_region_locked(int page_number)
+{
+  return flashc_is_region_locked(flashc_get_page_region(page_number));
+}
+
+
+Bool flashc_is_region_locked(unsigned int region)
+{
+  return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_LOCK0_MASK << (region & (AVR32_FLASHC_REGIONS - 1))) != 0);
+}
+
+
+void flashc_lock_page_region(int page_number, Bool lock)
+{
+  flashc_issue_command((lock) ? AVR32_FLASHC_FCMD_CMD_LP : AVR32_FLASHC_FCMD_CMD_UP, page_number);
+}
+
+
+void flashc_lock_region(unsigned int region, Bool lock)
+{
+  flashc_lock_page_region(flashc_get_region_first_page_number(region), lock);
+}
+
+
+void flashc_lock_all_regions(Bool lock)
+{
+  unsigned int error_status = 0;
+  unsigned int region = AVR32_FLASHC_REGIONS;
+  while (region)
+  {
+    flashc_lock_region(--region, lock);
+    error_status |= flashc_error_status;
+  }
+  flashc_error_status = error_status;
+}
+
+
+//! @}
+
+
+/*! \name Access to General-Purpose Fuses
+ */
+//! @{
+
+
+Bool flashc_read_gp_fuse_bit(unsigned int gp_fuse_bit)
+{
+  return ((flashc_read_all_gp_fuses() & 1ULL << (gp_fuse_bit & 0x3F)) != 0);
+}
+
+
+U64 flashc_read_gp_fuse_bitfield(unsigned int pos, unsigned int width)
+{
+  return flashc_read_all_gp_fuses() >> (pos & 0x3F) & ((1ULL << min(width, 64)) - 1);
+}
+
+
+U8 flashc_read_gp_fuse_byte(unsigned int gp_fuse_byte)
+{
+  return flashc_read_all_gp_fuses() >> ((gp_fuse_byte & 0x07) << 3);
+}
+
+
+U64 flashc_read_all_gp_fuses(void)
+{
+  return AVR32_FLASHC.fgpfrlo | (U64)AVR32_FLASHC.fgpfrhi << 32;
+}
+
+
+Bool flashc_erase_gp_fuse_bit(unsigned int gp_fuse_bit, Bool check)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EGPB, gp_fuse_bit & 0x3F);
+  return (check) ? flashc_read_gp_fuse_bit(gp_fuse_bit) : TRUE;
+}
+
+
+Bool flashc_erase_gp_fuse_bitfield(unsigned int pos, unsigned int width, Bool check)
+{
+  unsigned int error_status = 0;
+  unsigned int gp_fuse_bit;
+  pos &= 0x3F;
+  width = min(width, 64);
+  for (gp_fuse_bit = pos; gp_fuse_bit < pos + width; gp_fuse_bit++)
+  {
+    flashc_erase_gp_fuse_bit(gp_fuse_bit, FALSE);
+    error_status |= flashc_error_status;
+  }
+  flashc_error_status = error_status;
+  return (check) ? (flashc_read_gp_fuse_bitfield(pos, width) == (1ULL << width) - 1) : TRUE;
+}
+
+
+Bool flashc_erase_gp_fuse_byte(unsigned int gp_fuse_byte, Bool check)
+{
+  unsigned int error_status;
+  unsigned int current_gp_fuse_byte;
+  U64 value = flashc_read_all_gp_fuses();
+  flashc_erase_all_gp_fuses(FALSE);
+  error_status = flashc_error_status;
+  for (current_gp_fuse_byte = 0; current_gp_fuse_byte < 8; current_gp_fuse_byte++, value >>= 8)
+  {
+    if (current_gp_fuse_byte != gp_fuse_byte)
+    {
+      flashc_write_gp_fuse_byte(current_gp_fuse_byte, value);
+      error_status |= flashc_error_status;
+    }
+  }
+  flashc_error_status = error_status;
+  return (check) ? (flashc_read_gp_fuse_byte(gp_fuse_byte) == 0xFF) : TRUE;
+}
+
+
+Bool flashc_erase_all_gp_fuses(Bool check)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EAGPF, -1);
+  return (check) ? (flashc_read_all_gp_fuses() == 0xFFFFFFFFFFFFFFFFULL) : TRUE;
+}
+
+
+void flashc_write_gp_fuse_bit(unsigned int gp_fuse_bit, Bool value)
+{
+  if (!value)
+    flashc_issue_command(AVR32_FLASHC_FCMD_CMD_WGPB, gp_fuse_bit & 0x3F);
+}
+
+
+void flashc_write_gp_fuse_bitfield(unsigned int pos, unsigned int width, U64 value)
+{
+  unsigned int error_status = 0;
+  unsigned int gp_fuse_bit;
+  pos &= 0x3F;
+  width = min(width, 64);
+  for (gp_fuse_bit = pos; gp_fuse_bit < pos + width; gp_fuse_bit++, value >>= 1)
+  {
+    flashc_write_gp_fuse_bit(gp_fuse_bit, value & 0x01);
+    error_status |= flashc_error_status;
+  }
+  flashc_error_status = error_status;
+}
+
+
+void flashc_write_gp_fuse_byte(unsigned int gp_fuse_byte, U8 value)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_PGPFB, (gp_fuse_byte & 0x07) | value << 3);
+}
+
+
+void flashc_write_all_gp_fuses(U64 value)
+{
+  unsigned int error_status = 0;
+  unsigned int gp_fuse_byte;
+  for (gp_fuse_byte = 0; gp_fuse_byte < 8; gp_fuse_byte++, value >>= 8)
+  {
+    flashc_write_gp_fuse_byte(gp_fuse_byte, value);
+    error_status |= flashc_error_status;
+  }
+  flashc_error_status = error_status;
+}
+
+
+void flashc_set_gp_fuse_bit(unsigned int gp_fuse_bit, Bool value)
+{
+  if (value)
+    flashc_erase_gp_fuse_bit(gp_fuse_bit, FALSE);
+  else
+    flashc_write_gp_fuse_bit(gp_fuse_bit, FALSE);
+}
+
+
+void flashc_set_gp_fuse_bitfield(unsigned int pos, unsigned int width, U64 value)
+{
+  unsigned int error_status = 0;
+  unsigned int gp_fuse_bit;
+  pos &= 0x3F;
+  width = min(width, 64);
+  for (gp_fuse_bit = pos; gp_fuse_bit < pos + width; gp_fuse_bit++, value >>= 1)
+  {
+    flashc_set_gp_fuse_bit(gp_fuse_bit, value & 0x01);
+    error_status |= flashc_error_status;
+  }
+  flashc_error_status = error_status;
+}
+
+
+void flashc_set_gp_fuse_byte(unsigned int gp_fuse_byte, U8 value)
+{
+  unsigned int error_status;
+  switch (value)
+  {
+  case 0xFF:
+    flashc_erase_gp_fuse_byte(gp_fuse_byte, FALSE);
+    break;
+  case 0x00:
+    flashc_write_gp_fuse_byte(gp_fuse_byte, 0x00);
+    break;
+  default:
+    flashc_erase_gp_fuse_byte(gp_fuse_byte, FALSE);
+    error_status = flashc_error_status;
+    flashc_write_gp_fuse_byte(gp_fuse_byte, value);
+    flashc_error_status |= error_status;
+  }
+}
+
+
+void flashc_set_all_gp_fuses(U64 value)
+{
+  unsigned int error_status;
+  switch (value)
+  {
+  case 0xFFFFFFFFFFFFFFFFULL:
+    flashc_erase_all_gp_fuses(FALSE);
+    break;
+  case 0x0000000000000000ULL:
+    flashc_write_all_gp_fuses(0x0000000000000000ULL);
+    break;
+  default:
+    flashc_erase_all_gp_fuses(FALSE);
+    error_status = flashc_error_status;
+    flashc_write_all_gp_fuses(value);
+    flashc_error_status |= error_status;
+  }
+}
+
+
+//! @}
+
+
+/*! \name Access to Flash Pages
+ */
+//! @{
+
+
+void flashc_clear_page_buffer(void)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_CPB, -1);
+}
+
+
+Bool flashc_is_page_erased(void)
+{
+  return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_QPRR_MASK) != 0);
+}
+
+
+Bool flashc_quick_page_read(int page_number)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_QPR, page_number);
+  return flashc_is_page_erased();
+}
+
+
+Bool flashc_erase_page(int page_number, Bool check)
+{
+  Bool page_erased = TRUE;
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EP, page_number);
+  if (check)
+  {
+    unsigned int error_status = flashc_error_status;
+    page_erased = flashc_quick_page_read(-1);
+    flashc_error_status |= error_status;
+  }
+  return page_erased;
+}
+
+
+Bool flashc_erase_all_pages(Bool check)
+{
+  Bool all_pages_erased = TRUE;
+  unsigned int error_status = 0;
+  unsigned int page_number = flashc_get_page_count();
+  while (page_number)
+  {
+    all_pages_erased &= flashc_erase_page(--page_number, check);
+    error_status |= flashc_error_status;
+  }
+  flashc_error_status = error_status;
+  return all_pages_erased;
+}
+
+
+void flashc_write_page(int page_number)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_WP, page_number);
+}
+
+
+Bool flashc_quick_user_page_read(void)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_QPRUP, -1);
+  return flashc_is_page_erased();
+}
+
+
+Bool flashc_erase_user_page(Bool check)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EUP, -1);
+  return (check) ? flashc_quick_user_page_read() : TRUE;
+}
+
+
+void flashc_write_user_page(void)
+{
+  flashc_issue_command(AVR32_FLASHC_FCMD_CMD_WUP, -1);
+}
+
+
+volatile void *flashc_memset8(volatile void *dst, U8 src, size_t nbytes, Bool erase)
+{
+  return flashc_memset16(dst, src | (U16)src << 8, nbytes, erase);
+}
+
+
+volatile void *flashc_memset16(volatile void *dst, U16 src, size_t nbytes, Bool erase)
+{
+  return flashc_memset32(dst, src | (U32)src << 16, nbytes, erase);
+}
+
+
+volatile void *flashc_memset32(volatile void *dst, U32 src, size_t nbytes, Bool erase)
+{
+  return flashc_memset64(dst, src | (U64)src << 32, nbytes, erase);
+}
+
+
+volatile void *flashc_memset64(volatile void *dst, U64 src, size_t nbytes, Bool erase)
+{
+  // Use aggregated pointers to have several alignments available for a same address.
+  UnionCVPtr flash_array_end;
+  UnionVPtr dest;
+  Union64 source = {0};
+  StructCVPtr dest_end;
+  UnionCVPtr flash_page_source_end;
+  Bool incomplete_flash_page_end;
+  Union64 flash_dword;
+  UnionVPtr tmp;
+  unsigned int error_status = 0;
+  unsigned int i;
+
+  // Reformat arguments.
+  flash_array_end.u8ptr = AVR32_FLASH + flashc_get_flash_size();
+  dest.u8ptr = dst;
+  for (i = (Get_align((U32)dest.u8ptr, sizeof(U64)) - 1) & (sizeof(U64) - 1);
+       src; i = (i - 1) & (sizeof(U64) - 1))
+  {
+    source.u8[i] = src;
+    src >>= 8;
+  }
+  dest_end.u8ptr = dest.u8ptr + nbytes;
+
+  // If destination is outside flash, go to next flash page if any.
+  if (dest.u8ptr < AVR32_FLASH)
+  {
+    dest.u8ptr = AVR32_FLASH;
+  }
+  else if (flash_array_end.u8ptr <= dest.u8ptr && dest.u8ptr < AVR32_FLASHC_USER_PAGE)
+  {
+    dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+  }
+
+  // If end of destination is outside flash, move it to the end of the previous flash page if any.
+  if (dest_end.u8ptr > AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE)
+  {
+    dest_end.u8ptr = AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE;
+  }
+  else if (AVR32_FLASHC_USER_PAGE >= dest_end.u8ptr && dest_end.u8ptr > flash_array_end.u8ptr)
+  {
+    dest_end.u8ptr = flash_array_end.u8ptr;
+  }
+
+  // Align each end of destination pointer with its natural boundary.
+  dest_end.u16ptr = (U16 *)Align_down((U32)dest_end.u8ptr, sizeof(U16));
+  dest_end.u32ptr = (U32 *)Align_down((U32)dest_end.u16ptr, sizeof(U32));
+  dest_end.u64ptr = (U64 *)Align_down((U32)dest_end.u32ptr, sizeof(U64));
+
+  // While end of destination is not reached...
+  while (dest.u8ptr < dest_end.u8ptr)
+  {
+    // Clear the page buffer in order to prepare data for a flash page write.
+    flashc_clear_page_buffer();
+    error_status |= flashc_error_status;
+
+    // Determine where the source data will end in the current flash page.
+    flash_page_source_end.u64ptr =
+      (U64 *)min((U32)dest_end.u64ptr,
+                 Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) + AVR32_FLASHC_PAGE_SIZE);
+
+    // Determine if the current destination page has an incomplete end.
+    incomplete_flash_page_end = (Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) >=
+                                 Align_down((U32)dest_end.u8ptr, AVR32_FLASHC_PAGE_SIZE));
+
+    // Use a flash double-word buffer to manage unaligned accesses.
+    flash_dword.u64 = source.u64;
+
+    // If destination does not point to the beginning of the current flash page...
+    if (!Test_align((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE))
+    {
+      // Fill the beginning of the page buffer with the current flash page data.
+      // This is required by the hardware, even if page erase is not requested,
+      // in order to be able to write successfully to erased parts of flash
+      // pages that have already been written to.
+      for (tmp.u8ptr = (U8 *)Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE);
+           tmp.u64ptr < (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+           tmp.u64ptr++)
+        *tmp.u64ptr = *tmp.u64ptr;
+
+      // If destination is not 64-bit aligned...
+      if (!Test_align((U32)dest.u8ptr, sizeof(U64)))
+      {
+        // Fill the beginning of the flash double-word buffer with the current
+        // flash page data.
+        // This is required by the hardware, even if page erase is not
+        // requested, in order to be able to write successfully to erased parts
+        // of flash pages that have already been written to.
+        for (i = 0; i < Get_align((U32)dest.u8ptr, sizeof(U64)); i++)
+          flash_dword.u8[i] = *tmp.u8ptr++;
+
+        // Align the destination pointer with its 64-bit boundary.
+        dest.u64ptr = (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+
+        // If the current destination double-word is not the last one...
+        if (dest.u64ptr < dest_end.u64ptr)
+        {
+          // Write the flash double-word buffer to the page buffer and reinitialize it.
+          *dest.u64ptr++ = flash_dword.u64;
+          flash_dword.u64 = source.u64;
+        }
+      }
+    }
+
+    // Write the source data to the page buffer with 64-bit alignment.
+    for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+      *dest.u64ptr++ = source.u64;
+
+    // If the current destination page has an incomplete end...
+    if (incomplete_flash_page_end)
+    {
+      // This is required by the hardware, even if page erase is not requested,
+      // in order to be able to write successfully to erased parts of flash
+      // pages that have already been written to.
+      {
+        tmp.u8ptr = (volatile U8 *)dest_end.u8ptr;
+
+        // If end of destination is not 64-bit aligned...
+        if (!Test_align((U32)dest_end.u8ptr, sizeof(U64)))
+        {
+          // Fill the end of the flash double-word buffer with the current flash page data.
+          for (i = Get_align((U32)dest_end.u8ptr, sizeof(U64)); i < sizeof(U64); i++)
+            flash_dword.u8[i] = *tmp.u8ptr++;
+
+          // Write the flash double-word buffer to the page buffer.
+          *dest.u64ptr++ = flash_dword.u64;
+        }
+
+        // Fill the end of the page buffer with the current flash page data.
+        for (; !Test_align((U32)tmp.u64ptr, AVR32_FLASHC_PAGE_SIZE); tmp.u64ptr++)
+          *tmp.u64ptr = *tmp.u64ptr;
+      }
+    }
+
+    // If the current flash page is in the flash array...
+    if (dest.u8ptr <= AVR32_FLASHC_USER_PAGE)
+    {
+      // Erase the current page if requested and write it from the page buffer.
+      if (erase)
+      {
+        flashc_erase_page(-1, FALSE);
+        error_status |= flashc_error_status;
+      }
+      flashc_write_page(-1);
+      error_status |= flashc_error_status;
+
+      // If the end of the flash array is reached, go to the User page.
+      if (dest.u8ptr >= flash_array_end.u8ptr)
+        dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+    }
+    // If the current flash page is the User page...
+    else
+    {
+      // Erase the User page if requested and write it from the page buffer.
+      if (erase)
+      {
+        flashc_erase_user_page(FALSE);
+        error_status |= flashc_error_status;
+      }
+      flashc_write_user_page();
+      error_status |= flashc_error_status;
+    }
+  }
+
+  // Update the FLASHC error status.
+  flashc_error_status = error_status;
+
+  // Return the initial destination pointer as the standard memset function does.
+  return dst;
+}
+
+
+volatile void *flashc_memcpy(volatile void *dst, const void *src, size_t nbytes, Bool erase)
+{
+  // Use aggregated pointers to have several alignments available for a same address.
+  UnionCVPtr flash_array_end;
+  UnionVPtr dest;
+  UnionCPtr source;
+  StructCVPtr dest_end;
+  UnionCVPtr flash_page_source_end;
+  Bool incomplete_flash_page_end;
+  Union64 flash_dword;
+  Bool flash_dword_pending = FALSE;
+  UnionVPtr tmp;
+  unsigned int error_status = 0;
+  unsigned int i, j;
+
+  // Reformat arguments.
+  flash_array_end.u8ptr = AVR32_FLASH + flashc_get_flash_size();
+  dest.u8ptr = dst;
+  source.u8ptr = src;
+  dest_end.u8ptr = dest.u8ptr + nbytes;
+
+  // If destination is outside flash, go to next flash page if any.
+  if (dest.u8ptr < AVR32_FLASH)
+  {
+    source.u8ptr += AVR32_FLASH - dest.u8ptr;
+    dest.u8ptr = AVR32_FLASH;
+  }
+  else if (flash_array_end.u8ptr <= dest.u8ptr && dest.u8ptr < AVR32_FLASHC_USER_PAGE)
+  {
+    source.u8ptr += AVR32_FLASHC_USER_PAGE - dest.u8ptr;
+    dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+  }
+
+  // If end of destination is outside flash, move it to the end of the previous flash page if any.
+  if (dest_end.u8ptr > AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE)
+  {
+    dest_end.u8ptr = AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE;
+  }
+  else if (AVR32_FLASHC_USER_PAGE >= dest_end.u8ptr && dest_end.u8ptr > flash_array_end.u8ptr)
+  {
+    dest_end.u8ptr = flash_array_end.u8ptr;
+  }
+
+  // Align each end of destination pointer with its natural boundary.
+  dest_end.u16ptr = (U16 *)Align_down((U32)dest_end.u8ptr, sizeof(U16));
+  dest_end.u32ptr = (U32 *)Align_down((U32)dest_end.u16ptr, sizeof(U32));
+  dest_end.u64ptr = (U64 *)Align_down((U32)dest_end.u32ptr, sizeof(U64));
+
+  // While end of destination is not reached...
+  while (dest.u8ptr < dest_end.u8ptr)
+  {
+    // Clear the page buffer in order to prepare data for a flash page write.
+    flashc_clear_page_buffer();
+    error_status |= flashc_error_status;
+
+    // Determine where the source data will end in the current flash page.
+    flash_page_source_end.u64ptr =
+      (U64 *)min((U32)dest_end.u64ptr,
+                 Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) + AVR32_FLASHC_PAGE_SIZE);
+
+    // Determine if the current destination page has an incomplete end.
+    incomplete_flash_page_end = (Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) >=
+                                 Align_down((U32)dest_end.u8ptr, AVR32_FLASHC_PAGE_SIZE));
+
+    // If destination does not point to the beginning of the current flash page...
+    if (!Test_align((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE))
+    {
+      // Fill the beginning of the page buffer with the current flash page data.
+      // This is required by the hardware, even if page erase is not requested,
+      // in order to be able to write successfully to erased parts of flash
+      // pages that have already been written to.
+      for (tmp.u8ptr = (U8 *)Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE);
+           tmp.u64ptr < (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+           tmp.u64ptr++)
+        *tmp.u64ptr = *tmp.u64ptr;
+
+      // If destination is not 64-bit aligned...
+      if (!Test_align((U32)dest.u8ptr, sizeof(U64)))
+      {
+        // Fill the beginning of the flash double-word buffer with the current
+        // flash page data.
+        // This is required by the hardware, even if page erase is not
+        // requested, in order to be able to write successfully to erased parts
+        // of flash pages that have already been written to.
+        for (i = 0; i < Get_align((U32)dest.u8ptr, sizeof(U64)); i++)
+          flash_dword.u8[i] = *tmp.u8ptr++;
+
+        // Fill the end of the flash double-word buffer with the source data.
+        for (; i < sizeof(U64); i++)
+          flash_dword.u8[i] = *source.u8ptr++;
+
+        // Align the destination pointer with its 64-bit boundary.
+        dest.u64ptr = (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+
+        // If the current destination double-word is not the last one...
+        if (dest.u64ptr < dest_end.u64ptr)
+        {
+          // Write the flash double-word buffer to the page buffer.
+          *dest.u64ptr++ = flash_dword.u64;
+        }
+        // If the current destination double-word is the last one, the flash
+        // double-word buffer must be kept for later.
+        else flash_dword_pending = TRUE;
+      }
+    }
+
+    // Read the source data with the maximal possible alignment and write it to
+    // the page buffer with 64-bit alignment.
+    switch (Get_align((U32)source.u8ptr, sizeof(U32)))
+    {
+    case 0:
+      for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+        *dest.u64ptr++ = *source.u64ptr++;
+      break;
+
+    case sizeof(U16):
+      for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+      {
+        for (j = 0; j < sizeof(U64) / sizeof(U16); j++) flash_dword.u16[j] = *source.u16ptr++;
+        *dest.u64ptr++ = flash_dword.u64;
+      }
+      break;
+
+    default:
+      for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+      {
+        for (j = 0; j < sizeof(U64); j++) flash_dword.u8[j] = *source.u8ptr++;
+        *dest.u64ptr++ = flash_dword.u64;
+      }
+    }
+
+    // If the current destination page has an incomplete end...
+    if (incomplete_flash_page_end)
+    {
+      // If the flash double-word buffer is in use, do not initialize it.
+      if (flash_dword_pending) i = Get_align((U32)dest_end.u8ptr, sizeof(U64));
+      // If the flash double-word buffer is free...
+      else
+      {
+        // Fill the beginning of the flash double-word buffer with the source data.
+        for (i = 0; i < Get_align((U32)dest_end.u8ptr, sizeof(U64)); i++)
+          flash_dword.u8[i] = *source.u8ptr++;
+      }
+
+      // This is required by the hardware, even if page erase is not requested,
+      // in order to be able to write successfully to erased parts of flash
+      // pages that have already been written to.
+      {
+        tmp.u8ptr = (volatile U8 *)dest_end.u8ptr;
+
+        // If end of destination is not 64-bit aligned...
+        if (!Test_align((U32)dest_end.u8ptr, sizeof(U64)))
+        {
+          // Fill the end of the flash double-word buffer with the current flash page data.
+          for (; i < sizeof(U64); i++)
+            flash_dword.u8[i] = *tmp.u8ptr++;
+
+          // Write the flash double-word buffer to the page buffer.
+          *dest.u64ptr++ = flash_dword.u64;
+        }
+
+        // Fill the end of the page buffer with the current flash page data.
+        for (; !Test_align((U32)tmp.u64ptr, AVR32_FLASHC_PAGE_SIZE); tmp.u64ptr++)
+          *tmp.u64ptr = *tmp.u64ptr;
+      }
+    }
+
+    // If the current flash page is in the flash array...
+    if (dest.u8ptr <= AVR32_FLASHC_USER_PAGE)
+    {
+      // Erase the current page if requested and write it from the page buffer.
+      if (erase)
+      {
+        flashc_erase_page(-1, FALSE);
+        error_status |= flashc_error_status;
+      }
+      flashc_write_page(-1);
+      error_status |= flashc_error_status;
+
+      // If the end of the flash array is reached, go to the User page.
+      if (dest.u8ptr >= flash_array_end.u8ptr)
+      {
+        source.u8ptr += AVR32_FLASHC_USER_PAGE - dest.u8ptr;
+        dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+      }
+    }
+    // If the current flash page is the User page...
+    else
+    {
+      // Erase the User page if requested and write it from the page buffer.
+      if (erase)
+      {
+        flashc_erase_user_page(FALSE);
+        error_status |= flashc_error_status;
+      }
+      flashc_write_user_page();
+      error_status |= flashc_error_status;
+    }
+  }
+
+  // Update the FLASHC error status.
+  flashc_error_status = error_status;
+
+  // Return the initial destination pointer as the standard memcpy function does.
+  return dst;
+}
+
+
+#if UC3C
+void flashc_set_flash_waitstate_and_readmode(unsigned long cpu_f_hz)
+{
+  //! Device-specific data
+  #undef AVR32_FLASHC_FWS_0_MAX_FREQ
+  #undef AVR32_FLASHC_FWS_1_MAX_FREQ
+  #undef AVR32_FLASHC_HSEN_FWS_0_MAX_FREQ
+  #undef AVR32_FLASHC_HSEN_FWS_1_MAX_FREQ
+  #define AVR32_FLASHC_FWS_0_MAX_FREQ           33000000
+  #define AVR32_FLASHC_FWS_1_MAX_FREQ           66000000
+  #define AVR32_FLASHC_HSEN_FWS_0_MAX_FREQ      33000000
+  #define AVR32_FLASHC_HSEN_FWS_1_MAX_FREQ      72000000
+  // These defines are missing from or wrong in the toolchain header files uc3cxxx.h
+  // Put a Bugzilla 
+
+  if(cpu_f_hz > AVR32_FLASHC_HSEN_FWS_0_MAX_FREQ)    // > 33MHz
+  {
+    // Set a wait-state
+    flashc_set_wait_state(1);
+    if(cpu_f_hz <= AVR32_FLASHC_FWS_1_MAX_FREQ) // <= 66MHz and >33Mhz
+    {
+      // Disable the high-speed read mode.      
+      flashc_issue_command(AVR32_FLASHC_FCMD_CMD_HSDIS, -1);
+    }
+    else // > 66Mhz
+    {
+      // Enable the high-speed read mode.
+      flashc_issue_command(AVR32_FLASHC_FCMD_CMD_HSEN, -1);                     
+    }
+  }
+  else  // <= 33 MHz    
+  {
+    // Disable wait-state
+    flashc_set_wait_state(0);
+
+    // Disable the high-speed read mode.
+    flashc_issue_command(AVR32_FLASHC_FCMD_CMD_HSDIS, -1);
+    
+  }
+}
+#endif // UC3C device-specific implementation
+
+//! @}